Nanotoxicology最新文献

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Chemometrical assessment of adverse effects in lung cells induced by vehicle engine emissions. 汽车发动机排放物对肺细胞不良影响的化学计量学评估。
IF 3.6 3区 医学
Nanotoxicology Pub Date : 2025-04-09 DOI: 10.1080/17435390.2025.2489631
Miroslava Nedyalkova, Ruiwen He, Alke Petri-Fink, Barbara Rothen-Rutishauser, Marco Lattuada
{"title":"Chemometrical assessment of adverse effects in lung cells induced by vehicle engine emissions.","authors":"Miroslava Nedyalkova, Ruiwen He, Alke Petri-Fink, Barbara Rothen-Rutishauser, Marco Lattuada","doi":"10.1080/17435390.2025.2489631","DOIUrl":"https://doi.org/10.1080/17435390.2025.2489631","url":null,"abstract":"<p><p>Vehicle engine exhausts contain complex mixtures of gaseous and particulate pollutants, which are known to affect lung functions adversely. Many in vitro studies have shown that exposure to engine exhaust can induce oxidative stress in lung cells, leading to cellular inflammation and cytotoxicity. However, it remains challenging to identify key harmful components and their specific adverse effects via traditional toxicological assessments. Machine learning (ML) methods offer new ways of analyzing such complex datasets and have gained attention in predicting toxicity outcomes and identifying key pollutants in mixtures responsible for adverse effects in a non-biased way. This study aims to understand the contribution of exhaust components to lung cell toxicity using ML techniques. Data were reanalyzed from previous studies (2015-2018), where a 3D human epithelial airway tissue model was exposed to gasoline and diesel engine exhausts under air-liquid interface (ALI) conditions with different fuels and exhaust after-treatment systems. This dataset included exhaust characteristics (particle number (PN), carbon monoxide (CO), total gaseous hydrocarbons (THC), and nitrogen oxides (NO<i>x</i>) levels) and corresponding biological responses (cytotoxicity, oxidative stress, and inflammatory responses). The relationships between pollutants and biological responses were explored using ML techniques, including hierarchical and nonhierarchical clustering and principal component analysis. The findings reveal both gaseous (CO, THC, and NO<i>x</i>) and particulate pollutants contribute to oxidative stress, inflammation, and cytotoxicity in lung cells, highlighting the significant role of each gaseous component. In addition, unmeasured factors beyond CO, THC, NO<i>x</i>, and PN likely contribute to biological effects, indicating the need for a more detailed characterization of exhaust parameters in ML analysis. By successfully integrating ML techniques, this study shows the potential of ML in identifying pollutant-specific contributions to cell toxicity. These insights can guide the analysis of complex exposure scenarios and inform regulatory measures and technical developments in emission control.</p>","PeriodicalId":18899,"journal":{"name":"Nanotoxicology","volume":" ","pages":"1-14"},"PeriodicalIF":3.6,"publicationDate":"2025-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143811794","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The current advancements in chitosan nanoparticles in the management of non-surgical periodontitis treatment.
IF 3.6 3区 医学
Nanotoxicology Pub Date : 2025-03-28 DOI: 10.1080/17435390.2025.2484002
Mehrnaz Sadighi Shamami, Mohammad Ekhlaspour, Jameel M A Sulaiman, Radhwan Abdul Kareem, Nahed Mahmood Ahmed Alsultany, Kamyar Nasiri, Naghmeh Shenasa
{"title":"The current advancements in chitosan nanoparticles in the management of non-surgical periodontitis treatment.","authors":"Mehrnaz Sadighi Shamami, Mohammad Ekhlaspour, Jameel M A Sulaiman, Radhwan Abdul Kareem, Nahed Mahmood Ahmed Alsultany, Kamyar Nasiri, Naghmeh Shenasa","doi":"10.1080/17435390.2025.2484002","DOIUrl":"https://doi.org/10.1080/17435390.2025.2484002","url":null,"abstract":"<p><p>Because of the intricate interactions between bacteria internalization in periodontal cells and chronic inflammatory activation, periodontal disorders remain difficult. Furthermore, the primary cause of adult tooth loss is periodontitis, one of the most common dental disorders worldwide. The key to preventing periodontitis has been to reduce the development of bacteria and the generation of substances that eventually erode the tissue surrounding and supporting the teeth. Furthermore, there are several disadvantages to treating periodontitis with antibiotics administered systemically. A naturally occurring polymer with antibacterial and anti-inflammatory properties is chitosan (CS). CS is highly interested in treating periodontal disease as a medicine carrier due to its actions against anaerobic microorganisms and possible anti-inflammatory properties. Due to the multifactorial pathophysiology of periodontitis, combining antimicrobial medications in a single drug delivery method is preferable to administering them separately since it increases the therapeutic range when numerous organisms are present. As a result, CS-based drug delivery technologies, such as gels, micro, and nanoparticles (NPs), were created to transport drugs to the periodontal pocket over an extended period. This research provides an overview of the existing therapeutic benefits of CSNP on periodontitis. This information might be used to create therapeutic substitutes based on CSNP for treating periodontal infections.</p>","PeriodicalId":18899,"journal":{"name":"Nanotoxicology","volume":" ","pages":"1-35"},"PeriodicalIF":3.6,"publicationDate":"2025-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143730807","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Biokinetics of inhaled silver, gold, copper oxide, and zinc oxide nanoparticles: a review.
IF 3.6 3区 医学
Nanotoxicology Pub Date : 2025-03-10 DOI: 10.1080/17435390.2025.2476994
Niels Hadrup, Ulla Vogel, Nicklas R Jacobsen
{"title":"Biokinetics of inhaled silver, gold, copper oxide, and zinc oxide nanoparticles: a review.","authors":"Niels Hadrup, Ulla Vogel, Nicklas R Jacobsen","doi":"10.1080/17435390.2025.2476994","DOIUrl":"10.1080/17435390.2025.2476994","url":null,"abstract":"<p><p>The understanding of nanomaterial toxicity is aided by biokinetic information pointing to potential target organs. Silver (Ag), copper oxide (CuO), and zinc oxide (ZnO) are often referred to as soluble materials in the literature. In addition, data suggest gold (Au) nanoparticles to be soluble in the mammalian body. We identified inhalation studies on these materials and extracted data on physicochemical properties, organ distribution, and excretion. Silver and gold were retained in the lung for an extended period (>2,000 and >672 hours, respectively); copper initially increased in lung and then returned to baseline at ∼500 hours. Zinc increased in the lungs after short-term exposure to zinc oxide, but not after prolonged exposure. In blood, silver initially increased after inhalation but then gradually declined over ∼200 hours. Gold was elevated in the blood after exposure to 4, 7, 11, and 13 nm particles (but not particles of 20, 34, and 105 nm) and remained elevated for at least 672 hours after exposure to the 4 and 11 nm particles. Silver increased in the liver and spleen and was still present 2,000 hours post exposure. Gold was elevated in several organs, including the spleen and kidney, for more than 600 hours post exposure, indicating persistence in some organs. Both silver and gold were increased in the brain and olfactory bulb. Overall, we found no large differences in the biodistribution of the four nanomaterials but note that silver and gold were still increased in several organs at the last investigated post-exposure time points.</p>","PeriodicalId":18899,"journal":{"name":"Nanotoxicology","volume":" ","pages":"1-31"},"PeriodicalIF":3.6,"publicationDate":"2025-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143597348","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Review of carbonaceous nanoparticles for antibacterial uses in various dental infections.
IF 3.6 3区 医学
Nanotoxicology Pub Date : 2025-03-01 Epub Date: 2025-01-30 DOI: 10.1080/17435390.2025.2454277
Naghmeh Shenasa, Mareb Hamed Ahmed, Radhwan Abdul Kareem, Athmar Jaber Zrzor, Aseel Salah Mansoor, Zainab H Athab, Hannaneh Bayat, Fatemeh Abedi Diznab
{"title":"Review of carbonaceous nanoparticles for antibacterial uses in various dental infections.","authors":"Naghmeh Shenasa, Mareb Hamed Ahmed, Radhwan Abdul Kareem, Athmar Jaber Zrzor, Aseel Salah Mansoor, Zainab H Athab, Hannaneh Bayat, Fatemeh Abedi Diznab","doi":"10.1080/17435390.2025.2454277","DOIUrl":"10.1080/17435390.2025.2454277","url":null,"abstract":"<p><p>The mouth cavity is the second most complex microbial community in the human body. It is composed of bacteria, viruses, fungi, and protozoa. An imbalance in the oral microbiota may lead to various conditions, including caries, soft tissue infections, periodontitis, root canal infections, peri-implantitis (PI), pulpitis, candidiasis, and denture stomatitis. Additionally, several locally administered antimicrobials have been suggested for dentistry in surgical and non-surgical applications. The main drawbacks are increased antimicrobial resistance, the risk of upsetting the natural microbiota, and hypersensitivity responses. Because of their unique physiochemical characteristics, nanoparticles (NPs) can circumvent antibiotic-resistance mechanisms and exert antimicrobial action via a variety of new bactericidal routes. Because of their anti-microbial properties, carbon-based NPs are becoming more and more effective antibacterial agents. Periodontitis, mouth infections, PI, dentin and root infections, and other dental diseases are among the conditions that may be treated using carbon NPs (CNPs) like graphene oxide and carbon dots. An outline of the scientific development of multifunctional CNPs concerning oral disorders will be given before talking about the significant influence of CNPs on dental health. Some of these illnesses include Periodontitis, oral infections, dental caries, dental pulp disorders, dentin and dental root infections, and PI. We also review the remaining research and application barriers for carbon-based NPs and possible future problems.</p>","PeriodicalId":18899,"journal":{"name":"Nanotoxicology","volume":" ","pages":"180-215"},"PeriodicalIF":3.6,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143066848","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Toxicological impact of silver nanoparticles on soil microbial indicators in contaminated soil (pot experiment). 纳米银对污染土壤微生物指标的毒理学影响(盆栽试验)。
IF 3.6 3区 医学
Nanotoxicology Pub Date : 2025-03-01 Epub Date: 2025-01-21 DOI: 10.1080/17435390.2025.2454967
Ali Ashraf Soltani Toularoud, Samira Nasrollahi, Esmaiel Goli Kalanpa, Tohid Rouhi Kelarlou, Ali Nematollahzadeh
{"title":"Toxicological impact of silver nanoparticles on soil microbial indicators in contaminated soil (pot experiment).","authors":"Ali Ashraf Soltani Toularoud, Samira Nasrollahi, Esmaiel Goli Kalanpa, Tohid Rouhi Kelarlou, Ali Nematollahzadeh","doi":"10.1080/17435390.2025.2454967","DOIUrl":"10.1080/17435390.2025.2454967","url":null,"abstract":"<p><p>Silver nanoparticles (AgNPs), recognized for their unique properties, are widely applied in fields such as agriculture, biotechnology, food security, and medicine. However, concerns persist regarding their interactions with living organisms and potential environmental impacts. This study investigates the effects of AgNPs on key soil microbial indicators that are essential for ecological functioning. A pot experiment was conducted with varying concentrations of AgNPs (0, 30, 60, 120, 240 mg kg<sup>-1</sup>) and incubation periods (0, 15, 30, and 45 days). The results demonstrated a substantial reduction in microbial indicators, including bacterial and fungal colony-forming units (B.CFUs and F.CFUs), total microbial population (MPN), microbial basal respiration (BR), substrate-induced respiration (SIR), and microbial biomass carbon and nitrogen (MBC and MBN). These declines were more pronounced with increasing AgNP concentrations and prolonged incubation times, particularly within the first 15 days. Notably, even at lower concentrations, AgNPs exhibited significant toxicity to microbial indicators. The most severe impact was observed at 240 mg kg<sup>-1</sup> of AgNPs after 45 days, where B.CFUs, F.CFUs, MPN, MBC, and MBN showed substantial declines, with the greatest reduction at the highest concentration. Additionally, the microbial quotient (qmic) decreased by 66%, and variations in the respiratory quotient (qCO<sub>2</sub>) were observed. Strong positive correlations were found among the microbial indicators, highlighting their interconnected responses to AgNP exposure. Overall, the study emphasizes the significant toxicity of AgNPs, raising concerns about their potential to disrupt soil ecosystems.</p>","PeriodicalId":18899,"journal":{"name":"Nanotoxicology","volume":" ","pages":"216-231"},"PeriodicalIF":3.6,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143008629","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effects of titanium oxide nanoparticles on growth, biochemical composition, and photosystem mechanism of marine microalgae Isochrysis galbana COR-A3.
IF 3.6 3区 医学
Nanotoxicology Pub Date : 2025-03-01 Epub Date: 2025-01-30 DOI: 10.1080/17435390.2025.2454267
Manikandan Sivakumar, Inbakandan Dhinakarasamy, Subham Chakraborty, Clarita Clements, Naren Kumar Thirumurugan, Anu Chandrasekar, Jeevitha Vinayagam, Chandrasekar Kumar, Rajendar Thirugnanasambandam, Ramesh Kumar V, Valli Nachiyar Chandrasekaran
{"title":"Effects of titanium oxide nanoparticles on growth, biochemical composition, and photosystem mechanism of marine microalgae <i>Isochrysis galbana</i> COR-A3.","authors":"Manikandan Sivakumar, Inbakandan Dhinakarasamy, Subham Chakraborty, Clarita Clements, Naren Kumar Thirumurugan, Anu Chandrasekar, Jeevitha Vinayagam, Chandrasekar Kumar, Rajendar Thirugnanasambandam, Ramesh Kumar V, Valli Nachiyar Chandrasekaran","doi":"10.1080/17435390.2025.2454267","DOIUrl":"10.1080/17435390.2025.2454267","url":null,"abstract":"<p><p>The widespread utilization of titanium oxide nanoparticles (TiONPs) in various industrial applications has raised concerns about their potential ecological risks in marine environment. Assessing the toxicity of TiONPs on primary producers is essential to understand their impact on marine ecosystem. This study investigates the acute toxicity effect of TiONPs on <i>Isochrysis galbana</i> COR-A3 cells, focusing on structural and physiological changes that can compromise algal viability and ecological function. Cells were exposed to TiONPs concentration of 10-50 mg/L and assessments were conducted over 96 h to evaluate cell viability, biochemical composition, photo-physiology, oxidative stress and morphological deformations. At 50 mg/L concentration, cell viability was significantly reduced by 73.42 ± 3.46% and subsequent decrease of 42.8%, 29.2%, 44.2% in carbohydrate, protein and lipid content were observed. TiONPs exposure elevates the reactive oxygen species production and thereby impairing the photosystem II efficiency and disrupting the cellular metabolism. Morphological analysis revealed significant cell membrane disruption and plasmolysis. These cascading effects reveal TiONPs ability to interfere with algal physiological process, potentially affecting the primary productivity in marine ecosystem. Our findings highlight the ecological risk associated with the TiONPs, emphasizing the need for regulatory measures to mitigate the nanoparticle pollution in aquatic environment. This study provides more insights on the TiONPs induced toxicity in marine microalgae by altering the photosynthetic performance and biochemical integrity.</p>","PeriodicalId":18899,"journal":{"name":"Nanotoxicology","volume":" ","pages":"156-179"},"PeriodicalIF":3.6,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143066846","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Protective effects of quercetin on intestinal barrier and cellular viability against silver nanoparticle exposure: insights from an intestinal co-culture model.
IF 3.6 3区 医学
Nanotoxicology Pub Date : 2025-03-01 Epub Date: 2025-02-03 DOI: 10.1080/17435390.2025.2450372
Adelaide Sousa, Angela A M Kämpfer, Roel P F Schins, Félix Carvalho, Eduarda Fernandes, Marisa Freitas
{"title":"Protective effects of quercetin on intestinal barrier and cellular viability against silver nanoparticle exposure: insights from an intestinal co-culture model.","authors":"Adelaide Sousa, Angela A M Kämpfer, Roel P F Schins, Félix Carvalho, Eduarda Fernandes, Marisa Freitas","doi":"10.1080/17435390.2025.2450372","DOIUrl":"10.1080/17435390.2025.2450372","url":null,"abstract":"<p><p>The intestinal epithelium plays a pivotal role as a vital barrier between the external environment and the human body, regulating nutrient absorption and preventing the entry of harmful substances. The human oral exposure to silver nanoparticles (AgNP) raises concerns about their potential toxicity, especially at the intestinal level. The objective of this work was to investigate the potential pro-inflammatory effects of polyvinylpyrrolidone (PVP)-AgNP of two different sizes, 5 and 50 nm, at the intestinal level, while also assessing the protective ability of quercetin against these effects. To address this, an intestinal co-culture model comprising C2BBe1 cells and THP-1 derived macrophages was established, and the effects of 5 or 50 nm PVP-AgNP were studied, alone or in combination with quercetin, over two-time points, 4 and 24 hours. PVP-AgNP, of both sizes, disrupted the barrier integrity within 4 hours of exposure. However, a notable intensification in pro-inflammatory effects was evident only after 24 hours of exposure, especially with smaller PVP-AgNP (5 nm). This resulted in heightened cellular death, increased levels of reactive species, activation of nuclear factor kappa B (NF-кB), and production of interleukin (IL)-8. Quercetin demonstrates the ability to maintain barrier integrity and mitigate oxidative stress, thereby offering protection against the detrimental effects induced by AgNP at the intestinal level.</p>","PeriodicalId":18899,"journal":{"name":"Nanotoxicology","volume":" ","pages":"141-155"},"PeriodicalIF":3.6,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143080675","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Fullerenes in vivo. Toxicity and protective effects.
IF 3.6 3区 医学
Nanotoxicology Pub Date : 2025-02-27 DOI: 10.1080/17435390.2025.2471273
Olga Bolshakova, Olga Zherebyatieva, Svetlana V Sarantseva
{"title":"Fullerenes in vivo. Toxicity and protective effects.","authors":"Olga Bolshakova, Olga Zherebyatieva, Svetlana V Sarantseva","doi":"10.1080/17435390.2025.2471273","DOIUrl":"https://doi.org/10.1080/17435390.2025.2471273","url":null,"abstract":"<p><p>The data available in the literature on the toxicity of fullerenes are numerous but contradictory. The ambiguity of research results hinders the transition from scientific research to real-world drug development. The ability of fullerenes to accumulate in some organs and tissues is interpreted in most cases as their disadvantage, while a number of studies have shown that there is no relationship between the accumulation of fullerenes and toxic effects. Moreover, fullerenes often exert potent protective effects. The pharmacokinetics and toxicity of fullerenes depend on the route of administration and are closely related to their functionalization, since pristine fullerenes are generally harmless. These factors, as well as the risk-benefit ratio, need to be considered when developing fullerene-based drugs. In this review, open-source data on <i>in vivo</i> toxicity, biodistribution, metabolism, and some protective properties of both native fullerene and a number of its derivatives are collected and analyzed. The problems and prospects for using fullerenes through various methods of delivery to the body, such as through the gastrointestinal tract, intravenous administration, intraperitoneal administration, dermal application or respiratory exposure are described.</p>","PeriodicalId":18899,"journal":{"name":"Nanotoxicology","volume":" ","pages":"1-26"},"PeriodicalIF":3.6,"publicationDate":"2025-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143523995","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On how titanium dioxide nanoparticles attenuate the toxicity of mercuric chloride to Artemia salina: investigation of fatty acid composition, oxidative stress, and lipid peroxidation. 二氧化钛纳米颗粒如何减弱氯化汞对盐渍蒿的毒性:脂肪酸组成、氧化应激和脂质过氧化的研究。
IF 3.6 3区 医学
Nanotoxicology Pub Date : 2025-02-01 Epub Date: 2025-01-15 DOI: 10.1080/17435390.2025.2452854
Masoumeh Mohammadi, Zahra Ghasemi, Iman Sourinejad
{"title":"On how titanium dioxide nanoparticles attenuate the toxicity of mercuric chloride to <i>Artemia salina</i>: investigation of fatty acid composition, oxidative stress, and lipid peroxidation.","authors":"Masoumeh Mohammadi, Zahra Ghasemi, Iman Sourinejad","doi":"10.1080/17435390.2025.2452854","DOIUrl":"10.1080/17435390.2025.2452854","url":null,"abstract":"<p><p>Titanium dioxide nanoparticles (TiO<sub>2</sub>NPs) as an emerging pollutant in aquatic environments can interact with metals reducing or enhancing their toxicity in these environments. This study examined and compared the toxic effects of mercury ions (Hg<sup>2+</sup> ions) on immobilization percentage, fatty acid profile, and oxidative stress of <i>Artemia salina</i> nauplii, individually (Hg) and simultaneously in the presence of 0.10 mg.L<sup>-1</sup> (Hg-0.1TiO<sub>2</sub>NPs) and 1.00 mg.L<sup>-1</sup> TiO<sub>2</sub>NPs (Hg-1TiO<sub>2</sub>NPs). The interaction between Hg<sup>2+</sup> ions and TiO<sub>2</sub>NPs was evaluated using DLS and AAS-VGA. Simultaneous exposures exhibited an unexpected dual effect on <i>A. salina</i> nauplii. A synergistic effect was observed in Hg-0.1TiO<sub>2</sub>NPs, while increasing the TiO<sub>2</sub>NPs concentration in Hg-1TiO<sub>2</sub>NPs prevented the synergy of the mixture compounds offering an antagonistic effect on nauplii. This dual effect was assigned to a greater number of available active sites and agglomeration of TiO<sub>2</sub>NPs at higher concentrations. Oxidative stress and lipid peroxidation induced by Hg were diminished in Hg-1TiO<sub>2</sub>NPs in line with the immobilization results. In Hg, total amounts of saturated fatty acids (∑SFA) increased while total monounsaturated (∑MUFA) and total polyunsaturated (∑PUFA) ones decreased compared with the control. However, they showed no significant change considering the control in Hg-1TiO<sub>2</sub>NPs, again confirming the antagonistic effect on nauplii. The unsaturated to saturated fatty acids ratio decreased in both Hg and Hg-1TiO<sub>2</sub>NPs compared with the control, however, this reduction in Hg-1TiO<sub>2</sub>NPs was lower than in Hg. The present results emphasized getting a more comprehensive understanding of how TiO<sub>2</sub>NPs impact the bioavailability and toxicity of co-contaminants through their combined effects and interactions.</p>","PeriodicalId":18899,"journal":{"name":"Nanotoxicology","volume":" ","pages":"84-99"},"PeriodicalIF":3.6,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142983134","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Plastic nanoparticle toxicity is accentuated in the immune-competent inflamed intestinal tri-culture cell model. 塑料纳米颗粒毒性在免疫能力炎症肠三培养细胞模型中被强化。
IF 3.6 3区 医学
Nanotoxicology Pub Date : 2025-02-01 Epub Date: 2025-01-22 DOI: 10.1080/17435390.2025.2452851
Carmella St Pierre, Peter A Caradonna, Megan Steele, Steven C Sutton
{"title":"Plastic nanoparticle toxicity is accentuated in the immune-competent inflamed intestinal tri-culture cell model.","authors":"Carmella St Pierre, Peter A Caradonna, Megan Steele, Steven C Sutton","doi":"10.1080/17435390.2025.2452851","DOIUrl":"10.1080/17435390.2025.2452851","url":null,"abstract":"<p><p><b>Introduction:</b> Important cell-based models of intestinal inflammation have been advanced in hopes of predicting the impact of nanoparticles on disease. We sought to determine whether a high level and extended exposure of nanoplastic might result in the added intestinal inflammation caused by nanoplastic reported in a mouse model of irritable bowel disease. <b>Methods:</b> The cell models consist of a Transwell©-type insert with a filter membrane upon which lies a biculture monolayer of Caco-2 and HT29-MTX-E12 made up the barrier cells (apical compartment). This monolayer was exposed to digested 40 nm diameter polymethacrylate (PMA) with surface-functionalized COOH (PMA-) or NH<sub>2</sub> (PMA+) at a 'low level' (143 µg/cm<sup>2</sup> monolayer surface area) or 'high level' (571 µg/cm<sup>2</sup>) for 24 or 48 h. Beyond the apical compartment in the well of the tissue culture plate, was a monolayer of macrophages, previously differentiated from THP-1 cells (basolateral compartment). Thus, the immune competent tri-cultures were examined as two models: healthy and inflamed. The inflamed model, the barrier cell monolayer having been previously activated with IFN-γ and the macrophages having been previously activated with IFN-γ and LPS expressed a greater secretion of pro-inflammation cytokines. <b>Results:</b> Sedimentation, Diffusion and Dosimetry model (ISDD) simulated that 8%-12% of the PMA was deposited onto the barrier cell monolayer in 24-48-h. The structure of the barrier cells in the inflamed model was disorganized for both PMA, high level, 48-h experiments. While neither the amount of PMA nor the exposure duration influenced the lactate dehydrogenase (LDH) secretion in the healthy model, only the high levels of both PMA- and PMA+ in 48-h exposure experiments resulted in a significantly increased LDH secreted by the barrier cells in the inflamed model, compared to inflamed control. This study is the first to show an additive inflammation of nanoplastic in an inflamed intestinal model of the intestine.</p>","PeriodicalId":18899,"journal":{"name":"Nanotoxicology","volume":" ","pages":"69-83"},"PeriodicalIF":3.6,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143008623","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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