更正:围产期食源性二氧化钛暴露介导的菌群失调使小鼠终生易患结肠炎

IF 7.2 1区 医学 Q1 TOXICOLOGY
Caroline Carlé, Delphine Boucher, Luisa Morelli, Camille Larue, Ekaterina Ovtchinnikova, Louise Battut, Kawthar Boumessid, Melvin Airaud, Muriel Quaranta-Nicaise, Jean-Luc Ravanat, Gilles Dietrich, Sandrine Menard, Gérard Eberl, Nicolas Barnich, Emmanuel Mas, Marie Carriere, Ziad Al Nabhani, Frédérick Barreau
{"title":"更正:围产期食源性二氧化钛暴露介导的菌群失调使小鼠终生易患结肠炎","authors":"Caroline Carlé, Delphine Boucher, Luisa Morelli, Camille Larue, Ekaterina Ovtchinnikova, Louise Battut, Kawthar Boumessid, Melvin Airaud, Muriel Quaranta-Nicaise, Jean-Luc Ravanat, Gilles Dietrich, Sandrine Menard, Gérard Eberl, Nicolas Barnich, Emmanuel Mas, Marie Carriere, Ziad Al Nabhani, Frédérick Barreau","doi":"10.1186/s12989-024-00570-0","DOIUrl":null,"url":null,"abstract":"<p><b>Correction: Particle and Fibre Toxicology (2023) 20:45</b><b>https://doi.org/10.1186/s12989-023-00555-5</b></p><p>Following publication of the original article [1], the authors reported some spelling and bibliograph errors. Below is a table of corrections which have been implemented in the original article.</p><p>The original article [1] has been corrected.</p><table><thead><tr><th><p>Section</p></th><th><p>Originally published text</p></th><th><p>Corrected text</p></th></tr></thead><tbody><tr><td><p>Abstract</p></td><td><p>Perinatal exposure to titanium dioxide (TiO<sub>2</sub>), as a foodborne particle, may influence the intestinal barrier function and the susceptibility to develop inflammatory bowel disease (IBD) later in life</p></td><td><p>Perinatal exposure to titanium dioxide (TiO<sub>2</sub>), as a foodborne particle, may influence the intestinal barrier function and the susceptibility to develop inflammatory bowel diseases (IBD) later in life</p></td></tr><tr><td><p>Background</p></td><td><p>A significant number of human chronic diseases (inflammatory, metabolic …) is linked to a deficiency of the IBF and some of them, like IBD, exhibit alterations of the four IBF’s compartments [8, 9]</p></td><td><p>significant number of human chronic diseases (inflammatory, metabolic …) is linked to a deficiency of the IBF and some of them, like IBD, exhibit alterations of the three IBF’s compartments [8, 9]</p></td></tr><tr><td> </td><td><p>To evaluate this hypothesis, we exposed pregnant female C57BL/6 mice to 9 mg E171/kg b.w./day via their drinking water,from the beginning of gestation until 3 weeks postdelivery</p></td><td><p>To evaluate this hypothesis, we exposed pregnant female C57BL/6 mice to 9 mg E171/kg b.w./day via their drinking water, from the beginning of gestation until 4 weeks postdelivery</p></td></tr><tr><td> </td><td><p>This exposure concentration is in the lower range of the estimated daily exposure of human adults, which ranges between 5.5 and 10.4 mg/kg b.w./day according to EFSA’s estimations [ref 35]</p></td><td><p>This exposure concentration is in the lower range of the estimated daily exposure of human adults, which ranges between 5.5 and 10.4 mg/kg b.w./day according to EFSA’s estimations [29]</p></td></tr><tr><td> </td><td><p>When considering the guidances on dose conversion between human and animal exposure, such as the Nair and Jacob practice guide or FDA’s guidelines, we previously estimated that doses up to 50–60 mg/kg b.w./day in mice would be realistic [ref notre revue PFT] confirming that the dose used in the present study can be considered as a low exposure dose</p></td><td><p>When considering the guidances on dose conversion between human and animal exposure, such as the Nair and Jacob practice guide or FDA’s guidelines, we previously estimated that doses up to 50–60 mg/kg b.w./day in mice would be realistic [14] confirming that the dose used in the present study can be considered as a low exposure dose</p></td></tr><tr><td><p>Results</p></td><td><p><b>Figure 1</b> Abilities of foodborne TiO<sub>2</sub> to translocate across the human barriers. A–G Wild type female mice have been exposed to TiO<sub>2</sub> (9 mg/BW/Day)</p></td><td><p><b>Figure 1</b> Abilities of foodborne TiO<sub>2</sub> to translocate across the human barriers. A–G Wild type female mice have been exposed to TiO<sub>2</sub> (9 mg/Kg ofBW/Day)</p></td></tr><tr><td> </td><td><p>Since gut microbiota is described to modulate the intestinal epithelium homeostasis [29, 30], we investigated if perinatal exposure to foodborne TiO<sub>2</sub></p></td><td><p>Since gut microbiota is described to modulate the intestinal epithelium homeostasis [30, 31], we investigated if perinatal exposure to foodborne TiO<sub>2</sub></p></td></tr><tr><td> </td><td><p>In addition, the expression of myosin light chain kinase (<i>Mylk</i>), a master regulator of the tight junction opening [31], was increased by perinatal exposure</p></td><td><p>In addition, the expression of myosin light chain kinase (<i>Mylk</i>), a master regulator of the tight junction opening [32], was increased by perinatal exposure</p></td></tr><tr><td> </td><td><p><b>Figure 2</b> Impact of perinatal exposure to foodborne TiO<sub>2</sub> on colonic microbiota at days 30. A<b>-E</b> Wild type female mice have been exposed to TiO<sub>2</sub> (9 mg/BW/Day) during the perinatal period including gestational and lactating periods. Then at days 30 after birth, pups have been sacrificed and the structure of the colonic mucosa‑associated microbiota has been monitored by 16S rRNA gene sequencing (B<b>-E</b>)</p><p>C-E Composition of colonic microbiota at phyla level (C) and Fold changes 2 for bacterial genera significantly perturbed (D and E) from exposed or non‑exposed mice to foodborne TiO<sub>2</sub> at day 30 after birth</p></td><td><p><b>Figure 2</b> Impact of perinatal exposure to foodborne TiO<sub>2</sub> on colonic microbiota at day 30. A<b>-D</b> Wild type female mice have been exposed to TiO<sub>2</sub> (9 mg/Kg of BW/Day) during the perinatal period including gestational and lactating periods. Then at day 30 after birth, pups have been sacrificed and the structure of the colonic mucosa‑associated microbiota has been monitored by 16S rRNA gene sequencing (B<b>-D</b>)</p><p>C-D Composition of colonic microbiota at phyla level (C) and Fold changes 2 for bacterial genera significantly perturbed (D) from exposed or non‑exposed mice to foodborne TiV at day 30 after birth</p></td></tr><tr><td> </td><td><p>At days 50 after birth, TiO<sub>2</sub> exposure only increased the level of <i>Muc2</i> (Additional file 5: Fig.S5A, B)</p></td><td><p>At days 50 after birth, TiO<sub>2</sub> exposure only increased the level of <i>Muc2</i> (Additional file 5: Fig. S5A-C)</p></td></tr><tr><td> </td><td><p>At days 50 after birth, TiO<sub>2</sub> exposure only increased the level of Muc2 (Additional file 5: Fig. S5A, E)</p></td><td><p>At days 50 after birth, TiO<sub>2</sub> exposure only increased the level of Muc2 (Additional file 5: Fig. S5A)</p></td></tr><tr><td> </td><td><p>Since perinatal exposure to TiO<sub>2</sub> altered the func-tionality of the colonic epithelium, we then monitored its effects on the intestinal epithelial stem cells (IESC) homeostasis (Fig. 3D–F; Additional file 5: Fig. S3D–F)</p></td><td><p>Since perinatal exposure to TiO<sub>2</sub> altered the func-tionality of the colonic epithelium, we then monitored its effects on the intestinal epithelial stem cells (IESC) homeostasis (Fig. 4D–F; Additional file 5: Fig. S4D–F)</p></td></tr><tr><td> </td><td><p>At day 50, mice exposed to TiO<sub>2</sub> had an increased mRNA levels of colonic CD44, Leucine-rich repeat-containing</p><p>G-protein coupled receptor 5 (<i>Lgr5</i>), Achaete-scute complex homolog 2 (<i>Ascl2</i>) and Musashi RNA-binding protein 1 (<i>Musashi</i>), three markers of CBC, Telomerase reverse transcriptase (<i>Tert</i>) and Homeodomain-only protein X (<i>Hopx</i>), two markers of + 4 stem cells and the marker of non-canonical wnt pathway (wnt5, involved in inflammatory pathway) (Additional file 3: Fig. S3D) but</p></td><td><p>At day 50, mice exposed to TiO<sub>2</sub> had an increased mRNA levels of colonic CD44, Leucine-rich repeat-containing</p><p>G-protein coupled receptor 5 (<i>Lgr5</i>), Achaete-scute complex homolog 2 (<i>Ascl2</i>) and Musashi RNA-binding protein 1 (<i>Musashi</i>), three markers of CBC, Telomerase reverse transcriptase (<i>Tert</i>) and Homeodomain-only protein X (<i>Hopx</i>), two markers of + 4 stem cells and the marker of non-canonical wnt pathway (wnt5, involved in inflammatory pathway) (Additional file 4: Fig. S4D) but</p></td></tr><tr><td> </td><td><p><b>Figure 3</b> Impact of perinatal exposure to foodborne TiO<sub>2</sub> on colonic epithelium at day 30. A–D Wild type female mice have been exposed to TiO<sub>2</sub> (9 mg/BW/Day)</p></td><td><p><b>Figure 3</b> Impact of perinatal exposure to foodborne TiO<sub>2</sub> on colonic epithelium at day 30. A–D Wild type female mice have been exposed to TiO<sub>2</sub> (9 mg/Kg of BW/Day)</p></td></tr><tr><td> </td><td><p>We observed a significant reduction of organoid growth at day 9 post-organoid culture obtained from TiO<sub>2</sub>-exposed mice compared to control at day 30 (Fig. 3E) but the survival of colonic organoids was similar between both TiO<sub>2</sub>-treated and untreated group (Fig. 3F)</p></td><td><p>We observed a significant reduction of organoid growth at day 9 post-organoid culture obtained from TiO<sub>2</sub>-exposed mice compared to control at day 30 (Fig. 3F) but the survival of colonic organoids was similar between both TiO<sub>2</sub>-treated and untreated group (Fig. 3E)</p></td></tr><tr><td> </td><td><p>Finally, since oxidative stress and/or DNA meth-ylation are well known to regulate gene expression, we monitored the impact of exposure to TiO<sub>2</sub> on the oxida-tive balance as well as DNA methylation of the colonic epithelium (Fig. 3G, H; Additional file 4: Fig. S4H)</p></td><td><p>Finally, since oxidative stress and/or DNA meth-ylation are well known to regulate gene expression, we monitored the impact of exposure to TiO<sub>2</sub> on the oxida-tive balance as well as DNA methylation of the colonic epithelium (Fig. 3G, H; Additional file 4: Fig. S4G)</p></td></tr><tr><td> </td><td><p>In this objective, we used 8-oxo-dGuo as a biomarker of DNA oxidation, this lesion being also considered as a marker of oxidative stress [32] and being quantifiable with a high sensitivity using methods such as HPLC-tandem mass spectrometry [33]</p></td><td><p>In this objective, we used 8-oxo-dGuo as a biomarker of DNA oxidation, this lesion being also considered as a marker of oxidative stress [33] and being quantifiable with a high sensitivity using methods such as HPLC-tandem mass spectrometry [34]</p></td></tr><tr><td> </td><td><p>As a DNA methylation biomarker, we quantified 5-methyl-2′-deoxycitidine, i.e., 5-Me-dC, as it is the predominant methylation site in mammalian genomes and it shows the highest biological significance as it modulates the binding of transcription factors to DNA [34, 35]</p></td><td><p>As a DNA methylation biomarker, we quantified 5-methyl-2′-deoxycitidine, i.e., 5-Me-dC, as it is the predominant methylation site in mammalian genomes and it shows the highest biological significance as it modulates the binding of transcription factors to DNA [29, 35]</p></td></tr><tr><td> </td><td><p><b>Figure 4</b> Impact of perinatal exposure to TiO<sub>2</sub> foodborne on intestinal immune system. A<b>–E</b> Wild type female mice have been exposed to TiO<sub>2</sub>O<sub>2</sub> (9 mg/BW/Day) during</p></td><td><p><b>Figure 4</b> Impact of perinatal exposure to TiO<sub>2</sub> foodborne on intestinal immune system. A<b>–D</b> Wild type female mice have been exposed to TiO<sub>2</sub> (9 mg/Kg of BW/Day) during</p></td></tr><tr><td> </td><td><p>In contrast to those observed in colon of young mice, perinatal exposure to TiO<sub>2</sub> did not affect the mRNA level of <i>Il23</i> while it increased the expression of <i>Il1b</i>, <i>Il6</i>, <i>Il10</i>, <i>Il22 and Tnfa</i> (Additional file 6: Fig. S6C)</p></td><td><p>In contrast to those observed in colon of young mice, perinatal exposure to TiO<sub>2</sub> did not affect the mRNA level of <i>Il23</i> at day 50 while it increased the expression of <i>Il1b</i>, <i>Il6</i>, <i>Il10</i>, <i>Il22, Tnfa and Ifng</i> (Additional file 6: Fig. S6C)</p></td></tr><tr><td> </td><td><p>However, at protein level, perinatal exposure to TiO<sub>2</sub> increased the colonic cytokines expression of Tnfα, Ifnγ, IL-12 and IL-1β (Fig. 4A)</p></td><td><p>However, at protein level, perinatal exposure to TiO<sub>2</sub> increased the colonic cytokines expression of Tnfα, Ifnγ, IL-12 and IL-1β (Fig. 4A) at day 30</p></td></tr><tr><td> </td><td><p>Regarding colonic immune cell populations, flow cytometry experiments on the lamina propria from colon of mice (day 50) evidenced that perinatal exposure to TiO<sub>2</sub> increased the percentage of myeloid cells (CD11<sup>+</sup>),</p></td><td><p>Regarding colonic immune cell populations, flow cytometry experiments on the lamina propria from colon of mice (day 50) evidenced that perinatal exposure to TiO<sub>2</sub> increased the percentage of myeloid cells (CD11b<sup>+</sup>),</p></td></tr><tr><td> </td><td><p>Finally, the reduced percentage of B cells in the lamina propria was associated with reduced faecal levels of IgA, but not IgG at both days 30 and 50 after birth (Fig. 4D; Additional file 5: Fig. S5D)</p></td><td><p>Finally, the reduced percentage of B cells in the lamina propria was associated with reduced faecal levels of IgA, but not IgG at both days 30 and 50 after birth (Fig. 4B–D; Additional file 5: Fig. S5D)</p></td></tr><tr><td> </td><td><p>Since gut microbiota dysbiosis has been shown to alter the gut homeostasis [7, 29, 38],</p></td><td><p>Since gut microbiota dysbiosis has been shown to alter the gut homeostasis [7, 30, 38],</p></td></tr><tr><td> </td><td><p>Six weeks after microbiota transfer, permeability and mRNA levels of <i>Occludin</i>, <i>Tpj1</i>, <i>Tpj2</i> and <i>Mylk</i> as well as <i>Il1b</i>, <i>Il12</i>,</p><p><i>Tnfa</i> and <i>Ifng</i> were assessed (Fig. 5B, C). As</p></td><td><p>Six weeks after microbiota transfer, permeability and mRNA levels of <i>Occludin</i>, <i>Tpj1</i>, <i>Tpj2</i> and <i>Mylk</i> as well as <i>Il1b</i>, <i>Il12</i>, <i>Tnfa</i> and <i>Ifng</i> were assessed (Fig. 5B–D). As</p></td></tr><tr><td> </td><td><p>As illustrated in Fig. 5B, the transfer of T iO<sub>2</sub>-triggered microbiota dysbiosis to healthy germ-free mice led to significantly increased paracellular intestinal permeability (Fig. 5B),</p><p>increased mRNA level of <i>Mylk</i>, and reduced mRNA level of <i>Tjp1</i> and Tjp2 (Fig. 5C)</p></td><td><p>As illustrated in Fig. 5B, the transfer of T iO<sub>2</sub>-triggered microbiota dysbiosis to healthy germ-free mice led to significantly increased paracellular intestinal permeability (Fig. 5B),</p><p>increased mRNA level of <i>Mylk</i>, and reduced mRNA level of <i>Tjp1</i> and Tjp2 (Fig. 5C) in offspring at day 30</p></td></tr><tr><td> </td><td><p>We observed that alteration of homeostasis of the colonic mucosa related to early life exposure to TiO<sub>2</sub>O<sub>2</sub> did not persist until adult 17 weeks of age as monitored for permeability, cytokine and other inflammatory markers i. e. in the group unchallenged for DSS mice exposed to TiO<sub>2</sub> superpose with mice unexposed (Fig. 6; Additional file 7: Fig. S7A)</p></td><td><p>We observed that alteration of homeostasis of the colonic mucosa related to early life exposure to TiO<sub>2</sub> did not persist until adult 17 weeks of age as monitored for permeability, cytokine and other inflammatory markers i. e. in the group unchallenged for DSS mice exposed to TiO<sub>2</sub> superpose with mice unexposed (Fig. 6; Additional file 7: Fig. S7)</p></td></tr><tr><td> </td><td><p>However, as illustrated in Fig. 6B–H, perinatal exposure to TiO<sub>2</sub> enhanced significantly the loss of body weight and the DAI induced by DSS</p></td><td><p>However, as illustrated in Fig. 6B–G, perinatal exposure to TiO<sub>2</sub> enhanced significantly the loss of body weight and the DAI induced by DSS. Perinatal</p></td></tr><tr><td> </td><td><p>Figure 6 Impact of perinatal exposure to foodborne TiO<sub>2</sub> on susceptibility to develop colitis later in life. A–G Wild type female mice have been exposed to TiO<sub>2</sub> (9 mg/BW/Day) during the perinatal period including gestational and lactating periods (A)</p></td><td><p>Figure 6 Impact of perinatal exposure to foodborne TiO<sub>2</sub> on susceptibility to develop colitis later in life. A–G Wild type female mice have been exposed to TiO<sub>2</sub> (9 mg/Kg of BW/Day) during the perinatal period including gestational and lactating periods (A)</p></td></tr><tr><td> </td><td><p>Perinatal exposure to TiO<sub>2</sub> also exacerbated the colitis, as evidenced by a reduced colon length associated with increased colonic mRNA expression and protein levels of IL-1β, IL-4, IL-12, IL-13, IFNγ and TNF-α (Additional file 6: Fig. S6A and additional File 7: FigS7E)</p></td><td><p>Perinatal exposure to TiO<sub>2</sub> also exacerbated the colitis, as evidenced by a reduced colon length associated with increased colonic mRNA expression and protein levels of IL-1β, IL-4, IL-12, IL-13, IFNγ and TNF-α (Additional file 7: Fig. S7)</p></td></tr><tr><td> </td><td><p>Perinatal exposure to TiO<sub>2</sub> also aggravated significantly the alterations of intestinal permeability, as evidenced by an increased Dextran-FITC flux, mRNA expression of MLCK and a reduced mRNA level of Tjp1 (Fig. 6G)</p></td><td><p>Perinatal exposure to TiO<sub>2</sub> also aggravated significantly the alterations of intestinal permeability, as evidenced by an increased 4 kDa Dextran-FITC flux, mRNA expression of MLCK and a reduced mRNA level of Tjp1 (Fig. 6G)</p></td></tr><tr><td> </td><td><p>In contrast, at the 17th week of life, there was no longer any signifi-cant difference in terms of permeability, cytokine or other inflammatory markers i. e. in the group unchallenged for DSS mice exposed to TiO<sub>2</sub> superpose with mice unex-posed (Fig. 7D–H)</p></td><td><p>In contrast, at the 17th week of life, there was no longer any signifi-cant difference in terms of permeability, cytokine or other inflammatory markers i. e. in the group unchallenged for DSS mice exposed to TiO<sub>2</sub> superpose with mice unex-posed (Fig. 7E–G)</p></td></tr><tr><td> </td><td><p>The colitis was exacerbated in these animals, as evidenced by a reduced colon length associated with increased colonic mRNA expression and protein levels of IL-1β, IL-4, IL-12, IL-13, IFNγ and TNF-α (Additional file 8: Fig. S8 A and Additional file 7: Fig. S7E)</p></td><td><p>The colitis was exacerbated in these animals, as evidenced by a reduced colon length associated with increased colonic mRNA expression and protein levels of IL-1β, IL-4, IL-12, IL-13, IFNγ and TNF-α (Additional file 8: Fig. S8 and file 7: Fig. 7E)</p></td></tr><tr><td><p>Discussion</p></td><td><p>In this study, authors evidenced that foodborne TiO<sub>2</sub> parti-cles were able to cross the cotyledon of human placenta while no data are available concerning their potential in vivo passage [42] Moreover, the presence of Ti in the meconium do not indicate if its passage underwent dur-ing gestation and/or the beginning of suckling</p></td><td><p>In this study, authors evidenced that foodborne TiO<sub>2</sub> parti-cles were able to cross the cotyledon of human placenta while no data are available concerning their potential in vivo passage [42]. Moreover, the presence of Ti in the meconium does not indicate if its passage underwent dur-ing gestation and/or the beginning of suckling</p></td></tr><tr><td> </td><td><p>This bacteria, which resides in the intestinal mucus layer har-bors some virulence traits (type VI secretion system and putative effector proteins) [43], which can trigger CD-like disease in the presence of impaired clearance of the bac-terium by innate immunity [44]</p></td><td><p>This bacteria, which resides in the intestinal mucus layer har-bors some virulence traits (type VI secretion system and putative effector proteins) [43], which can trigger IBD-like disease in the presence of impaired clearance of the bac-terium by innate immunity [44]</p></td></tr><tr><td> </td><td><p>The deleterious impact of this microbiota dysbiosis is consistent with other microbiota dysbiosis described to affect the intestinal homeostasis then favouring the development of both inflammation and cancer [29, 47, 48]</p></td><td><p>The deleterious impact of this microbiota dysbiosis is consistent with other microbiota dysbiosis described to affect the intestinal homeostasis then favouring the development of both inflammation and cancer [30, 47, 48]</p></td></tr><tr><td> </td><td><p>hese altered mRNA expressions are probably induced and/or linked to the inflammatory context (increased levels of Tnfα, Ifnγ, IL-12 and IL-1β) of the intestinal epithelium perina-tally exposed to TiO<sub>2</sub></p></td><td><p>hese altered mRNA expressions are probably induced and/or linked to the inflammatory context (increased levels of Tnfα, Ifnγ, IL-12 and IL-1β) of the intestinal epithelium perina-tally exposed to TiO<sub>2</sub></p></td></tr><tr><td> </td><td><p>Nevertheless, a recent study has reported that microbiota was able to modulate the epigenic marks on DNA [57]</p></td><td><p>Nevertheless, a recent study has reported that microbiota was able to modulate the epigenetic marks on DNA [57]</p></td></tr><tr><td> </td><td><p>In more details, 100 days of TiO<sub>2</sub> exposure slightly increase the dendritic cell frequency while it reduces the regulatory T-cells in Peyer’s patches [21]</p></td><td><p>In more details, 100 days of TiO<sub>2</sub> exposure slightly increases the dendritic cell frequency while it reduces the regulatory T-cells in Peyer’s patches [21]</p></td></tr><tr><td><p>Methods</p></td><td><p>Pregnant C57BL/6 wild type female mice were exposed to food additive titanium particles (E171; 9 mg/kg of body weight/day) via drinking water until 3 weeks post-delivery and their offspring was analysed at post-natal day (PND) 30 weaning or maintained under such expo-sure until PND50</p></td><td><p>Pregnant C57BL/6 wild type female mice were exposed to food additive titanium particles (E171; 9 mg/kg of body weight/day) via drinking water until 4 weeks post-delivery and their offspring was analysed at post-natal day (PND) 30 weaning or maintained under such expo-sure until PND50</p></td></tr><tr><td> </td><td><p>Mice were gavaged with FD4 (10 mg/100 µL per mice; Sigma) 4 h before the sacrifice [ 60]</p></td><td><p>Mice were gavaged with FD4 (10 mg/100 µL per mice; Sigma) 3 h before the sacrifice [ 60]</p></td></tr><tr><td> </td><td><p>Permeability was assessed by measuring the mucosal-to-serosal flux of FD4 [30]</p></td><td><p>Permeability was assessed by measuring the mucosal-to-serosal flux of FD4 [31]</p></td></tr><tr><td> </td><td><p>Organoid stem cell survival (number of organoids formed), and growth capacity</p><p>(organoid area (µm<sup>2</sup>)) were followed three, six, nine and twelve days after plating with a wide field transmission microscope (Apotome Zeiss, 10X lens)</p></td><td><p>Organoid stem cell survival (number of organoids formed), and growth capacity</p><p>(organoid area (µm<sup>2</sup>)) were followed three, six and nine days after plating with a wide field transmission microscope (Apotome Zeiss, 10X lens)</p></td></tr><tr><td><p>Supplementary Information</p></td><td><p>Additional file 1. Fig. S1: Impact of perinatal exposure to foodborne TiO<sub>2</sub>O<sub>2</sub> on the composition of chemical element of fœtus, spleen and liver from females and pups. (A‑C) Wild type female mice have been exposed to</p><p>TiO<sub>2</sub> (9 mg/BW/Day)</p></td><td><p>Additional file 1. Fig. S1: Impact of perinatal exposure to foodborne TiO<sub>2</sub> on the composition of chemical element of fœtus, spleen and liver from females and pups. (A‑C) Wild type female mice have been exposed to TiO<sub>2</sub> (9 mg/Kg of BW/Day)</p></td></tr><tr><td> </td><td><p>(A and B) Wild type female mice have been exposed to TiO<sub>2</sub> (9 mg/BW/Day) during the</p><p>perinatal period including gestational and lactating periods</p></td><td><p>(A and B) Wild type female mice have been exposed to TiO<sub>2</sub>O<sub>2</sub> (9 mg/Kg of BW/Day) during the perinatal period including gestational and lactating periods</p></td></tr><tr><td> </td><td><p>A‑E) Wild type female mice have been exposed to TiO<sub>2</sub> (9 mg/BW/Day) during the perinatal period including gestational and lactating periods</p></td><td><p>A‑E) Wild type female mice have been exposed to TiO<sub>2</sub> (9 mg/Kg of BW/Day) during the perinatal period including gestational and lactating periods</p></td></tr><tr><td> </td><td><p>Weaning pups were also exposed to TiO<sub>2</sub> (9 mg/BW/Day) until day 50 after birth (A)</p></td><td><p>Weaning pups were also exposed to TiO<sub>2</sub> (9 mg/Kg of BW/Day) until day 50 after birth (A)</p></td></tr><tr><td> </td><td><p>Then at day 50 after birth, pups have been sacrificed and the structure of the colonic mucosa‑associ‑ ated microbiota has been monitored by 16S rRNA gene sequencing (B‑E)</p></td><td><p>Then at day 50 after birth, pups have been sacrificed and the structure of the colonic mucosa‑associ‑ ated microbiota has been monitored by 16S rRNA gene sequencing (B‑D)</p></td></tr><tr><td> </td><td><p>(C‑E) Composition of colonic microbiota at phyla level (C) and Fold changes 2 for bacterial genera significantly perturbed (D and E) from exposed or non‑exposed mice to foodborne TiV at day and 50 after birth</p></td><td><p>C‑D) Composition of colonic microbiota at phyla level (C) and Fold changes 2 for bacterial genera significantly perturbed (D) from exposed or non‑exposed mice to foodborne TiO<sub>2</sub> at day and 50 after birth</p></td></tr><tr><td> </td><td><p>Additional file 4. Fig. S4: Impact of perinatal exposure to foodborne TiO<sub>2</sub> on colonic epithelium at day 50. (A‑D) Wild type female mice have been exposed to TiO<sub>2</sub> (9 mg/BW/Day) during the perinatal period including ges‑ tational and lactating periods. Weaning pups were also exposed to TiO<sub>2</sub> (9 mg/BW/Day) until day 50 after birth (A‑D)</p></td><td><p>Additional file 4. Fig. S4: Impact of perinatal exposure to foodborne TiO<sub>2</sub> on colonic epithelium at day 50. (A‑D) Wild type female mice have been exposed to TiO<sub>2</sub> (9 mg/Kg of BW/Day) during the perinatal period including ges‑ tational and lactating periods. Weaning pups were also exposed to TiO<sub>2</sub> (9 mg/Kg of BW/Day) until day 50 after birth (A‑D)</p></td></tr><tr><td> </td><td><p>(A‑D) Wild type female mice have been exposed to T iO<sub>2</sub> (9 mg/BW/Day) during</p><p>the perinatal period including gestational and lactating periods. Then, at days 30 or 50 after birth, pups have been sacrificed and several parameters including colonic mRNA expression of mucin 2 (<i>Muc2</i>), mucin 3 (<i>Muc3</i>),mucin 4 (<i>Muc4</i>) and Trefoiled factor 3 (<i>Tff3</i>) (A), faecal levels of lysozyme (B) and IgG (C)</p></td><td><p>(A‑D) Wild type female mice have been exposed to T iO<sub>2</sub> (9 mg/Kg of BW/Day) during</p><p>the perinatal period including gestational and lactating periods. Then, at days 30 or 50 after birth, pups have been sacrificed and several parameters including colonic mRNA expression of mucin 2 (<i>Muc2</i>), mucin 3 (<i>Muc3</i>), mucin 4 (<i>Muc4</i>) and Trefoiled factor 3 (<i>Tff3</i>) (A, B), faecal levels of lysozyme (C) and IgG (D)</p></td></tr><tr><td> </td><td><p>(A‑C) Wild type female mice have been</p><p>exposed to TiO<sub>2</sub> (9 mg/BW/Day) during the perinatal period including gestational and lactating periods. Weaning pups were also exposed to TiO<sub>2</sub> (9 mg/BW/Day) until day 50 after birth</p></td><td><p>(A‑C) Wild type female mice have been</p><p>exposed to TiO<sub>2</sub> (9 mg/Kg of BW/Day) during the perinatal period including gestational and lactating periods. Weaning pups were also exposed to TiO<sub>2</sub> (9 mg/Kg of BW/Day) until day 50 after birth</p></td></tr><tr><td> </td><td><p>Wild type female mice have been exposed to TiO<sub>2</sub> (9 mg/BW/Day) during the perinatal period including gestational and lactating periods. A</p></td><td><p>Wild type female mice have been exposed to TiO<sub>2</sub> (9 mg/Kg of BW/Day) during the perinatal period including gestational and lactating periods. A</p></td></tr></tbody></table><ol data-track-component=\"outbound reference\"><li data-counter=\"1.\"><p>Carlé C, Boucher D, Morelli L, et al. Perinatal foodborne titanium dioxide exposure-mediated dysbiosis predisposes mice to develop colitis through life. Part Fibre Toxicol. 2023;20:45. https://doi.org/10.1186/s12989-023-00555-5.</p><p>Article CAS PubMed PubMed Central Google Scholar </p></li></ol><p>Download references<svg aria-hidden=\"true\" focusable=\"false\" height=\"16\" role=\"img\" width=\"16\"><use xlink:href=\"#icon-eds-i-download-medium\" xmlns:xlink=\"http://www.w3.org/1999/xlink\"></use></svg></p><span>Author notes</span><ol><li><p>Delphine Boucher and Luisa Morelli have contributed equally to this work.</p></li><li><p>Ziad Al Nabhani, and Frédérick Barreau have contributed equally to this work.</p></li></ol><h3>Authors and Affiliations</h3><ol><li><p>Institut de Recherche en Santé Digestive (IRSD), INSERM UMR-1220, Purpan Hospital, CS60039, University of Toulouse, INSERM, INRAE, ENVT, UPS, 31024, Toulouse Cedex 03, France</p><p>Caroline Carlé, Ekaterina Ovtchinnikova, Louise Battut, Kawthar Boumessid, Melvin Airaud, Muriel Quaranta-Nicaise, Gilles Dietrich, Sandrine Menard, Emmanuel Mas &amp; Frédérick Barreau</p></li><li><p>M2iSH, Université Clermont Auvergne, UMR1071 INSERM, USC INRAE 1382, Clermont-Ferrand, France</p><p>Delphine Boucher &amp; Nicolas Barnich</p></li><li><p>Department of Visceral Surgery and Medicine, Bern University Hospital, University of Bern, 3010, Bern, Switzerland</p><p>Luisa Morelli &amp; Ziad Al Nabhani</p></li><li><p>Maurice Müller Laboratories, Department for Biomedical Research, University of Bern, 3008, Bern, Switzerland</p><p>Luisa Morelli &amp; Ziad Al Nabhani</p></li><li><p>Laboratoire Ecologie Fonctionnelle et Environnement, Université de Toulouse, CNRS, Toulouse, France</p><p>Camille Larue</p></li><li><p>Univ. Grenoble-Alpes, CEA, CNRS, IRIG-SyMMES, CIBEST, Grenoble, France</p><p>Jean-Luc Ravanat &amp; Marie Carriere</p></li><li><p>Institut Pasteur, Microenvironment and Immunity Unit, 75724, Paris, France</p><p>Gérard Eberl</p></li><li><p>INSERM U1224, Paris, France</p><p>Gérard Eberl</p></li><li><p>Gastroenterology, Hepatology, Nutrition, Diabetology and Hereditary Metabolic Diseases Unit, Hôpital des Enfants, CHU de Toulouse, 31300, Toulouse, France</p><p>Emmanuel Mas</p></li></ol><span>Authors</span><ol><li><span>Caroline Carlé</span>View author publications<p>You can also search for this author in <span>PubMed<span> </span>Google Scholar</span></p></li><li><span>Delphine Boucher</span>View author publications<p>You can also search for this author in <span>PubMed<span> </span>Google Scholar</span></p></li><li><span>Luisa Morelli</span>View author publications<p>You can also search for this author in <span>PubMed<span> </span>Google Scholar</span></p></li><li><span>Camille Larue</span>View author publications<p>You can also search for this author in <span>PubMed<span> </span>Google Scholar</span></p></li><li><span>Ekaterina Ovtchinnikova</span>View author publications<p>You can also search for this author in <span>PubMed<span> </span>Google Scholar</span></p></li><li><span>Louise Battut</span>View author publications<p>You can also search for this author in <span>PubMed<span> </span>Google Scholar</span></p></li><li><span>Kawthar Boumessid</span>View author publications<p>You can also search for this author in <span>PubMed<span> </span>Google Scholar</span></p></li><li><span>Melvin Airaud</span>View author publications<p>You can also search for this author in <span>PubMed<span> </span>Google Scholar</span></p></li><li><span>Muriel Quaranta-Nicaise</span>View author publications<p>You can also search for this author in <span>PubMed<span> </span>Google Scholar</span></p></li><li><span>Jean-Luc Ravanat</span>View author publications<p>You can also search for this author in <span>PubMed<span> </span>Google Scholar</span></p></li><li><span>Gilles Dietrich</span>View author publications<p>You can also search for this author in <span>PubMed<span> </span>Google Scholar</span></p></li><li><span>Sandrine Menard</span>View author publications<p>You can also search for this author in <span>PubMed<span> </span>Google Scholar</span></p></li><li><span>Gérard Eberl</span>View author publications<p>You can also search for this author in <span>PubMed<span> </span>Google Scholar</span></p></li><li><span>Nicolas Barnich</span>View author publications<p>You can also search for this author in <span>PubMed<span> </span>Google Scholar</span></p></li><li><span>Emmanuel Mas</span>View author publications<p>You can also search for this author in <span>PubMed<span> </span>Google Scholar</span></p></li><li><span>Marie Carriere</span>View author publications<p>You can also search for this author in <span>PubMed<span> </span>Google Scholar</span></p></li><li><span>Ziad Al Nabhani</span>View author publications<p>You can also search for this author in <span>PubMed<span> </span>Google Scholar</span></p></li><li><span>Frédérick Barreau</span>View author publications<p>You can also search for this author in <span>PubMed<span> </span>Google Scholar</span></p></li></ol><h3>Corresponding authors</h3><p>Correspondence to Ziad Al Nabhani or Frédérick Barreau.</p><h3>Publisher's Note</h3><p>Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.</p><p><b>Open Access</b> This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. 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0-.92-.08-1.33-.25-.41-.16-.77-.4-1.08-.7-.3-.31-.54-.69-.72-1.13-.17-.44-.26-.95-.26-1.52zm4.61-.62c0-.55-.11-.98-.34-1.28-.23-.31-.58-.47-1.06-.47-.41 0-.77.15-1.08.45-.31.29-.5.73-.57 1.3zm3.01 2.23c.31.24.61.43.92.57.3.13.63.2.98.2.38 0 .65-.08.83-.23s.27-.35.27-.6c0-.14-.05-.26-.13-.37-.08-.1-.2-.2-.34-.28-.14-.09-.29-.16-.47-.23l-.53-.22c-.23-.09-.46-.18-.69-.3-.23-.11-.44-.24-.62-.4s-.33-.35-.45-.55c-.12-.21-.18-.46-.18-.75 0-.61.23-1.1.68-1.49.44-.38 1.06-.57 1.83-.57.48 0 .91.08 1.29.25s.71.36.99.57l-.74.98c-.24-.17-.49-.32-.73-.42-.25-.11-.51-.16-.78-.16-.35 0-.6.07-.76.21-.17.15-.25.33-.25.54 0 .14.04.26.12.36s.18.18.31.26c.14.07.29.14.46.21l.54.19c.23.09.47.18.7.29s.44.24.64.4c.19.16.34.35.46.58.11.23.17.5.17.82 0 .3-.06.58-.17.83-.12.26-.29.48-.51.68-.23.19-.51.34-.84.45-.34.11-.72.17-1.15.17-.48 0-.95-.09-1.41-.27-.46-.19-.86-.41-1.2-.68z" fill="#535353"/></g></svg>\" width=\"57\"/><h3>Cite this article</h3><p>Carlé, C., Boucher, D., Morelli, L. <i>et al.</i> Correction: Perinatal foodborne titanium dioxide exposure-mediated dysbiosis predisposes mice to develop colitis through life. <i>Part Fibre Toxicol</i> <b>21</b>, 11 (2024). https://doi.org/10.1186/s12989-024-00570-0</p><p>Download citation<svg aria-hidden=\"true\" focusable=\"false\" height=\"16\" role=\"img\" width=\"16\"><use xlink:href=\"#icon-eds-i-download-medium\" xmlns:xlink=\"http://www.w3.org/1999/xlink\"></use></svg></p><ul data-test=\"publication-history\"><li><p>Published<span>: </span><span><time datetime=\"2024-03-06\">06 March 2024</time></span></p></li><li><p>DOI</abbr><span>: </span><span>https://doi.org/10.1186/s12989-024-00570-0</span></p></li></ul><h3>Share this article</h3><p>Anyone you share the following link with will be able to read this content:</p><button data-track=\"click\" data-track-action=\"get shareable link\" data-track-external=\"\" data-track-label=\"button\" type=\"button\">Get shareable link</button><p>Sorry, a shareable link is not currently available for this article.</p><p data-track=\"click\" data-track-action=\"select share url\" data-track-label=\"button\"></p><button data-track=\"click\" data-track-action=\"copy share url\" data-track-external=\"\" data-track-label=\"button\" type=\"button\">Copy to clipboard</button><p> Provided by the Springer Nature SharedIt content-sharing initiative </p>","PeriodicalId":19847,"journal":{"name":"Particle and Fibre Toxicology","volume":null,"pages":null},"PeriodicalIF":7.2000,"publicationDate":"2024-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Correction: Perinatal foodborne titanium dioxide exposure-mediated dysbiosis predisposes mice to develop colitis through life\",\"authors\":\"Caroline Carlé, Delphine Boucher, Luisa Morelli, Camille Larue, Ekaterina Ovtchinnikova, Louise Battut, Kawthar Boumessid, Melvin Airaud, Muriel Quaranta-Nicaise, Jean-Luc Ravanat, Gilles Dietrich, Sandrine Menard, Gérard Eberl, Nicolas Barnich, Emmanuel Mas, Marie Carriere, Ziad Al Nabhani, Frédérick Barreau\",\"doi\":\"10.1186/s12989-024-00570-0\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><b>Correction: Particle and Fibre Toxicology (2023) 20:45</b><b>https://doi.org/10.1186/s12989-023-00555-5</b></p><p>Following publication of the original article [1], the authors reported some spelling and bibliograph errors. Below is a table of corrections which have been implemented in the original article.</p><p>The original article [1] has been corrected.</p><table><thead><tr><th><p>Section</p></th><th><p>Originally published text</p></th><th><p>Corrected text</p></th></tr></thead><tbody><tr><td><p>Abstract</p></td><td><p>Perinatal exposure to titanium dioxide (TiO<sub>2</sub>), as a foodborne particle, may influence the intestinal barrier function and the susceptibility to develop inflammatory bowel disease (IBD) later in life</p></td><td><p>Perinatal exposure to titanium dioxide (TiO<sub>2</sub>), as a foodborne particle, may influence the intestinal barrier function and the susceptibility to develop inflammatory bowel diseases (IBD) later in life</p></td></tr><tr><td><p>Background</p></td><td><p>A significant number of human chronic diseases (inflammatory, metabolic …) is linked to a deficiency of the IBF and some of them, like IBD, exhibit alterations of the four IBF’s compartments [8, 9]</p></td><td><p>significant number of human chronic diseases (inflammatory, metabolic …) is linked to a deficiency of the IBF and some of them, like IBD, exhibit alterations of the three IBF’s compartments [8, 9]</p></td></tr><tr><td> </td><td><p>To evaluate this hypothesis, we exposed pregnant female C57BL/6 mice to 9 mg E171/kg b.w./day via their drinking water,from the beginning of gestation until 3 weeks postdelivery</p></td><td><p>To evaluate this hypothesis, we exposed pregnant female C57BL/6 mice to 9 mg E171/kg b.w./day via their drinking water, from the beginning of gestation until 4 weeks postdelivery</p></td></tr><tr><td> </td><td><p>This exposure concentration is in the lower range of the estimated daily exposure of human adults, which ranges between 5.5 and 10.4 mg/kg b.w./day according to EFSA’s estimations [ref 35]</p></td><td><p>This exposure concentration is in the lower range of the estimated daily exposure of human adults, which ranges between 5.5 and 10.4 mg/kg b.w./day according to EFSA’s estimations [29]</p></td></tr><tr><td> </td><td><p>When considering the guidances on dose conversion between human and animal exposure, such as the Nair and Jacob practice guide or FDA’s guidelines, we previously estimated that doses up to 50–60 mg/kg b.w./day in mice would be realistic [ref notre revue PFT] confirming that the dose used in the present study can be considered as a low exposure dose</p></td><td><p>When considering the guidances on dose conversion between human and animal exposure, such as the Nair and Jacob practice guide or FDA’s guidelines, we previously estimated that doses up to 50–60 mg/kg b.w./day in mice would be realistic [14] confirming that the dose used in the present study can be considered as a low exposure dose</p></td></tr><tr><td><p>Results</p></td><td><p><b>Figure 1</b> Abilities of foodborne TiO<sub>2</sub> to translocate across the human barriers. A–G Wild type female mice have been exposed to TiO<sub>2</sub> (9 mg/BW/Day)</p></td><td><p><b>Figure 1</b> Abilities of foodborne TiO<sub>2</sub> to translocate across the human barriers. A–G Wild type female mice have been exposed to TiO<sub>2</sub> (9 mg/Kg ofBW/Day)</p></td></tr><tr><td> </td><td><p>Since gut microbiota is described to modulate the intestinal epithelium homeostasis [29, 30], we investigated if perinatal exposure to foodborne TiO<sub>2</sub></p></td><td><p>Since gut microbiota is described to modulate the intestinal epithelium homeostasis [30, 31], we investigated if perinatal exposure to foodborne TiO<sub>2</sub></p></td></tr><tr><td> </td><td><p>In addition, the expression of myosin light chain kinase (<i>Mylk</i>), a master regulator of the tight junction opening [31], was increased by perinatal exposure</p></td><td><p>In addition, the expression of myosin light chain kinase (<i>Mylk</i>), a master regulator of the tight junction opening [32], was increased by perinatal exposure</p></td></tr><tr><td> </td><td><p><b>Figure 2</b> Impact of perinatal exposure to foodborne TiO<sub>2</sub> on colonic microbiota at days 30. A<b>-E</b> Wild type female mice have been exposed to TiO<sub>2</sub> (9 mg/BW/Day) during the perinatal period including gestational and lactating periods. Then at days 30 after birth, pups have been sacrificed and the structure of the colonic mucosa‑associated microbiota has been monitored by 16S rRNA gene sequencing (B<b>-E</b>)</p><p>C-E Composition of colonic microbiota at phyla level (C) and Fold changes 2 for bacterial genera significantly perturbed (D and E) from exposed or non‑exposed mice to foodborne TiO<sub>2</sub> at day 30 after birth</p></td><td><p><b>Figure 2</b> Impact of perinatal exposure to foodborne TiO<sub>2</sub> on colonic microbiota at day 30. A<b>-D</b> Wild type female mice have been exposed to TiO<sub>2</sub> (9 mg/Kg of BW/Day) during the perinatal period including gestational and lactating periods. Then at day 30 after birth, pups have been sacrificed and the structure of the colonic mucosa‑associated microbiota has been monitored by 16S rRNA gene sequencing (B<b>-D</b>)</p><p>C-D Composition of colonic microbiota at phyla level (C) and Fold changes 2 for bacterial genera significantly perturbed (D) from exposed or non‑exposed mice to foodborne TiV at day 30 after birth</p></td></tr><tr><td> </td><td><p>At days 50 after birth, TiO<sub>2</sub> exposure only increased the level of <i>Muc2</i> (Additional file 5: Fig.S5A, B)</p></td><td><p>At days 50 after birth, TiO<sub>2</sub> exposure only increased the level of <i>Muc2</i> (Additional file 5: Fig. S5A-C)</p></td></tr><tr><td> </td><td><p>At days 50 after birth, TiO<sub>2</sub> exposure only increased the level of Muc2 (Additional file 5: Fig. S5A, E)</p></td><td><p>At days 50 after birth, TiO<sub>2</sub> exposure only increased the level of Muc2 (Additional file 5: Fig. S5A)</p></td></tr><tr><td> </td><td><p>Since perinatal exposure to TiO<sub>2</sub> altered the func-tionality of the colonic epithelium, we then monitored its effects on the intestinal epithelial stem cells (IESC) homeostasis (Fig. 3D–F; Additional file 5: Fig. S3D–F)</p></td><td><p>Since perinatal exposure to TiO<sub>2</sub> altered the func-tionality of the colonic epithelium, we then monitored its effects on the intestinal epithelial stem cells (IESC) homeostasis (Fig. 4D–F; Additional file 5: Fig. S4D–F)</p></td></tr><tr><td> </td><td><p>At day 50, mice exposed to TiO<sub>2</sub> had an increased mRNA levels of colonic CD44, Leucine-rich repeat-containing</p><p>G-protein coupled receptor 5 (<i>Lgr5</i>), Achaete-scute complex homolog 2 (<i>Ascl2</i>) and Musashi RNA-binding protein 1 (<i>Musashi</i>), three markers of CBC, Telomerase reverse transcriptase (<i>Tert</i>) and Homeodomain-only protein X (<i>Hopx</i>), two markers of + 4 stem cells and the marker of non-canonical wnt pathway (wnt5, involved in inflammatory pathway) (Additional file 3: Fig. S3D) but</p></td><td><p>At day 50, mice exposed to TiO<sub>2</sub> had an increased mRNA levels of colonic CD44, Leucine-rich repeat-containing</p><p>G-protein coupled receptor 5 (<i>Lgr5</i>), Achaete-scute complex homolog 2 (<i>Ascl2</i>) and Musashi RNA-binding protein 1 (<i>Musashi</i>), three markers of CBC, Telomerase reverse transcriptase (<i>Tert</i>) and Homeodomain-only protein X (<i>Hopx</i>), two markers of + 4 stem cells and the marker of non-canonical wnt pathway (wnt5, involved in inflammatory pathway) (Additional file 4: Fig. S4D) but</p></td></tr><tr><td> </td><td><p><b>Figure 3</b> Impact of perinatal exposure to foodborne TiO<sub>2</sub> on colonic epithelium at day 30. A–D Wild type female mice have been exposed to TiO<sub>2</sub> (9 mg/BW/Day)</p></td><td><p><b>Figure 3</b> Impact of perinatal exposure to foodborne TiO<sub>2</sub> on colonic epithelium at day 30. A–D Wild type female mice have been exposed to TiO<sub>2</sub> (9 mg/Kg of BW/Day)</p></td></tr><tr><td> </td><td><p>We observed a significant reduction of organoid growth at day 9 post-organoid culture obtained from TiO<sub>2</sub>-exposed mice compared to control at day 30 (Fig. 3E) but the survival of colonic organoids was similar between both TiO<sub>2</sub>-treated and untreated group (Fig. 3F)</p></td><td><p>We observed a significant reduction of organoid growth at day 9 post-organoid culture obtained from TiO<sub>2</sub>-exposed mice compared to control at day 30 (Fig. 3F) but the survival of colonic organoids was similar between both TiO<sub>2</sub>-treated and untreated group (Fig. 3E)</p></td></tr><tr><td> </td><td><p>Finally, since oxidative stress and/or DNA meth-ylation are well known to regulate gene expression, we monitored the impact of exposure to TiO<sub>2</sub> on the oxida-tive balance as well as DNA methylation of the colonic epithelium (Fig. 3G, H; Additional file 4: Fig. S4H)</p></td><td><p>Finally, since oxidative stress and/or DNA meth-ylation are well known to regulate gene expression, we monitored the impact of exposure to TiO<sub>2</sub> on the oxida-tive balance as well as DNA methylation of the colonic epithelium (Fig. 3G, H; Additional file 4: Fig. S4G)</p></td></tr><tr><td> </td><td><p>In this objective, we used 8-oxo-dGuo as a biomarker of DNA oxidation, this lesion being also considered as a marker of oxidative stress [32] and being quantifiable with a high sensitivity using methods such as HPLC-tandem mass spectrometry [33]</p></td><td><p>In this objective, we used 8-oxo-dGuo as a biomarker of DNA oxidation, this lesion being also considered as a marker of oxidative stress [33] and being quantifiable with a high sensitivity using methods such as HPLC-tandem mass spectrometry [34]</p></td></tr><tr><td> </td><td><p>As a DNA methylation biomarker, we quantified 5-methyl-2′-deoxycitidine, i.e., 5-Me-dC, as it is the predominant methylation site in mammalian genomes and it shows the highest biological significance as it modulates the binding of transcription factors to DNA [34, 35]</p></td><td><p>As a DNA methylation biomarker, we quantified 5-methyl-2′-deoxycitidine, i.e., 5-Me-dC, as it is the predominant methylation site in mammalian genomes and it shows the highest biological significance as it modulates the binding of transcription factors to DNA [29, 35]</p></td></tr><tr><td> </td><td><p><b>Figure 4</b> Impact of perinatal exposure to TiO<sub>2</sub> foodborne on intestinal immune system. A<b>–E</b> Wild type female mice have been exposed to TiO<sub>2</sub>O<sub>2</sub> (9 mg/BW/Day) during</p></td><td><p><b>Figure 4</b> Impact of perinatal exposure to TiO<sub>2</sub> foodborne on intestinal immune system. A<b>–D</b> Wild type female mice have been exposed to TiO<sub>2</sub> (9 mg/Kg of BW/Day) during</p></td></tr><tr><td> </td><td><p>In contrast to those observed in colon of young mice, perinatal exposure to TiO<sub>2</sub> did not affect the mRNA level of <i>Il23</i> while it increased the expression of <i>Il1b</i>, <i>Il6</i>, <i>Il10</i>, <i>Il22 and Tnfa</i> (Additional file 6: Fig. S6C)</p></td><td><p>In contrast to those observed in colon of young mice, perinatal exposure to TiO<sub>2</sub> did not affect the mRNA level of <i>Il23</i> at day 50 while it increased the expression of <i>Il1b</i>, <i>Il6</i>, <i>Il10</i>, <i>Il22, Tnfa and Ifng</i> (Additional file 6: Fig. S6C)</p></td></tr><tr><td> </td><td><p>However, at protein level, perinatal exposure to TiO<sub>2</sub> increased the colonic cytokines expression of Tnfα, Ifnγ, IL-12 and IL-1β (Fig. 4A)</p></td><td><p>However, at protein level, perinatal exposure to TiO<sub>2</sub> increased the colonic cytokines expression of Tnfα, Ifnγ, IL-12 and IL-1β (Fig. 4A) at day 30</p></td></tr><tr><td> </td><td><p>Regarding colonic immune cell populations, flow cytometry experiments on the lamina propria from colon of mice (day 50) evidenced that perinatal exposure to TiO<sub>2</sub> increased the percentage of myeloid cells (CD11<sup>+</sup>),</p></td><td><p>Regarding colonic immune cell populations, flow cytometry experiments on the lamina propria from colon of mice (day 50) evidenced that perinatal exposure to TiO<sub>2</sub> increased the percentage of myeloid cells (CD11b<sup>+</sup>),</p></td></tr><tr><td> </td><td><p>Finally, the reduced percentage of B cells in the lamina propria was associated with reduced faecal levels of IgA, but not IgG at both days 30 and 50 after birth (Fig. 4D; Additional file 5: Fig. S5D)</p></td><td><p>Finally, the reduced percentage of B cells in the lamina propria was associated with reduced faecal levels of IgA, but not IgG at both days 30 and 50 after birth (Fig. 4B–D; Additional file 5: Fig. S5D)</p></td></tr><tr><td> </td><td><p>Since gut microbiota dysbiosis has been shown to alter the gut homeostasis [7, 29, 38],</p></td><td><p>Since gut microbiota dysbiosis has been shown to alter the gut homeostasis [7, 30, 38],</p></td></tr><tr><td> </td><td><p>Six weeks after microbiota transfer, permeability and mRNA levels of <i>Occludin</i>, <i>Tpj1</i>, <i>Tpj2</i> and <i>Mylk</i> as well as <i>Il1b</i>, <i>Il12</i>,</p><p><i>Tnfa</i> and <i>Ifng</i> were assessed (Fig. 5B, C). As</p></td><td><p>Six weeks after microbiota transfer, permeability and mRNA levels of <i>Occludin</i>, <i>Tpj1</i>, <i>Tpj2</i> and <i>Mylk</i> as well as <i>Il1b</i>, <i>Il12</i>, <i>Tnfa</i> and <i>Ifng</i> were assessed (Fig. 5B–D). As</p></td></tr><tr><td> </td><td><p>As illustrated in Fig. 5B, the transfer of T iO<sub>2</sub>-triggered microbiota dysbiosis to healthy germ-free mice led to significantly increased paracellular intestinal permeability (Fig. 5B),</p><p>increased mRNA level of <i>Mylk</i>, and reduced mRNA level of <i>Tjp1</i> and Tjp2 (Fig. 5C)</p></td><td><p>As illustrated in Fig. 5B, the transfer of T iO<sub>2</sub>-triggered microbiota dysbiosis to healthy germ-free mice led to significantly increased paracellular intestinal permeability (Fig. 5B),</p><p>increased mRNA level of <i>Mylk</i>, and reduced mRNA level of <i>Tjp1</i> and Tjp2 (Fig. 5C) in offspring at day 30</p></td></tr><tr><td> </td><td><p>We observed that alteration of homeostasis of the colonic mucosa related to early life exposure to TiO<sub>2</sub>O<sub>2</sub> did not persist until adult 17 weeks of age as monitored for permeability, cytokine and other inflammatory markers i. e. in the group unchallenged for DSS mice exposed to TiO<sub>2</sub> superpose with mice unexposed (Fig. 6; Additional file 7: Fig. S7A)</p></td><td><p>We observed that alteration of homeostasis of the colonic mucosa related to early life exposure to TiO<sub>2</sub> did not persist until adult 17 weeks of age as monitored for permeability, cytokine and other inflammatory markers i. e. in the group unchallenged for DSS mice exposed to TiO<sub>2</sub> superpose with mice unexposed (Fig. 6; Additional file 7: Fig. S7)</p></td></tr><tr><td> </td><td><p>However, as illustrated in Fig. 6B–H, perinatal exposure to TiO<sub>2</sub> enhanced significantly the loss of body weight and the DAI induced by DSS</p></td><td><p>However, as illustrated in Fig. 6B–G, perinatal exposure to TiO<sub>2</sub> enhanced significantly the loss of body weight and the DAI induced by DSS. Perinatal</p></td></tr><tr><td> </td><td><p>Figure 6 Impact of perinatal exposure to foodborne TiO<sub>2</sub> on susceptibility to develop colitis later in life. A–G Wild type female mice have been exposed to TiO<sub>2</sub> (9 mg/BW/Day) during the perinatal period including gestational and lactating periods (A)</p></td><td><p>Figure 6 Impact of perinatal exposure to foodborne TiO<sub>2</sub> on susceptibility to develop colitis later in life. A–G Wild type female mice have been exposed to TiO<sub>2</sub> (9 mg/Kg of BW/Day) during the perinatal period including gestational and lactating periods (A)</p></td></tr><tr><td> </td><td><p>Perinatal exposure to TiO<sub>2</sub> also exacerbated the colitis, as evidenced by a reduced colon length associated with increased colonic mRNA expression and protein levels of IL-1β, IL-4, IL-12, IL-13, IFNγ and TNF-α (Additional file 6: Fig. S6A and additional File 7: FigS7E)</p></td><td><p>Perinatal exposure to TiO<sub>2</sub> also exacerbated the colitis, as evidenced by a reduced colon length associated with increased colonic mRNA expression and protein levels of IL-1β, IL-4, IL-12, IL-13, IFNγ and TNF-α (Additional file 7: Fig. S7)</p></td></tr><tr><td> </td><td><p>Perinatal exposure to TiO<sub>2</sub> also aggravated significantly the alterations of intestinal permeability, as evidenced by an increased Dextran-FITC flux, mRNA expression of MLCK and a reduced mRNA level of Tjp1 (Fig. 6G)</p></td><td><p>Perinatal exposure to TiO<sub>2</sub> also aggravated significantly the alterations of intestinal permeability, as evidenced by an increased 4 kDa Dextran-FITC flux, mRNA expression of MLCK and a reduced mRNA level of Tjp1 (Fig. 6G)</p></td></tr><tr><td> </td><td><p>In contrast, at the 17th week of life, there was no longer any signifi-cant difference in terms of permeability, cytokine or other inflammatory markers i. e. in the group unchallenged for DSS mice exposed to TiO<sub>2</sub> superpose with mice unex-posed (Fig. 7D–H)</p></td><td><p>In contrast, at the 17th week of life, there was no longer any signifi-cant difference in terms of permeability, cytokine or other inflammatory markers i. e. in the group unchallenged for DSS mice exposed to TiO<sub>2</sub> superpose with mice unex-posed (Fig. 7E–G)</p></td></tr><tr><td> </td><td><p>The colitis was exacerbated in these animals, as evidenced by a reduced colon length associated with increased colonic mRNA expression and protein levels of IL-1β, IL-4, IL-12, IL-13, IFNγ and TNF-α (Additional file 8: Fig. S8 A and Additional file 7: Fig. S7E)</p></td><td><p>The colitis was exacerbated in these animals, as evidenced by a reduced colon length associated with increased colonic mRNA expression and protein levels of IL-1β, IL-4, IL-12, IL-13, IFNγ and TNF-α (Additional file 8: Fig. S8 and file 7: Fig. 7E)</p></td></tr><tr><td><p>Discussion</p></td><td><p>In this study, authors evidenced that foodborne TiO<sub>2</sub> parti-cles were able to cross the cotyledon of human placenta while no data are available concerning their potential in vivo passage [42] Moreover, the presence of Ti in the meconium do not indicate if its passage underwent dur-ing gestation and/or the beginning of suckling</p></td><td><p>In this study, authors evidenced that foodborne TiO<sub>2</sub> parti-cles were able to cross the cotyledon of human placenta while no data are available concerning their potential in vivo passage [42]. Moreover, the presence of Ti in the meconium does not indicate if its passage underwent dur-ing gestation and/or the beginning of suckling</p></td></tr><tr><td> </td><td><p>This bacteria, which resides in the intestinal mucus layer har-bors some virulence traits (type VI secretion system and putative effector proteins) [43], which can trigger CD-like disease in the presence of impaired clearance of the bac-terium by innate immunity [44]</p></td><td><p>This bacteria, which resides in the intestinal mucus layer har-bors some virulence traits (type VI secretion system and putative effector proteins) [43], which can trigger IBD-like disease in the presence of impaired clearance of the bac-terium by innate immunity [44]</p></td></tr><tr><td> </td><td><p>The deleterious impact of this microbiota dysbiosis is consistent with other microbiota dysbiosis described to affect the intestinal homeostasis then favouring the development of both inflammation and cancer [29, 47, 48]</p></td><td><p>The deleterious impact of this microbiota dysbiosis is consistent with other microbiota dysbiosis described to affect the intestinal homeostasis then favouring the development of both inflammation and cancer [30, 47, 48]</p></td></tr><tr><td> </td><td><p>hese altered mRNA expressions are probably induced and/or linked to the inflammatory context (increased levels of Tnfα, Ifnγ, IL-12 and IL-1β) of the intestinal epithelium perina-tally exposed to TiO<sub>2</sub></p></td><td><p>hese altered mRNA expressions are probably induced and/or linked to the inflammatory context (increased levels of Tnfα, Ifnγ, IL-12 and IL-1β) of the intestinal epithelium perina-tally exposed to TiO<sub>2</sub></p></td></tr><tr><td> </td><td><p>Nevertheless, a recent study has reported that microbiota was able to modulate the epigenic marks on DNA [57]</p></td><td><p>Nevertheless, a recent study has reported that microbiota was able to modulate the epigenetic marks on DNA [57]</p></td></tr><tr><td> </td><td><p>In more details, 100 days of TiO<sub>2</sub> exposure slightly increase the dendritic cell frequency while it reduces the regulatory T-cells in Peyer’s patches [21]</p></td><td><p>In more details, 100 days of TiO<sub>2</sub> exposure slightly increases the dendritic cell frequency while it reduces the regulatory T-cells in Peyer’s patches [21]</p></td></tr><tr><td><p>Methods</p></td><td><p>Pregnant C57BL/6 wild type female mice were exposed to food additive titanium particles (E171; 9 mg/kg of body weight/day) via drinking water until 3 weeks post-delivery and their offspring was analysed at post-natal day (PND) 30 weaning or maintained under such expo-sure until PND50</p></td><td><p>Pregnant C57BL/6 wild type female mice were exposed to food additive titanium particles (E171; 9 mg/kg of body weight/day) via drinking water until 4 weeks post-delivery and their offspring was analysed at post-natal day (PND) 30 weaning or maintained under such expo-sure until PND50</p></td></tr><tr><td> </td><td><p>Mice were gavaged with FD4 (10 mg/100 µL per mice; Sigma) 4 h before the sacrifice [ 60]</p></td><td><p>Mice were gavaged with FD4 (10 mg/100 µL per mice; Sigma) 3 h before the sacrifice [ 60]</p></td></tr><tr><td> </td><td><p>Permeability was assessed by measuring the mucosal-to-serosal flux of FD4 [30]</p></td><td><p>Permeability was assessed by measuring the mucosal-to-serosal flux of FD4 [31]</p></td></tr><tr><td> </td><td><p>Organoid stem cell survival (number of organoids formed), and growth capacity</p><p>(organoid area (µm<sup>2</sup>)) were followed three, six, nine and twelve days after plating with a wide field transmission microscope (Apotome Zeiss, 10X lens)</p></td><td><p>Organoid stem cell survival (number of organoids formed), and growth capacity</p><p>(organoid area (µm<sup>2</sup>)) were followed three, six and nine days after plating with a wide field transmission microscope (Apotome Zeiss, 10X lens)</p></td></tr><tr><td><p>Supplementary Information</p></td><td><p>Additional file 1. Fig. S1: Impact of perinatal exposure to foodborne TiO<sub>2</sub>O<sub>2</sub> on the composition of chemical element of fœtus, spleen and liver from females and pups. (A‑C) Wild type female mice have been exposed to</p><p>TiO<sub>2</sub> (9 mg/BW/Day)</p></td><td><p>Additional file 1. Fig. S1: Impact of perinatal exposure to foodborne TiO<sub>2</sub> on the composition of chemical element of fœtus, spleen and liver from females and pups. (A‑C) Wild type female mice have been exposed to TiO<sub>2</sub> (9 mg/Kg of BW/Day)</p></td></tr><tr><td> </td><td><p>(A and B) Wild type female mice have been exposed to TiO<sub>2</sub> (9 mg/BW/Day) during the</p><p>perinatal period including gestational and lactating periods</p></td><td><p>(A and B) Wild type female mice have been exposed to TiO<sub>2</sub>O<sub>2</sub> (9 mg/Kg of BW/Day) during the perinatal period including gestational and lactating periods</p></td></tr><tr><td> </td><td><p>A‑E) Wild type female mice have been exposed to TiO<sub>2</sub> (9 mg/BW/Day) during the perinatal period including gestational and lactating periods</p></td><td><p>A‑E) Wild type female mice have been exposed to TiO<sub>2</sub> (9 mg/Kg of BW/Day) during the perinatal period including gestational and lactating periods</p></td></tr><tr><td> </td><td><p>Weaning pups were also exposed to TiO<sub>2</sub> (9 mg/BW/Day) until day 50 after birth (A)</p></td><td><p>Weaning pups were also exposed to TiO<sub>2</sub> (9 mg/Kg of BW/Day) until day 50 after birth (A)</p></td></tr><tr><td> </td><td><p>Then at day 50 after birth, pups have been sacrificed and the structure of the colonic mucosa‑associ‑ ated microbiota has been monitored by 16S rRNA gene sequencing (B‑E)</p></td><td><p>Then at day 50 after birth, pups have been sacrificed and the structure of the colonic mucosa‑associ‑ ated microbiota has been monitored by 16S rRNA gene sequencing (B‑D)</p></td></tr><tr><td> </td><td><p>(C‑E) Composition of colonic microbiota at phyla level (C) and Fold changes 2 for bacterial genera significantly perturbed (D and E) from exposed or non‑exposed mice to foodborne TiV at day and 50 after birth</p></td><td><p>C‑D) Composition of colonic microbiota at phyla level (C) and Fold changes 2 for bacterial genera significantly perturbed (D) from exposed or non‑exposed mice to foodborne TiO<sub>2</sub> at day and 50 after birth</p></td></tr><tr><td> </td><td><p>Additional file 4. Fig. S4: Impact of perinatal exposure to foodborne TiO<sub>2</sub> on colonic epithelium at day 50. (A‑D) Wild type female mice have been exposed to TiO<sub>2</sub> (9 mg/BW/Day) during the perinatal period including ges‑ tational and lactating periods. Weaning pups were also exposed to TiO<sub>2</sub> (9 mg/BW/Day) until day 50 after birth (A‑D)</p></td><td><p>Additional file 4. Fig. S4: Impact of perinatal exposure to foodborne TiO<sub>2</sub> on colonic epithelium at day 50. (A‑D) Wild type female mice have been exposed to TiO<sub>2</sub> (9 mg/Kg of BW/Day) during the perinatal period including ges‑ tational and lactating periods. Weaning pups were also exposed to TiO<sub>2</sub> (9 mg/Kg of BW/Day) until day 50 after birth (A‑D)</p></td></tr><tr><td> </td><td><p>(A‑D) Wild type female mice have been exposed to T iO<sub>2</sub> (9 mg/BW/Day) during</p><p>the perinatal period including gestational and lactating periods. Then, at days 30 or 50 after birth, pups have been sacrificed and several parameters including colonic mRNA expression of mucin 2 (<i>Muc2</i>), mucin 3 (<i>Muc3</i>),mucin 4 (<i>Muc4</i>) and Trefoiled factor 3 (<i>Tff3</i>) (A), faecal levels of lysozyme (B) and IgG (C)</p></td><td><p>(A‑D) Wild type female mice have been exposed to T iO<sub>2</sub> (9 mg/Kg of BW/Day) during</p><p>the perinatal period including gestational and lactating periods. Then, at days 30 or 50 after birth, pups have been sacrificed and several parameters including colonic mRNA expression of mucin 2 (<i>Muc2</i>), mucin 3 (<i>Muc3</i>), mucin 4 (<i>Muc4</i>) and Trefoiled factor 3 (<i>Tff3</i>) (A, B), faecal levels of lysozyme (C) and IgG (D)</p></td></tr><tr><td> </td><td><p>(A‑C) Wild type female mice have been</p><p>exposed to TiO<sub>2</sub> (9 mg/BW/Day) during the perinatal period including gestational and lactating periods. Weaning pups were also exposed to TiO<sub>2</sub> (9 mg/BW/Day) until day 50 after birth</p></td><td><p>(A‑C) Wild type female mice have been</p><p>exposed to TiO<sub>2</sub> (9 mg/Kg of BW/Day) during the perinatal period including gestational and lactating periods. Weaning pups were also exposed to TiO<sub>2</sub> (9 mg/Kg of BW/Day) until day 50 after birth</p></td></tr><tr><td> </td><td><p>Wild type female mice have been exposed to TiO<sub>2</sub> (9 mg/BW/Day) during the perinatal period including gestational and lactating periods. A</p></td><td><p>Wild type female mice have been exposed to TiO<sub>2</sub> (9 mg/Kg of BW/Day) during the perinatal period including gestational and lactating periods. A</p></td></tr></tbody></table><ol data-track-component=\\\"outbound reference\\\"><li data-counter=\\\"1.\\\"><p>Carlé C, Boucher D, Morelli L, et al. Perinatal foodborne titanium dioxide exposure-mediated dysbiosis predisposes mice to develop colitis through life. Part Fibre Toxicol. 2023;20:45. https://doi.org/10.1186/s12989-023-00555-5.</p><p>Article CAS PubMed PubMed Central Google Scholar </p></li></ol><p>Download references<svg aria-hidden=\\\"true\\\" focusable=\\\"false\\\" height=\\\"16\\\" role=\\\"img\\\" width=\\\"16\\\"><use xlink:href=\\\"#icon-eds-i-download-medium\\\" xmlns:xlink=\\\"http://www.w3.org/1999/xlink\\\"></use></svg></p><span>Author notes</span><ol><li><p>Delphine Boucher and Luisa Morelli have contributed equally to this work.</p></li><li><p>Ziad Al Nabhani, and Frédérick Barreau have contributed equally to this work.</p></li></ol><h3>Authors and Affiliations</h3><ol><li><p>Institut de Recherche en Santé Digestive (IRSD), INSERM UMR-1220, Purpan Hospital, CS60039, University of Toulouse, INSERM, INRAE, ENVT, UPS, 31024, Toulouse Cedex 03, France</p><p>Caroline Carlé, Ekaterina Ovtchinnikova, Louise Battut, Kawthar Boumessid, Melvin Airaud, Muriel Quaranta-Nicaise, Gilles Dietrich, Sandrine Menard, Emmanuel Mas &amp; Frédérick Barreau</p></li><li><p>M2iSH, Université Clermont Auvergne, UMR1071 INSERM, USC INRAE 1382, Clermont-Ferrand, France</p><p>Delphine Boucher &amp; Nicolas Barnich</p></li><li><p>Department of Visceral Surgery and Medicine, Bern University Hospital, University of Bern, 3010, Bern, Switzerland</p><p>Luisa Morelli &amp; Ziad Al Nabhani</p></li><li><p>Maurice Müller Laboratories, Department for Biomedical Research, University of Bern, 3008, Bern, Switzerland</p><p>Luisa Morelli &amp; Ziad Al Nabhani</p></li><li><p>Laboratoire Ecologie Fonctionnelle et Environnement, Université de Toulouse, CNRS, Toulouse, France</p><p>Camille Larue</p></li><li><p>Univ. Grenoble-Alpes, CEA, CNRS, IRIG-SyMMES, CIBEST, Grenoble, France</p><p>Jean-Luc Ravanat &amp; Marie Carriere</p></li><li><p>Institut Pasteur, Microenvironment and Immunity Unit, 75724, Paris, France</p><p>Gérard Eberl</p></li><li><p>INSERM U1224, Paris, France</p><p>Gérard Eberl</p></li><li><p>Gastroenterology, Hepatology, Nutrition, Diabetology and Hereditary Metabolic Diseases Unit, Hôpital des Enfants, CHU de Toulouse, 31300, Toulouse, France</p><p>Emmanuel Mas</p></li></ol><span>Authors</span><ol><li><span>Caroline Carlé</span>View author publications<p>You can also search for this author in <span>PubMed<span> </span>Google Scholar</span></p></li><li><span>Delphine Boucher</span>View author publications<p>You can also search for this author in <span>PubMed<span> </span>Google Scholar</span></p></li><li><span>Luisa Morelli</span>View author publications<p>You can also search for this author in <span>PubMed<span> </span>Google Scholar</span></p></li><li><span>Camille Larue</span>View author publications<p>You can also search for this author in <span>PubMed<span> </span>Google Scholar</span></p></li><li><span>Ekaterina Ovtchinnikova</span>View author publications<p>You can also search for this author in <span>PubMed<span> </span>Google Scholar</span></p></li><li><span>Louise Battut</span>View author publications<p>You can also search for this author in <span>PubMed<span> </span>Google Scholar</span></p></li><li><span>Kawthar Boumessid</span>View author publications<p>You can also search for this author in <span>PubMed<span> </span>Google Scholar</span></p></li><li><span>Melvin Airaud</span>View author publications<p>You can also search for this author in <span>PubMed<span> </span>Google Scholar</span></p></li><li><span>Muriel Quaranta-Nicaise</span>View author publications<p>You can also search for this author in <span>PubMed<span> </span>Google Scholar</span></p></li><li><span>Jean-Luc Ravanat</span>View author publications<p>You can also search for this author in <span>PubMed<span> </span>Google Scholar</span></p></li><li><span>Gilles Dietrich</span>View author publications<p>You can also search for this author in <span>PubMed<span> </span>Google Scholar</span></p></li><li><span>Sandrine Menard</span>View author publications<p>You can also search for this author in <span>PubMed<span> </span>Google Scholar</span></p></li><li><span>Gérard Eberl</span>View author publications<p>You can also search for this author in <span>PubMed<span> </span>Google Scholar</span></p></li><li><span>Nicolas Barnich</span>View author publications<p>You can also search for this author in <span>PubMed<span> </span>Google Scholar</span></p></li><li><span>Emmanuel Mas</span>View author publications<p>You can also search for this author in <span>PubMed<span> </span>Google Scholar</span></p></li><li><span>Marie Carriere</span>View author publications<p>You can also search for this author in <span>PubMed<span> </span>Google Scholar</span></p></li><li><span>Ziad Al Nabhani</span>View author publications<p>You can also search for this author in <span>PubMed<span> </span>Google Scholar</span></p></li><li><span>Frédérick Barreau</span>View author publications<p>You can also search for this author in <span>PubMed<span> </span>Google Scholar</span></p></li></ol><h3>Corresponding authors</h3><p>Correspondence to Ziad Al Nabhani or Frédérick Barreau.</p><h3>Publisher's Note</h3><p>Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.</p><p><b>Open Access</b> This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. 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摘要

更正:Particle and Fibre Toxicology (2023) 20:45https://doi.org/10.1186/s12989-023-00555-5Following 原文[1]发表后,作者报告了一些拼写和文献错误。以下是原文[1]的更正表。节最初发表的文本更正后的文本摘要作为食源性微粒的二氧化钛(TiO2)的产前暴露可能会影响肠道屏障功能和日后患炎症性肠病(IBD)的易感性作为食源性微粒的二氧化钛(TiO2)的产前暴露可能会影响肠道屏障功能和日后患炎症性肠病(IBD)的易感性背景大量人类慢性疾病(炎症性、代谢性......)与肠道屏障功能缺乏有关。为了评估这一假设,我们通过饮用水向怀孕的雌性 C57BL/6 小鼠暴露 9 mg E171/kg b. w./天。w./day via their drinking water,from the beginning of pregnancy until 3 weeks postdelivery.根据欧洲食品安全局(EFSA)的估计,这一暴露浓度处于人类成人每日暴露量的较低范围,即介于 5.5 至 10.4 毫克/千克体重/天之间[参考文献 35]。根据欧洲食品安全局的估计,这一暴露浓度处于人类成人每日暴露量估计值的较低范围,在 5.5 至 10.4 毫克/千克体重/天之间。当考虑到人类和动物暴露剂量换算指南(如 Nair 和 Jacob 实践指南或 FDA 指南)时,我们之前估计小鼠体内的剂量最高可达 50-60 mg/kg b. w. /day [ref notre revue PFT],这证实本研究中使用的剂量可被视为低暴露剂量。结果图 1 食源性二氧化钛通过人体屏障转移的能力。A-G 野生型雌性小鼠暴露于二氧化钛(9 毫克/体重/天)图 1 食源性二氧化钛在人体屏障中的迁移能力。A-G 野生型雌性小鼠暴露于 TiO2(9 毫克/千克体重/天) 由于肠道微生物群被描述为调节肠道上皮细胞的稳态[29, 30],我们研究了围产期暴露于食源性 TiO2 是否会影响肠道上皮细胞的稳态[30, 31]、图 2 小鼠围产期暴露于食源性 TiO2 30 天后对结肠微生物群的影响。A-E 野生型雌性小鼠在围产期(包括妊娠期和哺乳期)暴露于二氧化钛(9 毫克/体重/天)。然后在出生后第 30 天图 2 围产期暴露于食源性 TiO2 对出生后第 30 天结肠微生物区系的影响。A-D 野生型雌性小鼠在围产期(包括妊娠期和哺乳期)暴露于二氧化钛(9 毫克/千克体重/天)。出生后第 30 天,幼鼠被处死,并通过 16S rRNA 基因测序监测结肠粘膜相关微生物区系的结构(B-D)C-D 出生后第 30 天,暴露或未暴露于食源性 TiV 的小鼠结肠微生物区系的组成(C)和受显著干扰的细菌属的折叠变化 2(D)。S5A,B)在出生后 50 天,暴露于 TiO2 只增加了 Muc2 的水平(附加文件 5:图 5)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Correction: Perinatal foodborne titanium dioxide exposure-mediated dysbiosis predisposes mice to develop colitis through life

Correction: Particle and Fibre Toxicology (2023) 20:45https://doi.org/10.1186/s12989-023-00555-5

Following publication of the original article [1], the authors reported some spelling and bibliograph errors. Below is a table of corrections which have been implemented in the original article.

The original article [1] has been corrected.

Section

Originally published text

Corrected text

Abstract

Perinatal exposure to titanium dioxide (TiO2), as a foodborne particle, may influence the intestinal barrier function and the susceptibility to develop inflammatory bowel disease (IBD) later in life

Perinatal exposure to titanium dioxide (TiO2), as a foodborne particle, may influence the intestinal barrier function and the susceptibility to develop inflammatory bowel diseases (IBD) later in life

Background

A significant number of human chronic diseases (inflammatory, metabolic …) is linked to a deficiency of the IBF and some of them, like IBD, exhibit alterations of the four IBF’s compartments [8, 9]

significant number of human chronic diseases (inflammatory, metabolic …) is linked to a deficiency of the IBF and some of them, like IBD, exhibit alterations of the three IBF’s compartments [8, 9]

 

To evaluate this hypothesis, we exposed pregnant female C57BL/6 mice to 9 mg E171/kg b.w./day via their drinking water,from the beginning of gestation until 3 weeks postdelivery

To evaluate this hypothesis, we exposed pregnant female C57BL/6 mice to 9 mg E171/kg b.w./day via their drinking water, from the beginning of gestation until 4 weeks postdelivery

 

This exposure concentration is in the lower range of the estimated daily exposure of human adults, which ranges between 5.5 and 10.4 mg/kg b.w./day according to EFSA’s estimations [ref 35]

This exposure concentration is in the lower range of the estimated daily exposure of human adults, which ranges between 5.5 and 10.4 mg/kg b.w./day according to EFSA’s estimations [29]

 

When considering the guidances on dose conversion between human and animal exposure, such as the Nair and Jacob practice guide or FDA’s guidelines, we previously estimated that doses up to 50–60 mg/kg b.w./day in mice would be realistic [ref notre revue PFT] confirming that the dose used in the present study can be considered as a low exposure dose

When considering the guidances on dose conversion between human and animal exposure, such as the Nair and Jacob practice guide or FDA’s guidelines, we previously estimated that doses up to 50–60 mg/kg b.w./day in mice would be realistic [14] confirming that the dose used in the present study can be considered as a low exposure dose

Results

Figure 1 Abilities of foodborne TiO2 to translocate across the human barriers. A–G Wild type female mice have been exposed to TiO2 (9 mg/BW/Day)

Figure 1 Abilities of foodborne TiO2 to translocate across the human barriers. A–G Wild type female mice have been exposed to TiO2 (9 mg/Kg ofBW/Day)

 

Since gut microbiota is described to modulate the intestinal epithelium homeostasis [29, 30], we investigated if perinatal exposure to foodborne TiO2

Since gut microbiota is described to modulate the intestinal epithelium homeostasis [30, 31], we investigated if perinatal exposure to foodborne TiO2

 

In addition, the expression of myosin light chain kinase (Mylk), a master regulator of the tight junction opening [31], was increased by perinatal exposure

In addition, the expression of myosin light chain kinase (Mylk), a master regulator of the tight junction opening [32], was increased by perinatal exposure

 

Figure 2 Impact of perinatal exposure to foodborne TiO2 on colonic microbiota at days 30. A-E Wild type female mice have been exposed to TiO2 (9 mg/BW/Day) during the perinatal period including gestational and lactating periods. Then at days 30 after birth, pups have been sacrificed and the structure of the colonic mucosa‑associated microbiota has been monitored by 16S rRNA gene sequencing (B-E)

C-E Composition of colonic microbiota at phyla level (C) and Fold changes 2 for bacterial genera significantly perturbed (D and E) from exposed or non‑exposed mice to foodborne TiO2 at day 30 after birth

Figure 2 Impact of perinatal exposure to foodborne TiO2 on colonic microbiota at day 30. A-D Wild type female mice have been exposed to TiO2 (9 mg/Kg of BW/Day) during the perinatal period including gestational and lactating periods. Then at day 30 after birth, pups have been sacrificed and the structure of the colonic mucosa‑associated microbiota has been monitored by 16S rRNA gene sequencing (B-D)

C-D Composition of colonic microbiota at phyla level (C) and Fold changes 2 for bacterial genera significantly perturbed (D) from exposed or non‑exposed mice to foodborne TiV at day 30 after birth

 

At days 50 after birth, TiO2 exposure only increased the level of Muc2 (Additional file 5: Fig.S5A, B)

At days 50 after birth, TiO2 exposure only increased the level of Muc2 (Additional file 5: Fig. S5A-C)

 

At days 50 after birth, TiO2 exposure only increased the level of Muc2 (Additional file 5: Fig. S5A, E)

At days 50 after birth, TiO2 exposure only increased the level of Muc2 (Additional file 5: Fig. S5A)

 

Since perinatal exposure to TiO2 altered the func-tionality of the colonic epithelium, we then monitored its effects on the intestinal epithelial stem cells (IESC) homeostasis (Fig. 3D–F; Additional file 5: Fig. S3D–F)

Since perinatal exposure to TiO2 altered the func-tionality of the colonic epithelium, we then monitored its effects on the intestinal epithelial stem cells (IESC) homeostasis (Fig. 4D–F; Additional file 5: Fig. S4D–F)

 

At day 50, mice exposed to TiO2 had an increased mRNA levels of colonic CD44, Leucine-rich repeat-containing

G-protein coupled receptor 5 (Lgr5), Achaete-scute complex homolog 2 (Ascl2) and Musashi RNA-binding protein 1 (Musashi), three markers of CBC, Telomerase reverse transcriptase (Tert) and Homeodomain-only protein X (Hopx), two markers of + 4 stem cells and the marker of non-canonical wnt pathway (wnt5, involved in inflammatory pathway) (Additional file 3: Fig. S3D) but

At day 50, mice exposed to TiO2 had an increased mRNA levels of colonic CD44, Leucine-rich repeat-containing

G-protein coupled receptor 5 (Lgr5), Achaete-scute complex homolog 2 (Ascl2) and Musashi RNA-binding protein 1 (Musashi), three markers of CBC, Telomerase reverse transcriptase (Tert) and Homeodomain-only protein X (Hopx), two markers of + 4 stem cells and the marker of non-canonical wnt pathway (wnt5, involved in inflammatory pathway) (Additional file 4: Fig. S4D) but

 

Figure 3 Impact of perinatal exposure to foodborne TiO2 on colonic epithelium at day 30. A–D Wild type female mice have been exposed to TiO2 (9 mg/BW/Day)

Figure 3 Impact of perinatal exposure to foodborne TiO2 on colonic epithelium at day 30. A–D Wild type female mice have been exposed to TiO2 (9 mg/Kg of BW/Day)

 

We observed a significant reduction of organoid growth at day 9 post-organoid culture obtained from TiO2-exposed mice compared to control at day 30 (Fig. 3E) but the survival of colonic organoids was similar between both TiO2-treated and untreated group (Fig. 3F)

We observed a significant reduction of organoid growth at day 9 post-organoid culture obtained from TiO2-exposed mice compared to control at day 30 (Fig. 3F) but the survival of colonic organoids was similar between both TiO2-treated and untreated group (Fig. 3E)

 

Finally, since oxidative stress and/or DNA meth-ylation are well known to regulate gene expression, we monitored the impact of exposure to TiO2 on the oxida-tive balance as well as DNA methylation of the colonic epithelium (Fig. 3G, H; Additional file 4: Fig. S4H)

Finally, since oxidative stress and/or DNA meth-ylation are well known to regulate gene expression, we monitored the impact of exposure to TiO2 on the oxida-tive balance as well as DNA methylation of the colonic epithelium (Fig. 3G, H; Additional file 4: Fig. S4G)

 

In this objective, we used 8-oxo-dGuo as a biomarker of DNA oxidation, this lesion being also considered as a marker of oxidative stress [32] and being quantifiable with a high sensitivity using methods such as HPLC-tandem mass spectrometry [33]

In this objective, we used 8-oxo-dGuo as a biomarker of DNA oxidation, this lesion being also considered as a marker of oxidative stress [33] and being quantifiable with a high sensitivity using methods such as HPLC-tandem mass spectrometry [34]

 

As a DNA methylation biomarker, we quantified 5-methyl-2′-deoxycitidine, i.e., 5-Me-dC, as it is the predominant methylation site in mammalian genomes and it shows the highest biological significance as it modulates the binding of transcription factors to DNA [34, 35]

As a DNA methylation biomarker, we quantified 5-methyl-2′-deoxycitidine, i.e., 5-Me-dC, as it is the predominant methylation site in mammalian genomes and it shows the highest biological significance as it modulates the binding of transcription factors to DNA [29, 35]

 

Figure 4 Impact of perinatal exposure to TiO2 foodborne on intestinal immune system. A–E Wild type female mice have been exposed to TiO2O2 (9 mg/BW/Day) during

Figure 4 Impact of perinatal exposure to TiO2 foodborne on intestinal immune system. A–D Wild type female mice have been exposed to TiO2 (9 mg/Kg of BW/Day) during

 

In contrast to those observed in colon of young mice, perinatal exposure to TiO2 did not affect the mRNA level of Il23 while it increased the expression of Il1b, Il6, Il10, Il22 and Tnfa (Additional file 6: Fig. S6C)

In contrast to those observed in colon of young mice, perinatal exposure to TiO2 did not affect the mRNA level of Il23 at day 50 while it increased the expression of Il1b, Il6, Il10, Il22, Tnfa and Ifng (Additional file 6: Fig. S6C)

 

However, at protein level, perinatal exposure to TiO2 increased the colonic cytokines expression of Tnfα, Ifnγ, IL-12 and IL-1β (Fig. 4A)

However, at protein level, perinatal exposure to TiO2 increased the colonic cytokines expression of Tnfα, Ifnγ, IL-12 and IL-1β (Fig. 4A) at day 30

 

Regarding colonic immune cell populations, flow cytometry experiments on the lamina propria from colon of mice (day 50) evidenced that perinatal exposure to TiO2 increased the percentage of myeloid cells (CD11+),

Regarding colonic immune cell populations, flow cytometry experiments on the lamina propria from colon of mice (day 50) evidenced that perinatal exposure to TiO2 increased the percentage of myeloid cells (CD11b+),

 

Finally, the reduced percentage of B cells in the lamina propria was associated with reduced faecal levels of IgA, but not IgG at both days 30 and 50 after birth (Fig. 4D; Additional file 5: Fig. S5D)

Finally, the reduced percentage of B cells in the lamina propria was associated with reduced faecal levels of IgA, but not IgG at both days 30 and 50 after birth (Fig. 4B–D; Additional file 5: Fig. S5D)

 

Since gut microbiota dysbiosis has been shown to alter the gut homeostasis [7, 29, 38],

Since gut microbiota dysbiosis has been shown to alter the gut homeostasis [7, 30, 38],

 

Six weeks after microbiota transfer, permeability and mRNA levels of Occludin, Tpj1, Tpj2 and Mylk as well as Il1b, Il12,

Tnfa and Ifng were assessed (Fig. 5B, C). As

Six weeks after microbiota transfer, permeability and mRNA levels of Occludin, Tpj1, Tpj2 and Mylk as well as Il1b, Il12, Tnfa and Ifng were assessed (Fig. 5B–D). As

 

As illustrated in Fig. 5B, the transfer of T iO2-triggered microbiota dysbiosis to healthy germ-free mice led to significantly increased paracellular intestinal permeability (Fig. 5B),

increased mRNA level of Mylk, and reduced mRNA level of Tjp1 and Tjp2 (Fig. 5C)

As illustrated in Fig. 5B, the transfer of T iO2-triggered microbiota dysbiosis to healthy germ-free mice led to significantly increased paracellular intestinal permeability (Fig. 5B),

increased mRNA level of Mylk, and reduced mRNA level of Tjp1 and Tjp2 (Fig. 5C) in offspring at day 30

 

We observed that alteration of homeostasis of the colonic mucosa related to early life exposure to TiO2O2 did not persist until adult 17 weeks of age as monitored for permeability, cytokine and other inflammatory markers i. e. in the group unchallenged for DSS mice exposed to TiO2 superpose with mice unexposed (Fig. 6; Additional file 7: Fig. S7A)

We observed that alteration of homeostasis of the colonic mucosa related to early life exposure to TiO2 did not persist until adult 17 weeks of age as monitored for permeability, cytokine and other inflammatory markers i. e. in the group unchallenged for DSS mice exposed to TiO2 superpose with mice unexposed (Fig. 6; Additional file 7: Fig. S7)

 

However, as illustrated in Fig. 6B–H, perinatal exposure to TiO2 enhanced significantly the loss of body weight and the DAI induced by DSS

However, as illustrated in Fig. 6B–G, perinatal exposure to TiO2 enhanced significantly the loss of body weight and the DAI induced by DSS. Perinatal

 

Figure 6 Impact of perinatal exposure to foodborne TiO2 on susceptibility to develop colitis later in life. A–G Wild type female mice have been exposed to TiO2 (9 mg/BW/Day) during the perinatal period including gestational and lactating periods (A)

Figure 6 Impact of perinatal exposure to foodborne TiO2 on susceptibility to develop colitis later in life. A–G Wild type female mice have been exposed to TiO2 (9 mg/Kg of BW/Day) during the perinatal period including gestational and lactating periods (A)

 

Perinatal exposure to TiO2 also exacerbated the colitis, as evidenced by a reduced colon length associated with increased colonic mRNA expression and protein levels of IL-1β, IL-4, IL-12, IL-13, IFNγ and TNF-α (Additional file 6: Fig. S6A and additional File 7: FigS7E)

Perinatal exposure to TiO2 also exacerbated the colitis, as evidenced by a reduced colon length associated with increased colonic mRNA expression and protein levels of IL-1β, IL-4, IL-12, IL-13, IFNγ and TNF-α (Additional file 7: Fig. S7)

 

Perinatal exposure to TiO2 also aggravated significantly the alterations of intestinal permeability, as evidenced by an increased Dextran-FITC flux, mRNA expression of MLCK and a reduced mRNA level of Tjp1 (Fig. 6G)

Perinatal exposure to TiO2 also aggravated significantly the alterations of intestinal permeability, as evidenced by an increased 4 kDa Dextran-FITC flux, mRNA expression of MLCK and a reduced mRNA level of Tjp1 (Fig. 6G)

 

In contrast, at the 17th week of life, there was no longer any signifi-cant difference in terms of permeability, cytokine or other inflammatory markers i. e. in the group unchallenged for DSS mice exposed to TiO2 superpose with mice unex-posed (Fig. 7D–H)

In contrast, at the 17th week of life, there was no longer any signifi-cant difference in terms of permeability, cytokine or other inflammatory markers i. e. in the group unchallenged for DSS mice exposed to TiO2 superpose with mice unex-posed (Fig. 7E–G)

 

The colitis was exacerbated in these animals, as evidenced by a reduced colon length associated with increased colonic mRNA expression and protein levels of IL-1β, IL-4, IL-12, IL-13, IFNγ and TNF-α (Additional file 8: Fig. S8 A and Additional file 7: Fig. S7E)

The colitis was exacerbated in these animals, as evidenced by a reduced colon length associated with increased colonic mRNA expression and protein levels of IL-1β, IL-4, IL-12, IL-13, IFNγ and TNF-α (Additional file 8: Fig. S8 and file 7: Fig. 7E)

Discussion

In this study, authors evidenced that foodborne TiO2 parti-cles were able to cross the cotyledon of human placenta while no data are available concerning their potential in vivo passage [42] Moreover, the presence of Ti in the meconium do not indicate if its passage underwent dur-ing gestation and/or the beginning of suckling

In this study, authors evidenced that foodborne TiO2 parti-cles were able to cross the cotyledon of human placenta while no data are available concerning their potential in vivo passage [42]. Moreover, the presence of Ti in the meconium does not indicate if its passage underwent dur-ing gestation and/or the beginning of suckling

 

This bacteria, which resides in the intestinal mucus layer har-bors some virulence traits (type VI secretion system and putative effector proteins) [43], which can trigger CD-like disease in the presence of impaired clearance of the bac-terium by innate immunity [44]

This bacteria, which resides in the intestinal mucus layer har-bors some virulence traits (type VI secretion system and putative effector proteins) [43], which can trigger IBD-like disease in the presence of impaired clearance of the bac-terium by innate immunity [44]

 

The deleterious impact of this microbiota dysbiosis is consistent with other microbiota dysbiosis described to affect the intestinal homeostasis then favouring the development of both inflammation and cancer [29, 47, 48]

The deleterious impact of this microbiota dysbiosis is consistent with other microbiota dysbiosis described to affect the intestinal homeostasis then favouring the development of both inflammation and cancer [30, 47, 48]

 

hese altered mRNA expressions are probably induced and/or linked to the inflammatory context (increased levels of Tnfα, Ifnγ, IL-12 and IL-1β) of the intestinal epithelium perina-tally exposed to TiO2

hese altered mRNA expressions are probably induced and/or linked to the inflammatory context (increased levels of Tnfα, Ifnγ, IL-12 and IL-1β) of the intestinal epithelium perina-tally exposed to TiO2

 

Nevertheless, a recent study has reported that microbiota was able to modulate the epigenic marks on DNA [57]

Nevertheless, a recent study has reported that microbiota was able to modulate the epigenetic marks on DNA [57]

 

In more details, 100 days of TiO2 exposure slightly increase the dendritic cell frequency while it reduces the regulatory T-cells in Peyer’s patches [21]

In more details, 100 days of TiO2 exposure slightly increases the dendritic cell frequency while it reduces the regulatory T-cells in Peyer’s patches [21]

Methods

Pregnant C57BL/6 wild type female mice were exposed to food additive titanium particles (E171; 9 mg/kg of body weight/day) via drinking water until 3 weeks post-delivery and their offspring was analysed at post-natal day (PND) 30 weaning or maintained under such expo-sure until PND50

Pregnant C57BL/6 wild type female mice were exposed to food additive titanium particles (E171; 9 mg/kg of body weight/day) via drinking water until 4 weeks post-delivery and their offspring was analysed at post-natal day (PND) 30 weaning or maintained under such expo-sure until PND50

 

Mice were gavaged with FD4 (10 mg/100 µL per mice; Sigma) 4 h before the sacrifice [ 60]

Mice were gavaged with FD4 (10 mg/100 µL per mice; Sigma) 3 h before the sacrifice [ 60]

 

Permeability was assessed by measuring the mucosal-to-serosal flux of FD4 [30]

Permeability was assessed by measuring the mucosal-to-serosal flux of FD4 [31]

 

Organoid stem cell survival (number of organoids formed), and growth capacity

(organoid area (µm2)) were followed three, six, nine and twelve days after plating with a wide field transmission microscope (Apotome Zeiss, 10X lens)

Organoid stem cell survival (number of organoids formed), and growth capacity

(organoid area (µm2)) were followed three, six and nine days after plating with a wide field transmission microscope (Apotome Zeiss, 10X lens)

Supplementary Information

Additional file 1. Fig. S1: Impact of perinatal exposure to foodborne TiO2O2 on the composition of chemical element of fœtus, spleen and liver from females and pups. (A‑C) Wild type female mice have been exposed to

TiO2 (9 mg/BW/Day)

Additional file 1. Fig. S1: Impact of perinatal exposure to foodborne TiO2 on the composition of chemical element of fœtus, spleen and liver from females and pups. (A‑C) Wild type female mice have been exposed to TiO2 (9 mg/Kg of BW/Day)

 

(A and B) Wild type female mice have been exposed to TiO2 (9 mg/BW/Day) during the

perinatal period including gestational and lactating periods

(A and B) Wild type female mice have been exposed to TiO2O2 (9 mg/Kg of BW/Day) during the perinatal period including gestational and lactating periods

 

A‑E) Wild type female mice have been exposed to TiO2 (9 mg/BW/Day) during the perinatal period including gestational and lactating periods

A‑E) Wild type female mice have been exposed to TiO2 (9 mg/Kg of BW/Day) during the perinatal period including gestational and lactating periods

 

Weaning pups were also exposed to TiO2 (9 mg/BW/Day) until day 50 after birth (A)

Weaning pups were also exposed to TiO2 (9 mg/Kg of BW/Day) until day 50 after birth (A)

 

Then at day 50 after birth, pups have been sacrificed and the structure of the colonic mucosa‑associ‑ ated microbiota has been monitored by 16S rRNA gene sequencing (B‑E)

Then at day 50 after birth, pups have been sacrificed and the structure of the colonic mucosa‑associ‑ ated microbiota has been monitored by 16S rRNA gene sequencing (B‑D)

 

(C‑E) Composition of colonic microbiota at phyla level (C) and Fold changes 2 for bacterial genera significantly perturbed (D and E) from exposed or non‑exposed mice to foodborne TiV at day and 50 after birth

C‑D) Composition of colonic microbiota at phyla level (C) and Fold changes 2 for bacterial genera significantly perturbed (D) from exposed or non‑exposed mice to foodborne TiO2 at day and 50 after birth

 

Additional file 4. Fig. S4: Impact of perinatal exposure to foodborne TiO2 on colonic epithelium at day 50. (A‑D) Wild type female mice have been exposed to TiO2 (9 mg/BW/Day) during the perinatal period including ges‑ tational and lactating periods. Weaning pups were also exposed to TiO2 (9 mg/BW/Day) until day 50 after birth (A‑D)

Additional file 4. Fig. S4: Impact of perinatal exposure to foodborne TiO2 on colonic epithelium at day 50. (A‑D) Wild type female mice have been exposed to TiO2 (9 mg/Kg of BW/Day) during the perinatal period including ges‑ tational and lactating periods. Weaning pups were also exposed to TiO2 (9 mg/Kg of BW/Day) until day 50 after birth (A‑D)

 

(A‑D) Wild type female mice have been exposed to T iO2 (9 mg/BW/Day) during

the perinatal period including gestational and lactating periods. Then, at days 30 or 50 after birth, pups have been sacrificed and several parameters including colonic mRNA expression of mucin 2 (Muc2), mucin 3 (Muc3),mucin 4 (Muc4) and Trefoiled factor 3 (Tff3) (A), faecal levels of lysozyme (B) and IgG (C)

(A‑D) Wild type female mice have been exposed to T iO2 (9 mg/Kg of BW/Day) during

the perinatal period including gestational and lactating periods. Then, at days 30 or 50 after birth, pups have been sacrificed and several parameters including colonic mRNA expression of mucin 2 (Muc2), mucin 3 (Muc3), mucin 4 (Muc4) and Trefoiled factor 3 (Tff3) (A, B), faecal levels of lysozyme (C) and IgG (D)

 

(A‑C) Wild type female mice have been

exposed to TiO2 (9 mg/BW/Day) during the perinatal period including gestational and lactating periods. Weaning pups were also exposed to TiO2 (9 mg/BW/Day) until day 50 after birth

(A‑C) Wild type female mice have been

exposed to TiO2 (9 mg/Kg of BW/Day) during the perinatal period including gestational and lactating periods. Weaning pups were also exposed to TiO2 (9 mg/Kg of BW/Day) until day 50 after birth

 

Wild type female mice have been exposed to TiO2 (9 mg/BW/Day) during the perinatal period including gestational and lactating periods. A

Wild type female mice have been exposed to TiO2 (9 mg/Kg of BW/Day) during the perinatal period including gestational and lactating periods. A

  1. Carlé C, Boucher D, Morelli L, et al. Perinatal foodborne titanium dioxide exposure-mediated dysbiosis predisposes mice to develop colitis through life. Part Fibre Toxicol. 2023;20:45. https://doi.org/10.1186/s12989-023-00555-5.

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Author notes
  1. Delphine Boucher and Luisa Morelli have contributed equally to this work.

  2. Ziad Al Nabhani, and Frédérick Barreau have contributed equally to this work.

Authors and Affiliations

  1. Institut de Recherche en Santé Digestive (IRSD), INSERM UMR-1220, Purpan Hospital, CS60039, University of Toulouse, INSERM, INRAE, ENVT, UPS, 31024, Toulouse Cedex 03, France

    Caroline Carlé, Ekaterina Ovtchinnikova, Louise Battut, Kawthar Boumessid, Melvin Airaud, Muriel Quaranta-Nicaise, Gilles Dietrich, Sandrine Menard, Emmanuel Mas & Frédérick Barreau

  2. M2iSH, Université Clermont Auvergne, UMR1071 INSERM, USC INRAE 1382, Clermont-Ferrand, France

    Delphine Boucher & Nicolas Barnich

  3. Department of Visceral Surgery and Medicine, Bern University Hospital, University of Bern, 3010, Bern, Switzerland

    Luisa Morelli & Ziad Al Nabhani

  4. Maurice Müller Laboratories, Department for Biomedical Research, University of Bern, 3008, Bern, Switzerland

    Luisa Morelli & Ziad Al Nabhani

  5. Laboratoire Ecologie Fonctionnelle et Environnement, Université de Toulouse, CNRS, Toulouse, France

    Camille Larue

  6. Univ. Grenoble-Alpes, CEA, CNRS, IRIG-SyMMES, CIBEST, Grenoble, France

    Jean-Luc Ravanat & Marie Carriere

  7. Institut Pasteur, Microenvironment and Immunity Unit, 75724, Paris, France

    Gérard Eberl

  8. INSERM U1224, Paris, France

    Gérard Eberl

  9. Gastroenterology, Hepatology, Nutrition, Diabetology and Hereditary Metabolic Diseases Unit, Hôpital des Enfants, CHU de Toulouse, 31300, Toulouse, France

    Emmanuel Mas

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Correspondence to Ziad Al Nabhani or Frédérick Barreau.

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Carlé, C., Boucher, D., Morelli, L. et al. Correction: Perinatal foodborne titanium dioxide exposure-mediated dysbiosis predisposes mice to develop colitis through life. Part Fibre Toxicol 21, 11 (2024). https://doi.org/10.1186/s12989-024-00570-0

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来源期刊
CiteScore
15.90
自引率
4.00%
发文量
69
审稿时长
6 months
期刊介绍: Particle and Fibre Toxicology is an online journal that is open access and peer-reviewed. It covers a range of disciplines such as material science, biomaterials, and nanomedicine, focusing on the toxicological effects of particles and fibres. The journal serves as a platform for scientific debate and communication among toxicologists and scientists from different fields who work with particle and fibre materials. The main objective of the journal is to deepen our understanding of the physico-chemical properties of particles, their potential for human exposure, and the resulting biological effects. It also addresses regulatory issues related to particle exposure in workplaces and the general environment. Moreover, the journal recognizes that there are various situations where particles can pose a toxicological threat, such as the use of old materials in new applications or the introduction of new materials altogether. By encompassing all these disciplines, Particle and Fibre Toxicology provides a comprehensive source for research in this field.
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