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Zhang Y, Li X, Lu S, Guo H, Zhang Z, Zheng H, Zhang C, Zhang J, Wang K, Pei F, Duan L. Stress triggers gut dysbiosis via CRH-CRHR1-mitochondria pathway. NPJ Biofilms Microbiomes 2024; 10:93. [PMID: 39349483 PMCID: PMC11442948 DOI: 10.1038/s41522-024-00571-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2024] [Accepted: 09/16/2024] [Indexed: 10/02/2024] Open
Abstract
Stress can lead to gut dysbiosis in brain-gut axis disordered diseases as irritable bowel syndrome (IBS), yet the mechanisms how stress transfer from the brain to the gut and disrupt gut microbiota remain elusive. Here we describe a stress-responsive brain-to-gut axis which impairs colonocytes' mitochondria to trigger gut dysbiosis. Patients with IBS exhibit significantly increased facultative anaerobes and decreased obligate anaerobes, related to increased serum corticotropin-releasing hormone (CRH) level and defected colonocytes' mitochondria ultrastructure. Mice exposed to acute stress experienced enhanced CRH-CRH receptor type 1 (CRHR1) signaling, which impaired mitochondria and epithelium hypoxia in the colon, subsequently triggered gut dysbiosis. Antagonizing CRHR1 expression to inhibit cAMP/Ras/MAPK signaling or activating mitochondria respiration conferred resilience against stress-induced mitochondria damaging and epithelium hypoxia impairment, ultimately improving gut dysbiosis. These results suggest that the CRH-CRHR1-mitochondria pathway plays a pivotal role in stress-induced gut dysbiosis that could be therapeutically targeted for stress-induced gastrointestinal diseases. Yiming Zhang et.al report that psychological stress activated Corticotropin-releasing hormone (CRH)-CRH receptor type 1 (CRHR1)-mitochondria pathway to trigger gut dysbiosis and reveal CRHR1 upregulation damages mitochondria via cAMP/Ras/MAPK signaling in colonocytes.
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Affiliation(s)
- Yiming Zhang
- Department of Gastroenterology, Peking University Third Hospital, Haidian District, Beijing, China
- Beijing Key Laboratory for Helicobacter pylori Infection and Upper Gastrointestinal Diseases, Haidian District, Beijing, China
| | - Xiaoang Li
- Department of Gastroenterology, Peking University Third Hospital, Haidian District, Beijing, China
- Beijing Key Laboratory for Helicobacter pylori Infection and Upper Gastrointestinal Diseases, Haidian District, Beijing, China
| | - Siqi Lu
- Department of Gastroenterology, Peking University Third Hospital, Haidian District, Beijing, China
- Beijing Key Laboratory for Helicobacter pylori Infection and Upper Gastrointestinal Diseases, Haidian District, Beijing, China
| | - Huaizhu Guo
- Department of Gastroenterology, Peking University Third Hospital, Haidian District, Beijing, China
- Beijing Key Laboratory for Helicobacter pylori Infection and Upper Gastrointestinal Diseases, Haidian District, Beijing, China
| | - Zhuangyi Zhang
- Department of Gastroenterology, Peking University Third Hospital, Haidian District, Beijing, China
- Beijing Key Laboratory for Helicobacter pylori Infection and Upper Gastrointestinal Diseases, Haidian District, Beijing, China
| | - Haonan Zheng
- Department of Gastroenterology, Peking University Third Hospital, Haidian District, Beijing, China
- Beijing Key Laboratory for Helicobacter pylori Infection and Upper Gastrointestinal Diseases, Haidian District, Beijing, China
| | - Cunzheng Zhang
- Department of Gastroenterology, Peking University Third Hospital, Haidian District, Beijing, China
- Beijing Key Laboratory for Helicobacter pylori Infection and Upper Gastrointestinal Diseases, Haidian District, Beijing, China
| | - Jindong Zhang
- Department of Gastroenterology, Peking University Third Hospital, Haidian District, Beijing, China
- Beijing Key Laboratory for Helicobacter pylori Infection and Upper Gastrointestinal Diseases, Haidian District, Beijing, China
| | - Kun Wang
- Department of Gastroenterology, Peking University Third Hospital, Haidian District, Beijing, China
- Beijing Key Laboratory for Helicobacter pylori Infection and Upper Gastrointestinal Diseases, Haidian District, Beijing, China
| | - Fei Pei
- Department of Pathology, Peking University Third Hospital, Peking University School of Basic Medical Sciences, Beijing, China
| | - Liping Duan
- Department of Gastroenterology, Peking University Third Hospital, Haidian District, Beijing, China.
- Beijing Key Laboratory for Helicobacter pylori Infection and Upper Gastrointestinal Diseases, Haidian District, Beijing, China.
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Lee JY, Bays DJ, Savage HP, Bäumler AJ. The human gut microbiome in health and disease: time for a new chapter? Infect Immun 2024:e0030224. [PMID: 39347570 DOI: 10.1128/iai.00302-24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/01/2024] Open
Abstract
The gut microbiome, composed of the colonic microbiota and their host environment, is important for many aspects of human health. A gut microbiome imbalance (gut dysbiosis) is associated with major causes of human morbidity and mortality. Despite the central part our gut microbiome plays in health and disease, mechanisms that maintain homeostasis and properties that demarcate dysbiosis remain largely undefined. Here we discuss that sorting taxa into meaningful ecological units reveals that the availability of respiratory electron acceptors, such as oxygen, in the host environment has a dominant influence on gut microbiome health. During homeostasis, host functions that limit the diffusion of oxygen into the colonic lumen shelter a microbial community dominated by primary fermenters from atmospheric oxygen. In turn, primary fermenters break down unabsorbed nutrients into fermentation products that support host nutrition. This symbiotic relationship is disrupted when host functions that limit the luminal availability of host-derived electron acceptors become weakened. The resulting changes in the host environment drive alterations in the microbiota composition, which feature an elevated abundance of facultatively anaerobic microbes. Thus, the part of the gut microbiome that becomes imbalanced during dysbiosis is the host environment, whereas changes in the microbiota composition are secondary to this underlying cause. This shift in our understanding of dysbiosis provides a novel starting point for therapeutic strategies to restore microbiome health. Such strategies can either target the microbes through metabolism-based editing or strengthen the host functions that control their environment.
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Affiliation(s)
- Jee-Yon Lee
- Department of Medical Microbiology and Immunology, School of Medicine, University of California Davis, Davis, California, USA
| | - Derek J Bays
- Department of Internal Medicine, Division of Infectious Diseases, School of Medicine, University of California Davis, Sacramento, California, USA
| | - Hannah P Savage
- Department of Pathology Microbiology and Immunology, School of Veterinary Medicine, University of California Davis, Davis, California, USA
| | - Andreas J Bäumler
- Department of Medical Microbiology and Immunology, School of Medicine, University of California Davis, Davis, California, USA
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Sawaed J, Zelik L, Levin Y, Feeney R, Naama M, Gordon A, Zigdon M, Rubin E, Telpaz S, Modilevsky S, Ben-Simon S, Awad A, Harshuk-Shabso S, Nuriel-Ohayon M, Werbner M, Schroeder BO, Erez A, Bel S. Antibiotics damage the colonic mucus barrier in a microbiota-independent manner. SCIENCE ADVANCES 2024; 10:eadp4119. [PMID: 39259805 PMCID: PMC11389797 DOI: 10.1126/sciadv.adp4119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Accepted: 08/05/2024] [Indexed: 09/13/2024]
Abstract
Antibiotic use is a risk factor for development of inflammatory bowel diseases (IBDs). IBDs are characterized by a damaged mucus layer, which does not separate the intestinal epithelium from the microbiota. Here, we hypothesized that antibiotics affect the integrity of the mucus barrier, which allows bacterial penetrance and predisposes to intestinal inflammation. We found that antibiotic treatment led to breakdown of the colonic mucus barrier and penetration of bacteria into the mucus layer. Using fecal microbiota transplant, RNA sequencing followed by machine learning, ex vivo mucus secretion measurements, and antibiotic treatment of germ-free mice, we determined that antibiotics induce endoplasmic reticulum stress in the colon that inhibits colonic mucus secretion in a microbiota-independent manner. This antibiotic-induced mucus secretion flaw led to penetration of bacteria into the colonic mucus layer, translocation of microbial antigens into circulation, and exacerbation of ulcerations in a mouse model of IBD. Thus, antibiotic use might predispose to intestinal inflammation by impeding mucus production.
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Affiliation(s)
- Jasmin Sawaed
- Azrieli Faculty of Medicine, Bar-Ilan University, Safed, Israel
| | - Lilach Zelik
- Azrieli Faculty of Medicine, Bar-Ilan University, Safed, Israel
| | - Yehonatan Levin
- Racah Institute of Physics, The Hebrew University, Jerusalem, Israel
| | - Rachel Feeney
- Department of Molecular Biology, Umeå University, Umeå, Sweden
- Laboratory for Molecular Infection Medicine Sweden (MIMS), Umeå, Sweden
- Umeå Center for Microbial Research (UCMR), Umeå, Sweden
| | - Maria Naama
- Azrieli Faculty of Medicine, Bar-Ilan University, Safed, Israel
| | - Ateret Gordon
- Azrieli Faculty of Medicine, Bar-Ilan University, Safed, Israel
| | - Mor Zigdon
- Azrieli Faculty of Medicine, Bar-Ilan University, Safed, Israel
| | - Elad Rubin
- Azrieli Faculty of Medicine, Bar-Ilan University, Safed, Israel
| | - Shahar Telpaz
- Azrieli Faculty of Medicine, Bar-Ilan University, Safed, Israel
| | | | - Shira Ben-Simon
- Azrieli Faculty of Medicine, Bar-Ilan University, Safed, Israel
| | - Aya Awad
- Azrieli Faculty of Medicine, Bar-Ilan University, Safed, Israel
| | | | | | - Michal Werbner
- Azrieli Faculty of Medicine, Bar-Ilan University, Safed, Israel
| | - Bjoern O Schroeder
- Department of Molecular Biology, Umeå University, Umeå, Sweden
- Laboratory for Molecular Infection Medicine Sweden (MIMS), Umeå, Sweden
- Umeå Center for Microbial Research (UCMR), Umeå, Sweden
| | - Amir Erez
- Racah Institute of Physics, The Hebrew University, Jerusalem, Israel
| | - Shai Bel
- Azrieli Faculty of Medicine, Bar-Ilan University, Safed, Israel
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Du Y, Wang Q, Zheng Z, Zhou H, Han Y, Qi A, Jiao L, Gong Y. Gut microbiota influence on lung cancer risk through blood metabolite mediation: from a comprehensive Mendelian randomization analysis and genetic analysis. Front Nutr 2024; 11:1425802. [PMID: 39323566 PMCID: PMC11423778 DOI: 10.3389/fnut.2024.1425802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Accepted: 08/26/2024] [Indexed: 09/27/2024] Open
Abstract
Background Gut microbiota (GM) and metabolic alterations play pivotal roles in lung cancer (LC) development and host genetic variations are known to contribute to LC susceptibility by modulating the GM. However, the causal links among GM, metabolite, host genes, and LC remain to be fully delineated. Method Through bidirectional MR analyses, we examined the causal links between GM and LC, and utilized two-step mediation analysis to identify potential mediating blood metabolite. We employed diverse MR methods, including inverse-variance-weighted (IVW), weighted median, MR-Egger, weighted mode, and simple mode, to ensure a robust examination of the data. MR-Egger intercept test, Radial MR, MR-PRESSO, Cochran Q test and Leave-one-out (LOO) analysis were used for sensitivity analyses. Analyses were adjusted for smoking, alcohol intake frequency and air pollution. Linkage disequilibrium score regression and Steiger test were used to probe genetic causality. The study also explored the association between specific host genes and the abundance of gut microbes in LC patients. Results The presence of Bacteroides clarus was associated with an increased risk of LC (odds ratio [OR] = 1.07, 95% confidence interval [CI]: 1.03-1.11, p = 0.012), whereas the Eubacteriaceae showed a protective effect (OR = 0.82, 95% CI: 0.75-0.89, p = 0.001). These findings remained robust after False Discovery Rate (FDR) correction. Our mediator screening identified 13 blood metabolites that significantly influence LC risk after FDR correction, underscoring cystine and propionylcarnitine in reducing LC risk, while linking specific lipids and hydroxy acids to an increased risk. Our two-step mediation analysis demonstrated that the association between the bacterial pathway of synthesis of guanosine ribonucleotides and LC was mediated by Fructosyllysine, with mediated proportions of 11.38% (p = 0.037). LDSC analysis confirmed the robustness of these associations. Our study unveiled significant host genes ROBO2 may influence the abundance of pathogenic gut microbes in LC patients. Metabolic pathway analysis revealed glutathione metabolism and glutamate metabolism are the pathways most enriched with significant metabolites related to LC. Conclusion These findings underscore the importance of GM in the development of LC, with metabolites partly mediating this effect, and provide dietary and lifestyle recommendations for high-risk lung cancer populations.
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Affiliation(s)
- Yizhao Du
- Department of Oncology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Qin Wang
- Department of Oncology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Zongmei Zheng
- Department of Oncology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Hailun Zhou
- Department of Oncology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yang Han
- Department of Oncology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Ao Qi
- Department of Oncology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Lijing Jiao
- Department of Oncology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Institute of Translational Cancer Research for Integrated Chinese and Western Medicine, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yabin Gong
- Department of Oncology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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Wang M, Sun P, Chai X, Liu YX, Li L, Zheng W, Chen S, Zhu X, Zhao S. Reconstituting gut microbiota-colonocyte interactions reverses diet-induced cognitive deficits: The beneficial of eucommiae cortex polysaccharides. Theranostics 2024; 14:4622-4642. [PMID: 39239516 PMCID: PMC11373620 DOI: 10.7150/thno.99468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2024] [Accepted: 07/22/2024] [Indexed: 09/07/2024] Open
Abstract
Rationale: Consumption of a high-fat diet (HFD) has been implicated in cognitive deficits and gastrointestinal dysfunction in humans, with the gut microbiota emerging as a pivotal mediator of these diet-associated pathologies. The introduction of plant-based polysaccharides into the diet as a therapeutic strategy to alleviate such conditions is gaining attention. Nevertheless, the mechanistic paradigm by which polysaccharides modulate the gut microbiota remains largely undefined. This study investigated the mechanisms of action of Eucommiae cortex polysaccharides (EPs) in mitigating gut dysbiosis and examined their contribution to rectifying diet-related cognitive decline. Methods: Initially, we employed fecal microbiota transplantation (FMT) and gut microbiota depletion to verify the causative role of changes in the gut microbiota induced by HFD in synapse engulfment-dependent cognitive impairments. Subsequently, colonization of the gut of chow-fed mice with Escherichia coli (E. coli) from HFD mice confirmed that inhibition of Proteobacteria by EPs was a necessary prerequisite for alleviating HFD-induced cognitive impairments. Finally, supplementation of HFD mice with butyrate and treatment of EPs mice with GW9662 demonstrated that EPs inhibited the expansion of Proteobacteria in the colon of HFD mice by reshaping the interactions between the gut microbiota and colonocytes. Results: Findings from FMT and antibiotic treatments demonstrated that HFD-induced cognitive impairments pertaining to neuronal spine loss were contingent on gut microbial composition. Association analysis revealed strong associations between bacterial taxa belonging to the phylum Proteobacteria and cognitive performance in mice. Further, introducing E. coli from HFD-fed mice into standard diet-fed mice underscored the integral role of Proteobacteria proliferation in triggering excessive synaptic engulfment-related cognitive deficits in HFD mice. Crucially, EPs effectively counteracted the bloom of Proteobacteria and subsequent neuroinflammatory responses mediated by microglia, essential for cognitive improvement in HFD-fed mice. Mechanistic insights revealed that EPs promoted the production of bacteria-derived butyrate, thereby ameliorating HFD-induced colonic mitochondrial dysfunction and reshaping colonocyte metabolism. This adjustment curtailed the availability of growth substrates for facultative anaerobes, which in turn limited the uncontrolled expansion of Proteobacteria. Conclusions: Our study elucidates that colonocyte metabolic disturbances, which promote Proteobacteria overgrowth, are a likely cause of HFD-induced cognitive deficits. Furthermore, dietary supplementation with EPs can rectify behavioral dysfunctions associated with HFD by modifying gut microbiota-colonocyte interactions. These insights contribute to the broader understanding of the modulatory effects of plant prebiotics on the microbiota-gut-brain axis and suggest a potential therapeutic avenue for diet-associated cognitive dysfunction.
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Affiliation(s)
- Mengli Wang
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Penghao Sun
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Xuejun Chai
- College of Basic Medicine, Xi'an Medical University, Xi'an, Shaanxi 710000, China
| | - Yong-Xin Liu
- Shenzhen Branch, Guangdong Laboratory of Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, Guangdong 518120, China
| | - Luqi Li
- Life Science Research Core Services, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Wei Zheng
- College of Resources and Environment Sciences, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Shulin Chen
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Xiaoyan Zhu
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Shanting Zhao
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi 712100, China
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6
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Nakatsu G, Andreeva N, MacDonald MH, Garrett WS. Interactions between diet and gut microbiota in cancer. Nat Microbiol 2024; 9:1644-1654. [PMID: 38907007 DOI: 10.1038/s41564-024-01736-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Accepted: 05/20/2024] [Indexed: 06/23/2024]
Abstract
Dietary patterns and specific dietary components, in concert with the gut microbiota, can jointly shape susceptibility, resistance and therapeutic response to cancer. Which diet-microbial interactions contribute to or mitigate carcinogenesis and how they work are important questions in this growing field. Here we interpret studies of diet-microbial interactions to assess dietary determinants of intestinal colonization by opportunistic and oncogenic bacteria. We explore how diet-induced expansion of specific gut bacteria might drive colonic epithelial tumorigenesis or create immuno-permissive tumour milieus and introduce recent findings that provide insight into these processes. Additionally, we describe available preclinical models that are widely used to study diet, microbiome and cancer interactions. Given the rising clinical interest in dietary modulations in cancer treatment, we highlight promising clinical trials that describe the effects of different dietary alterations on the microbiome and cancer outcomes.
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Affiliation(s)
- Geicho Nakatsu
- Department of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, Boston, MA, USA
- Harvard Chan Microbiome in Public Health Center, Boston, MA, USA
| | - Natalia Andreeva
- Department of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, Boston, MA, USA
- Harvard Chan Microbiome in Public Health Center, Boston, MA, USA
| | - Meghan H MacDonald
- Department of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, Boston, MA, USA
- Harvard Chan Microbiome in Public Health Center, Boston, MA, USA
| | - Wendy S Garrett
- Department of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, Boston, MA, USA.
- Harvard Chan Microbiome in Public Health Center, Boston, MA, USA.
- Broad Institute of MIT and Harvard, Cambridge, MA, USA.
- Department of Medicine, Harvard Medical School, Boston, MA, USA.
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA.
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7
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Miyagawa Y, Fujiwara-Tani R, Ikemoto A, Sasaki R, Ogata R, Nishiguchi Y, Goto K, Kawahara I, Sasaki T, Kuniyasu H. Significance of CD10 for Mucosal Immunomodulation by β-Casomorphin-7 in Exacerbation of Ulcerative Colitis. Curr Issues Mol Biol 2024; 46:6472-6488. [PMID: 39057028 PMCID: PMC11276523 DOI: 10.3390/cimb46070386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2024] [Revised: 06/21/2024] [Accepted: 06/25/2024] [Indexed: 07/28/2024] Open
Abstract
β-Casomorphin-7 (BCM), a breakdown product of milk β-casein, exhibits opioid activity. Opioids are known to affect the immune system, but the effects of BCM on ulcerative colitis (UC) are not clear. We examined the effects of BCM on mucosal immunity using a mouse dextran sulfate sodium-induced colitis model and an in vitro CD8+ T cell activation model. Human UC patients were examined to reveal the relationship between CD10 and mucosal immunity. Combined treatment of the colitis model with thiorphan (TOP) inhibited BCM degradation by suppressing CD10 in the intestinal mucosa, activating mouse mucosal CD8, and suppressing CD4 and Treg. In the CD8+ T cell in vitro activation assay using mouse splenocytes, BCM inhibited the oxidative phosphorylation (OXPHOS) of CD8+ T cells and induced the glycolytic pathway, promoting their activation. Conversely, in a culture system, BCM suppressed OXPHOS and decreased defensin α production in IEC6 mouse intestinal epithelial cells. In the mouse model, BCM reduced defensin α and butyrate levels in the colonic mucosa. During the active phase of human ulcerative colitis, the downward regulation of ileal CD10 expression by CpG methylation of the gene promoter was observed, resulting in increased CD8 activation and decreased defensin α and butyrate levels. BCM is a potential aggravating factor for UC and should be considered in the design of dietary therapy. In addition, decreased CD10 expression may serve as an indicator of UC activity and recurrence, but further clinical studies are needed.
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Affiliation(s)
| | - Rina Fujiwara-Tani
- Department of Molecular Pathology, Nara Medical University, 840 Shijo-cho, Kashihara 634-8521, Nara, Japan; (Y.M.); (A.I.); (R.S.); (R.O.); (Y.N.); (K.G.); (I.K.); (T.S.)
| | | | | | | | | | | | | | | | - Hiroki Kuniyasu
- Department of Molecular Pathology, Nara Medical University, 840 Shijo-cho, Kashihara 634-8521, Nara, Japan; (Y.M.); (A.I.); (R.S.); (R.O.); (Y.N.); (K.G.); (I.K.); (T.S.)
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Tian R, Wang X, Tang S, Zhao L, Hao Y, Li R, Zhou X. Gut microbiota mediates the protective effects of β-hydroxybutyrate against cisplatin-induced acute kidney injury. Biomed Pharmacother 2024; 175:116752. [PMID: 38761425 DOI: 10.1016/j.biopha.2024.116752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Revised: 05/03/2024] [Accepted: 05/10/2024] [Indexed: 05/20/2024] Open
Abstract
The gut microbiota has been reported to be perturbed by chemotherapeutic agents and to modulate side effects. However, the critical role of β-hydroxybutyrate (BHB) in the regulation of the gut microbiota and the pathogenesis of chemotherapeutic agents related nephrotoxicity remains unknown. We conducted a comparative analysis of the composition and function of gut microbiota in healthy, cisplatin-challenged, BHB-treated, and high-fat diet-treated mice using 16 S rDNA gene sequencing. To understand the crucial involvement of intestinal flora in BHB's regulation of cisplatin -induced nephrotoxicity, we administered antibiotics to deplete the gut microbiota and performed fecal microbiota transplantation (FMT) before cisplatin administration. 16 S rDNA gene sequencing analysis demonstrated that both endogenous and exogenous BHB restored gut microbiota dysbiosis and cisplatin-induced intestinal barrier disruption in mice. Additionally, our findings suggested that the LPS/TLR4/NF-κB pathway was responsible for triggering renal inflammation in the gut-kidney axis. Furthermore, the ablation of the gut microbiota ablation using antibiotics eliminated the renoprotective effects of BHB against cisplatin-induced acute kidney injury. FMT also confirmed that administration of BHB-treated gut microbiota provided protection against cisplatin-induced nephrotoxicity. This study elucidated the mechanism by which BHB affects the gut microbiota mediation of cisplatin-induced nephrotoxicity by inhibiting the inflammatory response, which may help develop novel therapeutic approaches that target the composition of the microbiota.
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Affiliation(s)
- Ruixue Tian
- The Fifth Clinical Medical College of Shanxi Medical University, 29 Shuang Ta East Street, Taiyuan 030012, China; Department of Nephrology, Shanxi Provincial People's Hospital, Taiyuan 030012, China
| | - Xingru Wang
- The Fifth Clinical Medical College of Shanxi Medical University, 29 Shuang Ta East Street, Taiyuan 030012, China; Department of Nephrology, Shanxi Provincial People's Hospital, Taiyuan 030012, China
| | - Shuqin Tang
- The Fifth Clinical Medical College of Shanxi Medical University, 29 Shuang Ta East Street, Taiyuan 030012, China; Department of Nephrology, Shanxi Provincial People's Hospital, Taiyuan 030012, China
| | - Limei Zhao
- The Fifth Clinical Medical College of Shanxi Medical University, 29 Shuang Ta East Street, Taiyuan 030012, China; Department of Nephrology, Shanxi Provincial People's Hospital, Taiyuan 030012, China
| | - Yajie Hao
- The Fifth Clinical Medical College of Shanxi Medical University, 29 Shuang Ta East Street, Taiyuan 030012, China; Department of Nephrology, Shanxi Provincial People's Hospital, Taiyuan 030012, China
| | - Rongshan Li
- The Fifth Clinical Medical College of Shanxi Medical University, 29 Shuang Ta East Street, Taiyuan 030012, China; Department of Nephrology, Shanxi Provincial People's Hospital, Taiyuan 030012, China; Shanxi Kidney Disease Institute, 29 Shuang Ta East Street, Taiyuan 030012, China
| | - Xiaoshuang Zhou
- The Fifth Clinical Medical College of Shanxi Medical University, 29 Shuang Ta East Street, Taiyuan 030012, China; Department of Nephrology, Shanxi Provincial People's Hospital, Taiyuan 030012, China; Shanxi Kidney Disease Institute, 29 Shuang Ta East Street, Taiyuan 030012, China.
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9
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He L, Luo H, Li Y, Zhang Y, Peng L, Xu Y, Lu J, Li J, Liu H. The causal relationship between the gut microbiota and acute pancreatitis: A 2-sample Mendelian randomization study. Medicine (Baltimore) 2024; 103:e38331. [PMID: 39259083 PMCID: PMC11142829 DOI: 10.1097/md.0000000000038331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Revised: 03/05/2024] [Accepted: 05/02/2024] [Indexed: 09/12/2024] Open
Abstract
Several observational studies have reported a correlation between the gut microbiota (GM) and the risk of acute pancreatitis (AP). However, the causal relationship between them remains uncertain. We conducted a 2-sample Mendelian randomization (MR) study using pooled data from genome-wide association studies of 211 taxa (131 genera, 35 families, 20 orders, 16 classes, and 9 phyla) and AP patients. We evaluated the causal relationship between the GM and AP using methods such as inverse-variance weighting, MR-Egger, weighted medians, simple mode, and weighted mode. Cochran Q test, MR-Egger regression intercept analysis, and MR-PRESSO were used to examine the heterogeneity, multipotency, and outlier values of the variables, respectively. The reverse causal relationship between AP and the GM was assessed with reverse MR. In total, 5 gut microbial taxa were significantly associated with AP. The inverse-variance weighting results indicated that Acidaminococcaceae (odds ratio [OR]: 0.81, 95% confidence interval [CI]: 0.66-1.00, P = .045) and Ruminococcaceae UCG004 (OR: 0.85, 95% CI: 0.72-0.99, P = .040) were protective factors against the occurrence of AP. Coprococcus 3 (OR: 1.32, 95% CI: 1.03-1.70, P = .030), Eisenbergiella (OR: 1.13, 95% CI: 1.00-1.28, P = .043), and the Eubacterium fissicatena group (OR: 1.18, 95% CI: 1.05-1.33, P = .006) were risk factors for the development of AP. A comprehensive sensitivity analysis proved our results to be reliable. Reverse MR analysis did not indicate any causal relationship between AP and the GM. This study revealed a complex causal relationship between 5 GM taxa and AP, providing new insights into the diagnostic and therapeutic potential of the GM in AP patients.
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Affiliation(s)
- Lin He
- Department of Pancreatitis Treatment Center, People’s Hospital of Deyang City, Deyang, China
| | - Haojun Luo
- Department of Breast and Thyroid Surgery, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yu Li
- Department of Pancreatitis Treatment Center, People’s Hospital of Deyang City, Deyang, China
| | - Yan Zhang
- Department of Pancreatitis Treatment Center, People’s Hospital of Deyang City, Deyang, China
| | - Li Peng
- Department of Pancreatitis Treatment Center, People’s Hospital of Deyang City, Deyang, China
| | - Yan Xu
- Department of Pancreatitis Treatment Center, People’s Hospital of Deyang City, Deyang, China
| | - Jing Lu
- Department of Pancreatitis Treatment Center, People’s Hospital of Deyang City, Deyang, China
| | - Jinzhi Li
- Department of Pancreatitis Treatment Center, People’s Hospital of Deyang City, Deyang, China
| | - Hang Liu
- Department of Pancreatitis Treatment Center, People’s Hospital of Deyang City, Deyang, China
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10
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He N, Chen K, Yu S, Cui L, Vu SH, Jung S, Lee MS, Li S. Stachyose Exerts Anticolitis Efficacy by Re-balancing Treg/Th17 and Activating the Butyrate-Derived PPARγ Signaling Pathway. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:12171-12183. [PMID: 38748640 DOI: 10.1021/acs.jafc.4c01387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2024]
Abstract
Ulcerative colitis (UC) is a complex chronic inflammatory disease closely associated with gut homeostasis dysfunction. The previous studies have shown that stachyose, a functional food additive, has the potential to enhance gut health and alleviate UC symptoms. However, the underlying mechanism of its effects remains unknown. In this study, our findings showed that dietary supplements of stachyose had a significant dose-dependent protective effect on colitis symptoms, regulation of gut microbiota, and restoration of the Treg/Th17 cell balance in dextran sulfate sodium (DSS) induced colitis mice. To further validate these findings, we conducted fecal microbiota transplantation (FMT) to treat DSS-induced colitis in mice. The results showed that microbiota from stachyose-treated mice exhibited a superior therapeutic effect against colitis and effectively regulated the Treg/Th17 cell balance in comparison to the control group. Moreover, both stachyose supplementation and FMT resulted in an increase in butyrate production and the activation of PPARγ. However, this effect was partially attenuated by PPARγ antagonist GW9662. These results suggested that stachyose alleviates UC symptoms by modulating gut microbiota and activating PPARγ. In conclusion, our work offers new insights into the benefical effects of stachyose on UC and its potential role in modulating gut microbiota.
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Affiliation(s)
- Ningning He
- School of Basic Medicine, Qingdao Medical College, Qingdao University, Qingdao 266003, China
| | - Kaiwei Chen
- School of Basic Medicine, Qingdao Medical College, Qingdao University, Qingdao 266003, China
| | - Shengnan Yu
- School of Basic Medicine, Qingdao Medical College, Qingdao University, Qingdao 266003, China
| | - Luwen Cui
- School of Basic Medicine, Qingdao Medical College, Qingdao University, Qingdao 266003, China
| | - Son Hai Vu
- Vinmec-VinUni Institute of Immunology, Vinmec Healthcare System, Hanoi 100000, Vietnam
| | - Samil Jung
- Molecular Cancer Biology Laboratory, Cellular Heterogeneity Research Center, Department of Biosystem, Sookmyung Women's University, Seoul 140-742, Korea
| | - Myeong-Sok Lee
- Molecular Cancer Biology Laboratory, Cellular Heterogeneity Research Center, Department of Biosystem, Sookmyung Women's University, Seoul 140-742, Korea
| | - Shangyong Li
- School of Basic Medicine, Qingdao Medical College, Qingdao University, Qingdao 266003, China
- Molecular Cancer Biology Laboratory, Cellular Heterogeneity Research Center, Department of Biosystem, Sookmyung Women's University, Seoul 140-742, Korea
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11
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Lin Z, Luo W, Zhang K, Dai S. Environmental and Microbial Factors in Inflammatory Bowel Disease Model Establishment: A Review Partly through Mendelian Randomization. Gut Liver 2024; 18:370-390. [PMID: 37814898 PMCID: PMC11096900 DOI: 10.5009/gnl230179] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2023] [Revised: 07/09/2023] [Accepted: 07/24/2023] [Indexed: 10/11/2023] Open
Abstract
Inflammatory bowel disease (IBD) is a complex condition resulting from environmental, microbial, immunologic, and genetic factors. With the advancement of Mendelian randomization research in IBD, we have gained new insights into the relationship between these factors and IBD. Many animal models of IBD have been developed using different methods, but few studies have attempted to model IBD by combining environmental factors and microbial factors. In this review, we examine how environmental factors and microbial factors affect the development and progression of IBD, and how they interact with each other and with the intestinal microbiota. We also summarize the current methods for creating animal models of IBD and compare their advantages and disadvantages. Based on the latest findings from Mendelian randomization studies on the role of environmental factors in IBD, we discuss which environmental and microbial factors could be used to construct a more realistic and reliable IBD experimental model. We propose that animal models of IBD should consider both environmental and microbial factors to better mimic human IBD pathogenesis and to reveal the underlying mechanisms of IBD at the immune and genetic levels. We highlight the importance of environmental and microbial factors in IBD pathogenesis and offer new perspectives and suggestions for improving experimental animal modeling. Our goal is to create a model that closely resembles the clinical picture of IBD.
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Affiliation(s)
- Zesheng Lin
- The First Clinical Medical School, Southern Medical University, Guangzhou, China
| | - Wenjing Luo
- The Second Clinical Medical School, Southern Medical University, Guangzhou, China
| | - Kaijun Zhang
- Department of Gastroenterology, Guangdong Provincial Geriatrics Institute, Guangzhou, ChinaNational Key Clinical Specialty, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, China
| | - Shixue Dai
- Department of Gastroenterology, Guangdong Provincial Geriatrics Institute, Guangzhou, ChinaNational Key Clinical Specialty, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, China
- Department of Gastroenterology, Geriatric Center, National Regional Medical Center, Ganzhou Hospital Affiliated to Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Ganzhou, China
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12
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Shealy NG, Baltagulov M, Byndloss MX. A long journey to the colon: The role of the small intestine microbiota in intestinal disease. Mol Microbiol 2024. [PMID: 38690771 DOI: 10.1111/mmi.15270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2024] [Revised: 04/09/2024] [Accepted: 04/17/2024] [Indexed: 05/03/2024]
Abstract
The small intestine represents a complex and understudied gut niche with significant implications for human health. Indeed, many infectious and non-infectious diseases center within the small intestine and present similar clinical manifestations to large intestinal disease, complicating non-invasive diagnosis and treatment. One major neglected aspect of small intestinal diseases is the feedback relationship with the resident collection of commensal organisms, the gut microbiota. Studies focused on microbiota-host interactions in the small intestine in the context of infectious and non-infectious diseases are required to identify potential therapeutic targets dissimilar from those used for large bowel diseases. While sparsely populated, the small intestine represents a stringent commensal bacterial microenvironment the host relies upon for nutrient acquisition and protection against invading pathogens (colonization resistance). Indeed, recent evidence suggests that disruptions to host-microbiota interactions in the small intestine impact enteric bacterial pathogenesis and susceptibility to non-infectious enteric diseases. In this review, we focus on the microbiota's impact on small intestine function and the pathogenesis of infectious and non-infectious diseases of the gastrointestinal (GI) tract. We also discuss gaps in knowledge on the role of commensal microorganisms in proximal GI tract function during health and disease.
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Affiliation(s)
- Nicolas G Shealy
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Madi Baltagulov
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Mariana X Byndloss
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee, USA
- Howard Hughes Medical Institute, Vanderbilt University Medical Center, Nashville, Tennessee, USA
- Vanderbilt Institute of Infection, Immunology, and Inflammation, Vanderbilt University Medical Center, Nashville, Tennessee, USA
- Vanderbilt Microbiome Innovation Center, Vanderbilt University, Nashville, Tennessee, USA
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13
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Alaba TE, Holman JM, Ishaq SL, Li Y. Current Knowledge on the Preparation and Benefits of Cruciferous Vegetables as Relates to In Vitro, In Vivo, and Clinical Models of Inflammatory Bowel Disease. Curr Dev Nutr 2024; 8:102160. [PMID: 38779039 PMCID: PMC11108850 DOI: 10.1016/j.cdnut.2024.102160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 04/01/2024] [Accepted: 04/14/2024] [Indexed: 05/25/2024] Open
Abstract
Inflammatory bowel disease is a chronic condition with a significant economic and social burden. The disease is complex and challenging to treat because it involves several pathologies, such as inflammation, oxidative stress, dysbiosis, and intestinal damage. The search for an effective treatment has identified cruciferous vegetables and their phytochemicals as potential management options for inflammatory bowel disease because they contain prebiotics, probiotics, and anti-inflammatory and antioxidant metabolites essential for a healthy gut. This critical narrative style review provides a robust insight into the pharmacological effects and benefits of crucifers and their documented bioactive compounds in in vitro and in vivo models, as well as clinical inflammatory bowel disease. The review highlights the significant impact of crucifer preparation and the presence of glucosinolates, isothiocyanates, flavonoids, and polyphenolic compounds, which are essential for the anti-inflammatory and antioxidative benefits of cruciferous vegetables, as well as their ability to promote the healthy microbial community and maintain the intestinal barrier. This review may serve as a viable nutritional guide for future research on methods and features essential to developing experiments, preventions, and treatments for inflammatory bowel disease. There is limited clinical information and future research may utilize current innovative tools, such as metabolomics, for adequate knowledge and effective translation into clinical therapy.
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Affiliation(s)
- Tolu E Alaba
- Graduate School of Biomedical Sciences and Engineering, University of Maine, Orono, ME, United States
| | - Johanna M Holman
- School of Food and Agriculture, University of Maine, Orono, ME, United States
| | - Suzanne L Ishaq
- School of Food and Agriculture, University of Maine, Orono, ME, United States
| | - Yanyan Li
- School of Food and Agriculture, University of Maine, Orono, ME, United States
- School of Pharmacy and Pharmaceutical Sciences, SUNY Binghamton University, Johnson City, NY, United States
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14
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Zhao Y, Xu C, Liu Q, Lei X, Deng L, Wang F, Yang J. pH-responsive interface conversion efficient oral drug delivery platform for alleviating inflammatory bowel disease. Front Chem 2024; 12:1365880. [PMID: 38532806 PMCID: PMC10963395 DOI: 10.3389/fchem.2024.1365880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Accepted: 03/04/2024] [Indexed: 03/28/2024] Open
Abstract
A key challenge for the effective treatment of intestinal diseases, including inflammatory bowel disease (IBD), is to develop an oral drug delivery system that can resist gastric acid erosion and efficiently release drugs after rapid entry into the intestine. In the present work, we developed oral composite nanoparticles (MSZ@PRHS) consisting of a rough mesoporous silica (RHS) loaded with Mesalazine (MSZ) and a CAP polymer membrane for targeted relief of inflammation in colitis. At the pH values of the simulated stomach and small intestine, the release rate of MSZ from MSZ@PRHS was low, while at the pH values of the simulated colon, the release rate of MSZ was high. In dextran sulfate sodium salt (DSS)-induced acute colitis mouse model, compared with oral administration of the drug Mesalazine in the equivalent solution form, oral administration of PRHS loaded with drug-loaded nanoparticles can significantly alleviate the symptoms of inflammatory bowel disease, and improve the therapeutic effect. We propose that the intestinal microenvironment provides an interface for nanocomposites switch and a promising drug delivery platform for the management and treatment of many intestinal diseases, where controlled drug release and prolonged residence time are required.
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Affiliation(s)
- Yingying Zhao
- Department of Gastroenterology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong, China
| | - Changqing Xu
- Department of Gastroenterology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong, China
| | - Qing Liu
- Department of Clinical Laboratory, Shanghai Gongli Hospital, The Second Military Medical University, Shanghai, China
| | - Xiaofei Lei
- Department of Gastroenterology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong, China
| | - Li Deng
- Department of Gastroenterology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong, China
| | - Fengyan Wang
- Department of Gastroenterology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong, China
| | - Jing Yang
- Department of Gastroenterology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong, China
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15
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Xiao YL, Gong Y, Qi YJ, Shao ZM, Jiang YZ. Effects of dietary intervention on human diseases: molecular mechanisms and therapeutic potential. Signal Transduct Target Ther 2024; 9:59. [PMID: 38462638 PMCID: PMC10925609 DOI: 10.1038/s41392-024-01771-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 02/05/2024] [Accepted: 02/18/2024] [Indexed: 03/12/2024] Open
Abstract
Diet, serving as a vital source of nutrients, exerts a profound influence on human health and disease progression. Recently, dietary interventions have emerged as promising adjunctive treatment strategies not only for cancer but also for neurodegenerative diseases, autoimmune diseases, cardiovascular diseases, and metabolic disorders. These interventions have demonstrated substantial potential in modulating metabolism, disease trajectory, and therapeutic responses. Metabolic reprogramming is a hallmark of malignant progression, and a deeper understanding of this phenomenon in tumors and its effects on immune regulation is a significant challenge that impedes cancer eradication. Dietary intake, as a key environmental factor, can influence tumor metabolism. Emerging evidence indicates that dietary interventions might affect the nutrient availability in tumors, thereby increasing the efficacy of cancer treatments. However, the intricate interplay between dietary interventions and the pathogenesis of cancer and other diseases is complex. Despite encouraging results, the mechanisms underlying diet-based therapeutic strategies remain largely unexplored, often resulting in underutilization in disease management. In this review, we aim to illuminate the potential effects of various dietary interventions, including calorie restriction, fasting-mimicking diet, ketogenic diet, protein restriction diet, high-salt diet, high-fat diet, and high-fiber diet, on cancer and the aforementioned diseases. We explore the multifaceted impacts of these dietary interventions, encompassing their immunomodulatory effects, other biological impacts, and underlying molecular mechanisms. This review offers valuable insights into the potential application of these dietary interventions as adjunctive therapies in disease management.
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Affiliation(s)
- Yu-Ling Xiao
- Key Laboratory of Breast Cancer in Shanghai, Department of Breast Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - Yue Gong
- Key Laboratory of Breast Cancer in Shanghai, Department of Breast Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - Ying-Jia Qi
- Key Laboratory of Breast Cancer in Shanghai, Department of Breast Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - Zhi-Ming Shao
- Key Laboratory of Breast Cancer in Shanghai, Department of Breast Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - Yi-Zhou Jiang
- Key Laboratory of Breast Cancer in Shanghai, Department of Breast Surgery, Fudan University Shanghai Cancer Center, Shanghai, China.
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China.
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16
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Lee JY, Tiffany CR, Mahan SP, Kellom M, Rogers AWL, Nguyen H, Stevens ET, Masson HLP, Yamazaki K, Marco ML, Eloe-Fadrosh EA, Turnbaugh PJ, Bäumler AJ. High fat intake sustains sorbitol intolerance after antibiotic-mediated Clostridia depletion from the gut microbiota. Cell 2024; 187:1191-1205.e15. [PMID: 38366592 PMCID: PMC11023689 DOI: 10.1016/j.cell.2024.01.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 09/27/2023] [Accepted: 01/18/2024] [Indexed: 02/18/2024]
Abstract
Carbohydrate intolerance, commonly linked to the consumption of lactose, fructose, or sorbitol, affects up to 30% of the population in high-income countries. Although sorbitol intolerance is attributed to malabsorption, the underlying mechanism remains unresolved. Here, we show that a history of antibiotic exposure combined with high fat intake triggered long-lasting sorbitol intolerance in mice by reducing Clostridia abundance, which impaired microbial sorbitol catabolism. The restoration of sorbitol catabolism by inoculation with probiotic Escherichia coli protected mice against sorbitol intolerance but did not restore Clostridia abundance. Inoculation with the butyrate producer Anaerostipes caccae restored a normal Clostridia abundance, which protected mice against sorbitol-induced diarrhea even when the probiotic was cleared. Butyrate restored Clostridia abundance by stimulating epithelial peroxisome proliferator-activated receptor-gamma (PPAR-γ) signaling to restore epithelial hypoxia in the colon. Collectively, these mechanistic insights identify microbial sorbitol catabolism as a potential target for approaches for the diagnosis, treatment, and prevention of sorbitol intolerance.
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Affiliation(s)
- Jee-Yon Lee
- Department of Medical Microbiology and Immunology, School of Medicine, University of California at Davis, One Shields Ave, Davis, CA 95616, USA
| | - Connor R Tiffany
- Department of Medical Microbiology and Immunology, School of Medicine, University of California at Davis, One Shields Ave, Davis, CA 95616, USA
| | - Scott P Mahan
- Department of Medical Microbiology and Immunology, School of Medicine, University of California at Davis, One Shields Ave, Davis, CA 95616, USA
| | - Matthew Kellom
- Environmental Genomics & Systems Biology Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
| | - Andrew W L Rogers
- Department of Medical Microbiology and Immunology, School of Medicine, University of California at Davis, One Shields Ave, Davis, CA 95616, USA
| | - Henry Nguyen
- Department of Medical Microbiology and Immunology, School of Medicine, University of California at Davis, One Shields Ave, Davis, CA 95616, USA
| | - Eric T Stevens
- Department of Food Science and Technology, University of California at Davis, Davis, CA 95616, USA
| | - Hugo L P Masson
- Department of Medical Microbiology and Immunology, School of Medicine, University of California at Davis, One Shields Ave, Davis, CA 95616, USA
| | - Kohei Yamazaki
- Department of Medical Microbiology and Immunology, School of Medicine, University of California at Davis, One Shields Ave, Davis, CA 95616, USA; Laboratory of Veterinary Public Health, School of Veterinary Medicine, Kitasato University, Towada, Japan
| | - Maria L Marco
- Department of Food Science and Technology, University of California at Davis, Davis, CA 95616, USA
| | - Emiley A Eloe-Fadrosh
- Environmental Genomics & Systems Biology Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
| | - Peter J Turnbaugh
- Department of Microbiology & Immunology, University of California, San Francisco, San Francisco, CA 94143, USA; Chan Zuckerberg Biohub-San Francisco, San Francisco, CA 94158, USA
| | - Andreas J Bäumler
- Department of Medical Microbiology and Immunology, School of Medicine, University of California at Davis, One Shields Ave, Davis, CA 95616, USA.
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17
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Guerbette T, Rioux V, Bostoën M, Ciesielski V, Coppens-Exandier H, Buraud M, Lan A, Boudry G. Saturated fatty acids differently affect mitochondrial function and the intestinal epithelial barrier depending on their chain length in the in vitro model of IPEC-J2 enterocytes. Front Cell Dev Biol 2024; 12:1266842. [PMID: 38362040 PMCID: PMC10867211 DOI: 10.3389/fcell.2024.1266842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Accepted: 01/15/2024] [Indexed: 02/17/2024] Open
Abstract
Introduction: Maintenance of the intestinal barrier mainly relies on the mitochondrial function of intestinal epithelial cells that provide ATP through oxidative phosphorylation (OXPHOS). Dietary fatty acid overload might induce mitochondrial dysfunction of enterocytes and may increase intestinal permeability as indicated by previous in vitro studies with palmitic acid (C16:0). Yet the impact of other dietary saturated fatty acids remains poorly described. Methods: To address this question, the in vitro model of porcine enterocytes IPEC-J2 was treated for 3 days with 250 µM of lauric (C12:0), myristic (C14:0), palmitic (C16:0) or stearic (C18:0) acids. Results and discussion: Measurement of the transepithelial electrical resistance, reflecting tight junction integrity, revealed that only C16:0 and C18:0 increased epithelial permeability, without modifying the expression of genes encoding tight junction proteins. Bioenergetic measurements indicated that C16:0 and C18:0 were barely β-oxidized by IPEC-J2. However, they rather induced significant OXPHOS uncoupling and reduced ATP production compared to C12:0 and C14:0. These bioenergetic alterations were associated with elevated mitochondrial reactive oxygen species production and mitochondrial fission. Although C12:0 and C14:0 treatment induced significant lipid storage and enhanced fusion of the mitochondrial network, it only mildly decreased ATP production without altering epithelial barrier. These results point out that the longer chain fatty acids C16:0 and C18:0 increased intestinal permeability, contrary to C12:0 and C14:0. In addition, C16:0 and C18:0 induced an important energy deprivation, notably via increased proton leaks, mitochondrial remodeling, and elevated ROS production in enterocytes compared to C12:0 and C14:0.
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Affiliation(s)
- Thomas Guerbette
- Institut NuMeCan, INRAE, INSERM, University Rennes, Rennes, France
| | - Vincent Rioux
- Institut NuMeCan, INRAE, INSERM, University Rennes, Rennes, France
- Institut Agro Rennes-Angers, Rennes, France
| | - Mégane Bostoën
- Institut NuMeCan, INRAE, INSERM, University Rennes, Rennes, France
| | - Vincent Ciesielski
- Institut NuMeCan, INRAE, INSERM, University Rennes, Rennes, France
- Institut Agro Rennes-Angers, Rennes, France
| | | | - Marine Buraud
- Institut NuMeCan, INRAE, INSERM, University Rennes, Rennes, France
| | - Annaïg Lan
- Institut NuMeCan, INRAE, INSERM, University Rennes, Rennes, France
- UMR PNCA, AgroParisTech, INRAE, Université Paris-Saclay, Paris, France
| | - Gaëlle Boudry
- Institut NuMeCan, INRAE, INSERM, University Rennes, Rennes, France
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18
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Li M, Ding Y, Wei J, Dong Y, Wang J, Dai X, Yan J, Chu F, Zhang K, Meng F, Ma J, Zhong W, Wang B, Gao Y, Yang R, Liu X, Su X, Cao H. Gut microbiota metabolite indole-3-acetic acid maintains intestinal epithelial homeostasis through mucin sulfation. Gut Microbes 2024; 16:2377576. [PMID: 39068517 PMCID: PMC11285290 DOI: 10.1080/19490976.2024.2377576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2024] [Revised: 06/17/2024] [Accepted: 07/03/2024] [Indexed: 07/30/2024] Open
Abstract
The global incidence and prevalence of inflammatory bowel disease (IBD) are gradually increasing. A high-fat diet (HFD) is known to disrupt intestinal homeostasis and aggravate IBD, yet the underlying mechanisms remain largely undefined. Here, a positive correlation between dietary fat intake and disease severity in both IBD patients and murine colitis models is observed. A HFD induces a significant decrease in indole-3-acetic acid (IAA) and leads to intestinal barrier damage. Furthermore, IAA supplementation enhances intestinal mucin sulfation and effectively alleviates colitis. Mechanistically, IAA upregulates key molecules involved in mucin sulfation, including 3'-phosphoadenosine 5'-phosphosulfate synthase 2 (Papss2) and solute carrier family 35 member B3 (Slc35b3), the synthesis enzyme and the transferase of 3'-phosphoadenosine-5'-phosphosulfate (PAPS), via the aryl hydrocarbon receptor (AHR). More importantly, AHR can directly bind to the transcription start site of Papss2. Oral administration of Lactobacillus reuteri, which can produce IAA, contributes to protecting against colitis and promoting mucin sulfation, while the modified L. reuteri strain lacking the iaaM gene (LactobacillusΔiaaM) and the ability to produce IAA fail to exhibit such effects. Overall, IAA enhances intestinal mucin sulfation through the AHR-Papss2-Slc35b3 pathway, contributing to the protection of intestinal homfeostasis.
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Affiliation(s)
- Mengfan Li
- Department of Gastroenterology and Hepatology, Tianjin Medical University General Hospital, National Key Clinical Specialty, Tianjin Institute of Digestive Diseases, Tianjin Key Laboratory of Digestive Diseases, Tianjin, China
| | - Yiyun Ding
- Department of Gastroenterology and Hepatology, Tianjin Medical University General Hospital, National Key Clinical Specialty, Tianjin Institute of Digestive Diseases, Tianjin Key Laboratory of Digestive Diseases, Tianjin, China
| | - Jingge Wei
- Department of Gastroenterology and Hepatology, Tianjin Medical University General Hospital, National Key Clinical Specialty, Tianjin Institute of Digestive Diseases, Tianjin Key Laboratory of Digestive Diseases, Tianjin, China
| | - Yue Dong
- Department of Gastroenterology and Hepatology, Tianjin Medical University General Hospital, National Key Clinical Specialty, Tianjin Institute of Digestive Diseases, Tianjin Key Laboratory of Digestive Diseases, Tianjin, China
| | - Jingyi Wang
- Department of Gastroenterology and Hepatology, Tianjin Medical University General Hospital, National Key Clinical Specialty, Tianjin Institute of Digestive Diseases, Tianjin Key Laboratory of Digestive Diseases, Tianjin, China
| | - Xin Dai
- Department of Gastroenterology and Hepatology, Tianjin Medical University General Hospital, National Key Clinical Specialty, Tianjin Institute of Digestive Diseases, Tianjin Key Laboratory of Digestive Diseases, Tianjin, China
| | - Jing Yan
- Department of Gastroenterology and Hepatology, Tianjin Medical University General Hospital, National Key Clinical Specialty, Tianjin Institute of Digestive Diseases, Tianjin Key Laboratory of Digestive Diseases, Tianjin, China
| | - Feifei Chu
- Department of Gastroenterology and Hepatology, Tianjin Medical University General Hospital, National Key Clinical Specialty, Tianjin Institute of Digestive Diseases, Tianjin Key Laboratory of Digestive Diseases, Tianjin, China
| | - Kexin Zhang
- Department of Gastroenterology and Hepatology, Tianjin Medical University General Hospital, National Key Clinical Specialty, Tianjin Institute of Digestive Diseases, Tianjin Key Laboratory of Digestive Diseases, Tianjin, China
| | - Fanyi Meng
- Department of Gastroenterology and Hepatology, Tianjin Medical University General Hospital, National Key Clinical Specialty, Tianjin Institute of Digestive Diseases, Tianjin Key Laboratory of Digestive Diseases, Tianjin, China
| | - Jiahui Ma
- Department of Gastroenterology and Hepatology, Tianjin Medical University General Hospital, National Key Clinical Specialty, Tianjin Institute of Digestive Diseases, Tianjin Key Laboratory of Digestive Diseases, Tianjin, China
| | - Weilong Zhong
- Department of Gastroenterology and Hepatology, Tianjin Medical University General Hospital, National Key Clinical Specialty, Tianjin Institute of Digestive Diseases, Tianjin Key Laboratory of Digestive Diseases, Tianjin, China
| | - Bangmao Wang
- Department of Gastroenterology and Hepatology, Tianjin Medical University General Hospital, National Key Clinical Specialty, Tianjin Institute of Digestive Diseases, Tianjin Key Laboratory of Digestive Diseases, Tianjin, China
| | - Yunhuan Gao
- Department of Immunology, Nankai University School of Medicine, Nankai University, Tianjin, China
| | - Rongcun Yang
- Department of Immunology, Nankai University School of Medicine, Nankai University, Tianjin, China
| | - Xinjuan Liu
- Department of Gastroenterology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Xiaomin Su
- Department of Immunology, Nankai University School of Medicine, Nankai University, Tianjin, China
| | - Hailong Cao
- Department of Gastroenterology and Hepatology, Tianjin Medical University General Hospital, National Key Clinical Specialty, Tianjin Institute of Digestive Diseases, Tianjin Key Laboratory of Digestive Diseases, Tianjin, China
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19
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Liang F, Liu S, Zhang H, Xiang R, Xie M, He X, Wang S, Wu S, Li J. Effects of chronic unpredictable mild stress on gut sensation and function in male mice. Stress 2024; 27:2374768. [PMID: 38975691 DOI: 10.1080/10253890.2024.2374768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Accepted: 06/25/2024] [Indexed: 07/09/2024] Open
Abstract
Stress has been linked to the development of irritable bowel syndrome (IBS), and various methods have been explored to model IBS in combination with other stimuli. However, it remains unclear whether stress alone can induce IBS in animals. This study aimed to investigate the impact of chronic unpredictable mild stress (CUMS) on gastrointestinal sensation and function in mice and assess the potential of CUMS as a modeling approach for IBS. To evaluate the mice's behavior, we conducted open field test, sucrose preference test and weighed the mice, revealing that CUMS indeed induced anxiety and depression in the mice and caused weight loss. Further analyses, including fecal analysis, a total gastrointestinal transport test, and a colon propulsion test, demonstrated that CUMS led to abnormal defecation and disruptions in gastrointestinal motility in the mice. Additionally, the abdominal withdrawal reflex test indicated an increase in visceral sensitivity in CUMS-exposed mice. Histological examination using hematoxylin and eosin staining revealed no significant histological alterations in the colons of CUMS-exposed mice, but it did show a minor degree of inflammatory cell infiltration. In summary, the findings suggest that CUMS can replicate IBS-like symptoms in mice, offering a novel top-down approach to modeling IBS.
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Affiliation(s)
- Fangyuan Liang
- College of Acupuncture and Orthopedics, Hubei University of Chinese Medicine, Wuhan, China
| | - Suzhen Liu
- College of Acupuncture and Orthopedics, Hubei University of Chinese Medicine, Wuhan, China
| | - Heng Zhang
- Department of Traditional Chinese Medicine, Henan Workers' Hospital, Zhengzhou, China
| | - Ronglan Xiang
- College of Acupuncture and Orthopedics, Hubei University of Chinese Medicine, Wuhan, China
| | - Mengting Xie
- College of Acupuncture and Orthopedics, Hubei University of Chinese Medicine, Wuhan, China
| | - Xiaoru He
- College of Acupuncture and Orthopedics, Hubei University of Chinese Medicine, Wuhan, China
| | - Sunyi Wang
- College of Acupuncture and Orthopedics, Hubei University of Chinese Medicine, Wuhan, China
| | - Song Wu
- College of Acupuncture and Orthopedics, Hubei University of Chinese Medicine, Wuhan, China
- Hubei Shizhen Laboratory, Wuhan, China
- Hubei Provincial Collaborative Innovation Center of Preventive Treatment by Acupuncture and Moxibustion, Wuhan, China
- Acupuncture and Moxibustion Department, Affiliated Hospital of Hubei University of Chinese Medicine (Hubei Provincial Hospital of Traditional Chinese Medicine), Wuhan, China
| | - Jia Li
- Acupuncture and Moxibustion, Xianning Hospital of Traditional Chinese Medicine Department, Xianning, China
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20
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Orgler E, Baumgartner M, Duller S, Kumptisch C, Hausmann B, Moser D, Khare V, Lang M, Köcher T, Frick A, Muttenthaler M, Makristathis A, Moissl-Eichinger C, Gasche C. Archaea influence composition of endoscopically visible ileocolonic biofilms. Gut Microbes 2024; 16:2359500. [PMID: 38825783 PMCID: PMC11152093 DOI: 10.1080/19490976.2024.2359500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Accepted: 05/21/2024] [Indexed: 06/04/2024] Open
Abstract
The gut microbiota has been implicated as a driver of irritable bowel syndrome (IBS) and inflammatory bowel disease (IBD). Recently we described, mucosal biofilms, signifying alterations in microbiota composition and bile acid (BA) metabolism in IBS and ulcerative colitis (UC). Luminal oxygen concentration is a key factor in the gastrointestinal (GI) ecosystem and might be increased in IBS and UC. Here we analyzed the role of archaea as a marker for hypoxia in mucosal biofilms and GI homeostasis. The effects of archaea on microbiome composition and metabolites were analyzed via amplicon sequencing and untargeted metabolomics in 154 stool samples of IBS-, UC-patients and controls. Mucosal biofilms were collected in a subset of patients and examined for their bacterial, fungal and archaeal composition. Absence of archaea, specifically Methanobrevibacter, correlated with disrupted GI homeostasis including decreased microbial diversity, overgrowth of facultative anaerobes and conjugated secondary BA. IBS-D/-M was associated with absence of archaea. Presence of Methanobrevibacter correlated with Oscillospiraceae and epithelial short chain fatty acid metabolism and decreased levels of Ruminococcus gnavus. Absence of fecal Methanobrevibacter may indicate a less hypoxic GI environment, reduced fatty acid oxidation, overgrowth of facultative anaerobes and disrupted BA deconjugation. Archaea and Ruminococcus gnavus could distinguish distinct subtypes of mucosal biofilms. Further research on the connection between archaea, mucosal biofilms and small intestinal bacterial overgrowth should be performed.
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Affiliation(s)
- Elisabeth Orgler
- Division of Gastroenterology and Hepatology, Department of Internal Medicine 3, Medical University of Vienna, Vienna, Austria
- Diagnostic and Research Center for Molecular BioMedicine, Diagnostic and Research Institute of Hygiene, Microbiology and Environmental Medicine, Medical University of Graz, Graz, Austria
- Department of Medicine II, University Hospital, Munich, Germany
| | - Maximilian Baumgartner
- Division of Gastroenterology and Hepatology, Department of Internal Medicine 3, Medical University of Vienna, Vienna, Austria
| | - Stefanie Duller
- Diagnostic and Research Center for Molecular BioMedicine, Diagnostic and Research Institute of Hygiene, Microbiology and Environmental Medicine, Medical University of Graz, Graz, Austria
| | - Christina Kumptisch
- Diagnostic and Research Center for Molecular BioMedicine, Diagnostic and Research Institute of Hygiene, Microbiology and Environmental Medicine, Medical University of Graz, Graz, Austria
| | - Bela Hausmann
- Centre for Microbiology and Environmental Systems Science, Joint Microbiome Facility of the Medical University of Vienna and the University of Vienna, Vienna, Austria
- Division of Microbiology, Department of Laboratory Medicine, Medical University of Vienna, Vienna, Austria
| | - Doris Moser
- Department of Cranio-Maxillofacial and Oral Surgery, Medical University of Vienna, Vienna, Austria
| | - Vineeta Khare
- Division of Gastroenterology and Hepatology, Department of Internal Medicine 3, Medical University of Vienna, Vienna, Austria
| | - Michaela Lang
- Division of Gastroenterology and Hepatology, Department of Internal Medicine 3, Medical University of Vienna, Vienna, Austria
- Centre for Microbiology and Environmental Systems Science, Joint Microbiome Facility of the Medical University of Vienna and the University of Vienna, Vienna, Austria
| | - Thomas Köcher
- Metabolomics Service and Research Facility, Vienna Biocenter Core Facilities, Vienna, Austria
| | - Adrian Frick
- Division of Gastroenterology and Hepatology, Department of Internal Medicine 3, Medical University of Vienna, Vienna, Austria
| | - Markus Muttenthaler
- Faculty of Chemistry, Institute of Biological Chemistry, University of Vienna, Vienna, Austria
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, Australia
| | - Athanasios Makristathis
- Centre for Microbiology and Environmental Systems Science, Joint Microbiome Facility of the Medical University of Vienna and the University of Vienna, Vienna, Austria
- Division of Microbiology, Department of Laboratory Medicine, Medical University of Vienna, Vienna, Austria
| | - Christine Moissl-Eichinger
- Diagnostic and Research Center for Molecular BioMedicine, Diagnostic and Research Institute of Hygiene, Microbiology and Environmental Medicine, Medical University of Graz, Graz, Austria
| | - Christoph Gasche
- Division of Gastroenterology and Hepatology, Department of Internal Medicine 3, Medical University of Vienna, Vienna, Austria
- Loha for Life, Center for Gastroenterology and Iron Deficiency, Vienna, Austria
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21
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Shin A. Editorial: Antibiotics as a risk factor for irritable bowel syndrome. Aliment Pharmacol Ther 2024; 59:130-131. [PMID: 38085948 DOI: 10.1111/apt.17778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2023]
Abstract
LINKED CONTENTThis article is linked to Staller et al paper. To view this article, visit https://doi.org/10.1111/apt.17736
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Affiliation(s)
- Andrea Shin
- Vatche and Tamar Manoukian Division of Digestive Diseases at the University of California Los Angeles, Los Angeles, California, USA
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22
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Martinez-Lomeli J, Deol P, Deans JR, Jiang T, Ruegger P, Borneman J, Sladek FM. Impact of various high fat diets on gene expression and the microbiome across the mouse intestines. Sci Rep 2023; 13:22758. [PMID: 38151490 PMCID: PMC10752901 DOI: 10.1038/s41598-023-49555-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2023] [Accepted: 12/09/2023] [Indexed: 12/29/2023] Open
Abstract
High fat diets (HFDs) have been linked to several diseases including obesity, diabetes, fatty liver, inflammatory bowel disease (IBD) and colon cancer. In this study, we examined the impact on intestinal gene expression of three isocaloric HFDs that differed only in their fatty acid composition-coconut oil (saturated fats), conventional soybean oil (polyunsaturated fats) and a genetically modified soybean oil (monounsaturated fats). Four functionally distinct segments of the mouse intestinal tract were analyzed using RNA-seq-duodenum, jejunum, terminal ileum and proximal colon. We found considerable dysregulation of genes in multiple tissues with the different diets, including those encoding nuclear receptors and genes involved in xenobiotic and drug metabolism, epithelial barrier function, IBD and colon cancer as well as genes associated with the microbiome and COVID-19. Network analysis shows that genes involved in metabolism tend to be upregulated by the HFDs while genes related to the immune system are downregulated; neurotransmitter signaling was also dysregulated by the HFDs. Genomic sequencing also revealed a microbiome altered by the HFDs. This study highlights the potential impact of different HFDs on gut health with implications for the organism as a whole and will serve as a reference for gene expression along the length of the intestines.
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Affiliation(s)
- Jose Martinez-Lomeli
- Genetics, Genomics and Bioinformatics Graduate Program, University of California, Riverside, CA, 92521, USA
- Department of Molecular, Cell and Systems Biology, University of California, Riverside, CA, 92521, USA
| | - Poonamjot Deol
- Department of Molecular, Cell and Systems Biology, University of California, Riverside, CA, 92521, USA.
- Department of Microbiology and Plant Pathology, University of California, Riverside, CA, 92521, USA.
| | - Jonathan R Deans
- Department of Molecular, Cell and Systems Biology, University of California, Riverside, CA, 92521, USA
| | - Tao Jiang
- Department of Computer Science and Engineering, University of California, Riverside, CA, 92521, USA
- Institute of Integrated Genome Biology, University of California, Riverside, CA, 92521, USA
| | - Paul Ruegger
- Institute of Integrated Genome Biology, University of California, Riverside, CA, 92521, USA
- Department of Microbiology and Plant Pathology, University of California, Riverside, CA, 92521, USA
| | - James Borneman
- Institute of Integrated Genome Biology, University of California, Riverside, CA, 92521, USA
- Department of Microbiology and Plant Pathology, University of California, Riverside, CA, 92521, USA
| | - Frances M Sladek
- Department of Molecular, Cell and Systems Biology, University of California, Riverside, CA, 92521, USA
- Institute of Integrated Genome Biology, University of California, Riverside, CA, 92521, USA
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23
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Spari D, Zwicky SN, Yilmaz B, Salm L, Candinas D, Beldi G. Intestinal dysbiosis as an intraoperative predictor of septic complications: evidence from human surgical cohorts and preclinical models of peritoneal sepsis. Sci Rep 2023; 13:22921. [PMID: 38129468 PMCID: PMC10739899 DOI: 10.1038/s41598-023-49034-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 12/03/2023] [Indexed: 12/23/2023] Open
Abstract
Major surgery exposes the intestinal microbiota to inflammatory and antibiotic stressors, which alter the microbiota composition of the intestinal lumen and fecal contents. However, it is not sufficiently understood, if such dysbiosis develops already during surgery and if alterations in microbiota may be the cause of surgical complications. End-of-surgery composition of the microbiota in the rectum was assessed in 41 patients undergoing either rectal or duodenopancreatic resection and was compared to baseline before surgery using 16S-rRNA sequencing. A subset of patients developed severe dysbiosis at the end of surgery, which was characterized by an overgrowth of the Proteobacteria phylum that includes the facultative pathogen E. coli. To test if dysbiosis impacts on surgical outcomes, dysbiosis was modeled in mice by a single oral administration of vancomycin prior to cecal ligation and puncture. Dysbiosis was associated with impaired post-surgical survival, dysregulation of the host's immune response, elevated bacterial virulence and reduced bacterial metabolism of carbon sources. In conclusion, dysbiosis can be detected already at the end of surgery in a fraction of patients undergoing major surgery. Modelling surgery-associated dysbiosis in mice using single-shot administration of vancomycin induced dysbiosis and resulted in elevated mortality.
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Affiliation(s)
- Daniel Spari
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, Freiburgstrasse 18, 3010, Bern, Switzerland
| | - Simone N Zwicky
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, Freiburgstrasse 18, 3010, Bern, Switzerland
| | - Bahtiyar Yilmaz
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, Freiburgstrasse 18, 3010, Bern, Switzerland
| | - Lilian Salm
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, Freiburgstrasse 18, 3010, Bern, Switzerland
| | - Daniel Candinas
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, Freiburgstrasse 18, 3010, Bern, Switzerland
| | - Guido Beldi
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, Freiburgstrasse 18, 3010, Bern, Switzerland.
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24
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Sánchez-Quintero MJ, Rodríguez-Díaz C, Rodríguez-González FJ, Fernández-Castañer A, García-Fuentes E, López-Gómez C. Role of Mitochondria in Inflammatory Bowel Diseases: A Systematic Review. Int J Mol Sci 2023; 24:17124. [PMID: 38069446 PMCID: PMC10707203 DOI: 10.3390/ijms242317124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Revised: 11/27/2023] [Accepted: 11/30/2023] [Indexed: 12/18/2023] Open
Abstract
Mitochondria are key cellular organelles whose main function is maintaining cell bioenergetics by producing ATP through oxidative phosphorylation. However, mitochondria are involved in a much higher number of cellular processes. Mitochondria are the home of key metabolic pathways like the tricarboxylic acid cycle and β-oxidation of fatty acids, as well as biosynthetic pathways of key products like nucleotides and amino acids, the control of the redox balance of the cell and detoxifying the cell from H2S and NH3. This plethora of critical functions within the cell is the reason mitochondrial function is involved in several complex disorders (apart from pure mitochondrial disorders), among them inflammatory bowel diseases (IBD). IBD are a group of chronic, inflammatory disorders of the gut, mainly composed of ulcerative colitis and Crohn's disease. In this review, we present the current knowledge regarding the impact of mitochondrial dysfunction in the context of IBD. The role of mitochondria in both intestinal mucosa and immune cell populations are discussed, as well as the role of mitochondrial function in mechanisms like mucosal repair, the microbiota- and brain-gut axes and the development of colitis-associated colorectal cancer.
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Affiliation(s)
- María José Sánchez-Quintero
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, 29590 Málaga, Spain; (M.J.S.-Q.); (C.R.-D.); (A.F.-C.)
- Unidad de Gestión Clínica Cardiología y Cirugía Cardiovascular, Hospital Universitario Virgen de la Victoria, 29010 Málaga, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Cristina Rodríguez-Díaz
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, 29590 Málaga, Spain; (M.J.S.-Q.); (C.R.-D.); (A.F.-C.)
- Unidad de Gestión Clínica de Aparato Digestivo, Hospital Universitario Virgen de la Victoria, 29010 Málaga, Spain
| | - Francisco J. Rodríguez-González
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, 29590 Málaga, Spain; (M.J.S.-Q.); (C.R.-D.); (A.F.-C.)
- Unidad de Gestión Clínica de Aparato Digestivo, Hospital Universitario Virgen de la Victoria, 29010 Málaga, Spain
| | - Alejandra Fernández-Castañer
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, 29590 Málaga, Spain; (M.J.S.-Q.); (C.R.-D.); (A.F.-C.)
- Unidad de Gestión Clínica de Aparato Digestivo, Hospital Universitario Virgen de la Victoria, 29010 Málaga, Spain
| | - Eduardo García-Fuentes
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, 29590 Málaga, Spain; (M.J.S.-Q.); (C.R.-D.); (A.F.-C.)
- Unidad de Gestión Clínica de Aparato Digestivo, Hospital Universitario Virgen de la Victoria, 29010 Málaga, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Carlos López-Gómez
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, 29590 Málaga, Spain; (M.J.S.-Q.); (C.R.-D.); (A.F.-C.)
- Unidad de Gestión Clínica de Aparato Digestivo, Hospital Universitario Virgen de la Victoria, 29010 Málaga, Spain
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25
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Fishbein SRS, Mahmud B, Dantas G. Antibiotic perturbations to the gut microbiome. Nat Rev Microbiol 2023; 21:772-788. [PMID: 37491458 DOI: 10.1038/s41579-023-00933-y] [Citation(s) in RCA: 46] [Impact Index Per Article: 46.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/15/2023] [Indexed: 07/27/2023]
Abstract
Antibiotic-mediated perturbation of the gut microbiome is associated with numerous infectious and autoimmune diseases of the gastrointestinal tract. Yet, as the gut microbiome is a complex ecological network of microorganisms, the effects of antibiotics can be highly variable. With the advent of multi-omic approaches for systems-level profiling of microbial communities, we are beginning to identify microbiome-intrinsic and microbiome-extrinsic factors that affect microbiome dynamics during antibiotic exposure and subsequent recovery. In this Review, we discuss factors that influence restructuring of the gut microbiome on antibiotic exposure. We present an overview of the currently complex picture of treatment-induced changes to the microbial community and highlight essential considerations for future investigations of antibiotic-specific outcomes. Finally, we provide a synopsis of available strategies to minimize antibiotic-induced damage or to restore the pretreatment architectures of the gut microbial community.
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Affiliation(s)
- Skye R S Fishbein
- The Edison Family Center for Genome Sciences and Systems Biology, Washington University School of Medicine, St. Louis, MO, USA
- Department of Pathology and Immunology, Division of Laboratory and Genomic Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Bejan Mahmud
- The Edison Family Center for Genome Sciences and Systems Biology, Washington University School of Medicine, St. Louis, MO, USA
| | - Gautam Dantas
- The Edison Family Center for Genome Sciences and Systems Biology, Washington University School of Medicine, St. Louis, MO, USA.
- Department of Pathology and Immunology, Division of Laboratory and Genomic Medicine, Washington University School of Medicine, St. Louis, MO, USA.
- Department of Molecular Microbiology, Washington University School of Medicine, St. Louis, MO, USA.
- Department of Biomedical Engineering, Washington University in St. Louis, St. Louis, MO, USA.
- Department of Pediatrics, Washington University School of Medicine, St. Louis, MO, USA.
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26
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Shi Q, Wang J, Zhou M, Zheng R, Zhang X, Liu B. Gut Lactobacillus contribute to the progression of breast cancer by affecting the anti-tumor activities of immune cells in the TME of tumor-bearing mice. Int Immunopharmacol 2023; 124:111039. [PMID: 37862739 DOI: 10.1016/j.intimp.2023.111039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 10/07/2023] [Accepted: 10/08/2023] [Indexed: 10/22/2023]
Abstract
Studies have proven that gut microbiota dysbiosis may influence the carcinogenesis and outcomes of multiple cancers. However, it is still unclear whether gut microbiota dysbiosis affect the progression of breast cancer, especially triple-negative breast cancer. In the present study, by using gut microbiota dysbiosis murine model established by treatment of mice with streptomycin, we found Lactobacillus and the metabolite-lactic acid are the pivotal factors for 4T1 tumor progression. In fact, streptomycin-treated mice exhibited slower tumor growth, in parallel with less abundance of Lactobacillus in the gut. Supplementation with Lactobacillus resulted in a rapid tumor growth, following a decrease in the expression of mRNAs for anti-tumor-related factors but an increase in the M2 polarization. The elevated percentages of IFN-γ-producing CD4+T cells and CD8+T cells in the tumor microenvironment of streptomycin-treated tumor-bearing mice may be vanished by supplementation of Lactobacillus. It seems likely that lactobacillus-mediated pro-tumor effect is related to the production of lactic acid. A decrease in the levels of lactic acid in the cecal feces and tumor tissues were observed in streptomycin-treated tumor bearing mice. However, supplementation of Lactobacillus can restore streptomycin-reduced concentration of lactic acid in the tumor tissues, suggesting that gut Lactobacillus are the source of lactic acid. Bioinformatics analysis result suggests high concentration of lactic acid in tumor sites may be related to the diminished anti-tumor immunity in the TME. This study reveals a correlation between gut Lactobacillus and tumor progression in a murine 4T1 tumor model, providing experimental evidence for clinical treatment of breast cancer.
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Affiliation(s)
- Qi Shi
- Department of Pathogenic Microbiology, School of Basic Medical Science, China Medical University, Shenyang 110122, China
| | - Jia Wang
- Department of Pathogenic Microbiology, School of Basic Medical Science, China Medical University, Shenyang 110122, China
| | - Mengnan Zhou
- Department of Pathogenic Microbiology, School of Basic Medical Science, China Medical University, Shenyang 110122, China
| | - Rui Zheng
- Department of Pathogenic Microbiology, School of Basic Medical Science, China Medical University, Shenyang 110122, China
| | - Xiaoli Zhang
- Department of Pathogenic Microbiology, School of Basic Medical Science, China Medical University, Shenyang 110122, China
| | - Beixing Liu
- Department of Pathogenic Microbiology, School of Basic Medical Science, China Medical University, Shenyang 110122, China.
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27
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Fu Y, Lyu J, Wang S. The role of intestinal microbes on intestinal barrier function and host immunity from a metabolite perspective. Front Immunol 2023; 14:1277102. [PMID: 37876938 PMCID: PMC10591221 DOI: 10.3389/fimmu.2023.1277102] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Accepted: 09/21/2023] [Indexed: 10/26/2023] Open
Abstract
The gut is colonized by many commensal microorganisms, and the diversity and metabolic patterns of microorganisms profoundly influence the intestinal health. These microbial imbalances can lead to disorders such as inflammatory bowel disease (IBD). Microorganisms produce byproducts that act as signaling molecules, triggering the immune system in the gut mucosa and controlling inflammation. For example, metabolites like short-chain fatty acids (SCFA) and secondary bile acids can release inflammatory-mediated signals by binding to specific receptors. These metabolites indirectly affect host health and intestinal immunity by interacting with the intestinal epithelial and mucosal immune cells. Moreover, Tryptophan-derived metabolites also play a role in governing the immune response by binding to aromatic hydrocarbon receptors (AHR) located on the intestinal mucosa, enhancing the intestinal epithelial barrier. Dietary-derived indoles, which are synthetic precursors of AHR ligands, work together with SCFA and secondary bile acids to reduce stress on the intestinal epithelium and regulate inflammation. This review highlights the interaction between gut microbial metabolites and the intestinal immune system, as well as the crosstalk of dietary fiber intake in improving the host microbial metabolism and its beneficial effects on the organism.
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Affiliation(s)
- Yifeng Fu
- Department of Cardiology, The Affiliated Wenling Hospital of Wenzhou Medical University (The First People’s Hospital of Wenling), Wenling, Zhejiang, China
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, Hunan, China
| | - Jin Lyu
- Department of Pathology, the First People’s Hospital of Foshan, Foshan, Guangdong, China
| | - Shuangshuang Wang
- Department of Cardiology, The Affiliated Wenling Hospital of Wenzhou Medical University (The First People’s Hospital of Wenling), Wenling, Zhejiang, China
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28
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Martinez-Lomeli J, Deol P, Deans JR, Jiang T, Ruegger P, Borneman J, Sladek FM. Impact of Various High Fat Diets on Gene Expression and the Microbiome Across the Mouse Intestines. RESEARCH SQUARE 2023:rs.3.rs-3401763. [PMID: 37886485 PMCID: PMC10602159 DOI: 10.21203/rs.3.rs-3401763/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2023]
Abstract
High fat diets (HFDs) have been linked to several diseases including obesity, diabetes, fatty liver, inflammatory bowel disease (IBD) and colon cancer. In this study, we examined the impact on intestinal gene expression of three isocaloric HFDs that differed only in their fatty acid composition - coconut oil (saturated fats), conventional soybean oil (polyunsaturated fats) and a genetically modified soybean oil (monounsaturated fats). Four functionally distinct segments of the mouse intestinal tract were analyzed using RNA-seq - duodenum, jejunum, terminal ileum and proximal colon. We found considerable dysregulation of genes in multiple tissues with the different diets, including those encoding nuclear receptors and genes involved in xenobiotic and drug metabolism, epithelial barrier function, IBD and colon cancer as well as genes associated with the microbiome and COVID-19. Network analysis shows that genes involved in metabolism tend to be upregulated by the HFDs while genes related to the immune system are downregulated; neurotransmitter signaling was also dysregulated by the HFDs. Genomic sequencing also revealed a microbiome altered by the HFDs. This study highlights the potential impact of different HFDs on gut health with implications for the organism as a whole and will serve as a reference for gene expression along the length of the intestines.
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29
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Yuan C, He Y, Xie K, Feng L, Gao S, Cai L. Review of microbiota gut brain axis and innate immunity in inflammatory and infective diseases. Front Cell Infect Microbiol 2023; 13:1282431. [PMID: 37868345 PMCID: PMC10585369 DOI: 10.3389/fcimb.2023.1282431] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Accepted: 09/20/2023] [Indexed: 10/24/2023] Open
Abstract
The microbiota gut brain (MGB) axis has been shown to play a significant role in the regulation of inflammatory and infective diseases. Exploring the structure and communication mode of MGB axis is crucial for understanding its role in diseases, and studying the signaling pathways and regulatory methods of MGB axis regulation in diseases is also of profound significance for future clinical research. This article reviews the composition, communication mechanism of MGB axis and its role in inflammatory and infective diseases, including Parkinson's disease (PD), Alzheimer's disease (AD), multiple sclerosis (MS), autism spectrum disorder (ASD), depression, psoriasis, irritable bowel syndrome (IBS), and inflammatory bowel diseases (IBD). In addition, our investigation delved into the regulatory functions of the inflammasome, IFN-I, NF-κB, and PARK7/DJ-1 innate immune signaling pathway in the context of inflammatory and infective diseases. Ultimately, we discussed the efficacy of various interventions, including fecal microbiota transplantation (FMT), antibiotics, probiotics, prebiotics, synbiotics, and postbiotics, in the management of inflammatory and infective diseases. Understanding the role and mechanism of the MGB axis might make positive effects in the treatment of inflammatory and infective diseases.
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Affiliation(s)
- Chongshan Yuan
- Department of Obstetrics, China-Japan Union Hospital of Jilin University, Changchun, Jilin, China
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Jilin University, Changchun, Jilin, China
| | - Yuhong He
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Jilin University, Changchun, Jilin, China
| | - Kunyu Xie
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Jilin University, Changchun, Jilin, China
| | - Lianjun Feng
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Jilin University, Changchun, Jilin, China
| | - Shouyang Gao
- Department of Obstetrics, China-Japan Union Hospital of Jilin University, Changchun, Jilin, China
| | - Lifu Cai
- Department of Obstetrics, China-Japan Union Hospital of Jilin University, Changchun, Jilin, China
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Wang Y, Lai H, Zhang T, Wu J, Tang H, Liang X, Ren D, Huang J, Li W. Mitochondria of intestinal epithelial cells in depression: Are they at a crossroads of gut-brain communication? Neurosci Biobehav Rev 2023; 153:105403. [PMID: 37742989 DOI: 10.1016/j.neubiorev.2023.105403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 09/11/2023] [Accepted: 09/20/2023] [Indexed: 09/26/2023]
Abstract
The role of gut dysbiosis in depression is well established. However, recent studies have shown that gut microbiota is regulated by intestinal epithelial cell (IEC) mitochondria, which has yet to receive much attention. This review summarizes the recent developments about the critical role of IEC mitochondria in actively maintaining gut microbiota, intestinal metabolism, and immune homeostasis. We propose that IEC mitochondrial dysfunction alters gut microbiota composition, participates in cell fate, mediates oxidative stress, activates the peripheral immune system, causes peripheral inflammation, and transmits peripheral signals through the vagus and enteric nervous systems. These pathological alterations lead to brain inflammation, disruption of the blood-brain barrier, activation of the hypothalamic-pituitary-adrenal axis, activation of microglia and astrocytes, induction of neuronal loss, and ultimately depression. Furthermore, we highlight the prospect of treating depression through the mitochondria of IECs. These new findings suggest that the mitochondria of IECs may be a newly found important factor in the pathogenesis of depression and represent a potential new strategy for treating depression.
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Affiliation(s)
- Yi Wang
- Basic Medical College, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan Province 610000, PR China
| | - Han Lai
- School of Foreign Languages, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan Province 610000, PR China
| | - Tian Zhang
- Basic Medical College, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan Province 610000, PR China
| | - Jing Wu
- Basic Medical College, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan Province 610000, PR China
| | - Huiling Tang
- Basic Medical College, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan Province 610000, PR China
| | - Xuanwei Liang
- Basic Medical College, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan Province 610000, PR China
| | - Dandan Ren
- Basic Medical College, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan Province 610000, PR China
| | - Jinzhu Huang
- School of Nursing, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan Province 610000, PR China.
| | - Weihong Li
- Basic Medical College, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan Province 610000, PR China.
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Shao X, Liu L, Zhou Y, Zhong K, Gu J, Hu T, Yao Y, Zhou C, Chen W. High-fat diet promotes colitis-associated tumorigenesis by altering gut microbial butyrate metabolism. Int J Biol Sci 2023; 19:5004-5019. [PMID: 37781523 PMCID: PMC10539701 DOI: 10.7150/ijbs.86717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 09/13/2023] [Indexed: 10/03/2023] Open
Abstract
Background: Dietary fat intake is associated with an increased risk of colitis associated cancer (CAC). A high-fat diet (HFD) leads to systemic low-grade inflammation. The colon is believed to be the first organ suffering from inflammation caused by the infiltration of pro-inflammatory macrophages, and promotes CAC progression. We explored the role of HFD in driving CAC by altering gut microbial butyrate metabolism. Methods: Changes in the gut microbiota caused by HFD were investigated via HFD treatment or fecal microbiota transplantation (FMT). The underlying mechanisms were further explored by analyzing the role of gut microbiota, microbial butyrate metabolism, and NLRP3 inflammasome in colon tissues in a CAC mouse model. Results: HFD accelerated CAC progression in mice, and it could be reversed by broad-spectrum antibiotics (ABX). 16S-rRNA sequencing revealed that HFD inhibited the abundance of butyrate-producing bacteria in the gut. The level of short-chain fatty acids (SCFAs), especially butyrate, in the gut of mice treated with HFD was significantly reduced. In addition, treatment with exogenous butyrate reversed the M1 polarization of proinflammatory macrophages, aggravation of intestinal inflammation, and accelerated tumor growth induced by HFD; the NLRP3/Caspase-1 pathway activated by HFD in the colon was also significantly inhibited. In vitro, macrophages were treated with lipopolysaccharide combined with butyrate to detect the M1 polarization level and NLRP3/Caspase-1 pathway expression, and the results were consistent with those of the in vivo experiments. Conclusion: HFD drives colitis-associated tumorigenesis by inducing gut microbial dysbiosis and inhibiting butyrate metabolism to skew macrophage polarization. Exogenous butyrate is a feasible new treatment strategy for CAC, and has good prospect for clinical application.
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Affiliation(s)
- Xinyu Shao
- Department of Gastroenterology, The First Affiliated Hospital of Soochow University, Suzhou 215006, Jiangsu, China
- Department of Gastroenterology, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou 215008, Jiangsu, China
| | - Luojie Liu
- Department of Gastroenterology, Changshu Hospital Affiliated to Soochow University, Suzhou 215000, Jiangsu, China
| | - Yuqing Zhou
- Department of Gastroenterology, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou 215008, Jiangsu, China
| | - Kaiqiang Zhong
- Department of General Surgery, The First Affiliated Hospital of Soochow University, Suzhou 215006, Jiangsu, China
| | - Jinrong Gu
- Department of General Surgery, The First Affiliated Hospital of Soochow University, Suzhou 215006, Jiangsu, China
| | - Tong Hu
- Department of Gastroenterology, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou 215008, Jiangsu, China
| | - Yizhou Yao
- Department of General Surgery, The First Affiliated Hospital of Soochow University, Suzhou 215006, Jiangsu, China
| | - Chunli Zhou
- Department of Gastroenterology, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou 215008, Jiangsu, China
| | - Weichang Chen
- Department of Gastroenterology, The First Affiliated Hospital of Soochow University, Suzhou 215006, Jiangsu, China
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Penumutchu S, Korry BJ, Hewlett K, Belenky P. Fiber supplementation protects from antibiotic-induced gut microbiome dysbiosis by modulating gut redox potential. Nat Commun 2023; 14:5161. [PMID: 37620319 PMCID: PMC10449846 DOI: 10.1038/s41467-023-40553-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Accepted: 07/31/2023] [Indexed: 08/26/2023] Open
Abstract
Antibiotic-induced gut dysbiosis (AID) is a frequent and serious side effect of antibiotic use and mitigating this dysbiosis is a critical therapeutic target. We propose that the host diet can modulate the chemical environment of the gut resulting in changes to the structure and function of the microbiome during antibiotic treatment. Gut dysbiosis is typically characterized by increases in aerobic respiratory bacterial metabolism, redox potential, and abundance of Proteobacteria. In this study, we explore dietary fiber supplements as potential modulators of the chemical environment in the gut to reduce this pattern of dysbiosis. Using defined-diets and whole-genome sequencing of female murine microbiomes during diet modulation and antibiotic treatment, we find that fiber prebiotics significantly reduced the impact of antibiotic treatment on microbiome composition and function. We observe reduced abundance of aerobic bacteria as well as metabolic pathways associated with oxidative metabolism. These metatranscriptomic results are corroborated by chemical measurements of eH and pH suggesting that fiber dampens the dysbiotic effects of antibiotics. This work indicates that fiber may act as a potential therapeutic for AID by modulating bacterial metabolism in the gut to prevent an increase in redox potential and protect commensal microbes during antibiotic treatment.
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Affiliation(s)
- Swathi Penumutchu
- Department of Molecular Microbiology and Immunology, Brown University, Providence, RI, 02912, USA
| | - Benjamin J Korry
- Department of Molecular Microbiology and Immunology, Brown University, Providence, RI, 02912, USA
| | - Katharine Hewlett
- Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Peter Belenky
- Department of Molecular Microbiology and Immunology, Brown University, Providence, RI, 02912, USA.
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Hao W, Cha R, Wang M, Li J, Guo H, Du R, Zhou F, Jiang X. Ligand-Modified Gold Nanoparticles as Mitochondrial Modulators: Regulation of Intestinal Barrier and Therapy for Constipation. ACS NANO 2023; 17:13377-13392. [PMID: 37449942 DOI: 10.1021/acsnano.3c01656] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/18/2023]
Abstract
Intestinal metabolism-related diseases, such as constipation, inflammatory bowel disease, irritable bowel syndrome, and colorectal cancer, could be associated with the dysfunction of intestinal mitochondria. The mitochondria of intestinal epithelial cells are of great significance for promoting intestinal motility and maintaining intestinal metabolism. It is necessary for the prophylaxis and therapy of intestinal metabolism-related diseases to improve mitochondrial function. We investigated the effect of 4,6-diamino-2-pyrimidinethiol-modified gold nanoparticles (D-Au NPs) on intestinal mitochondria and studied the regulatory role of D-Au NPs on mitochondria metabolism-related disease. D-Au NPs improved the antioxidation capability of mitochondria, regulated the mitochondrial metabolism, and maintained intestinal cellular homeostasis via the activation of AMPK and regulation of PGC-1α with its downstream signaling (UCP2 and DRP1), enhancing the intestinal mechanical barrier. D-Au NPs improved the intestinal mitochondrial function to intervene in the emergence of constipation, which could help develop drugs to treat and prevent mitochondrial metabolism-related diseases. Our findings provided an in-depth understanding of the mitochondrial effects of Au NPs for improving human intestinal barriers.
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Affiliation(s)
- Wenshuai Hao
- Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences (Beijing), Beijing 100083, P. R. China
- Laboratory of Theoretical and Computational Nanoscience, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, P.R. China
| | - Ruitao Cha
- Laboratory of Theoretical and Computational Nanoscience, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, P.R. China
| | - Mingzheng Wang
- Laboratory of Theoretical and Computational Nanoscience, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, P.R. China
| | - Juanjuan Li
- Laboratory of Theoretical and Computational Nanoscience, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, P.R. China
| | - Hongbo Guo
- Laboratory of Theoretical and Computational Nanoscience, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, P.R. China
| | - Ran Du
- Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Shenzhen Key Laboratory of Agricultural Synthetic Biology, Genome Analysis Laboratory of the Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518124, China
| | - Fengshan Zhou
- Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences (Beijing), Beijing 100083, P. R. China
| | - Xingyu Jiang
- Guangdong Provincial Key Laboratory of Advanced Biomaterials, Shenzhen Key Laboratory of Smart Healthcare Engineering, Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, Guangdong 518055, P. R. China
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Sun P, Wang M, Liu YX, Li L, Chai X, Zheng W, Chen S, Zhu X, Zhao S. High-fat diet-disturbed gut microbiota-colonocyte interactions contribute to dysregulating peripheral tryptophan-kynurenine metabolism. MICROBIOME 2023; 11:154. [PMID: 37468922 PMCID: PMC10355067 DOI: 10.1186/s40168-023-01606-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Accepted: 06/20/2023] [Indexed: 07/21/2023]
Abstract
BACKGROUND Aberrant tryptophan (Trp)-kynurenine (Kyn) metabolism has been implicated in the pathogenesis of human disease. In particular, populations with long-term western-style diets are characterized by an excess of Kyn in the plasma. Host-gut microbiota interactions are dominated by diet and are essential for maintaining host metabolic homeostasis. However, the role of western diet-disturbed gut microbiota-colonocyte interactions in Trp metabolism remains to be elucidated. RESULTS Here, 4-week-old mice were fed with a high-fat diet (HFD), representing a typical western diet, for 4 weeks, and multi-omics approaches were adopted to determine the mechanism by which HFD disrupted gut microbiota-colonocyte interplay causing serum Trp-Kyn metabolism dysfunction. Our results showed that colonocyte-microbiota interactions dominated the peripheral Kyn pathway in HFD mice. Mechanistically, persistent HFD-impaired mitochondrial bioenergetics increased colonic epithelial oxygenation and caused metabolic reprogramming in colonites to support the expansion of Proteobacteria in the colon lumen. Phylum Proteobacteria-derived lipopolysaccharide (LPS) stimulated colonic immune responses to upregulate the indoleamine 2,3-dioxygenase 1 (IDO1)-mediated Kyn pathway, leading to Trp depletion and Kyn accumulation in the circulation, which was further confirmed by transplantation of Escherichia coli (E.coli) indicator strains and colonic IDO1 depletion. Butyrate supplementation promoted mitochondrial functions in colonocytes to remodel the gut microbiota in HFD mice, consequently ameliorating serum Kyn accumulation. CONCLUSIONS Our results highlighted that HFD disrupted the peripheral Kyn pathway in a gut microbiota-dependent manner and that the continuous homeostasis of gut bacteria-colonocytes interplay played a central role in the regulation of host peripheral Trp metabolism. Meanwhile, this study provided new insights into therapies against western diet-related metabolic disorders. Video Abstract.
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Affiliation(s)
- Penghao Sun
- College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Mengli Wang
- College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Yong-Xin Liu
- Shenzhen Branch, Guangdong Laboratory of Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, 518120, Guangdong, China
| | - Luqi Li
- Life Science Research Core Services, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Xuejun Chai
- College of Basic Medicine, Xi'an Medical University, Xi'an, 710000, Shaanxi, China.
| | - Wei Zheng
- College of Resources and Environment Sciences, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Shulin Chen
- College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Xiaoyan Zhu
- College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, Shaanxi, China.
| | - Shanting Zhao
- College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, Shaanxi, China.
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Oh SJ, Kim HJ, Lee CK. A dose-dependent increase in the risk of inflammatory bowel disease after exposure to broad-spectrum antibiotics: A national population study in Korea. Aliment Pharmacol Ther 2023; 58:191-206. [PMID: 37154240 DOI: 10.1111/apt.17542] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 12/26/2022] [Accepted: 04/24/2023] [Indexed: 05/10/2023]
Abstract
BACKGROUND The association between antibiotic use and risk of inflammatory bowel disease (IBD), particularly among adults, remains unclear. Furthermore, there is a scarcity of data among non-Western countries. AIMS To investigate the association and dose-response relationships between antibiotic use and subsequent IBD risk across all ages METHODS: This population-based case-control analysis used data from the Korean National Health Insurance Service database (2004-2018). We compared 68,633 patients with new-onset IBD to matched controls (n = 343,165) using multivariable conditional logistic regression analysis. We also examined the dose-response relationship using non-linear regression analysis, and separately analysed childhood-onset IBD (aged ≤14 years) risk following early-life antibiotic exposure. RESULTS The mean age at diagnosis was 45.2 ± 16.8 years. Antibiotic prescriptions between 2 and 5 years before diagnosis significantly increased the odds of developing IBD (adjusted odds ratio [OR], 1.24; 95% confidence interval [CI]: 1.21-1.27). Additionally, sensitivity analysis revealed an elevated risk up to 9 years before diagnosis. Broad-spectrum antibiotics increased IBD risk, independent of gastroenteritis. A distinct dose-response relationship was observed irrespective of the IBD subtype and study population (all p < 0.001). Furthermore, antibiotic exposure within the first year of life was linked with the risk of childhood-onset IBD (OR, 1.51; 95% CI: 1.25-1.82). CONCLUSIONS Broad-spectrum antibiotics dose-dependently increased the risk for IBD in the Korean population. Our findings provide a fundamental epidemiological basis for identifying antibiotic use as a significant risk factor for IBD across different environmental backgrounds.
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Affiliation(s)
- Shin Ju Oh
- Department of Gastroenterology, Center for Crohn's and Colitis, Kyung Hee University College of Medicine, Seoul, South Korea
| | - Hyo Jong Kim
- Department of Gastroenterology, Center for Crohn's and Colitis, Kyung Hee University College of Medicine, Seoul, South Korea
| | - Chang Kyun Lee
- Department of Gastroenterology, Center for Crohn's and Colitis, Kyung Hee University College of Medicine, Seoul, South Korea
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Wu D, Wang X, Yang X, Gu L, McGeachy MJ, Liu X. Temporary consumption of western diet trains the immune system to reduce future gut inflammation. iScience 2023; 26:106915. [PMID: 37305694 PMCID: PMC10250831 DOI: 10.1016/j.isci.2023.106915] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 03/23/2023] [Accepted: 05/14/2023] [Indexed: 06/13/2023] Open
Abstract
Urbanization drives the popularity of western diet (WD), which increased burden in metabolic diseases but also in inflammatory diseases. Here, we show continuous WD disrupted the gut barrier, initiating low-grade inflammation and enhancing the colitis response. Nevertheless, transient WD consumption followed by ad libitum normal diet enhanced mucin production and tight junction protein expression in recovered mice. Furthermore, transient WD consumption surprisingly reduced the subsequent inflammatory response in DSS colitis and Citrobacter rodentium-infection induced colitis. The protective effect of WD training was not sex-dependent, and co-housing experiments suggested microbiota changes were not responsible. We identified important roles for cholesterol biosynthesis pathway and macrophages, pointing to innate myeloid training. Together, these data suggest detrimental effects of WD consumption can be reversed on return to a healthier diet. Furthermore, transient WD consumption leads to beneficial immune training, suggesting an evolutionary mechanism to benefit from feasting when abundant food is available.
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Affiliation(s)
- Dongwen Wu
- Department of Gastroenterology, Xiangya Hospital, Central South University, Changsha, Hunan, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Changsha, Hunan, China
| | - Xiaotong Wang
- Department of Gastroenterology, Xiangya Hospital, Central South University, Changsha, Hunan, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Changsha, Hunan, China
| | - Xiang Yang
- Changsha Aier Eye Hospital, Changsha, Hunan, China
| | - Lei Gu
- Department of Gastroenterology, Xiangya Hospital, Central South University, Changsha, Hunan, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Changsha, Hunan, China
| | - Mandy J. McGeachy
- Department of Microbiology & Immunology, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, USA
| | - Xiaowei Liu
- Department of Gastroenterology, Xiangya Hospital, Central South University, Changsha, Hunan, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Changsha, Hunan, China
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Münch PC, Eberl C, Woelfel S, Ring D, Fritz A, Herp S, Lade I, Geffers R, Franzosa EA, Huttenhower C, McHardy AC, Stecher B. Pulsed antibiotic treatments of gnotobiotic mice manifest in complex bacterial community dynamics and resistance effects. Cell Host Microbe 2023; 31:1007-1020.e4. [PMID: 37279755 DOI: 10.1016/j.chom.2023.05.013] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 03/11/2023] [Accepted: 05/11/2023] [Indexed: 06/08/2023]
Abstract
Bacteria can evolve to withstand a wide range of antibiotics (ABs) by using various resistance mechanisms. How ABs affect the ecology of the gut microbiome is still poorly understood. We investigated strain-specific responses and evolution during repeated AB perturbations by three clinically relevant ABs, using gnotobiotic mice colonized with a synthetic bacterial community (oligo-mouse-microbiota). Over 80 days, we observed resilience effects at the strain and community levels, and we found that they were correlated with modulations of the estimated growth rate and levels of prophage induction as determined from metagenomics data. Moreover, we tracked mutational changes in the bacterial populations, and this uncovered clonal expansion and contraction of haplotypes and selection of putative AB resistance-conferring SNPs. We functionally verified these mutations via reisolation of clones with increased minimum inhibitory concentration (MIC) of ciprofloxacin and tetracycline from evolved communities. This demonstrates that host-associated microbial communities employ various mechanisms to respond to selective pressures that maintain community stability.
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Affiliation(s)
- Philipp C Münch
- Computational Biology of Infection Research, Helmholtz Centre for Infection Research, Braunschweig 38124, Germany; Braunschweig Integrated Centre of Systems Biology (BRICS), Technische Universität Braunschweig, Braunschweig 38124, Germany; Max von Pettenkofer-Institute for Hygiene and Clinical Microbiology, Ludwig-Maximilian University of Munich, 80336 Munich, Germany; Department of Biostatistics, Harvard School of Public Health, Boston, MA, USA; Cluster of Excellence RESIST (EXC 2155), Hannover Medical School, Hannover, Germany
| | - Claudia Eberl
- Max von Pettenkofer-Institute for Hygiene and Clinical Microbiology, Ludwig-Maximilian University of Munich, 80336 Munich, Germany
| | - Simon Woelfel
- Max von Pettenkofer-Institute for Hygiene and Clinical Microbiology, Ludwig-Maximilian University of Munich, 80336 Munich, Germany
| | - Diana Ring
- Max von Pettenkofer-Institute for Hygiene and Clinical Microbiology, Ludwig-Maximilian University of Munich, 80336 Munich, Germany
| | - Adrian Fritz
- Computational Biology of Infection Research, Helmholtz Centre for Infection Research, Braunschweig 38124, Germany; Braunschweig Integrated Centre of Systems Biology (BRICS), Technische Universität Braunschweig, Braunschweig 38124, Germany
| | - Simone Herp
- Max von Pettenkofer-Institute for Hygiene and Clinical Microbiology, Ludwig-Maximilian University of Munich, 80336 Munich, Germany
| | - Iris Lade
- Max von Pettenkofer-Institute for Hygiene and Clinical Microbiology, Ludwig-Maximilian University of Munich, 80336 Munich, Germany
| | - Robert Geffers
- Genome Analytics, Helmholtz Center for Infection Research, 38124 Braunschweig, Germany
| | - Eric A Franzosa
- Department of Biostatistics, Harvard School of Public Health, Boston, MA, USA
| | - Curtis Huttenhower
- Department of Biostatistics, Harvard School of Public Health, Boston, MA, USA; Harvard Chan Microbiome in Public Health Center, Harvard T.H. Chan School of Public Health, Boston, MA, USA; Department of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Alice C McHardy
- Computational Biology of Infection Research, Helmholtz Centre for Infection Research, Braunschweig 38124, Germany; Braunschweig Integrated Centre of Systems Biology (BRICS), Technische Universität Braunschweig, Braunschweig 38124, Germany; Cluster of Excellence RESIST (EXC 2155), Hannover Medical School, Hannover, Germany.
| | - Bärbel Stecher
- Max von Pettenkofer-Institute for Hygiene and Clinical Microbiology, Ludwig-Maximilian University of Munich, 80336 Munich, Germany; German Center for Infection Research, Partner site LMU Munich, Munich, Germany.
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Li S, Xu K, Cheng Y, Chen L, Yi A, Xiao Z, Zhao X, Chen M, Tian Y, Meng W, Tang Z, Zhou S, Ruan G, Wei Y. The role of complex interactions between the intestinal flora and host in regulating intestinal homeostasis and inflammatory bowel disease. Front Microbiol 2023; 14:1188455. [PMID: 37389342 PMCID: PMC10303177 DOI: 10.3389/fmicb.2023.1188455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Accepted: 05/10/2023] [Indexed: 07/01/2023] Open
Abstract
Pharmacological treatment of inflammatory bowel disease (IBD) is inefficient and difficult to discontinue appropriately, and enterobacterial interactions are expected to provide a new target for the treatment of IBD. We collected recent studies on the enterobacterial interactions among the host, enterobacteria, and their metabolite products and discuss potential therapeutic options. Intestinal flora interactions in IBD are affected in the reduced bacterial diversity, impact the immune system and are influenced by multiple factors such as host genetics and diet. Enterobacterial metabolites such as SCFAs, bile acids, and tryptophan also play important roles in enterobacterial interactions, especially in the progression of IBD. Therapeutically, a wide range of sources of probiotics and prebiotics exhibit potential therapeutic benefit in IBD through enterobacterial interactions, and some have gained wide recognition as adjuvant drugs. Different dietary patterns and foods, especially functional foods, are novel therapeutic modalities that distinguish pro-and prebiotics from traditional medications. Combined studies with food science may significantly improve the therapeutic experience of patients with IBD. In this review, we provide a brief overview of the role of enterobacteria and their metabolites in enterobacterial interactions, discuss the advantages and disadvantages of the potential therapeutic options derived from such metabolites, and postulate directions for further research.
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Affiliation(s)
- Siyu Li
- Department of Gastroenterology, Chongqing Key Laboratory of Digestive Malignancies, Daping Hospital, Army Medical University (Third Military Medical University), Chongqing, China
- Basic Medicine College of Army Medical University, Army Medical University, Chongqing, China
| | - Kan Xu
- Department of Gastroenterology, Chongqing Key Laboratory of Digestive Malignancies, Daping Hospital, Army Medical University (Third Military Medical University), Chongqing, China
- Basic Medicine College of Army Medical University, Army Medical University, Chongqing, China
| | - Yi Cheng
- Department of Gastroenterology, Chongqing Key Laboratory of Digestive Malignancies, Daping Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Lu Chen
- Department of Gastroenterology, Chongqing Key Laboratory of Digestive Malignancies, Daping Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Ailin Yi
- Department of Gastroenterology, Chongqing Key Laboratory of Digestive Malignancies, Daping Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Zhifeng Xiao
- Department of Gastroenterology, Chongqing Key Laboratory of Digestive Malignancies, Daping Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Xuefei Zhao
- Department of Gastroenterology, Chongqing Key Laboratory of Digestive Malignancies, Daping Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Minjia Chen
- Department of Gastroenterology, Chongqing Key Laboratory of Digestive Malignancies, Daping Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Yuting Tian
- Department of Gastroenterology, Chongqing Key Laboratory of Digestive Malignancies, Daping Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Wei Meng
- Department of Gastroenterology, Chongqing Key Laboratory of Digestive Malignancies, Daping Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Zongyuan Tang
- Department of Gastroenterology, Chongqing Key Laboratory of Digestive Malignancies, Daping Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Shuhong Zhou
- Department of Laboratory Animal Center, Daping Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Guangcong Ruan
- Department of Gastroenterology, Chongqing Key Laboratory of Digestive Malignancies, Daping Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Yanling Wei
- Department of Gastroenterology, Chongqing Key Laboratory of Digestive Malignancies, Daping Hospital, Army Medical University (Third Military Medical University), Chongqing, China
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Fang Q, Yu L, Tian F, Zhang H, Chen W, Zhai Q. Effects of dietary irritants on intestinal homeostasis and the intervention strategies. Food Chem 2023; 409:135280. [PMID: 36587512 DOI: 10.1016/j.foodchem.2022.135280] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Revised: 12/11/2022] [Accepted: 12/19/2022] [Indexed: 12/24/2022]
Abstract
Abundant diet components are unexplored as vital factors in intestinal homeostasis. Dietary irritants stimulate the nervous system and provoke somatosensory responses, further inducing diarrhea, gut microbiota disorder, intestinal barrier damage or even severe gastrointestinal disease. We depicted the effects of food with piquancy, high fat, low pH, high-refined carbohydrates, and indigestible texture. The mechanism of dietary irritants on intestinal homeostasis were comprehensively summarized. Somatosensory responses to dietary irritants are palpable and have specific chemical and neural mechanisms. In contrast, even low-dose exposure to dietary irritants can involve multiple intestinal barriers. Their mechanisms in intestinal homeostasis are often overlapping and dose-dependent. Therefore, treating symptoms caused by dietary irritants requires personalized nutritional advice. The reprocessing of stimulant foods, additional supplementation with probiotics or prebiotics, and enhancement of the intestinal barrier are effective intervention strategies. This review provides promising preliminary guidelines for the treatment of symptoms and gastrointestinal injury caused by dietary irritants.
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Affiliation(s)
- Qingying Fang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China; School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China
| | - Leilei Yu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China; School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China
| | - Fengwei Tian
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China; School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China; Institute of Food Biotechnology, Jiangnan University, Yangzhou 225004, PR China
| | - Hao Zhang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China; School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China; National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, Jiangsu 214122, PR China; Wuxi Translational Medicine Research Center and Jiangsu Translational Medicine Research Institute, Wuxi Branch, PR China; Institute of Food Biotechnology, Jiangnan University, Yangzhou 225004, PR China
| | - Wei Chen
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China; School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China; National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, Jiangsu 214122, PR China
| | - Qixiao Zhai
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China; School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China; Institute of Food Biotechnology, Jiangnan University, Yangzhou 225004, PR China.
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40
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Wang Z, Yuan H, Zhu X, Wang J, Xiu W, Chen Y, Zhang G, Fu J, Peng K, Li A, Liu D, Huang X, He C, Lu F. Fecal calprotectin as an intestinal inflammation marker is elevated in glaucoma. Biomark Med 2023; 17:465-473. [PMID: 37656013 DOI: 10.2217/bmm-2023-0352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/02/2023] Open
Abstract
Objective: The aim of this study was to investigate the potential association between glaucoma and fecal calprotectin. Methods: A total of 144 glaucomatous patients and 66 healthy controls were enlisted for this study. The fecal calprotectin was assessed using enzyme-linked immunosorbent assay. Results: The median fecal calprotectin levels were significantly elevated in glaucoma (73.67 vs 41.97 μg/g; p < 0.001), primary angle-closure glaucoma (76.85 μg/g; p < 0.001) and primary open-angle glaucoma (69.29 μg/g; p = 0.016) groups compared with controls. A notable proportion of the glaucoma (24%; p < 0.001), primary angle-closure glaucoma (21%; p < 0.001) and primary open-angle glaucoma (24%; p < 0.001) subgroups exhibited highly abnormal fecal calprotectin levels (≥250 μg/g). Conclusion: Elevated fecal calprotectin might indicate potential intestinal inflammation in glaucoma.
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Affiliation(s)
- Zuo Wang
- Department of Clinical Laboratory, Sichuan Clinical Research Center for Cancer, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, Affiliated Cancer Hospital of University of Electronic Science & Technology of China, Chengdu, China
| | - Hang Yuan
- Department of Immunology, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, China
| | - Xiong Zhu
- Department of Prenatal Diagnosis, Chengdu Women's & Children's Central Hospital, School of Medicine, University of Electronic Science & Technology of China, Chengdu, China
| | - Jinxia Wang
- Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, Sichuan Provincial People's Hospital, University of Electronic Science & Technology of China, Chengdu, China
| | - Wenbo Xiu
- Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, Sichuan Provincial People's Hospital, University of Electronic Science & Technology of China, Chengdu, China
| | - Yang Chen
- Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, Sichuan Provincial People's Hospital, University of Electronic Science & Technology of China, Chengdu, China
| | - Gao Zhang
- Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, Sichuan Provincial People's Hospital, University of Electronic Science & Technology of China, Chengdu, China
| | - Jing Fu
- Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, Sichuan Provincial People's Hospital, University of Electronic Science & Technology of China, Chengdu, China
| | - Kun Peng
- Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, Sichuan Provincial People's Hospital, University of Electronic Science & Technology of China, Chengdu, China
| | - An Li
- Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, Sichuan Provincial People's Hospital, University of Electronic Science & Technology of China, Chengdu, China
| | - Donghua Liu
- Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, Sichuan Provincial People's Hospital, University of Electronic Science & Technology of China, Chengdu, China
| | - Xijing Huang
- Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, Sichuan Provincial People's Hospital, University of Electronic Science & Technology of China, Chengdu, China
| | - Chong He
- Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, Sichuan Provincial People's Hospital, University of Electronic Science & Technology of China, Chengdu, China
- Medico-Engineering Cooperation on Applied Medicine Research Center, University of Electronic Science & Technology of China, Chengdu, China
| | - Fang Lu
- Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, Sichuan Provincial People's Hospital, University of Electronic Science & Technology of China, Chengdu, China
- Medico-Engineering Cooperation on Applied Medicine Research Center, University of Electronic Science & Technology of China, Chengdu, China
- Health Management Center, Sichuan Provincial People's Hospital, University of Electronic Science & Technology of China, Chengdu, China
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He Q, Guo K, Wang L, Xie F, Zhao Q, Jiang X, He Z, Wang P, Li S, Huang Y, Zhang C, Huang R, Liu Y, Wang F, Zhou X, Niu R, Zuo T, Wang Y, Li C. Tannins amount determines whether tannase-containing bacteria are probiotic or pathogenic in IBD. Life Sci Alliance 2023; 6:e202201702. [PMID: 36759174 PMCID: PMC9911794 DOI: 10.26508/lsa.202201702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 02/01/2023] [Accepted: 02/01/2023] [Indexed: 02/11/2023] Open
Abstract
The role of dietary tannin in inflammatory bowel disease (IBD) is still not clear. Therefore, we aim to study the effect of TA in the progression of IBD. Dextran sulphate sodium (DSS)-induced model was used to mimic IBD. Metagenomics and metabolomics were performed to study the alteration of intestinal microbiota and metabolites. NCM460 and THP-1 cells were used for in vitro study. The amount of TA was associated with the outcomes of DSS-induced IBD as evidenced by in vivo and in vitro studies. Metabolomic and metagenomic analyses revealed that TA-induced enrichment of microbial metabolite gallic acid (GA) was responsible for the action of TA. Mechanistically, protective dose of GA promoted colonic mucus secretion to suppress bacterial infection and that it ameliorated DSS-induced epithelial damage by inhibiting p53 signaling, whereas toxic dose of GA directly caused epithelial damage by promoting cell cycle arrest. Therapeutic experiment showed protective dose of GA-promoted recovery of DSS-induced colonic inflammation. The role of tannase-containing bacteria can be transformed under different conditions in IBD progression.
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Affiliation(s)
- Qiuyue He
- Department of Laboratory Animal Science, Army Medical University, Chongqing, China
| | - Kenan Guo
- Department of Laboratory Animal Science, Army Medical University, Chongqing, China
- State Key Laboratory of Trauma, Burns and Combined Injury, Institute of Combined Injury, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Army Medical University, Chongqing, China
| | - Lulu Wang
- Department of Laboratory Animal Science, Army Medical University, Chongqing, China
| | - Fei Xie
- Department of Laboratory Animal Science, Army Medical University, Chongqing, China
| | - Qingyuan Zhao
- Department of Laboratory Animal Science, Army Medical University, Chongqing, China
| | - Xianhong Jiang
- Department of Laboratory Animal Science, Army Medical University, Chongqing, China
| | - Zhongming He
- Department of Laboratory Animal Science, Army Medical University, Chongqing, China
| | - Peng Wang
- Department of Laboratory Animal Science, Army Medical University, Chongqing, China
| | - Shiqiang Li
- Department of Laboratory Animal Science, Army Medical University, Chongqing, China
| | - Yan Huang
- Department of Pharmaceutics, College of Pharmacy, Army Medical University, Chongqing, China
| | - Cong Zhang
- Department of Laboratory Animal Science, Army Medical University, Chongqing, China
| | - Rongjuan Huang
- Department of Laboratory Animal Science, Army Medical University, Chongqing, China
| | - Yang Liu
- Department of Laboratory Animal Science, Army Medical University, Chongqing, China
| | - Fengchao Wang
- State Key Laboratory of Trauma, Burns and Combined Injury, Institute of Combined Injury, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Army Medical University, Chongqing, China
| | - Xiaoyang Zhou
- Department of Biological Safety, Army Medical University, Chongqing, China
| | - Rong Niu
- Department of Laboratory Animal Science, Army Medical University, Chongqing, China
| | - Tao Zuo
- Guangdong Institute of Gastroenterology, The Sixth Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Yong Wang
- Department of Laboratory Animal Science, Army Medical University, Chongqing, China
| | - Chuangen Li
- Department of Laboratory Animal Science, Army Medical University, Chongqing, China
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Johnston BD, Clabots C, Bender T, Porter SB, van den Dobbelsteen G, Poolman J, Thuras P, Johnson JR. Colonization with Escherichia coli ST131- H30R ( H30R) Corresponds with Increased Serum Anti-O25 IgG Levels and Decreased TNFα and IL-10 Responsiveness to H30R. Pathogens 2023; 12:pathogens12040603. [PMID: 37111489 PMCID: PMC10142592 DOI: 10.3390/pathogens12040603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 04/04/2023] [Accepted: 04/11/2023] [Indexed: 04/29/2023] Open
Abstract
An exceptional gut-colonizing ability may underlie the dramatic epidemiological success of the multidrug-resistant H30R subclone of Escherichia coli sequence type 131 (O25b:K+:H4). In order to inform the development of colonization-preventing measures, we studied systemic immune correlates of H30R intestinal colonization. Human volunteers' fecal samples were screened for H30R by selective culture and PCR. Subjects were assessed by enzyme immunoassay for serum levels of anti-O25 IgG (representing H30R) and anti-O6 IgG (representing non-H30 E. coli generally), initially and for up to 14 months. Whole blood was tested for the antigen-stimulated release of IFNγ, TNFα, IL-4, IL-10, and IL-17 after incubation with E. coli strains JJ1886 (H30R; O25b:K+:H4) or CFT073 (non-H30; O6:K2:H1). Three main findings were obtained. First, H30R-colonized subjects had significantly higher anti-O25 IgG levels than controls, but similar anti-O6 IgG levels, suggesting an IgG response to H30R colonization. Second, anti-O25 and anti-O6 IgG levels were stable over time. Third, H30R-colonized subjects exhibited a lower TNFα and IL-10 release than controls in response to strain JJ1886 (H30R) relative to strain CFT073 (non-H30R), consistent with TNFα hypo-responsiveness to H30R possibly predisposing to H30R colonization. Thus, H30R-colonized hosts exhibit a sustained serum anti-O25 IgG response and an underlying deficit in TNFα responsiveness to H30R that could potentially be addressed for colonization prevention.
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Affiliation(s)
- Brian D Johnston
- Departments of Medicine and Psychiatry, University of Minnesota, Minneapolis 55455, MN, USA
| | - Connie Clabots
- Infectious Diseases (111F), Minneapolis VA Health Care System, Minneapolis 55417, MN, USA
| | - Tricia Bender
- Infectious Diseases (111F), Minneapolis VA Health Care System, Minneapolis 55417, MN, USA
| | - Stephen B Porter
- Infectious Diseases (111F), Minneapolis VA Health Care System, Minneapolis 55417, MN, USA
| | | | - Jan Poolman
- Janssen Vaccines & Prevention B.V., 2333 CN Leiden, The Netherlands
| | - Paul Thuras
- Departments of Medicine and Psychiatry, University of Minnesota, Minneapolis 55455, MN, USA
- Infectious Diseases (111F), Minneapolis VA Health Care System, Minneapolis 55417, MN, USA
| | - James R Johnson
- Departments of Medicine and Psychiatry, University of Minnesota, Minneapolis 55455, MN, USA
- Infectious Diseases (111F), Minneapolis VA Health Care System, Minneapolis 55417, MN, USA
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Guerbette T, Beaumont M, Andriamihaja M, Ciesielski V, Perrin JB, Janvier R, Randuineau G, Leroyer P, Loréal O, Rioux V, Boudry G, Lan A. Obesogenic diet leads to luminal overproduction of the complex IV inhibitor H 2 S and mitochondrial dysfunction in mouse colonocytes. FASEB J 2023; 37:e22853. [PMID: 36939304 DOI: 10.1096/fj.202201971r] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 01/29/2023] [Accepted: 02/20/2023] [Indexed: 03/21/2023]
Abstract
Obesity is characterized by systemic low-grade inflammation associated with disturbances of intestinal homeostasis and microbiota dysbiosis. Mitochondrial metabolism sustains epithelial homeostasis by providing energy to colonic epithelial cells (CEC) but can be altered by dietary modulations of the luminal environment. Our study aimed at evaluating whether the consumption of an obesogenic diet alters the mitochondrial function of CEC in mice. Mice were fed for 22 weeks with a 58% kcal fat diet (diet-induced obesity [DIO] group) or a 10% kcal fat diet (control diet, CTRL). Colonic crypts were isolated to assess mitochondrial function while colonic content was collected to characterize microbiota and metabolites. DIO mice developed obesity, intestinal hyperpermeability, and increased endotoxemia. Analysis of isolated colonic crypt bioenergetics revealed a mitochondrial dysfunction marked by decreased basal and maximal respirations and lower respiration linked to ATP production in DIO mice. Yet, CEC gene expression of mitochondrial respiration chain complexes and mitochondrial dynamics were not altered in DIO mice. In parallel, DIO mice displayed increased colonic bile acid concentrations, associated with higher abundance of Desulfovibrionaceae. Sulfide concentration was markedly increased in the colon content of DIO mice. Hence, chronic treatment of CTRL mouse colon organoids with sodium sulfide provoked mitochondrial dysfunction similar to that observed in vivo in DIO mice while acute exposure of isolated mitochondria from CEC of CTRL mice to sodium sulfide diminished complex IV activity. Our study provides new insights into colon mitochondrial dysfunction in obesity by revealing that increased sulfide production by DIO-induced dysbiosis impairs complex IV activity in mouse CEC.
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Affiliation(s)
| | - Martin Beaumont
- GenPhySE, Université de Toulouse, INRAE, ENVT, Castanet-Tolosan, France
| | | | - Vincent Ciesielski
- Institut Numecan, INRAE, INSERM, Univ Rennes, Rennes, France
- Institut Agro, Univ Rennes, INRAE, INSERM, NuMeCan, Rennes, France
| | | | - Régis Janvier
- Institut Numecan, INRAE, INSERM, Univ Rennes, Rennes, France
| | | | | | - Olivier Loréal
- Institut Numecan, INRAE, INSERM, Univ Rennes, Rennes, France
| | - Vincent Rioux
- Institut Numecan, INRAE, INSERM, Univ Rennes, Rennes, France
- Institut Agro, Univ Rennes, INRAE, INSERM, NuMeCan, Rennes, France
| | - Gaëlle Boudry
- Institut Numecan, INRAE, INSERM, Univ Rennes, Rennes, France
| | - Annaïg Lan
- Institut Numecan, INRAE, INSERM, Univ Rennes, Rennes, France
- UMR PNCA, AgroParisTech, INRAE, Université Paris-Saclay, Palaiseau, France
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McAleer JP. Obesity and the microbiome in atopic dermatitis: Therapeutic implications for PPAR-γ agonists. FRONTIERS IN ALLERGY 2023; 4:1167800. [PMID: 37051264 PMCID: PMC10083318 DOI: 10.3389/falgy.2023.1167800] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Accepted: 03/13/2023] [Indexed: 03/29/2023] Open
Abstract
Atopic dermatitis (AD) is an inflammatory skin disease characterized by epidermal barrier disruption, Th2 immune responses to skin allergens and microbial dysbiosis within affected lesions. Studies within the past decade have revealed genetic and environmental factors contributing to AD in children. Obesity is a metabolic disorder that often manifests early in life and is associated with reduced bacterial diversity, leading to skin colonization with lipophilic bacteria and intestinal colonization with pro-inflammatory species. These changes impair epithelial barriers and promote Th17 responses, which may worsen the severity of AD symptoms. While few studies have examined the contribution of microbiota in obesity-induced allergies, there is emerging evidence that PPAR-γ may be an effective therapeutic target. This review discusses the microbiome in pediatric AD, treatment with probiotics, how disease is altered by obesity and potential therapeutic effects of PPAR-γ agonists. While healthy skin contains diverse species adapted for specific niches, lesional skin is highly colonized with Staphylococcus aureus which perpetuates the inflammatory reaction. Treatments for AD should help to restore microbial diversity in the skin and intestine, as well as epithelial barrier function. Pre-clinical models have shown that PPAR-γ agonists can suppress Th17 responses, IgE production and mast cell function, while improving the epidermal barrier and microbial homeostasis. Overall, PPAR-γ agonists may be effective in a subset of patients with AD, and future studies should distinguish their metabolic and anti-inflammatory effects in order to inform the best therapies.
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45
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Fan S, Chen S, Lin L. Research progress of gut microbiota and obesity caused by high-fat diet. Front Cell Infect Microbiol 2023; 13:1139800. [PMID: 36992691 PMCID: PMC10040832 DOI: 10.3389/fcimb.2023.1139800] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2023] [Accepted: 02/28/2023] [Indexed: 03/15/2023] Open
Abstract
Obesity, a chronic metabolic disorder caused by an energy imbalance, has been increasingly prevalent and poses a global health concern. The multifactorial etiology of obesity includes genetics factors, high-fat diet, gut microbiota, and other factors. Among these factors, the implication of gut microbiota in the pathogenesis of obesity has been prominently acknowledged. This study endeavors to investigate the potential contribution of gut microbiota to the development of high-fat diet induced obesity, as well as the current state of probiotic intervention therapy research, in order to provide novel insights for the prevention and management of obesity.
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Affiliation(s)
- Shuyi Fan
- Scientific Research Department, Brain Hospital of Hunan Province, Second People’s Hospital of Hunan Province, Changsha, Hunan, China
- Department of Clinical Medicine, Xiamen Medical College, Xiamen, Fujian, China
| | - Suyun Chen
- Department of Clinical Medicine, Xiamen Medical College, Xiamen, Fujian, China
| | - Lin Lin
- Scientific Research Department, Brain Hospital of Hunan Province, Second People’s Hospital of Hunan Province, Changsha, Hunan, China
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Holman J, Hurd M, Moses PL, Mawe GM, Zhang T, Ishaq SL, Li Y. Interplay of broccoli/broccoli sprout bioactives with gut microbiota in reducing inflammation in inflammatory bowel diseases. J Nutr Biochem 2023; 113:109238. [PMID: 36442719 PMCID: PMC9974906 DOI: 10.1016/j.jnutbio.2022.109238] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 09/21/2022] [Accepted: 11/23/2022] [Indexed: 11/27/2022]
Abstract
Inflammatory Bowel Diseases (IBD) are chronic, reoccurring, and debilitating conditions characterized by inflammation in the gastrointestinal tract, some of which can lead to more systemic complications and can include autoimmune dysfunction, a change in the taxonomic and functional structure of microbial communities in the gut, and complicated burdens in a person's daily life. Like many diseases based in chronic inflammation, research on IBD has pointed towards a multifactorial origin involving factors of the person's lifestyle, immune system, associated microbial communities, and environmental conditions. Treatment currently exists only as palliative care, and seeks to disrupt the feedback loop of symptoms by reducing inflammation and allowing as much of a return to homeostasis as possible. Various anti-inflammatory options have been explored, and this review focuses on the use of diet as an alternative means of improving gut health. Specifically, we highlight the connection between the role of sulforaphane from cruciferous vegetables in regulating inflammation and in modifying microbial communities, and to break down the role they play in IBD.
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Affiliation(s)
- Johanna Holman
- School of Food and Agriculture, University of Maine, Orono, Maine, USA
| | - Molly Hurd
- Larner College of Medicine, University of Vermont, Burlington, Vermont, USA
| | - Peter L Moses
- Larner College of Medicine, University of Vermont, Burlington, Vermont, USA; Finch Therapeutics, Somerville, Massachusetts, USA
| | - Gary M Mawe
- Larner College of Medicine, University of Vermont, Burlington, Vermont, USA
| | - Tao Zhang
- School of Pharmacy and Pharmaceutical Sciences, SUNY Binghamton University, Johnson City, New York, USA
| | - Suzanne L Ishaq
- School of Food and Agriculture, University of Maine, Orono, Maine, USA.
| | - Yanyan Li
- School of Food and Agriculture, University of Maine, Orono, Maine, USA.
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Paine H, Jones F, Kinross J. Preparing the Bowel (Microbiome) for Surgery: Surgical Bioresilience. Clin Colon Rectal Surg 2023; 36:138-145. [PMID: 36844712 PMCID: PMC9946716 DOI: 10.1055/s-0042-1760675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
Abstract
The preparation of the bowel for radical surgery is a corner stone of elective colorectal practice. The evidence for this intervention is of variable quality and it is often contradictory, yet there is now a global move toward the adoption of oral antibiotic therapy for the reduction of perioperative infective complications, such as surgical site infections. The gut microbiome is a critical mediator of the systemic inflammatory response to surgical injury, wound healing, and perioperative gut function. The loss of critical microbial symbiotic functions caused by bowel preparation and surgery has an adverse impact on surgical outcomes, yet the mechanisms through which this occurs are poorly defined. In this review, the evidence for bowel preparation strategies is critically appraised in the context of the gut microbiome. The impact of antibiotic therapy on the surgical gut microbiome and the importance of the intestinal "resistome" to surgical recovery is described. Data to support the augmentation of the microbiome through diet, probiotic and symbiotic approaches, as well as fecal transplantation are also appraised. Finally, we propose a novel strategy of bowel preparation defined as " surgical bioresilience " and define areas or prioritization in this emerging field. This describes the optimization of surgical intestinal homeostasis and core surgical exposome-microbiome interactions that regulate the wound immune microenvironment, the systemic inflammatory response to surgical injury, and gut function across the perioperative time course.
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Affiliation(s)
- Heidi Paine
- Division of General Surgery, Imperial College Healthcare NHS Trust, London, United Kingdom
| | - Faye Jones
- Division of General Surgery, King Edward VII Hospital, London, United Kingdom
| | - James Kinross
- Division of Colorectal Surgery, Department of Surgery and Cancer, Imperial College London, London, United Kingdom
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48
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Gaab ME, Lozano PO, Ibañez D, Manese KD, Riego FM, Tiongco RE, Albano PM. A Meta-Analysis on the Association of Colibactin-Producing pks+ Escherichia coli with the Development of Colorectal Cancer. Lab Med 2023; 54:75-82. [PMID: 35960765 DOI: 10.1093/labmed/lmac072] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
OBJECTIVE Previous studies on the association between pks+Escherichia coli and colorectal cancer (CRC) demonstrated conflicting results. Hence, we performed a meta-analysis to obtain more precise estimates. METHODS Related literature was obtained from PubMed, ScienceDirect, Google Scholar, and Cochrane Library. Data were then extracted, summarized, and subjected to analysis using Review Manager 5.4 by computing for the pooled odds ratios at the 95% confidence interval. RESULTS Overall analysis showed that individuals carrying pks+E coli had a greater risk of developing CRC. Subgroup analysis further showed that individuals from Western countries carrying pks+E coli and individuals with pks+E coli in their tissue samples had increased risk of developing CRC. CONCLUSION Results of this meta-analysis suggest that individuals with pks+E coli have a greater risk of developing CRC. However, more studies are needed to confirm our claims.
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Affiliation(s)
- Marcianne Elaine Gaab
- Department of Biological Sciences, College of Science, University of Santo Tomas, Manila, Philippines
| | - Prim Olivette Lozano
- Department of Biological Sciences, College of Science, University of Santo Tomas, Manila, Philippines
| | - Danica Ibañez
- Department of Biological Sciences, College of Science, University of Santo Tomas, Manila, Philippines
| | - Korina Diane Manese
- Department of Biological Sciences, College of Science, University of Santo Tomas, Manila, Philippines
| | - Fatima May Riego
- Department of Biological Sciences, College of Science, University of Santo Tomas, Manila, Philippines
| | - Raphael Enrique Tiongco
- Department of Medical Technology, College of Allied Medical Professions, Angeles University Foundation, Angeles City, Philippines
| | - Pia Marie Albano
- Department of Biological Sciences, College of Science, University of Santo Tomas, Manila, Philippines.,Research Center for the Natural and Applied Sciences, University of Santo Tomas, Manila, Philippines
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49
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Li X, Chen W, Gao J, Gao W, Zhang Y, Zeng H, Zheng B. Structural changes of butyrylated lotus seed starch and its impact on the gut microbiota of rat in vitro fermentation. Food Hydrocoll 2023. [DOI: 10.1016/j.foodhyd.2023.108501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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Herzog MKM, Cazzaniga M, Peters A, Shayya N, Beldi L, Hapfelmeier S, Heimesaat MM, Bereswill S, Frankel G, Gahan CG, Hardt WD. Mouse models for bacterial enteropathogen infections: insights into the role of colonization resistance. Gut Microbes 2023; 15:2172667. [PMID: 36794831 PMCID: PMC9980611 DOI: 10.1080/19490976.2023.2172667] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Accepted: 01/18/2023] [Indexed: 02/17/2023] Open
Abstract
Globally, enteropathogenic bacteria are a major cause of morbidity and mortality.1-3 Campylobacter, Salmonella, Shiga-toxin-producing Escherichia coli, and Listeria are among the top five most commonly reported zoonotic pathogens in the European Union.4 However, not all individuals naturally exposed to enteropathogens go on to develop disease. This protection is attributable to colonization resistance (CR) conferred by the gut microbiota, as well as an array of physical, chemical, and immunological barriers that limit infection. Despite their importance for human health, a detailed understanding of gastrointestinal barriers to infection is lacking, and further research is required to investigate the mechanisms that underpin inter-individual differences in resistance to gastrointestinal infection. Here, we discuss the current mouse models available to study infections by non-typhoidal Salmonella strains, Citrobacter rodentium (as a model for enteropathogenic and enterohemorrhagic E. coli), Listeria monocytogenes, and Campylobacter jejuni. Clostridioides difficile is included as another important cause of enteric disease in which resistance is dependent upon CR. We outline which parameters of human infection are recapitulated in these mouse models, including the impact of CR, disease pathology, disease progression, and mucosal immune response. This will showcase common virulence strategies, highlight mechanistic differences, and help researchers from microbiology, infectiology, microbiome research, and mucosal immunology to select the optimal mouse model.
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Affiliation(s)
- Mathias K.-M. Herzog
- Department of Biology, Institute of Microbiology, ETH Zurich, Zurich, Switzerland
| | - Monica Cazzaniga
- APC Microbiome Ireland, University College Cork, Cork, Ireland
- School of Microbiology, University College Cork, Cork, Ireland
| | - Audrey Peters
- Department of Life Sciences, MRC Centre for Molecular Bacteriology and Infection, Imperial College London, London, UK
| | - Nizar Shayya
- Institute of Microbiology, Infectious Diseases and Immunology, Charité - University Medicine Berlin, Berlin, Germany
| | - Luca Beldi
- Institute for Infectious Diseases, University of Bern, Bern, Switzerland
| | | | - Markus M. Heimesaat
- Institute of Microbiology, Infectious Diseases and Immunology, Charité - University Medicine Berlin, Berlin, Germany
| | - Stefan Bereswill
- Institute of Microbiology, Infectious Diseases and Immunology, Charité - University Medicine Berlin, Berlin, Germany
| | - Gad Frankel
- Department of Life Sciences, MRC Centre for Molecular Bacteriology and Infection, Imperial College London, London, UK
| | - Cormac G.M. Gahan
- APC Microbiome Ireland, University College Cork, Cork, Ireland
- School of Microbiology, University College Cork, Cork, Ireland
- School of Pharmacy, University College Cork, Cork, Ireland
| | - Wolf-Dietrich Hardt
- Department of Biology, Institute of Microbiology, ETH Zurich, Zurich, Switzerland
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