Gut MicrobesPub Date : 2024-01-18DOI: 10.1080/19490976.2024.2302801
Romeesa Khan, Claudia M. Di Gesù, Juneyoung Lee, Louise D. McCullough
{"title":"The contribution of age-related changes in the gut-brain axis to neurological disorders","authors":"Romeesa Khan, Claudia M. Di Gesù, Juneyoung Lee, Louise D. McCullough","doi":"10.1080/19490976.2024.2302801","DOIUrl":"https://doi.org/10.1080/19490976.2024.2302801","url":null,"abstract":"Trillions of microbes live symbiotically in the host, specifically in mucosal tissues such as the gut. Recent advances in metagenomics and metabolomics have revealed that the gut microbiota plays a...","PeriodicalId":12909,"journal":{"name":"Gut Microbes","volume":"132 1","pages":""},"PeriodicalIF":12.2,"publicationDate":"2024-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139489563","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Gut MicrobesPub Date : 2024-01-13DOI: 10.1080/19490976.2023.2297837
Dhrati V. Patangia, Ghjuvan Grimaud, Shaopu Wang, R. Paul Ross, Catherine Stanton
{"title":"Influence of age, socioeconomic status, and location on the infant gut resistome across populations","authors":"Dhrati V. Patangia, Ghjuvan Grimaud, Shaopu Wang, R. Paul Ross, Catherine Stanton","doi":"10.1080/19490976.2023.2297837","DOIUrl":"https://doi.org/10.1080/19490976.2023.2297837","url":null,"abstract":"Antibiotic resistance is a growing global concern, with many ecological niches showing a high abundance of antibiotic resistance genes (ARGs), including the human gut. With increasing indications o...","PeriodicalId":12909,"journal":{"name":"Gut Microbes","volume":"15 1","pages":""},"PeriodicalIF":12.2,"publicationDate":"2024-01-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139435385","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Gut MicrobesPub Date : 2024-01-03DOI: 10.1080/19490976.2023.2295394
Feiling Huang, Ying Cao, Jinghui Liang, Ruiyi Tang, Si Wu, Peng Zhang, Rong Chen
{"title":"The influence of the gut microbiome on ovarian aging","authors":"Feiling Huang, Ying Cao, Jinghui Liang, Ruiyi Tang, Si Wu, Peng Zhang, Rong Chen","doi":"10.1080/19490976.2023.2295394","DOIUrl":"https://doi.org/10.1080/19490976.2023.2295394","url":null,"abstract":"Ovarian aging occurs prior to the aging of other organ systems and acts as the pacemaker of the aging process of multiple organs. As life expectancy has increased, preventing ovarian aging has beco...","PeriodicalId":12909,"journal":{"name":"Gut Microbes","volume":"135 1","pages":""},"PeriodicalIF":12.2,"publicationDate":"2024-01-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139081578","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Gut MicrobesPub Date : 2024-01-01Epub Date: 2023-12-20DOI: 10.1080/19490976.2023.2290344
Mengfan Ding, Bowen Li, Haiqin Chen, Dong Liang, R Paul Ross, Catherine Stanton, Jianxin Zhao, Wei Chen, Bo Yang
{"title":"Human breastmilk-derived <i>Bifidobacterium longum</i> subsp. <i>infantis</i> CCFM1269 regulates bone formation by the GH/IGF axis through PI3K/AKT pathway.","authors":"Mengfan Ding, Bowen Li, Haiqin Chen, Dong Liang, R Paul Ross, Catherine Stanton, Jianxin Zhao, Wei Chen, Bo Yang","doi":"10.1080/19490976.2023.2290344","DOIUrl":"10.1080/19490976.2023.2290344","url":null,"abstract":"<p><p><i>Bifidobacterium longum</i> subsp. <i>infantis</i> is a prevalent member of the gut microbiota of breastfed infants. In this study, the effects of human breastmilk-derived <i>B.longum</i> subsp. <i>infantis</i> CCFM1269 on bone formation in developing BALB/c mice were investigated. Newborn female and male mice were assigned to control group (administered saline), CCFM11269 group (administered <i>B. longum</i> subsp. <i>infantis</i> CCFM1269, 1 × 10<sub>9</sub> CFU/mouse/day) and I5TI group (administered <i>B. longum</i> subsp. <i>infantis</i> I5TI, 1 × 10<sub>9</sub> CFU/mouse/day) from 1-week-old to 3-, 4- and 5-week old. <i>B. longum</i> subsp. <i>infantis</i> I5TI served as a negative control in this study. The results demonstrated that <i>B. longum</i> subsp. <i>infantis</i> CCFM1269 promoted bone formation in growing mice by modulating the composition of the gut microbiota and metabolites. The expression of genes and proteins in the PI3K/AKT pathway was stimulated by <i>B. longum</i> subsp. <i>infantis</i> CCFM1269 through the GH/IGF-1 axis in growing mice. This finding suggests <i>B. longum</i> subsp. <i>infantis</i> CCFM1269 may be useful for modulating bone metabolism during growth.</p>","PeriodicalId":12909,"journal":{"name":"Gut Microbes","volume":"16 1","pages":"2290344"},"PeriodicalIF":12.2,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10761167/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138803166","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Gut MicrobesPub Date : 2024-01-01Epub Date: 2023-12-21DOI: 10.1080/19490976.2023.2295384
Camille Martin-Gallausiaux, Laurène Salesse, Diego Garcia-Weber, Ludovica Marinelli, Fabienne Beguet-Crespel, Vincent Brochard, Camille Le Gléau, Alexandre Jamet, Joël Doré, Hervé M Blottière, Cécile Arrieumerlou, Nicolas Lapaque
{"title":"<i>Fusobacterium nucleatum</i> promotes inflammatory and anti-apoptotic responses in colorectal cancer cells via ADP-heptose release and ALPK1/TIFA axis activation.","authors":"Camille Martin-Gallausiaux, Laurène Salesse, Diego Garcia-Weber, Ludovica Marinelli, Fabienne Beguet-Crespel, Vincent Brochard, Camille Le Gléau, Alexandre Jamet, Joël Doré, Hervé M Blottière, Cécile Arrieumerlou, Nicolas Lapaque","doi":"10.1080/19490976.2023.2295384","DOIUrl":"10.1080/19490976.2023.2295384","url":null,"abstract":"<p><p>The anaerobic bacterium <i>Fusobacterium nucleatum</i> is significantly associated with human colorectal cancer (CRC) and is considered a significant contributor to the disease. The mechanisms underlying the promotion of intestinal tumor formation by <i>F. nucleatum</i> have only been partially uncovered. Here, we showed that <i>F. nucleatum</i> releases a metabolite into the microenvironment that strongly activates NF-κB in intestinal epithelial cells via the ALPK1/TIFA/TRAF6 pathway. Furthermore, we showed that the released molecule had the biological characteristics of ADP-heptose. We observed that <i>F. nucleatum</i> induction of this pathway increased the expression of the inflammatory cytokine IL-8 and two anti-apoptotic genes known to be implicated in CRC, <i>BIRC3</i> and <i>TNFAIP3</i>. Finally, it promoted the survival of CRC cells and reduced 5-fluorouracil chemosensitivity <i>in vitro</i>. Taken together, our results emphasize the importance of the ALPK1/TIFA pathway in <i>Fusobacterium</i> induced-CRC pathogenesis, and identify the role of ADP-H in this process.</p>","PeriodicalId":12909,"journal":{"name":"Gut Microbes","volume":"16 1","pages":"2295384"},"PeriodicalIF":12.2,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10761154/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138829420","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Probiotic <i>Lactobacillus</i> spp. improves <i>Drosophila</i> memory by increasing lactate dehydrogenase levels in the brain mushroom body neurons.","authors":"Shuk-Man Ho, Wan-Hua Tsai, Chih-Ho Lai, Meng-Hsuan Chiang, Wang-Po Lee, Hui-Yu Wu, Pei-Yi Bai, Tony Wu, Chia-Lin Wu","doi":"10.1080/19490976.2024.2316533","DOIUrl":"10.1080/19490976.2024.2316533","url":null,"abstract":"<p><p>Probiotics are live microorganisms that offer potential benefits to their hosts and can occasionally influence behavioral responses. However, the detailed mechanisms by which probiotics affect the behavior of their hosts and the underlying biogenic effects remain unclear. Lactic acid bacteria, specifically <i>Lactobacillus</i> spp. are known probiotics. <i>Drosophila melanogaster</i>, commonly known as the fruit fly, is a well-established model organism for investigating the interaction between the host and gut microbiota in translational research. Herein, we showed that 5-day administration of <i>Lactobacillus acidophilus</i> (termed GMNL-185) or <i>Lacticaseibacillus rhamnosus</i> (termed GMNL-680) enhances olfactory-associative memory in <i>Drosophila</i>. Moreover, a combined diet of GMNL-185 and GMNL-680 demonstrated synergistic effects on memory functions. Live brain imaging revealed a significant increase in calcium responses to the training odor in the mushroom body β and γ lobes of flies that underwent mixed feeding with GMNL-185 and GMNL-680. Quantitative reverse transcription polymerase chain reaction (qRT-PCR) and whole-mount brain immunohistochemistry revealed significant upregulation of lactate dehydrogenase (LDH) expression in the fly brain following the mixed feeding. Notably, the genetic knockdown of <i>Ldh</i> in neurons, specifically in mushroom body, ameliorated the beneficial effects of mixed feeding with GMNL-185 and GMNL-680 on memory improvement. Altogether, our results demonstrate that supplementation with <i>L. acidophilus</i> and <i>L. rhamnosus</i> enhances memory functions in flies by increasing brain LDH levels.</p>","PeriodicalId":12909,"journal":{"name":"Gut Microbes","volume":"16 1","pages":"2316533"},"PeriodicalIF":12.2,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10877976/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139899703","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Gut MicrobesPub Date : 2024-01-01Epub Date: 2024-02-23DOI: 10.1080/19490976.2024.2319889
Won Jun Kim, Bum Ju Kil, Chaewon Lee, Tae Young Kim, Goeun Han, Yukyung Choi, Kyunghwan Kim, Chang Hun Shin, Seung-Young Park, Heebal Kim, Myunghoo Kim, Chul Sung Huh
{"title":"<i>B. longum</i> CKD1 enhances the efficacy of anti-diabetic medicines through upregulation of IL- 22 response in type 2 diabetic mice.","authors":"Won Jun Kim, Bum Ju Kil, Chaewon Lee, Tae Young Kim, Goeun Han, Yukyung Choi, Kyunghwan Kim, Chang Hun Shin, Seung-Young Park, Heebal Kim, Myunghoo Kim, Chul Sung Huh","doi":"10.1080/19490976.2024.2319889","DOIUrl":"10.1080/19490976.2024.2319889","url":null,"abstract":"<p><p>The gut microbiota plays a pivotal role in metabolic disorders, notably type 2 diabetes mellitus (T2DM). In this study, we investigated the synergistic potential of combining the effects of <i>Bifidobacterium longum</i> NBM7-1 (CKD1) with anti-diabetic medicines, Lobeglitazone<sup>Ⓡ</sup> (LO), Sitagliptin<sup>Ⓡ</sup> (SI), and Metformin<sup>Ⓡ</sup> (Met), to alleviate hyperglycemia in a diabetic mouse model. CKD1 effectively mitigated insulin resistance, hepatic steatosis, and enhanced pancreatic β-cell function, as well as fortifying gut-tight junction integrity. In the same way, SI-CKD1 and Met- CKD1 synergistically improved insulin sensitivity and prevented hepatic steatosis, as evidenced by the modulation of key genes associated with insulin signaling, β-oxidation, gluconeogenesis, adipogenesis, and inflammation by qRT-PCR. The comprehensive impact on modulating gut microbiota composition was observed, particularly when combined with Metformin<sup>Ⓡ</sup>. This combination induced an increase in the abundance of <i>Rikenellaceae</i> and <i>Alistipes</i> related negatively to the T2DM incidence while reducing the causative species of <i>Cryptosporangium, Staphylococcaceae</i>, and <i>Muribaculaceae</i>. These alterations intervene in gut microbiota metabolites to modulate the level of butyrate, indole-3-acetic acid, propionate, and inflammatory cytokines and to activate the IL-22 pathway. However, it is meaningful that the combination of <i>B. longum</i> NBM7-1(CKD1) reduced the medicines' dose to the level of the maximal inhibitory concentrations (IC50). This study advances our understanding of the intricate relationship between gut microbiota and metabolic disorders. We expect this study to contribute to developing a prospective therapeutic strategy modulating the gut microbiota.</p>","PeriodicalId":12909,"journal":{"name":"Gut Microbes","volume":"16 1","pages":"2319889"},"PeriodicalIF":12.2,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10896159/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139930916","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Gut MicrobesPub Date : 2024-01-01Epub Date: 2024-02-23DOI: 10.1080/19490976.2024.2314201
Sirena C Tran, Kaeli N Bryant, Timothy L Cover
{"title":"The <i>Helicobacter pylori cag</i> pathogenicity island as a determinant of gastric cancer risk.","authors":"Sirena C Tran, Kaeli N Bryant, Timothy L Cover","doi":"10.1080/19490976.2024.2314201","DOIUrl":"10.1080/19490976.2024.2314201","url":null,"abstract":"<p><p><i>Helicobacter pylori</i> strains can be broadly classified into two groups based on whether they contain or lack a chromosomal region known as the <i>cag</i> pathogenicity island (<i>cag</i> PAI). Colonization of the human stomach with <i>cag</i> PAI-positive strains is associated with an increased risk of gastric cancer and peptic ulcer disease, compared to colonization with <i>cag</i> PAI-negative strains. The <i>cag</i> PAI encodes a secreted effector protein (CagA) and components of a type IV secretion system (Cag T4SS) that delivers CagA and non-protein substrates into host cells. Animal model experiments indicate that CagA and the Cag T4SS stimulate a gastric mucosal inflammatory response and contribute to the development of gastric cancer. In this review, we discuss recent studies defining structural and functional features of CagA and the Cag T4SS and mechanisms by which <i>H. pylori</i> strains containing the <i>cag</i> PAI promote the development of gastric cancer and peptic ulcer disease.</p>","PeriodicalId":12909,"journal":{"name":"Gut Microbes","volume":"16 1","pages":"2314201"},"PeriodicalIF":12.2,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10896142/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139930917","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Gut MicrobesPub Date : 2024-01-01Epub Date: 2024-03-04DOI: 10.1080/19490976.2024.2323234
Ye Peng, Hein M Tun, Siew C Ng, Hogan Kok-Fung Wai, Xi Zhang, Jaclyn Parks, Catherine J Field, Piush Mandhane, Theo J Moraes, Elinor Simons, Stuart E Turvey, Padmaja Subbarao, Jeffrey R Brook, Tim K Takaro, James A Scott, Francis Kl Chan, Anita L Kozyrskyj
{"title":"Maternal smoking during pregnancy increases the risk of gut microbiome-associated childhood overweight and obesity.","authors":"Ye Peng, Hein M Tun, Siew C Ng, Hogan Kok-Fung Wai, Xi Zhang, Jaclyn Parks, Catherine J Field, Piush Mandhane, Theo J Moraes, Elinor Simons, Stuart E Turvey, Padmaja Subbarao, Jeffrey R Brook, Tim K Takaro, James A Scott, Francis Kl Chan, Anita L Kozyrskyj","doi":"10.1080/19490976.2024.2323234","DOIUrl":"10.1080/19490976.2024.2323234","url":null,"abstract":"<p><p>Childhood obesity is linked to maternal smoking during pregnancy. Gut microbiota may partially mediate this association and could be potential targets for intervention; however, its role is understudied. We included 1,592 infants from the Canadian Healthy Infants Longitudinal Development Cohort. Data on environmental exposure and lifestyle factors were collected prenatally and throughout the first three years. Weight outcomes were measured at one and three years of age. Stool samples collected at 3 and 12 months were analyzed by sequencing the V4 region of 16S rRNA to profile microbial compositions and magnetic resonance spectroscopy to quantify the metabolites. We showed that quitting smoking during pregnancy did not lower the risk of offspring being overweight. However, exclusive breastfeeding until the third month of age may alleviate these risks. We also reported that maternal smoking during pregnancy significantly increased Firmicutes abundance and diversity. We further revealed that Firmicutes diversity mediates the elevated risk of childhood overweight and obesity linked to maternal prenatal smoking. This effect possibly occurs through excessive microbial butyrate production. These findings add to the evidence that women should quit smoking before their pregnancies to prevent microbiome-mediated childhood overweight and obesity risk, and indicate the potential obesogenic role of excessive butyrate production in early life.</p>","PeriodicalId":12909,"journal":{"name":"Gut Microbes","volume":"16 1","pages":"2323234"},"PeriodicalIF":12.2,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10913716/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140021581","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}