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Kiseleva YV, Zharikova TS, Maslennikov RV, Temirbekov SM, Olsufieva AV, Polyakova OL, Pontes-Silva A, Zharikov YO. Gut Microbiota and Liver Regeneration: A Synthesis of Evidence on Structural Changes and Physiological Mechanisms. J Clin Exp Hepatol 2024; 14:101455. [PMID: 39035190 PMCID: PMC11259939 DOI: 10.1016/j.jceh.2024.101455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2024] [Accepted: 06/05/2024] [Indexed: 07/23/2024] Open
Abstract
Liver regeneration (LR) is a unique biological process with the ability to restore up to 70% of the organ. This allows for the preservation of liver resections for various liver tumors and for living donor liver transplantation (LDLT). However, in some cases, LR is insufficient and interventions that can improve LR are urgently needed. Gut microbiota (GM) is one of the factors influencing LR, as the liver and intestine are intimately connected through the gut-liver axis. Thus, healthy GM facilitates normal LR, whereas dysbiosis leads to impaired LR due to imbalance of bile acids, inflammatory cytokines, microbial metabolites, signaling pathways, etc. Therefore, GM can be considered as a new possible therapeutic target to improve LR. In this review, we critically observe the current knowledge about the influence of gut microbiota (GM) on liver regeneration (LR) and the possibility to improve this process, which may reduce complication and mortality rates after liver surgery. Although much research has been done on this topic, more clinical trials and systemic reviews are urgently needed to move this type of intervention from the experimental phase to the clinical field.
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Affiliation(s)
- Yana V. Kiseleva
- Pirogov Russian National Research Medical University (RNRMU), Moscow, Russia
| | - Tatiana S. Zharikova
- I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
| | - Roman V. Maslennikov
- I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
| | | | - Anna V. Olsufieva
- Moscow University for Industry and Finance “Synergy”, Moscow, Russia
| | - Olga L. Polyakova
- I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
| | - André Pontes-Silva
- Postgraduate Program in Physical Therapy, Department of Physical Therapy, Universidade Federal de São Carlos, São Carlos (SP), Brazil
| | - Yury O. Zharikov
- I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
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2
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Baba B, Ceylani T, Gurbanov R, Acikgoz E, Keskin S, Allahverdi H, Samgane G, Tombuloglu H, Teker HT. Promoting longevity in aged liver through NLRP3 inflammasome inhibition using tauroursodeoxycholic acid (TUDCA) and SCD probiotics. Arch Gerontol Geriatr 2024; 125:105517. [PMID: 38851091 DOI: 10.1016/j.archger.2024.105517] [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: 04/26/2024] [Revised: 05/23/2024] [Accepted: 05/31/2024] [Indexed: 06/10/2024]
Abstract
This investigation explores the combined influence of SCD Probiotics and tauroursodeoxycholic acid (TUDCA) on liver health in elderly male Sprague-Dawley rats. Through the administration of intravenous TUDCA (300 mg/kg) and oral SCD Probiotics (3 mL at 1 × 10^8 CFU) daily for one week, this study evaluates the biomolecular composition, histopathological alterations, and inflammasome activity in the liver. Analytical methods encompassed ATR-FTIR spectroscopy integrated with machine learning for the assessment of biomolecular structures, RT-qPCR for quantifying inflammasome markers (NLRP3, ASC, Caspase-1, IL18, IL1β), and histological examinations to assess liver pathology. The findings reveal that TUDCA prominently enhanced lipid metabolism by reducing cholesterol esters, while SCD Probiotics modulated both lipid and protein profiles, notably affecting fatty acid chain lengths and protein configurations. Histological analysis showed significant reductions in cellular degeneration, lymphatic infiltration, and hepatic fibrosis. Furthermore, the study noted a decrease in the immunoreactivity for NLRP3 and ASC, suggesting suppressed inflammasome activity. While SCD Probiotics reduced the expression of certain inflammasome-related genes, they also paradoxically increased AST and LDH levels. Conversely, an exclusive elevation in albumin levels was observed in the group treated with SCD Probiotics, implying a protective role against liver damage. These results underscore the therapeutic potential of TUDCA and SCD Probiotics for managing age-associated liver disorders, illustrating their individual and synergistic effects on liver health and pathology. This study provides insights into the complex interactions of these agents, advocating for customized therapeutic approaches to combat liver fibrosis, enhance liver functionality, and decrease inflammation in aging populations.
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Affiliation(s)
- Burcu Baba
- Department of Medical Biochemistry, Yüksek İhtisas University, Ankara, Turkey
| | - Taha Ceylani
- Department of Molecular Biology and Genetics, Muş Alparslan University Muş, Turkey; Department of Food Quality Control and Analysis, Muş Alparslan University Muş, Turkey.
| | - Rafig Gurbanov
- Department of Bioengineering, Bilecik Şeyh Edebali University Bilecik, Turkey; Central Research Laboratory, Bilecik Şeyh Edebali University Bilecik, Turkey
| | - Eda Acikgoz
- Department of Neuroscience, Faculty of Medicine, Van Yuzuncu Yil University, Van, Turkey.
| | - Seda Keskin
- Department of Histology and Embryology, Faculty of Medicine, Van Yuzuncu Yil University, Van, Turkey
| | - Hüseyin Allahverdi
- Department of Molecular Biology and Genetics, Muş Alparslan University Muş, Turkey
| | - Gizem Samgane
- Department of Bioengineering, Bilecik Şeyh Edebali University Bilecik, Turkey
| | - Huseyin Tombuloglu
- Department of Genetics Research, Institute for Research and Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Hikmet Taner Teker
- Department of Medical Biology and Genetics, Ankara Medipol University Ankara, Turkey.
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3
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Liu Y, Wang Y, Wei F, Chai L, Wang H. Gut microbiota-bile acid crosstalk contributes to intestinal damage after nitrate exposure in Bufo gargarizans tadpoles. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 943:173795. [PMID: 38851338 DOI: 10.1016/j.scitotenv.2024.173795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Revised: 05/24/2024] [Accepted: 06/03/2024] [Indexed: 06/10/2024]
Abstract
Bile acids (BAs) are amphipathic steroid acids whose production and diversity depend on both host and microbial metabolism. Nitrate (NO3-) is a widespread pollutant in aquatic ecosystems, which can cause rapid changes in microbial community structure and function. However, the effect of gut microbiota reshaped by nitrate‑nitrogen (NO3-N) on BAs profiles remains unclarified. To test this, intestinal targeted BAs metabolomics and fecal metagenomic sequencing were performed on Bufo gargarizans tadpoles treated with different concentrations of NO3-N. NO3-N exposure induced a reduction in the abundance of microbiota with bile acid-inducible enzymes (BAIs) and/or hydroxysteroid dehydrogenases (HSDHs), thus inhibiting the conversion of primary BAs to secondary BAs. Inhibition of BAs biotransformation decreased protective hydrophilic BAs (UDCA) and increased toxic hydrophobic BAs (CA and CDCA), which may contribute to intestinal histopathological damage. Moreover, we found that NO3-N treatment increased microbial virulence factors and decreased Glycoside hydrolases, further highlighting the deleterious risk of NO3-N. Overall, this study shed light on the complex interactions of NO3-N, gut microbiota, and BAs, and emphasized the hazardous effects of NO3-N pollution on the health of amphibians.
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Affiliation(s)
- Ying Liu
- College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710119, China
| | - Yaxi Wang
- College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710119, China
| | - Fei Wei
- College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710119, China
| | - Lihong Chai
- School of Water and Environment, Chang'an University, Xi'an 710054, China; Key Laboratory of Subsurface Hydrology and Ecological Effect in Arid Region of Ministry of Education, Chang'an University, Xi'an 710054, China
| | - Hongyuan Wang
- College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710119, China.
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4
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Ng DZW, Low A, Tan AJH, Ong JH, Kwa WT, Lee JWJ, Chan ECY. Ex vivo metabolism kinetics of primary to secondary bile acids via a physiologically relevant human faecal microbiota model. Chem Biol Interact 2024; 399:111140. [PMID: 38992765 DOI: 10.1016/j.cbi.2024.111140] [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: 05/09/2024] [Revised: 06/14/2024] [Accepted: 07/08/2024] [Indexed: 07/13/2024]
Abstract
Bile acids (BA) are synthesized in the human liver and undergo metabolism by host gut bacteria. In diseased states, gut microbial dysbiosis may lead to high primary unconjugated BA concentrations and significant perturbations to secondary BA. Hence, it is important to understand the microbial-mediated formation kinetics of secondary bile acids using physiologically relevant ex vivo human faecal microbiota models. Here, we optimized an ex vivo human faecal microbiota model to recapitulate the metabolic kinetics of primary unconjugated BA and applied it to investigate the formation kinetics of novel secondary BA metabolites and their sequential pathways. We demonstrated (1) first-order depletion of primary BA, cholic acid (CA) and chenodeoxycholic acid (CDCA), under non-saturable conditions and (2) saturable Michaelis-Menten kinetics for secondary BA metabolite formation with increasing substrate concentration. Notably, relatively lower Michaelis constants (Km) were associated with the formation of deoxycholic acid (DCA, 14.3 μM) and lithocholic acid (LCA, 140 μM) versus 3-oxo CA (>1000 μM), 7-keto DCA (443 μM) and 7-keto LCA (>1000 μM), thereby recapitulating clinically observed saturation of 7α-dehydroxylation relative to oxidation of primary BA. Congruently, metagenomics revealed higher relative abundance of functional genes related to the oxidation pathway as compared to the 7α-dehydroxylation pathway. In addition, we demonstrated gut microbial-mediated hyocholic acid (HCA) and hyodeoxycholic acid (HDCA) formation from CDCA. In conclusion, we optimized a physiologically relevant ex vivo human faecal microbiota model to investigate gut microbial-mediated metabolism of primary BA and present a novel gut microbial-catalysed two-step pathway from CDCA to HCA and, subsequently, HDCA.
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Affiliation(s)
- Daniel Zhi Wei Ng
- Department of Pharmacy and Pharmaceutical Sciences, National University of Singapore, 18 Science Drive 4, 117543, Singapore
| | - Adrian Low
- Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, MD6 Centre for Translational Medicine, 14 Medical Drive, Singapore, 117599, Singapore
| | - Amanda Jia Hui Tan
- Department of Pharmacy and Pharmaceutical Sciences, National University of Singapore, 18 Science Drive 4, 117543, Singapore
| | - Jia Hui Ong
- Department of Pharmacy and Pharmaceutical Sciences, National University of Singapore, 18 Science Drive 4, 117543, Singapore
| | - Wit Thun Kwa
- Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, MD6 Centre for Translational Medicine, 14 Medical Drive, Singapore, 117599, Singapore
| | - Jonathan Wei Jie Lee
- Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, MD6 Centre for Translational Medicine, 14 Medical Drive, Singapore, 117599, Singapore; Institute for Health Innovation and Technology (iHealthtech), National University of Singapore, E7, 15 Kent Ridge Crescent, Singapore, 119276, Singapore; Division of Gastroenterology & Hepatology, Department of Medicine, National University Hospital, Singapore.
| | - Eric Chun Yong Chan
- Department of Pharmacy and Pharmaceutical Sciences, National University of Singapore, 18 Science Drive 4, 117543, Singapore.
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5
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Bao S, Wang W, Deng Z, Zhou R, Zeng S, Hou D, He J, Huang Z. Changes of bacterial communities and bile acid metabolism reveal the potential "intestine-hepatopancreas axis" in shrimp. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 938:173384. [PMID: 38815838 DOI: 10.1016/j.scitotenv.2024.173384] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Revised: 05/11/2024] [Accepted: 05/18/2024] [Indexed: 06/01/2024]
Abstract
The interaction between the gut and the liver plays a significant role in individual health and diseases. Mounting evidence supports that bile acids are important metabolites in the bidirectional communication between the gut and the liver. Most of the current studies on the "gut-liver axis" have focused on higher vertebrates, however, few was reported on lower invertebrates such as shrimp with an open circulatory system. Here, microbiomic and metabolomic analyses were conducted to investigate the bacterial composition and bile acid metabolism in intestine, hemolymph and hepatopancreas of Penaeus vannamei fed diets supplemented with octanoic acid and oleic acid. After six days of feeding, the bacterial composition in intestine, hemolymph and hepatopancreas changed at different stages, with significant increases in the relative abundance of several genera such as Pseudomonas and Rheinheimera in intestine and hepatopancreas. Notably, there was a more similar bacterial composition in intestine and hepatopancreas at the genus level, which indicated the close communication between shrimp intestine and hepatopancreas. Meanwhile, higher content of some bile acids such as lithocholic acid (LCA) and α-muricholic acid (α-MCA) in intestine and lower content of some bile acids such as taurohyocholic acids (THCA) and isolithocholic acid (IsoLCA) in hepatopancreas were detected. Furthermore, Spearman correlation analysis revealed a significant correlation between bacterial composition and bile acid metabolism in intestine and hepatopancreas. The microbial source tracking analysis showed that there was a high proportion of intestine and hepatopancreas bacterial community as the source of each other. Collectively, these results showed a strong crosstalk between shrimp intestine and hepatopancreas, which suggests a unique potential "intestine-hepatopancreas axis" in lower invertebrate shrimp with an open circulatory system. Our finding contributed to the understanding of the interplay between shrimp intestine and hepatopancreas in the view of microecology and provided new ideas for shrimp farming and disease control.
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Affiliation(s)
- Shicheng Bao
- School of Marine Sciences, Sun Yat-sen University, Zhuhai 519082, China
| | - Wenjun Wang
- School of Marine Sciences, Sun Yat-sen University, Zhuhai 519082, China
| | - Zhixuan Deng
- School of Marine Sciences, Sun Yat-sen University, Zhuhai 519082, China
| | - Renjun Zhou
- School of Marine Sciences, Sun Yat-sen University, Zhuhai 519082, China
| | - Shenzheng Zeng
- School of Marine Sciences, Sun Yat-sen University, Zhuhai 519082, China
| | - Dongwei Hou
- School of Marine Sciences, Sun Yat-sen University, Zhuhai 519082, China
| | - Jianguo He
- School of Marine Sciences, Sun Yat-sen University, Zhuhai 519082, China; Southern Marine Sciences and Engineering Guangdong Laboratory (Zhuhai), Sun Yat-sen University, Zhuhai 519082, China; State Key Laboratory of Biocontrol, Sun Yat-sen University, Guangzhou 510275, China
| | - Zhijian Huang
- School of Marine Sciences, Sun Yat-sen University, Zhuhai 519082, China; Southern Marine Sciences and Engineering Guangdong Laboratory (Zhuhai), Sun Yat-sen University, Zhuhai 519082, China; State Key Laboratory of Biocontrol, Sun Yat-sen University, Guangzhou 510275, China.
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6
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Wang B, Han D, Hu X, Chen J, Liu Y, Wu J. Exploring the role of a novel postbiotic bile acid: Interplay with gut microbiota, modulation of the farnesoid X receptor, and prospects for clinical translation. Microbiol Res 2024; 287:127865. [PMID: 39121702 DOI: 10.1016/j.micres.2024.127865] [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: 05/02/2024] [Revised: 08/01/2024] [Accepted: 08/01/2024] [Indexed: 08/12/2024]
Abstract
The gut microbiota, mainly resides in the colon, possesses a remarkable ability to metabolize different substrates to create bioactive substances, including short-chain fatty acids, indole-3-propionic acid, and secondary bile acids. In the liver, bile acids are synthesized from cholesterol and then undergo modification by the gut microbiota. Beyond those reclaimed by the enterohepatic circulation, small percentage of bile acids escaped reabsorption, entering the systemic circulation to bind to several receptors, such as farnesoid X receptor (FXR), thereby exert their biological effects. Gut microbiota interplays with bile acids by affecting their synthesis and determining the production of secondary bile acids. Reciprocally, bile acids shape out the structure of gut microbiota. The interplay of bile acids and FXR is involved in the development of multisystemic conditions, encompassing metabolic diseases, hepatobiliary diseases, immune associated disorders. In the review, we aim to provide a thorough review of the intricate crosstalk between the gut microbiota and bile acids, the physiological roles of bile acids and FXR in mammals' health and disease, and the clinical translational considerations of gut microbiota-bile acids-FXR in the treatment of the diseases.
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Affiliation(s)
- Beibei Wang
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; Institute of Anesthesia and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; Key Laboratory of Anesthesiology and Resuscitation (Huazhong University of Science and Technology), Ministry of Education, China
| | - Dong Han
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; Institute of Anesthesia and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; Key Laboratory of Anesthesiology and Resuscitation (Huazhong University of Science and Technology), Ministry of Education, China
| | - Xinyue Hu
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; Institute of Anesthesia and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; Key Laboratory of Anesthesiology and Resuscitation (Huazhong University of Science and Technology), Ministry of Education, China
| | - Jing Chen
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; Institute of Anesthesia and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; Key Laboratory of Anesthesiology and Resuscitation (Huazhong University of Science and Technology), Ministry of Education, China
| | - Yuwei Liu
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; Institute of Anesthesia and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; Key Laboratory of Anesthesiology and Resuscitation (Huazhong University of Science and Technology), Ministry of Education, China
| | - Jing Wu
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; Institute of Anesthesia and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; Key Laboratory of Anesthesiology and Resuscitation (Huazhong University of Science and Technology), Ministry of Education, China.
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7
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Vico-Oton E, Volet C, Jacquemin N, Dong Y, Hapfelmeier S, Meibom KL, Bernier-Latmani R. Strain-dependent induction of primary bile acid 7-dehydroxylation by cholic acid. BMC Microbiol 2024; 24:286. [PMID: 39090543 PMCID: PMC11293179 DOI: 10.1186/s12866-024-03433-y] [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: 04/02/2024] [Accepted: 07/22/2024] [Indexed: 08/04/2024] Open
Abstract
BACKGROUND Bile acids (BAs) are steroid-derived molecules with important roles in digestion, the maintenance of host metabolism, and immunomodulation. Primary BAs are synthesized by the host, while secondary BAs are produced by the gut microbiome through transformation of the former. The regulation of microbial production of secondary BAs is not well understood, particularly the production of 7-dehydroxylated BAs, which are the most potent agonists for host BA receptors. The 7-dehydroxylation of cholic acid (CA) is well established and is linked to the expression of a bile acid-inducible (bai) operon responsible for this process. However, little to no 7-dehydroxylation has been reported for other host-derived BAs (e.g., chenodeoxycholic acid, CDCA or ursodeoxycholic acid, UDCA). RESULTS Here, we demonstrate that the 7-dehydroxylation of CDCA and UDCA by the human isolate Clostridium scindens is induced when CA is present, suggesting that CA-dependent transcriptional regulation is required for substantial 7-dehydroxylation of these primary BAs. This is supported by the finding that UDCA alone does not promote expression of bai genes. CDCA upregulates expression of the bai genes but the expression is greater when CA is present. In contrast, the murine isolate Extibacter muris exhibits a distinct response; CA did not induce significant 7-dehydroxylation of primary BAs, whereas BA 7-dehydroxylation was promoted upon addition of germ-free mouse cecal content in vitro. However, E. muris was found to 7-dehydroxylate in vivo. CONCLUSIONS The distinct expression responses amongst strains indicate that bai genes are regulated differently. CA promoted bai operon gene expression and the 7-dehydroxylating activity in C. scindens strains. Conversely, the in vitro activity of E. muris was promoted only after the addition of cecal content and the isolate did not alter bai gene expression in response to CA. The accessory gene baiJ was only upregulated in the C. scindens ATCC 35704 strain, implying mechanistic differences amongst isolates. Interestingly, the human-derived C. scindens strains were also capable of 7-dehydroxylating murine bile acids (muricholic acids) to a limited extent. This study shows novel 7-dehydroxylation activity in vitro resulting from the presence of CA and suggests distinct bai gene expression across bacterial species.
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Affiliation(s)
- Eduard Vico-Oton
- Environmental Microbiology Laboratory, School of Architecture, Civil and Environmental Engineering, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Colin Volet
- Environmental Microbiology Laboratory, School of Architecture, Civil and Environmental Engineering, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Nicolas Jacquemin
- Environmental Microbiology Laboratory, School of Architecture, Civil and Environmental Engineering, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Yuan Dong
- Institute for Infectious Diseases, University of Bern, Bern, Switzerland
| | | | - Karin Lederballe Meibom
- Environmental Microbiology Laboratory, School of Architecture, Civil and Environmental Engineering, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Rizlan Bernier-Latmani
- Environmental Microbiology Laboratory, School of Architecture, Civil and Environmental Engineering, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland.
- EPFL ENAC IIE EML CH A1 375 (Bâtiment CH), Station 6, CH-1015, Lausanne, Switzerland.
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8
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Yang X, Xu Y, Li J, Ran X, Gu Z, Song L, Zhang L, Wen L, Ji G, Wang R. Bile acid-gut microbiota imbalance in cholestasis and its long-term effect in mice. mSystems 2024; 9:e0012724. [PMID: 38934542 PMCID: PMC11265269 DOI: 10.1128/msystems.00127-24] [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: 01/26/2024] [Accepted: 05/30/2024] [Indexed: 06/28/2024] Open
Abstract
Cholestasis is a common morbid state that may occur in different phases; however, a comprehensive evaluation of the long-term effect post-recovery is still lacking. In the hepatic cholestasis mouse model, which was induced by a temporary complete blockage of the bile duct, the stasis of bile acids and liver damage typically recovered within a short period. However, we found that the temporary hepatic cholestasis had a long-term effect on gut microbiota dysbiosis, including overgrowth of small intestinal bacteria, decreased diversity of the gut microbiota, and an overall imbalance in its composition accompanied by an elevated inflammation level. Additionally, we observed an increase in Escherichia-Shigella (represented by ASV136078), rich in virulence factors, in both small and large intestines following cholestasis. To confirm the causal role of dysregulated gut microbiota in promoting hepatic inflammation and injury, we conducted gut microbiota transplantation into germ-free mice. We found that recipient mice transplanted with feces from cholestasis mice exhibited liver inflammation, damage, and accumulation of hepatic bile acids. In conclusion, our study demonstrates that cholestasis disrupts the overall load and structural composition of the gut microbiota in mice, and these adverse effects persist after recovery from cholestatic liver injury. This finding suggests the importance of monitoring the structural composition of the gut microbiota in patients with cholestasis and during their recovery. IMPORTANCE Our pre-clinical study using a mouse model of cholestasis underscores that cholestasis not only disrupts the equilibrium and structural configuration of the gut microbiota but also emphasizes the persistence of these adverse effects even after bile stasis restoration. This suggests the need of monitoring and initiating interventions for gut microbiota structural restoration in patients with cholestasis during and after recovery. We believe that our study contributes to novel and better understanding of the intricate interplay among bile acid homeostasis, gut microbiota, and cholestasis-associated complications. Our pre-clinical findings may provide implications for the clinical management of patients with cholestasis.
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Affiliation(s)
- Xin Yang
- Shanghai Innovation Center of TCM Health Service, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Department of Food Science and Technology, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
- Section of Endocrinology, Internal Medicine, School of Medicine, Yale University, New Haven, Connecticut, USA
| | - Yuesong Xu
- Shanghai Innovation Center of TCM Health Service, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Jie Li
- Shanghai Innovation Center of TCM Health Service, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Ximing Ran
- Department of Biostatistics and Bioinformatics, Department of Biostatistics and Bioinformatics, Rollins School of Public Health, Emory University, Atlanta, Georgia, USA
| | - Zhihao Gu
- School of Materials Science and Engineering, East China University of Science and Technology, Shanghai, China
| | - Linfeng Song
- General Medicine, Medical school, Kunming University of Science and Technology, Kunming, China
| | - Lei Zhang
- Shanghai Innovation Center of TCM Health Service, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Li Wen
- Section of Endocrinology, Internal Medicine, School of Medicine, Yale University, New Haven, Connecticut, USA
| | - Guang Ji
- Institute of Digestive Diseases, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Ruirui Wang
- Shanghai Innovation Center of TCM Health Service, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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9
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Pallozzi M, De Gaetano V, Di Tommaso N, Cerrito L, Santopaolo F, Stella L, Gasbarrini A, Ponziani FR. Role of Gut Microbial Metabolites in the Pathogenesis of Primary Liver Cancers. Nutrients 2024; 16:2372. [PMID: 39064815 PMCID: PMC11280141 DOI: 10.3390/nu16142372] [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: 05/29/2024] [Revised: 07/08/2024] [Accepted: 07/10/2024] [Indexed: 07/28/2024] Open
Abstract
Hepatobiliary malignancies, which include hepatocellular carcinoma (HCC) and cholangiocarcinoma (CCA), are the sixth most common cancers and the third leading cause of cancer-related death worldwide. Hepatic carcinogenesis is highly stimulated by chronic inflammation, defined as fibrosis deposition, and an aberrant imbalance between liver necrosis and nodular regeneration. In this context, the gut-liver axis and gut microbiota have demonstrated a critical role in the pathogenesis of HCC, as dysbiosis and altered intestinal permeability promote bacterial translocation, leading to chronic liver inflammation and tumorigenesis through several pathways. A few data exist on the role of the gut microbiota or bacteria resident in the biliary tract in the pathogenesis of CCA, and some microbial metabolites, such as choline and bile acids, seem to show an association. In this review, we analyze the impact of the gut microbiota and its metabolites on HCC and CCA development and the role of gut dysbiosis as a biomarker of hepatobiliary cancer risk and of response during anti-tumor therapy. We also discuss the future application of gut microbiota in hepatobiliary cancer management.
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Affiliation(s)
- Maria Pallozzi
- Liver Unit, Centro Malattie dell’Apparato Digerente (CEMAD), Medicina Interna e Gastroenterologia, Fondazione Policlinico Universitario Gemelli Istituto di Ricovero e Cura a Carattere Scientifico, IRCCS, 00168 Rome, Italy; (M.P.); (V.D.G.); (N.D.T.); (L.C.); (F.S.); (L.S.); (A.G.)
| | - Valeria De Gaetano
- Liver Unit, Centro Malattie dell’Apparato Digerente (CEMAD), Medicina Interna e Gastroenterologia, Fondazione Policlinico Universitario Gemelli Istituto di Ricovero e Cura a Carattere Scientifico, IRCCS, 00168 Rome, Italy; (M.P.); (V.D.G.); (N.D.T.); (L.C.); (F.S.); (L.S.); (A.G.)
| | - Natalia Di Tommaso
- Liver Unit, Centro Malattie dell’Apparato Digerente (CEMAD), Medicina Interna e Gastroenterologia, Fondazione Policlinico Universitario Gemelli Istituto di Ricovero e Cura a Carattere Scientifico, IRCCS, 00168 Rome, Italy; (M.P.); (V.D.G.); (N.D.T.); (L.C.); (F.S.); (L.S.); (A.G.)
| | - Lucia Cerrito
- Liver Unit, Centro Malattie dell’Apparato Digerente (CEMAD), Medicina Interna e Gastroenterologia, Fondazione Policlinico Universitario Gemelli Istituto di Ricovero e Cura a Carattere Scientifico, IRCCS, 00168 Rome, Italy; (M.P.); (V.D.G.); (N.D.T.); (L.C.); (F.S.); (L.S.); (A.G.)
| | - Francesco Santopaolo
- Liver Unit, Centro Malattie dell’Apparato Digerente (CEMAD), Medicina Interna e Gastroenterologia, Fondazione Policlinico Universitario Gemelli Istituto di Ricovero e Cura a Carattere Scientifico, IRCCS, 00168 Rome, Italy; (M.P.); (V.D.G.); (N.D.T.); (L.C.); (F.S.); (L.S.); (A.G.)
| | - Leonardo Stella
- Liver Unit, Centro Malattie dell’Apparato Digerente (CEMAD), Medicina Interna e Gastroenterologia, Fondazione Policlinico Universitario Gemelli Istituto di Ricovero e Cura a Carattere Scientifico, IRCCS, 00168 Rome, Italy; (M.P.); (V.D.G.); (N.D.T.); (L.C.); (F.S.); (L.S.); (A.G.)
| | - Antonio Gasbarrini
- Liver Unit, Centro Malattie dell’Apparato Digerente (CEMAD), Medicina Interna e Gastroenterologia, Fondazione Policlinico Universitario Gemelli Istituto di Ricovero e Cura a Carattere Scientifico, IRCCS, 00168 Rome, Italy; (M.P.); (V.D.G.); (N.D.T.); (L.C.); (F.S.); (L.S.); (A.G.)
- Dipartimento di Medicina e Chirurgia Traslazionale, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
| | - Francesca Romana Ponziani
- Liver Unit, Centro Malattie dell’Apparato Digerente (CEMAD), Medicina Interna e Gastroenterologia, Fondazione Policlinico Universitario Gemelli Istituto di Ricovero e Cura a Carattere Scientifico, IRCCS, 00168 Rome, Italy; (M.P.); (V.D.G.); (N.D.T.); (L.C.); (F.S.); (L.S.); (A.G.)
- Dipartimento di Medicina e Chirurgia Traslazionale, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
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10
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Cao C, Yue S, Lu A, Liang C. Host-Gut Microbiota Metabolic Interactions and Their Role in Precision Diagnosis and Treatment of Gastrointestinal Cancers. Pharmacol Res 2024; 207:107321. [PMID: 39038631 DOI: 10.1016/j.phrs.2024.107321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2024] [Revised: 06/30/2024] [Accepted: 07/17/2024] [Indexed: 07/24/2024]
Abstract
The critical role of the gut microbiome in gastrointestinal cancers is becoming increasingly clear. Imbalances in the gut microbial community, referred to as dysbiosis, are linked to increased risks for various forms of gastrointestinal cancers. Pathogens like Fusobacterium and Helicobacter pylori relate to the onset of esophageal and gastric cancers, respectively, while microbes such as Porphyromonas gingivalis and Clostridium species have been associated with a higher risk of pancreatic cancer. In colorectal cancer, bacteria such as Fusobacterium nucleatum are known to stimulate the growth of tumor cells and trigger cancer-promoting pathways. On the other hand, beneficial microbes like Bifidobacteria offer a protective effect, potentially inhibiting the development of gastrointestinal cancers. The potential for therapeutic interventions that manipulate the gut microbiome is substantial, including strategies to engineer anti-tumor metabolites and employ microbiota-based treatments. Despite the progress in understanding the influence of the microbiome on gastrointestinal cancers, significant challenges remain in identifying and understanding the precise contributions of specific microbial species and their metabolic products. This knowledge is essential for leveraging the role of the gut microbiome in the development of precise diagnostics and targeted therapies for gastrointestinal cancers.
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Affiliation(s)
- Chunhao Cao
- Department of Systems Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen 518055, China; Institute of Integrated Bioinfomedicine and Translational Science (IBTS), School of Chinese Medicine, Hong Kong Baptist University, 999077, Hong Kong Special Administrative Region of China
| | - Siran Yue
- Department of Systems Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen 518055, China; Institute of Integrated Bioinfomedicine and Translational Science (IBTS), School of Chinese Medicine, Hong Kong Baptist University, 999077, Hong Kong Special Administrative Region of China
| | - Aiping Lu
- Institute of Integrated Bioinfomedicine and Translational Science (IBTS), School of Chinese Medicine, Hong Kong Baptist University, 999077, Hong Kong Special Administrative Region of China; Guangdong-Hong Kong-Macau Joint Lab on Chinese Medicine and Immune Disease Research, Guangzhou 510006, China; Shanghai University of Traditional Chinese Medicine, Shanghai 200032, China.
| | - Chao Liang
- Department of Systems Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen 518055, China; Institute of Integrated Bioinfomedicine and Translational Science (IBTS), School of Chinese Medicine, Hong Kong Baptist University, 999077, Hong Kong Special Administrative Region of China; State Key Laboratory of Proteomics, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing 100850, China.
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11
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Zhou X, Xu L, Zhang Q, Chen W, Xie H. The impact of long-term (≥5 years) cholecystectomy on gut microbiota changes and its influence on colorectal cancer risk: based on 16S rDNA sequencing analysis. Eur J Gastroenterol Hepatol 2024:00042737-990000000-00389. [PMID: 39012652 DOI: 10.1097/meg.0000000000002827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/17/2024]
Abstract
BACKGROUND Colorectal cancer (CRC) continues to be a major global health concern. Recent advances in molecular biology have highlighted the gut microbiota's role in CRC. This study investigates long-term (≥5 years) gut microbiota changes in patients postcholecystectomy, comparing them with CRC patients and healthy controls to assess their impact on CRC development. METHODS Sixty participants were divided into three groups: 20 healthy controls, 20 postcholecystectomy (PCE) patients, and 20 CRC patients. Demographic data and stool samples were collected. Gut microbiota composition, abundance, and diversity were analyzed using high-throughput 16S rDNA sequencing. RESULTS Significant differences in microbial community, α-diversity (P < 0.05) and β-diversity (P = 0.006), were observed among the three groups. At the phylum level, Firmicutes abundance was significantly reduced in PCE and CRC groups compared with the control group (P = 0.002), while changes in other phyla were not significant (P>0.05). At the genus level, Bacteroides, Dialister, and Parabacteroides increased progressively from control to PCE to CRC groups (P = 0.004, 0.001, and 0.002). Prevotella decreased across these groups (P = 0.041). Faecalibacterium and Roseburia abundances were reduced in PCE and CRC groups compared with controls (P = 0.001 and 0.003). The Random Forest algorithm identified Parabacteroides, Bacteroides, Roseburia, and Dialister as key distinguishing genera. CONCLUSION The gut microbiota of long-term (≥5 years) PCE patients significantly differs from that of controls and resembles that of CRC patients, suggesting a potential link between cholecystectomy and CRC development through key microbial changes.
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Affiliation(s)
- Xiecheng Zhou
- Department of General Surgery, The Fifth People's Hospital of Shanghai, Fudan University, Shanghai, China
| | - Liang Xu
- Department of General Surgery, The Fifth People's Hospital of Shanghai, Fudan University, Shanghai, China
| | - Qixing Zhang
- Department of Pediatrics, The Fifth People's Hospital of Shanghai, Fudan University, Shanghai, China
| | - Wenqi Chen
- Department of General Surgery, The Fifth People's Hospital of Shanghai, Fudan University, Shanghai, China
| | - Hongwei Xie
- Department of General Surgery, The Fifth People's Hospital of Shanghai, Fudan University, Shanghai, China
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12
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Sheng X, Zhan P, Wang P, He W, Tian H. Mitigation of high-fat diet-induced hepatic steatosis by thyme ( Thymus quinquecostatus Celak) polyphenol-rich extract (TPE): insights into gut microbiota modulation and bile acid metabolism. Food Funct 2024; 15:7333-7347. [PMID: 38305590 DOI: 10.1039/d3fo05235d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2024]
Abstract
Our previous study demonstrated that thyme polyphenol-rich extract (TPE) mitigated hepatic injury induced by a high-fat diet (HFD) through the regulation of lipid metabolism, promotion of short-chain fatty acid production, enhancement of intestinal barrier function, and attenuation of inflammation. In this study, we aimed to further elucidate additional mechanisms underlying TPE-mediated preventive effects on hepatic steatosis, with a specific focus on its impact on the gut microbiota and bile acid (BA) metabolism in HFD-fed mice. TPE treatment resulted in a significant reduction in serum total BA levels and a notable increase in fecal total BA levels. In particular, elevations in fecal conjugated BA levels, in turn, impede intestinal farnesoid X receptor (FXR) signaling, thereby enhancing hepatic synthesis and fecal excretion of BAs. The downregulated mRNA expression levels of intestinal Fxr and Fgf15, and hepatic Fgfr4, along with the upregulated mRNA expression levels of Cyp7a1 and Cyp27a1 after TPE treatment also prove the above inference. Meanwhile, TPE appeared to promote BA efflux and enterohepatic circulation, as evidenced by changes in the mRNA levels of Bsep, Ntpc, Shp, Asbt, Ibabp, and Ostα/β. TPE also modulated the gut microbiota and was characterized by an increased relative abundance of Lactobacillus. Furthermore, antibiotic treatment depleted the intestinal flora in mice, also abrogating the hepatoprotective effect of TPE against NAFLD. These findings collectively indicate that TPE effectively mitigates HFD-induced NAFLD by modulating the gut-liver axis, specifically targeting the gut microbiota and bile acid metabolism.
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Affiliation(s)
- Xialu Sheng
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710119, China.
| | - Ping Zhan
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710119, China.
| | - Peng Wang
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710119, China.
| | - Wanying He
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710119, China.
| | - Honglei Tian
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710119, China.
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13
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Weng H, Deng L, Wang T, Xu H, Wu J, Zhou Q, Yu L, Chen B, Huang L, Qu Y, Zhou L, Chen X. Humid heat environment causes anxiety-like disorder via impairing gut microbiota and bile acid metabolism in mice. Nat Commun 2024; 15:5697. [PMID: 38972900 PMCID: PMC11228019 DOI: 10.1038/s41467-024-49972-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Accepted: 06/25/2024] [Indexed: 07/09/2024] Open
Abstract
Climate and environmental changes threaten human mental health, but the impacts of specific environmental conditions on neuropsychiatric disorders remain largely unclear. Here, we show the impact of a humid heat environment on the brain and the gut microbiota using a conditioned housing male mouse model. We demonstrate that a humid heat environment can cause anxiety-like behaviour in male mice. Microbial 16 S rRNA sequencing analysis reveals that a humid heat environment caused gut microbiota dysbiosis (e.g., decreased abundance of Lactobacillus murinus), and metabolomics reveals an increase in serum levels of secondary bile acids (e.g., lithocholic acid). Moreover, increased neuroinflammation is indicated by the elevated expression of proinflammatory cytokines in the serum and cortex, activated PI3K/AKT/NF-κB signalling and a microglial response in the cortex. Strikingly, transplantation of the microbiota from mice reared in a humid heat environment readily recapitulates these abnormalities in germ-free mice, and these abnormalities are markedly reversed by Lactobacillus murinus administration. Human samples collected during the humid heat season also show a decrease in Lactobacillus murinus abundance and an increase in the serum lithocholic acid concentration. In conclusion, gut microbiota dysbiosis induced by a humid heat environment drives the progression of anxiety disorders by impairing bile acid metabolism and enhancing neuroinflammation, and probiotic administration is a potential therapeutic strategy for these disorders.
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Affiliation(s)
- Huandi Weng
- Department of Neurology and Stroke Center, The First Affiliated Hospital & Clinical Neuroscience Institute of Jinan University, Guangzhou, 510632, PR China
- Guangdong-Hongkong-Macau CNS Regeneration Institute of Jinan University, Key Laboratory of CNS Regeneration (Ministry of Education), Guangdong Key Laboratory of Non-human Primate Research, Guangzhou, 510632, PR China
- School of Traditional Chinese Medicine, Jinan University, Guangzhou, 510632, PR China
| | - Li Deng
- School of Traditional Chinese Medicine, Jinan University, Guangzhou, 510632, PR China
| | - Tianyuan Wang
- School of Traditional Chinese Medicine, Jinan University, Guangzhou, 510632, PR China
| | - Huachong Xu
- School of Traditional Chinese Medicine, Jinan University, Guangzhou, 510632, PR China
| | - Jialin Wu
- School of Traditional Chinese Medicine, Jinan University, Guangzhou, 510632, PR China
| | - Qinji Zhou
- School of Traditional Chinese Medicine, Jinan University, Guangzhou, 510632, PR China
| | - Lingtai Yu
- Guangdong-Hongkong-Macau CNS Regeneration Institute of Jinan University, Key Laboratory of CNS Regeneration (Ministry of Education), Guangdong Key Laboratory of Non-human Primate Research, Guangzhou, 510632, PR China
| | - Boli Chen
- Guangdong-Hongkong-Macau CNS Regeneration Institute of Jinan University, Key Laboratory of CNS Regeneration (Ministry of Education), Guangdong Key Laboratory of Non-human Primate Research, Guangzhou, 510632, PR China
| | - Li'an Huang
- Department of Neurology and Stroke Center, The First Affiliated Hospital & Clinical Neuroscience Institute of Jinan University, Guangzhou, 510632, PR China
| | - Yibo Qu
- Guangdong-Hongkong-Macau CNS Regeneration Institute of Jinan University, Key Laboratory of CNS Regeneration (Ministry of Education), Guangdong Key Laboratory of Non-human Primate Research, Guangzhou, 510632, PR China
| | - Libing Zhou
- Department of Neurology and Stroke Center, The First Affiliated Hospital & Clinical Neuroscience Institute of Jinan University, Guangzhou, 510632, PR China.
- Guangdong-Hongkong-Macau CNS Regeneration Institute of Jinan University, Key Laboratory of CNS Regeneration (Ministry of Education), Guangdong Key Laboratory of Non-human Primate Research, Guangzhou, 510632, PR China.
- Co-innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu, PR China.
- Neuroscience and Neurorehabilitation Institute, University of Health and Rehabilitation Sciences, Qingdao, 266071, Shandong, PR China.
- Center for Exercise and Brain Science, School of Psychology, Shanghai University of Sport, Shanghai, 200438, PR China.
| | - Xiaoyin Chen
- School of Traditional Chinese Medicine, Jinan University, Guangzhou, 510632, PR China.
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14
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Coates PM, Bailey RL, Blumberg JB, El-Sohemy A, Floyd ZE, Goldenberg JZ, Gould Shunney A, Holscher HD, Nkrumah-Elie Y, Rai D, Ritz BW, Weber WJ. The Evolution of Science and Regulation of Dietary Supplements: Past, Present, and Future. J Nutr 2024:S0022-3166(24)00356-0. [PMID: 38971530 DOI: 10.1016/j.tjnut.2024.06.017] [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: 04/10/2024] [Revised: 06/19/2024] [Accepted: 06/26/2024] [Indexed: 07/08/2024] Open
Abstract
Dietary supplement use in the United States is widespread and increasing, especially among certain population groups, such as older Americans. The science surrounding dietary supplements has evolved substantially over the last few decades since their formal regulation in 1994. Much has been learned about the mechanisms of action of many dietary supplement ingredients, but the evidence on their health effects is still building. As is true of much nutrition research, there are many studies that point to health effects, but not all are at the level of scientific evidence (e.g., randomized controlled interventions), rigor, or quality needed for definitive statements of efficacy regarding clinical end points. New technologies and approaches are being applied to the science of dietary supplements, including nutrigenomics and microbiome analysis, data science, artificial intelligence (AI), and machine learning-all of which can elevate the science behind dietary supplements. Products can contain an array of bioactive compounds derived from foods as well as from medicinal plants, which creates enormous challenges in data collection and management. Clinical applications, particularly those aimed at providing personalized nutrition options for patients, have become more sophisticated as dietary supplements are incorporated increasingly into clinical practice and self-care. The goals of this article are to provide historical context for the regulation and science of dietary supplements, identify research resources, and suggest some future directions for science in this field.
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Affiliation(s)
- Paul M Coates
- Department of Applied Health Science, Indiana University School of Public Health, Bloomington, IN, United States.
| | - Regan L Bailey
- Institute for Advancing Health Through Agriculture, Texas A&M University System, College Station, TX, United States
| | - Jeffrey B Blumberg
- Friedman School of Nutrition Science and Policy, Tufts University, Boston, MA, United States
| | - Ahmed El-Sohemy
- Department of Nutritional Sciences, University of Toronto, Toronto, Ontario, Canada
| | - Z Elizabeth Floyd
- McIlhenny Botanical Research Laboratory, Pennington Biomedical Research Center, Baton Rouge, LA, United States
| | - Joshua Z Goldenberg
- Helfgott Research Institute, National University of Natural Medicine, Portland, OR, United States
| | | | - Hannah D Holscher
- Department of Food Science and Human Nutrition, University of Illinois Urbana-Champaign, Urbana, IL, United States
| | | | - Deshanie Rai
- OmniActive Health Technologies, Morristown, NJ, United States
| | - Barry W Ritz
- Nestlé Health Science, Bridgewater, NJ, United States
| | - Wendy J Weber
- National Center for Complementary and Integrative Health, National Institutes of Health, Bethesda, MD, United States
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15
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Huang Y, Xu W, Dong W, Chen G, Sun Y, Zeng X. Anti-diabetic effect of dicaffeoylquinic acids is associated with the modulation of gut microbiota and bile acid metabolism. J Adv Res 2024:S2090-1232(24)00264-9. [PMID: 38969095 DOI: 10.1016/j.jare.2024.06.027] [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: 03/30/2024] [Revised: 06/06/2024] [Accepted: 06/30/2024] [Indexed: 07/07/2024] Open
Abstract
INTRODUCTION The human gut microbiome plays a pivotal role in health and disease, notably through its interaction with bile acids (BAs). BAs, synthesized in the liver, undergo transformation by the gut microbiota upon excretion into the intestine, thus influencing host metabolism. However, the potential mechanisms of dicaffeoylquinic acids (DiCQAs) from Ilex kudingcha how to modulate lipid metabolism and inflammation via gut microbiota remain unclear. OBJECTIVES AND METHODS The objectives of the present study were to investigate the regulating effects of DiCQAs on diabetes and the potential mechanisms of action. Two mice models were utilized to investigate the anti-diabetic effects of DiCQAs. Additionally, analysis of gut microbiota structure and functions was conducted concurrently with the examination of DiCQAs' impact on gut microbiota carrying the bile salt hydrolase (BSH) gene, as well as on the enterohepatic circulation of BAs and related signaling pathways. RESULTS Our findings demonstrated that DiCQAs alleviated diabetic symptoms by modulating gut microbiota carrying the BSH gene. This modulation enhanced intestinal barrier integrity, increased enterohepatic circulation of conjugated BAs, and inhibited the farnesoid X receptor-fibroblast growth factor 15 (FGF15) signaling axis in the ileum. Consequently, the protein expression of hepatic FGFR4 fibroblast growth factor receptor 4 (FGFR4) decreased, accompanied by heightened BA synthesis, reduced hepatic BA stasis, and lowered levels of hepatic and plasma cholesterol. Furthermore, DiCQAs upregulated glucolipid metabolism-related proteins in the liver and muscle, including v-akt murine thymoma viral oncogene homolog (AKT)/glycogen synthase kinase 3-beta (GSK3β) and AMP-activated protein kinase (AMPK), thereby ameliorating hyperglycemia and mitigating inflammation through the down-regulation of the MAPK signaling pathway in the diabetic group. CONCLUSION Our study elucidated the anti-diabetic effects and mechanism of DiCQAs from I. kudingcha, highlighting the potential of targeting gut microbiota, particularly Acetatifactor sp011959105 and Acetatifactor muris carrying the BSH gene, as a therapeutic strategy to attenuate FXR-FGF15 signaling and ameliorate diabetes.
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Affiliation(s)
- Yujie Huang
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, Jiangsu, China; School of Public Health, Guizhou Medical University, Guiyang 561113, Guizhou, China
| | - Weiqi Xu
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, Jiangsu, China
| | - Wei Dong
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, Jiangsu, China
| | - Guijie Chen
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, Jiangsu, China
| | - Yi Sun
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, Jiangsu, China
| | - Xiaoxiong Zeng
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, Jiangsu, China.
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16
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Vliex LMM, Penders J, Nauta A, Zoetendal EG, Blaak EE. The individual response to antibiotics and diet - insights into gut microbial resilience and host metabolism. Nat Rev Endocrinol 2024; 20:387-398. [PMID: 38486011 DOI: 10.1038/s41574-024-00966-0] [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] [Accepted: 02/20/2024] [Indexed: 06/16/2024]
Abstract
Antibiotic use disrupts microbial composition and activity in humans, but whether this disruption in turn affects host metabolic health is unclear. Cohort studies show associations between antibiotic use and an increased risk of developing obesity and type 2 diabetes mellitus. Here, we review available clinical trials and show the disruptive effect of antibiotic use on the gut microbiome in humans, as well as its impact on bile acid metabolism and microbial metabolites such as short-chain fatty acids. Placebo-controlled human studies do not show a consistent effect of antibiotic use on body weight and insulin sensitivity at a population level, but rather an individual-specific or subgroup-specific response. This response to antibiotic use is affected by the resistance and resilience of the gut microbiome, factors that determine the extent of disruption and the speed of recovery afterwards. Nutritional strategies to improve the composition and functionality of the gut microbiome, as well as its recovery after antibiotic use (for instance, with prebiotics), require a personalized approach to increase their efficacy. Improved insights into key factors that influence the individual-specific response to antibiotics and dietary intervention may lead to better efficacy in reversing or preventing antibiotic-induced microbial dysbiosis as well as strategies for preventing cardiometabolic diseases.
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Affiliation(s)
- Lars M M Vliex
- Department of Human Biology, NUTRIM, School for Nutrition and Translational Research in Metabolism, Maastricht University Medical Center+, Maastricht, The Netherlands
| | - John Penders
- Department of Medical Microbiology, Infectious Diseases and Infection Prevention, NUTRIM, School for Nutrition and Translational Research in Metabolism, Maastricht University Medical Center+, Maastricht, The Netherlands
| | - Arjen Nauta
- FrieslandCampina, Amersfoort, The Netherlands
| | - Erwin G Zoetendal
- Laboratory of Microbiology, Wageningen University & Research, Wageningen, The Netherlands
| | - Ellen E Blaak
- Department of Human Biology, NUTRIM, School for Nutrition and Translational Research in Metabolism, Maastricht University Medical Center+, Maastricht, The Netherlands.
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17
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Lee B, Lee SM, Song JW, Choi JW. Gut Microbiota Metabolite Messengers in Brain Function and Pathology at a View of Cell Type-Based Receptor and Enzyme Reaction. Biomol Ther (Seoul) 2024; 32:403-423. [PMID: 38898687 PMCID: PMC11214962 DOI: 10.4062/biomolther.2024.009] [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: 01/10/2024] [Revised: 05/02/2024] [Accepted: 05/25/2024] [Indexed: 06/21/2024] Open
Abstract
The human gastrointestinal (GI) tract houses a diverse microbial community, known as the gut microbiome comprising bacteria, viruses, fungi, and protozoa. The gut microbiome plays a crucial role in maintaining the body's equilibrium and has recently been discovered to influence the functioning of the central nervous system (CNS). The communication between the nervous system and the GI tract occurs through a two-way network called the gut-brain axis. The nervous system and the GI tract can modulate each other through activated neuronal cells, the immune system, and metabolites produced by the gut microbiome. Extensive research both in preclinical and clinical realms, has highlighted the complex relationship between the gut and diseases associated with the CNS, such as Alzheimer's disease, Parkinson's disease, and amyotrophic lateral sclerosis. This review aims to delineate receptor and target enzymes linked with gut microbiota metabolites and explore their specific roles within the brain, particularly their impact on CNS-related diseases.
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Affiliation(s)
- Bada Lee
- Department of Biomedicinal and Pharmaceutical Sciences, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Soo Min Lee
- Department of Biomedicinal and Pharmaceutical Sciences, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Jae Won Song
- Department of Regulatory Science, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Jin Woo Choi
- Department of Biomedicinal and Pharmaceutical Sciences, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea
- Department of Regulatory Science, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea
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18
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Niu YR, Yu HN, Yan ZH, Yan XH. Multiomics Analysis Reveals Leucine Deprivation Promotes Bile Acid Synthesis by Upregulating Hepatic CYP7A1 and Intestinal Turicibacter sanguinis in Mice. J Nutr 2024; 154:1970-1984. [PMID: 38692354 DOI: 10.1016/j.tjnut.2024.04.033] [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: 01/07/2024] [Revised: 03/19/2024] [Accepted: 04/26/2024] [Indexed: 05/03/2024] Open
Abstract
BACKGROUND Leucine, a branched-chain amino acid, participates in the regulation of lipid metabolism and the composition of the intestinal microbiota. However, the related mechanism remains unclear. OBJECTIVES Here, we aimed to reveal the potential mechanisms by which hepatic CYP7A1 (a rate-limiting enzyme for bile acid [BA] synthesis) and gut microbiota coregulate BA synthesis under leucine deprivation. METHODS To this end, 8-wk-old C57BL/6J mice were fed with either regular diets or leucine-free diets for 1 wk. Then, we investigated whether secondary BAs were synthesized by Turicibacter sanguinis in 7-wk-old C57BL/6J germ-free mice gavaged with T. sanguinis for 2 wk by determining BA concentrations in the plasma, liver, and cecum contents using liquid chromatography-tandem mass spectrometry. RESULTS The results showed that leucine deprivation resulted in a significant increase in total BA concentration in the plasma and an increase in the liver, but no difference in total BA was observed in the cecum contents before and after leucine deprivation. Furthermore, leucine deprivation significantly altered BA profiles such as taurocholic acid and ω-muricholic acid in the plasma, liver, and cecum contents. CYP7A1 expression was significantly upregulated in the liver under leucine deprivation. Leucine deprivation also regulated the composition of the gut microbiota; specifically, it significantly upregulated the relative abundance of T. sanguinis, thus enhancing the conversion of primary BAs into secondary BAs by intestinal T. sanguinis in mice. CONCLUSIONS Overall, leucine deprivation regulated BA profiles in enterohepatic circulation by upregulating hepatic CYP7A1 expression and increasing intestinal T. sanguinis abundance. Our findings reveal the contribution of gut microbiota to BA metabolism under dietary leucine deprivation.
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Affiliation(s)
- Yao-Rong Niu
- National Key Laboratory of Agricultural Microbiology, Frontiers Science Center for Animal Breeding and Sustainable Production, Hubei Hongshan Laboratory, College of Animal Sciences and Technology, Huazhong Agricultural University, Wuhan, Hubei, China; The Cooperative Innovation Center for Sustainable Pig Production, Wuhan, Hubei, China; Hubei Provincial Engineering Laboratory for Pig Precision Feeding and Feed Safety Technology, Wuhan, Hubei, China
| | - Hao-Nan Yu
- National Key Laboratory of Agricultural Microbiology, Frontiers Science Center for Animal Breeding and Sustainable Production, Hubei Hongshan Laboratory, College of Animal Sciences and Technology, Huazhong Agricultural University, Wuhan, Hubei, China; The Cooperative Innovation Center for Sustainable Pig Production, Wuhan, Hubei, China; Hubei Provincial Engineering Laboratory for Pig Precision Feeding and Feed Safety Technology, Wuhan, Hubei, China
| | - Zhen-Hong Yan
- National Key Laboratory of Agricultural Microbiology, Frontiers Science Center for Animal Breeding and Sustainable Production, Hubei Hongshan Laboratory, College of Animal Sciences and Technology, Huazhong Agricultural University, Wuhan, Hubei, China; The Cooperative Innovation Center for Sustainable Pig Production, Wuhan, Hubei, China; Hubei Provincial Engineering Laboratory for Pig Precision Feeding and Feed Safety Technology, Wuhan, Hubei, China
| | - Xiang-Hua Yan
- National Key Laboratory of Agricultural Microbiology, Frontiers Science Center for Animal Breeding and Sustainable Production, Hubei Hongshan Laboratory, College of Animal Sciences and Technology, Huazhong Agricultural University, Wuhan, Hubei, China; The Cooperative Innovation Center for Sustainable Pig Production, Wuhan, Hubei, China; Hubei Provincial Engineering Laboratory for Pig Precision Feeding and Feed Safety Technology, Wuhan, Hubei, China.
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19
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Zhang R, Yan Z, Zhong H, Luo R, Liu W, Xiong S, Liu Q, Liu M. Gut microbial metabolites in MASLD: Implications of mitochondrial dysfunction in the pathogenesis and treatment. Hepatol Commun 2024; 8:e0484. [PMID: 38967596 PMCID: PMC11227362 DOI: 10.1097/hc9.0000000000000484] [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] [Received: 12/22/2023] [Accepted: 04/09/2024] [Indexed: 07/06/2024] Open
Abstract
With an increasing prevalence, metabolic dysfunction-associated steatotic liver disease (MASLD) has become a major global health problem. MASLD is well-known as a multifactorial disease. Mitochondrial dysfunction and alterations in the gut bacteria are 2 vital events in MASLD. Recent studies have highlighted the cross-talk between microbiota and mitochondria, and mitochondria are recognized as pivotal targets of the gut microbiota to modulate the host's physiological state. Mitochondrial dysfunction plays a vital role in MASLD and is associated with multiple pathological changes, including hepatocyte steatosis, oxidative stress, inflammation, and fibrosis. Metabolites are crucial mediators of the gut microbiota that influence extraintestinal organs. Additionally, regulation of the composition of gut bacteria may serve as a promising therapeutic strategy for MASLD. This study reviewed the potential roles of several common metabolites in MASLD, emphasizing their impact on mitochondrial function. Finally, we discuss the current treatments for MASLD, including probiotics, prebiotics, antibiotics, and fecal microbiota transplantation. These methods concentrate on restoring the gut microbiota to promote host health.
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Affiliation(s)
- Ruhan Zhang
- College of Acupuncture, Tuina, and Rehabilitation, Hunan University of Chinese Medicine, Hunan, China
| | - Zhaobo Yan
- College of Acupuncture, Tuina, and Rehabilitation, Hunan University of Chinese Medicine, Hunan, China
| | - Huan Zhong
- College of Acupuncture, Tuina, and Rehabilitation, Hunan University of Chinese Medicine, Hunan, China
| | - Rong Luo
- Department of Acupuncture and Massage Rehabilitation, The First Affiliated Hospital of Hunan University of Chinese Medicine, Hunan, China
| | - Weiai Liu
- Department of Acupuncture and Massage Rehabilitation, The Second Affiliated Hospital of Hunan University of Traditional Chinese Medicine, Hunan, China
| | - Shulin Xiong
- Department of Preventive Center, The Second Affiliated Hospital of Hunan University of Traditional Chinese Medicine, Hunan, China
| | - Qianyan Liu
- College of Acupuncture, Tuina, and Rehabilitation, Hunan University of Chinese Medicine, Hunan, China
| | - Mi Liu
- College of Acupuncture, Tuina, and Rehabilitation, Hunan University of Chinese Medicine, Hunan, China
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20
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Francini E, Orlandoni P, Sparvoli D, Jukic Peladic N, Cardelli M, Recchioni R, Silvi S, Stocchi V, Donati Zeppa S, Procopio AD, Capalbo M, Lattanzio F, Olivieri F, Marchegiani F. Possible Role of Tauroursodeoxycholic Acid (TUDCA) and Antibiotic Administration in Modulating Human Gut Microbiota in Home Enteral Nutrition Therapy for the Elderly: A Case Report. Int J Mol Sci 2024; 25:7115. [PMID: 39000220 PMCID: PMC11240908 DOI: 10.3390/ijms25137115] [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: 06/18/2024] [Revised: 06/26/2024] [Accepted: 06/26/2024] [Indexed: 07/16/2024] Open
Abstract
Tauroursodeoxycholic acid (TUDCA) increases the influx of primary bile acids into the gut. Results obtained on animal models suggested that Firmicutes and Proteobacteria phyla are more resistant to bile acids in rats. As part of a pilot study investigating the role of probiotics supplementation in elderly people with home enteral nutrition (HEN), a case of a 92-year-old woman with HEN is reported in the present study. She lives in a nursing home and suffers from Alzheimer's disease (AD); the patient had been prescribed TUDCA for lithiasis cholangitis. The aim of this case report is therefore to investigate whether long-term TUDCA administration may play a role in altering the patient's gut microbiota (GM) and the impact of an antibiotic therapy on the diversity of microbial species. Using next generation sequencing (NGS) analysis of the bacterial 16S ribosomal RNA (rRNA) gene a dominant shift toward Firmicutes and a remodeling in Proteobacteria abundance was observed in the woman's gut microbiota. Considering the patient's age, health status and type of diet, we would have expected to find a GM with a prevalence of Bacteroidetes phylum. This represents the first study investigating the possible TUDCA's effect on human GM.
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Affiliation(s)
- Emanuele Francini
- Clinic of Laboratory and Precision Medicine, IRCCS INRCA, 60121 Ancona, Italy; (R.R.); (A.D.P.); (F.M.)
| | - Paolo Orlandoni
- Clinical Nutrition, IRCCS INRCA, 60127 Ancona, Italy; (P.O.); (D.S.); (N.J.P.)
| | - Debora Sparvoli
- Clinical Nutrition, IRCCS INRCA, 60127 Ancona, Italy; (P.O.); (D.S.); (N.J.P.)
| | | | - Maurizio Cardelli
- Advanced Technology Center for Aging Research, IRCCS INRCA, 60121 Ancona, Italy; (M.C.); (F.O.)
| | - Rina Recchioni
- Clinic of Laboratory and Precision Medicine, IRCCS INRCA, 60121 Ancona, Italy; (R.R.); (A.D.P.); (F.M.)
| | - Stefania Silvi
- School of Biosciences and Veterinary Medicine, University of Camerino, Via Gentile III da Varano, 62032 Camerino, Italy;
| | - Vilberto Stocchi
- Department of Human Science and Promotion of Quality of Life, San Raffaele Rome Telematic University, 00166 Rome, Italy;
| | - Sabrina Donati Zeppa
- Department of Biomolecular Sciences, University of Urbino Carlo Bo, 61029 Urbino, Italy;
| | - Antonio Domenico Procopio
- Clinic of Laboratory and Precision Medicine, IRCCS INRCA, 60121 Ancona, Italy; (R.R.); (A.D.P.); (F.M.)
- Laboratory of Experimental Pathology, Department of Clinical and Molecular Sciences, Università Politecnica delle Marche, 60100 Ancona, Italy
| | - Maria Capalbo
- General Direction, IRCCS INRCA, 60124 Ancona, Italy;
| | | | - Fabiola Olivieri
- Advanced Technology Center for Aging Research, IRCCS INRCA, 60121 Ancona, Italy; (M.C.); (F.O.)
- Laboratory of Experimental Pathology, Department of Clinical and Molecular Sciences, Università Politecnica delle Marche, 60100 Ancona, Italy
| | - Francesca Marchegiani
- Clinic of Laboratory and Precision Medicine, IRCCS INRCA, 60121 Ancona, Italy; (R.R.); (A.D.P.); (F.M.)
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21
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Nie X, Lu Q, Yin Y, He Z, Bai Y, Zhu C. Microbiome and metabolome analyses reveal significant alterations of gut microbiota and bile acid metabolism in ETEC-challenged weaned piglets by dietary berberine supplementation. Front Microbiol 2024; 15:1428287. [PMID: 38983627 PMCID: PMC11231202 DOI: 10.3389/fmicb.2024.1428287] [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: 05/06/2024] [Accepted: 06/06/2024] [Indexed: 07/11/2024] Open
Abstract
This study mainly investigated the effects of berberine (BBR) on the bile acid metabolism in gut-liver axis and the microbial community in large intestine of weaned piglets challenged with enterotoxigenic Escherichia coli (ETEC) by microbiome and metabolome analyses. Sixty-four piglets were randomly assigned to four groups including Control group, BBR group, ETEC group, and BBR + ETEC group. Dietary BBR supplementation upregulated the colonic mRNA expression of Occludin, Claudin-5, trefoil factor 3 (TFF3), and interleukin (IL)-10, and downregulated colonic IL-1β and IL-8 mRNA expression in piglets challenged with ETEC K88 (p < 0.05). The hepatic non-targeted metabolome results showed that dietary BBR supplementation enriched the metabolic pathways of primary bile acid biosynthesis, tricarboxylic acid cycle, and taurine metabolism. The hepatic targeted metabolome analyses showed that BBR treatment increased the hepatic concentrations of taurocholic acid (TCA) and taurochenodeoxycholic acid (TDCA), but decreased the hepatic cholic acid (CA) concentration (p < 0.05). Further intestinal targeted metabolome analyses indicated that the deoxycholic acid (DCA), hyocholic acid (HCA), 7-ketodeoxycholic acid (7-KDCA), and the unconjugated bile acid concentrations in ileal mucosa was decreased by dietary BBR treatment (p < 0.05). Additionally, BBR treatment significantly upregulated the hepatic holesterol 7 α-hydroxylase (CYP7A1) and sterol 27-hydroxylase (CYP27A1) mRNA expression, and upregulated the ileal mRNA expression of farnesoid X receptor (FXR) and apical sodium-dependent bile acid transporter (ASBT) as well as the colonic mRNA expression of FXR, fibroblast growth factor19 (FGF19), takeda G protein-coupled receptor 5 (TGR5) and organic solute transporters beta (OST-β) in piglets (p < 0.05). Moreover, the microbiome analysis showed that BBR significantly altered the composition and diversity of colonic and cecal microbiota community, with the abundances of Firmicutes (phylum), and Lactobacillus and Megasphaera (genus) significantly increased in the large intestine of piglets (p < 0.05). Spearman correlation analysis showed that the relative abundances of Megasphaera (genus) were positively correlated with Claudin-5, Occludin, TFF3, and hepatic TCDCA concentration, but negatively correlated with hepatic CA and glycocholic acid (GCA) concentration (p < 0.05). Moreover, the relative abundances of Firmicute (phylum) and Lactobacillus (genus) were positively correlated with hepatic TCDCA concentration (p < 0.05). Collectively, dietary BBR supplementation could regulate the gut microbiota and bile acid metabolism through modulation of gut-liver axis, and attenuate the decreased intestinal tight junction expression caused by ETEC, which might help maintain intestinal homeostasis in weaned piglets.
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Affiliation(s)
- Xiaoyan Nie
- School of Life Science and Engineering, Foshan University, Foshan, China
| | - Qi Lu
- School of Life Science and Engineering, Foshan University, Foshan, China
| | - Yucheng Yin
- School of Life Science and Engineering, Foshan University, Foshan, China
| | - Zhentao He
- School of Life Science and Engineering, Foshan University, Foshan, China
| | - Yinshan Bai
- School of Life Science and Engineering, Foshan University, Foshan, China
- Guangdong Province Doctoral Workstation, Shanwei Xinsheng Leisure Agriculture Co., Ltd, Shanwei, China
| | - Cui Zhu
- School of Life Science and Engineering, Foshan University, Foshan, China
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22
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Román-Sagüillo S, Quiñones Castro R, Juárez-Fernández M, Soluyanova P, Stephens C, Robles-Díaz M, Jorquera Plaza F, González-Gallego J, Martínez-Flórez S, García-Mediavilla MV, Nistal E, Jover R, Sánchez-Campos S. Idiosyncratic Drug-Induced Liver Injury and Amoxicillin-Clavulanate: Spotlight on Gut Microbiota, Fecal Metabolome and Bile Acid Profile in Patients. Int J Mol Sci 2024; 25:6863. [PMID: 38999973 PMCID: PMC11241776 DOI: 10.3390/ijms25136863] [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: 05/20/2024] [Revised: 06/18/2024] [Accepted: 06/20/2024] [Indexed: 07/14/2024] Open
Abstract
Several hepatic disorders are influenced by gut microbiota, but its role in idiosyncratic drug-induced liver injury (iDILI), whose main causative agent is amoxicillin-clavulanate, remains unknown. This pioneering study aims to unravel particular patterns of gut microbiota composition and associated metabolites in iDILI and iDILI patients by amoxicillin-clavulanate (iDILI-AC). Thus, serum and fecal samples from 46 patients were divided into three study groups: healthy controls (n = 10), non-iDILI acute hepatitis (n = 12) and iDILI patients (n = 24). To evaluate the amoxicillin-clavulanate effect, iDILI patients were separated into two subgroups: iDILI non-caused by amoxicillin-clavulanate (iDILI-nonAC) (n = 18) and iDILI-AC patients (n = 6). Gut microbiota composition and fecal metabolome plus serum and fecal bile acid (BA) analyses were performed, along with correlation analyses. iDILI patients presented a particular microbiome profile associated with reduced fecal secondary BAs and fecal metabolites linked to lower inflammation, such as dodecanedioic acid and pyridoxamine. Moreover, certain taxa like Barnesiella, Clostridia UCG-014 and Eubacterium spp. correlated with significant metabolites and BAs. Additionally, comparisons between iDILI-nonAC and iDILI-AC groups unraveled unique features associated with iDILI when caused by amoxicillin-clavulanate. In conclusion, specific gut microbiota profiles in iDILI and iDILI-AC patients were associated with particular metabolic and BA status, which could affect disease onset and progression.
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Affiliation(s)
- Sara Román-Sagüillo
- Instituto Universitario de Biomedicina (IBIOMED), Universidad de León, 24071 León, Spain
| | - Raisa Quiñones Castro
- Servicio de Aparato Digestivo, Complejo Asistencial Universitario de León, 24008 León, Spain
| | - María Juárez-Fernández
- Instituto Universitario de Biomedicina (IBIOMED), Universidad de León, 24071 León, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Polina Soluyanova
- Unidad Mixta de Investigación en Hepatología Experimental, IIS Hospital La Fe, 46026 Valencia, Spain
- Departamento de Bioquímica y Biología Molecular, Universidad de Valencia, 46010 Valencia, Spain
| | - Camilla Stephens
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, 28029 Madrid, Spain
- Unidad de Gestión Clínica de Aparato Digestivo y Servicio de Farmacología Clínica, Instituto de Investigación Biomédica de Málaga-IBIMA Plataforma BIONAND, Hospital Universitario Virgen de la Victoria, Facultad de Medicina, Universidad de Málaga, 29010 Málaga, Spain
| | - Mercedes Robles-Díaz
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, 28029 Madrid, Spain
- Unidad de Gestión Clínica de Aparato Digestivo y Servicio de Farmacología Clínica, Instituto de Investigación Biomédica de Málaga-IBIMA Plataforma BIONAND, Hospital Universitario Virgen de la Victoria, Facultad de Medicina, Universidad de Málaga, 29010 Málaga, Spain
| | - Francisco Jorquera Plaza
- Instituto Universitario de Biomedicina (IBIOMED), Universidad de León, 24071 León, Spain
- Servicio de Aparato Digestivo, Complejo Asistencial Universitario de León, 24008 León, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Javier González-Gallego
- Instituto Universitario de Biomedicina (IBIOMED), Universidad de León, 24071 León, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Susana Martínez-Flórez
- Instituto Universitario de Biomedicina (IBIOMED), Universidad de León, 24071 León, Spain
| | - María Victoria García-Mediavilla
- Instituto Universitario de Biomedicina (IBIOMED), Universidad de León, 24071 León, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Esther Nistal
- Instituto Universitario de Biomedicina (IBIOMED), Universidad de León, 24071 León, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Ramiro Jover
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, 28029 Madrid, Spain
- Unidad Mixta de Investigación en Hepatología Experimental, IIS Hospital La Fe, 46026 Valencia, Spain
- Departamento de Bioquímica y Biología Molecular, Universidad de Valencia, 46010 Valencia, Spain
| | - Sonia Sánchez-Campos
- Instituto Universitario de Biomedicina (IBIOMED), Universidad de León, 24071 León, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, 28029 Madrid, Spain
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23
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Huang C, Xu S, Chen R, Ding Y, Fu Q, He B, Jiang T, Zeng B, Bao M, Li S. Assessing causal associations of bile acids with obesity indicators: A Mendelian randomization study. Medicine (Baltimore) 2024; 103:e38610. [PMID: 38905395 PMCID: PMC11191951 DOI: 10.1097/md.0000000000038610] [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: 01/17/2024] [Accepted: 05/24/2024] [Indexed: 06/23/2024] Open
Abstract
Maintaining a balanced bile acids (BAs) metabolism is essential for lipid and cholesterol metabolism, as well as fat intake and absorption. The development of obesity may be intricately linked to BAs and their conjugated compounds. Our study aims to assess how BAs influence the obesity indicators by Mendelian randomization (MR) analysis. Instrumental variables of 5 BAs were obtained from public genome-wide association study databases, and 8 genome-wide association studies related to obesity indicators were used as outcomes. Causal inference analysis utilized inverse-variance weighted (IVW), weighted median, and MR-Egger methods. Sensitivity analysis involved MR-PRESSO and leave-one-out techniques to detect pleiotropy and outliers. Horizontal pleiotropy and heterogeneity were assessed using the MR-Egger intercept and Cochran Q statistic, respectively. The IVW analysis revealed an odds ratio of 0.94 (95% confidence interval: 0.88, 1.00; P = .05) for the association between glycolithocholate (GLCA) and obesity, indicating a marginal negative causal association. Consistent direction of the estimates obtained from the weighted median and MR-Egger methods was observed in the analysis of the association between GLCA and obesity. Furthermore, the IVW analysis demonstrated a suggestive association between GLCA and trunk fat percentage, with a beta value of -0.014 (95% confidence interval: -0.027, -0.0004; P = .04). Our findings suggest a potential negative causal relationship between GLCA and both obesity and trunk fat percentage, although no association survived corrections for multiple comparisons. These results indicate a trend towards a possible association between BAs and obesity, emphasizing the need for future studies.
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Affiliation(s)
- Chunxia Huang
- School of Stomatology, Changsha Medical University, Changsha, China
| | - Shuling Xu
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China
| | - Rumeng Chen
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China
| | - Yining Ding
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China
| | - Qingming Fu
- School of Stomatology, Changsha Medical University, Changsha, China
| | - Binsheng He
- The Hunan Provincial Key Laboratory of the TCM Agricultural Biogenomics, Changsha Medical University, Changsha, China
| | - Ting Jiang
- School of Stomatology, Changsha Medical University, Changsha, China
| | - Bin Zeng
- School of Stomatology, Changsha Medical University, Changsha, China
| | - Meihua Bao
- The Hunan Provincial Key Laboratory of the TCM Agricultural Biogenomics, Changsha Medical University, Changsha, China
- Hunan Key Laboratory of the Research and Development of Novel Pharmaceutical Preparations, School of Pharmaceutical Science, Changsha Medical University, Changsha, China
| | - Sen Li
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China
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24
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Sharma B, Twelker K, Nguyen C, Ellis S, Bhatia ND, Kuschner Z, Agriantonis A, Agriantonis G, Arnold M, Dave J, Mestre J, Shafaee Z, Arora S, Ghanta H, Whittington J. Bile Acids in Pancreatic Carcinogenesis. Metabolites 2024; 14:348. [PMID: 39057671 PMCID: PMC11278541 DOI: 10.3390/metabo14070348] [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: 05/08/2024] [Revised: 06/10/2024] [Accepted: 06/19/2024] [Indexed: 07/28/2024] Open
Abstract
Pancreatic cancer (PC) is a dangerous digestive tract tumor that is becoming increasingly common and fatal. The most common form of PC is pancreatic ductal adenocarcinoma (PDAC). Bile acids (BAs) are closely linked to the growth and progression of PC. They can change the intestinal flora, increasing intestinal permeability and allowing gut microbes to enter the bloodstream, leading to chronic inflammation. High dietary lipids can increase BA secretion into the duodenum and fecal BA levels. BAs can cause genetic mutations, mitochondrial dysfunction, abnormal activation of intracellular trypsin, cytoskeletal damage, activation of NF-κB, acute pancreatitis, cell injury, and cell necrosis. They can act on different types of pancreatic cells and receptors, altering Ca2+ and iron levels, and related signals. Elevated levels of Ca2+ and iron are associated with cell necrosis and ferroptosis. Bile reflux into the pancreatic ducts can speed up the kinetics of epithelial cells, promoting the development of pancreatic intraductal papillary carcinoma. BAs can cause the enormous secretion of Glucagon-like peptide-1 (GLP-1), leading to the proliferation of pancreatic β-cells. Using Glucagon-like peptide-1 receptor agonist (GLP-1RA) increases the risk of pancreatitis and PC. Therefore, our objective was to explore various studies and thoroughly examine the role of BAs in PC.
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Affiliation(s)
- Bharti Sharma
- Department of Surgery, NYC Health + Hospitals/Elmhurst, New York, NY 11373, USA; (K.T.); (C.N.); (S.E.); (N.D.B.); (Z.K.); (G.A.); (J.D.); (J.M.); (Z.S.); (S.A.); (H.G.); (J.W.)
- Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; (A.A.); (M.A.)
| | - Kate Twelker
- Department of Surgery, NYC Health + Hospitals/Elmhurst, New York, NY 11373, USA; (K.T.); (C.N.); (S.E.); (N.D.B.); (Z.K.); (G.A.); (J.D.); (J.M.); (Z.S.); (S.A.); (H.G.); (J.W.)
- Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; (A.A.); (M.A.)
| | - Cecilia Nguyen
- Department of Surgery, NYC Health + Hospitals/Elmhurst, New York, NY 11373, USA; (K.T.); (C.N.); (S.E.); (N.D.B.); (Z.K.); (G.A.); (J.D.); (J.M.); (Z.S.); (S.A.); (H.G.); (J.W.)
- Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; (A.A.); (M.A.)
| | - Scott Ellis
- Department of Surgery, NYC Health + Hospitals/Elmhurst, New York, NY 11373, USA; (K.T.); (C.N.); (S.E.); (N.D.B.); (Z.K.); (G.A.); (J.D.); (J.M.); (Z.S.); (S.A.); (H.G.); (J.W.)
- Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; (A.A.); (M.A.)
| | - Navin D. Bhatia
- Department of Surgery, NYC Health + Hospitals/Elmhurst, New York, NY 11373, USA; (K.T.); (C.N.); (S.E.); (N.D.B.); (Z.K.); (G.A.); (J.D.); (J.M.); (Z.S.); (S.A.); (H.G.); (J.W.)
- Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; (A.A.); (M.A.)
| | - Zachary Kuschner
- Department of Surgery, NYC Health + Hospitals/Elmhurst, New York, NY 11373, USA; (K.T.); (C.N.); (S.E.); (N.D.B.); (Z.K.); (G.A.); (J.D.); (J.M.); (Z.S.); (S.A.); (H.G.); (J.W.)
- Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; (A.A.); (M.A.)
| | - Andrew Agriantonis
- Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; (A.A.); (M.A.)
| | - George Agriantonis
- Department of Surgery, NYC Health + Hospitals/Elmhurst, New York, NY 11373, USA; (K.T.); (C.N.); (S.E.); (N.D.B.); (Z.K.); (G.A.); (J.D.); (J.M.); (Z.S.); (S.A.); (H.G.); (J.W.)
- Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; (A.A.); (M.A.)
| | - Monique Arnold
- Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; (A.A.); (M.A.)
| | - Jasmine Dave
- Department of Surgery, NYC Health + Hospitals/Elmhurst, New York, NY 11373, USA; (K.T.); (C.N.); (S.E.); (N.D.B.); (Z.K.); (G.A.); (J.D.); (J.M.); (Z.S.); (S.A.); (H.G.); (J.W.)
- Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; (A.A.); (M.A.)
| | - Juan Mestre
- Department of Surgery, NYC Health + Hospitals/Elmhurst, New York, NY 11373, USA; (K.T.); (C.N.); (S.E.); (N.D.B.); (Z.K.); (G.A.); (J.D.); (J.M.); (Z.S.); (S.A.); (H.G.); (J.W.)
- Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; (A.A.); (M.A.)
| | - Zahra Shafaee
- Department of Surgery, NYC Health + Hospitals/Elmhurst, New York, NY 11373, USA; (K.T.); (C.N.); (S.E.); (N.D.B.); (Z.K.); (G.A.); (J.D.); (J.M.); (Z.S.); (S.A.); (H.G.); (J.W.)
- Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; (A.A.); (M.A.)
| | - Shalini Arora
- Department of Surgery, NYC Health + Hospitals/Elmhurst, New York, NY 11373, USA; (K.T.); (C.N.); (S.E.); (N.D.B.); (Z.K.); (G.A.); (J.D.); (J.M.); (Z.S.); (S.A.); (H.G.); (J.W.)
- Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; (A.A.); (M.A.)
| | - Hima Ghanta
- Department of Surgery, NYC Health + Hospitals/Elmhurst, New York, NY 11373, USA; (K.T.); (C.N.); (S.E.); (N.D.B.); (Z.K.); (G.A.); (J.D.); (J.M.); (Z.S.); (S.A.); (H.G.); (J.W.)
- Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; (A.A.); (M.A.)
| | - Jennifer Whittington
- Department of Surgery, NYC Health + Hospitals/Elmhurst, New York, NY 11373, USA; (K.T.); (C.N.); (S.E.); (N.D.B.); (Z.K.); (G.A.); (J.D.); (J.M.); (Z.S.); (S.A.); (H.G.); (J.W.)
- Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; (A.A.); (M.A.)
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25
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Zhang J, Zhang X, Liu H, Wang P, Li L, Bionaz M, Lin P, Yao J. Altered bile acid and correlations with gut microbiome in transition dairy cows with different glucose and lipid metabolism status. J Dairy Sci 2024:S0022-0302(24)00959-7. [PMID: 38908707 DOI: 10.3168/jds.2024-24658] [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: 01/09/2024] [Accepted: 05/22/2024] [Indexed: 06/24/2024]
Abstract
The transition from pregnancy to lactation is critical in dairy cows. Among others, dairy cows experience a metabolic stress due to a large change in glucose and lipid metabolism. Recent studies revealed that bile acids (BA), besides being involved in both the emulsification and solubilization of fats during intestinal absorption, can also affect the metabolism of glucose and lipids, both directly or indirectly by affecting the gut microbiota. Thus, we used untargeted and targeted metabolomics and 16S rRNA sequencing approaches to investigate the concentration of plasma metabolites and BA, the composition of the rectum microbial community, and assess their interaction in transition dairy cows. In Experiment 1, we investigated BA and other blood parameters and gut microbiota in dairy cows without clinical diseases during the transition period, which can be seen as well adapted to the challenge of changed glucose and lipid metabolism. As expected, we detected an increased plasma concentration of β-hydroxybutyrate (BHBA) and nonesterified fatty acids (NEFA) but decreased concentration of glucose, cholesterol, and triglycerides (TG). Untargeted metabolomic analysis of the plasma revealed primary BA biosynthesis was one of the affected pathways, and was consistent with the increased concentration of BA in the plasma. A correlation approach revealed a complex association between BA and microbiota with the host plasma concentration of glucose and lipid metabolites. Among BA, chenodeoxycholic acid derivates such as glycolithocholic acid, taurolithocholic acid, lithocholic acid, taurochenodeoxycholic acid, and taurodeoxycholic acid were the main hub nodes connecting microbe and blood metabolites (such as glucose, TG, and NEFA). In Experiment 2, we investigated early postpartum dairy cows with or without hyperketonemia (HPK). As expected, HPK cows had increased concentration of NEFA and decreased concentrations of glucose and triglycerides. The untargeted metabolomic analysis of the plasma revealed that primary BA biosynthesis was also one of the affected pathways. Even though the BA concentration was similar among the 2 groups, the profiles of taurine conjugated BA changed significantly. A correlation analysis also revealed an association between BA and microbiota with the concentration in plasma of glucose and lipid metabolites (such as BHBA). Among BA, cholic acid and its derivates such as taurocholic acid, tauro α-muricholic acid, and taurodeoxycholic acid were the main hub nodes connecting microbe and blood metabolites. Our results indicated an association between BA, intestinal microbe, and glucose and lipid metabolism in transition dairy cows. These findings provide new insight into the adaptation mechanisms of dairy cows during the transition period.
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Affiliation(s)
- Jun Zhang
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Xia Zhang
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Huifeng Liu
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Peiyue Wang
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Lei Li
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Massimo Bionaz
- Department of Animal and Rangeland Sciences, Oregon State University, Corvallis 97331
| | - Pengfei Lin
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, Shaanxi, China.
| | - Junhu Yao
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, Shaanxi, China.
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26
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Summers S, Quimby J. Insights into the gut-kidney axis and implications for chronic kidney disease management in cats and dogs. Vet J 2024; 306:106181. [PMID: 38897377 DOI: 10.1016/j.tvjl.2024.106181] [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: 03/22/2024] [Revised: 06/14/2024] [Accepted: 06/14/2024] [Indexed: 06/21/2024]
Abstract
Chronic kidney disease (CKD) in cats and dogs presents significant clinical challenges, with emerging research highlighting the pivotal role of the gut-kidney axis in its pathogenesis and management. Gut dysbiosis, characterized by alterations in the gut microbiome composition and function, contributes to microbial dysmetabolism of key nutrients causing uremic toxin accumulation and disruptions in amino acid, bile acid and fatty acid profiles. These disturbances in turn exacerbate renal dysfunction and systemic inflammation. Recent research in veterinary medicine, particularly in cats, supports the gut microbiome and microbial-derived metabolites as novel therapeutic targets. Potential therapeutic strategies targeting the gut microbiome and microbial dysmetabolism, including dietary management, probiotics, adsorbents, and addressing constipation, offer promising avenues for intervention to restore metabolic balance and preserve renal function. This review highlights the microbial influence on renal health and focuses on potential therapeutic strategies available to veterinarians to optimize the management of CKD in cats and dogs.
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Affiliation(s)
- Stacie Summers
- Department of Clinical Sciences, Carlson College of Veterinary Medicine, Oregon State University Oregon, Magruder Hall, 700 SW 30th St, Corvallis 97331, USA.
| | - Jessica Quimby
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, The Ohio State University, 601 Vernon Tharp Dr., Columbus, OH, USA
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27
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Mu YF, Gao ZX, Mao ZH, Pan SK, Liu DW, Liu ZS, Wu P. Perspectives on the involvement of the gut microbiota in salt-sensitive hypertension. Hypertens Res 2024:10.1038/s41440-024-01747-y. [PMID: 38877311 DOI: 10.1038/s41440-024-01747-y] [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: 11/13/2023] [Revised: 03/13/2024] [Accepted: 05/28/2024] [Indexed: 06/16/2024]
Abstract
Salt-sensitivity hypertension (SSH) is an independent predictor of cardiovascular event-related death. Despite the extensiveness of research on hypertension, which covers areas such as the sympathetic nervous system, the renin-angiotensin system, the vascular system, and the immune system, its pathogenesis remains elusive, with sub-optimal blood pressure control in patients. The gut microbiota is an important component of nutritional support and constitutes a barrier in the host. Long-term high salt intake can lead to gut microbiota dysbiosis and cause significant changes in the expression of gut microbiota-related metabolites. Of these metabolites, short chain fatty acids (SCFAs), trimethylamine oxide, amino acids, bile acids, and lipopolysaccharide are essential mediators of microbe-host crosstalk. These metabolites may contribute to the incidence and development of SSH via inflammatory, immune, vascular, and nervous pathways, among others. In addition, recent studies, including those on the histone deacetylase inhibitory mechanism of SCFAs and the blood pressure-decreasing effects of H2S via vascular activation, suggest that several proteins and factors in the classical pathway elicit their effects through multiple non-classical pathways. This review summarizes changes in the gut microbiota and its related metabolites in high-salt environments, as well as corresponding treatment methods for SSH, such as diet management, probiotic and prebiotic use, antibiotic use, and fecal transplantation, to provide new insights and perspectives for understanding SSH pathogenesis and the development of strategies for its treatment.
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Affiliation(s)
- Ya-Fan Mu
- Traditional Chinese Medicine Integrated Department of Nephrology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Institute of Nephrology, Zhengzhou University, Zhengzhou, China
- Henan Province Research Center for Kidney Disease, Zhengzhou, China
- Key Laboratory of Precision Diagnosis and Treatment for Chronic Kidney Disease in Henan Province, Zhengzhou, China
| | - Zhong-Xiuzi Gao
- Traditional Chinese Medicine Integrated Department of Nephrology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Institute of Nephrology, Zhengzhou University, Zhengzhou, China
- Henan Province Research Center for Kidney Disease, Zhengzhou, China
- Key Laboratory of Precision Diagnosis and Treatment for Chronic Kidney Disease in Henan Province, Zhengzhou, China
| | - Zi-Hui Mao
- Traditional Chinese Medicine Integrated Department of Nephrology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Institute of Nephrology, Zhengzhou University, Zhengzhou, China
- Henan Province Research Center for Kidney Disease, Zhengzhou, China
- Key Laboratory of Precision Diagnosis and Treatment for Chronic Kidney Disease in Henan Province, Zhengzhou, China
| | - Shao-Kang Pan
- Traditional Chinese Medicine Integrated Department of Nephrology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Institute of Nephrology, Zhengzhou University, Zhengzhou, China
- Henan Province Research Center for Kidney Disease, Zhengzhou, China
- Key Laboratory of Precision Diagnosis and Treatment for Chronic Kidney Disease in Henan Province, Zhengzhou, China
| | - Dong-Wei Liu
- Traditional Chinese Medicine Integrated Department of Nephrology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Institute of Nephrology, Zhengzhou University, Zhengzhou, China
- Henan Province Research Center for Kidney Disease, Zhengzhou, China
- Key Laboratory of Precision Diagnosis and Treatment for Chronic Kidney Disease in Henan Province, Zhengzhou, China
| | - Zhang-Suo Liu
- Traditional Chinese Medicine Integrated Department of Nephrology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
- Institute of Nephrology, Zhengzhou University, Zhengzhou, China.
- Henan Province Research Center for Kidney Disease, Zhengzhou, China.
- Key Laboratory of Precision Diagnosis and Treatment for Chronic Kidney Disease in Henan Province, Zhengzhou, China.
| | - Peng Wu
- Traditional Chinese Medicine Integrated Department of Nephrology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
- Institute of Nephrology, Zhengzhou University, Zhengzhou, China.
- Henan Province Research Center for Kidney Disease, Zhengzhou, China.
- Key Laboratory of Precision Diagnosis and Treatment for Chronic Kidney Disease in Henan Province, Zhengzhou, China.
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28
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Yang S, Qiao J, Zhang M, Kwok LY, Matijašić BB, Zhang H, Zhang W. Prevention and treatment of antibiotics-associated adverse effects through the use of probiotics: A review. J Adv Res 2024:S2090-1232(24)00230-3. [PMID: 38844120 DOI: 10.1016/j.jare.2024.06.006] [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: 01/22/2024] [Revised: 05/18/2024] [Accepted: 06/03/2024] [Indexed: 06/29/2024] Open
Abstract
BACKGROUND The human gut hosts a diverse microbial community, essential for maintaining overall health. However, antibiotics, commonly prescribed for infections, can disrupt this delicate balance, leading to antibiotic-associated diarrhea, inflammatory bowel disease, obesity, and even neurological disorders. Recognizing this, probiotics have emerged as a promising strategy to counteract these adverse effects. AIM OF REVIEW This review aims to offer a comprehensive overview of the latest evidence concerning the utilization of probiotics in managing antibiotic-associated side effects. KEY SCIENTIFIC CONCEPTS OF REVIEW Probiotics play a crucial role in preserving gut homeostasis, regulating intestinal function and metabolism, and modulating the host immune system. These mechanisms serve to effectively alleviate antibiotic-associated adverse effects and enhance overall well-being.
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Affiliation(s)
- Shuwei Yang
- Key Laboratory of Dairy Biotechnology and Engineering, Ministry of Education, Key Laboratory of Dairy Products Processing, Ministry of Agriculture and Rural Affairs, Inner Mongolia Agricultural University, Huhhot 010018, China
| | - Jiaqi Qiao
- Key Laboratory of Dairy Biotechnology and Engineering, Ministry of Education, Key Laboratory of Dairy Products Processing, Ministry of Agriculture and Rural Affairs, Inner Mongolia Agricultural University, Huhhot 010018, China
| | - Meng Zhang
- Key Laboratory of Dairy Biotechnology and Engineering, Ministry of Education, Key Laboratory of Dairy Products Processing, Ministry of Agriculture and Rural Affairs, Inner Mongolia Agricultural University, Huhhot 010018, China
| | - Lai-Yu Kwok
- Key Laboratory of Dairy Biotechnology and Engineering, Ministry of Education, Key Laboratory of Dairy Products Processing, Ministry of Agriculture and Rural Affairs, Inner Mongolia Agricultural University, Huhhot 010018, China
| | | | - Heping Zhang
- Key Laboratory of Dairy Biotechnology and Engineering, Ministry of Education, Key Laboratory of Dairy Products Processing, Ministry of Agriculture and Rural Affairs, Inner Mongolia Agricultural University, Huhhot 010018, China
| | - Wenyi Zhang
- Key Laboratory of Dairy Biotechnology and Engineering, Ministry of Education, Key Laboratory of Dairy Products Processing, Ministry of Agriculture and Rural Affairs, Inner Mongolia Agricultural University, Huhhot 010018, China.
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29
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Ding J, Li J, Zhang C, Tan L, Zhao C, Gao L. High-Throughput Combined Analysis of Saliva Microbiota and Metabolomic Profile in Chinese Periodontitis Patients: A Pilot Study. Inflammation 2024; 47:874-890. [PMID: 38148454 DOI: 10.1007/s10753-023-01948-6] [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: 09/03/2023] [Revised: 11/28/2023] [Accepted: 12/11/2023] [Indexed: 12/28/2023]
Abstract
The onset and progression of periodontitis involves complicated interactions between the dysbiotic oral microbiota and disrupted host immune-inflammatory response, which can be mirrored by the changes in salivary metabolites profile. This pilot study sought to examine the saliva microbiome and metabolome in the Chinese population by the combined approach of 16s rRNA sequencing and high-throughput targeted metabolomics to discover potential cues for host-microbe metabolic interactions. Unstimulated whole saliva samples were collected from eighteen Stage III and IV periodontitis patients and thirteen healthy subjects. Full-mouth periodontal parameters were recorded. The taxonomic composition of microbiota was obtained by 16s rRNA sequencing, and the metabolites were identified and measured by ultra-high performance liquid chromatography and mass spectrometry-based metabolomic analysis. The oral microbiota composition displayed marked changes where the abundance of 93 microbial taxa differed significantly between the periodontitis and healthy group. Targeted metabolomics identified 103 differential metabolites between the patients and healthy individuals. Functional enrichment analysis demonstrated the upregulation of protein digestion and absorption, histidine metabolism, and nicotinate and nicotinamide metabolism pathways in the dysbiotic microbiota, while the ferroptosis, tryptophan metabolism, glutathione metabolism, and carbon metabolism pathways were upregulated in the patients. Correlation analysis confirmed positive relationships between the clinical parameters, pathogen abundances, and disease-related metabolite levels. The integral analysis of the saliva microbiome and metabolome yielded an accurate presentation of the dysbiotic oral microbiome and functional alterations in host-microbe metabolism. The microbial and metabolic profiling of the saliva could be a potential tool in the diagnosis, prognosis evaluation, and pathogenesis study of periodontitis.
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Affiliation(s)
- Jing Ding
- Hospital of Stomatology, Sun Yat-Sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
- Guanghua School of Stomatology, Sun Yat-Sen University, Guangzhou, China
| | - Jinyu Li
- Hospital of Stomatology, Sun Yat-Sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
- Guanghua School of Stomatology, Sun Yat-Sen University, Guangzhou, China
| | - Chi Zhang
- Hospital of Stomatology, Sun Yat-Sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
- Guanghua School of Stomatology, Sun Yat-Sen University, Guangzhou, China
| | - Lingping Tan
- Hospital of Stomatology, Sun Yat-Sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
- Guanghua School of Stomatology, Sun Yat-Sen University, Guangzhou, China
| | - Chuanjiang Zhao
- Hospital of Stomatology, Sun Yat-Sen University, Guangzhou, China.
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China.
- Guanghua School of Stomatology, Sun Yat-Sen University, Guangzhou, China.
| | - Li Gao
- Hospital of Stomatology, Sun Yat-Sen University, Guangzhou, China.
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China.
- Guanghua School of Stomatology, Sun Yat-Sen University, Guangzhou, China.
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30
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Wu R, Jiang Y, Yan J, Shen N, Liu S, Yin H, Zhu S, Qiao J. Beneficial changes in gut microbiota after phototherapy for neonatal hyperbilirubinemia. Biomed Rep 2024; 20:101. [PMID: 38765854 PMCID: PMC11099589 DOI: 10.3892/br.2024.1789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Accepted: 04/22/2024] [Indexed: 05/22/2024] Open
Abstract
Phototherapy is the most commonly used treatment for neonatal hyperbilirubinemia (NH). Gut microbiota is involved in bilirubin metabolism; however, it is uncertain whether this is affected by phototherapy. The present study included 43 newborns with hyperbilirubinemia and collected fecal samples for high-throughput sequencing before and after phototherapy. Selection α diversity analysis was used to determine the differences in diversity and abundance between the two groups, whereas similarity was determined using β diversity analysis. Linear discriminant analysis effect size analysis was used to screen for markedly different bacteria. The structure of the gut microbiota in newborns with hyperbilirubinemia changed after phototherapy, with a significant decrease in abundance and diversity. The changes in the key bacterial species were characterized by an increase in the abundance of Streptococcus salivarius and a decrease in the abundance of Escherichia, Klebsiella pneumoniae, Rothia mucilaginosa and Streptococcus oralis. These changes mainly manifested as an increase in beneficial bacteria and a decrease in opportunistic bacteria, which may not be related to the side effects of phototherapy. These results can provide theoretical assistance for microbiological research on the later stages of NH.
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Affiliation(s)
- Rang Wu
- Department of Pediatrics, Suqian Hospital Affiliated to Xuzhou Medical University, Suqian, Jiangsu 223800, P.R. China
| | - Yazhou Jiang
- Department of Pediatrics, Suqian Hospital Affiliated to Xuzhou Medical University, Suqian, Jiangsu 223800, P.R. China
| | - Jingjing Yan
- Department of Pediatrics, Suqian Hospital Affiliated to Xuzhou Medical University, Suqian, Jiangsu 223800, P.R. China
| | - Nan Shen
- Department of Pediatrics, Suqian Hospital Affiliated to Xuzhou Medical University, Suqian, Jiangsu 223800, P.R. China
| | - Song Liu
- Department of Pediatrics, Suqian Hospital Affiliated to Xuzhou Medical University, Suqian, Jiangsu 223800, P.R. China
| | - Hanjun Yin
- Department of Pediatrics, Suqian Hospital Affiliated to Xuzhou Medical University, Suqian, Jiangsu 223800, P.R. China
| | - Suyue Zhu
- Department of Pediatrics, Suqian Hospital Affiliated to Xuzhou Medical University, Suqian, Jiangsu 223800, P.R. China
| | - Jibing Qiao
- Department of Pediatrics, Suqian Hospital Affiliated to Xuzhou Medical University, Suqian, Jiangsu 223800, P.R. China
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31
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Liu T, Zhang C, Zhang H, Jin J, Li X, Liang S, Xue Y, Yuan F, Zhou Y, Bian X, Wei H. A new evaluation system for drug-microbiota interactions. IMETA 2024; 3:e199. [PMID: 38898986 PMCID: PMC11183188 DOI: 10.1002/imt2.199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Revised: 04/20/2024] [Accepted: 04/22/2024] [Indexed: 06/21/2024]
Abstract
The drug response phenotype is determined by a combination of genetic and environmental factors. The high clinical conversion failure rate of gene-targeted drugs might be attributed to the lack of emphasis on environmental factors and the inherent individual variability in drug response (IVDR). Current evidence suggests that environmental variables, rather than the disease itself, are the primary determinants of both gut microbiota composition and drug metabolism. Additionally, individual differences in gut microbiota create a unique metabolic environment that influences the in vivo processes underlying drug absorption, distribution, metabolism, and excretion (ADME). Here, we discuss how gut microbiota, shaped by both genetic and environmental factors, affects the host's ADME microenvironment within a new evaluation system for drug-microbiota interactions. Furthermore, we propose a new top-down research approach to investigate the intricate nature of drug-microbiota interactions in vivo. This approach utilizes germ-free animal models, providing foundation for the development of a new evaluation system for drug-microbiota interactions.
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Affiliation(s)
- Tian‐Hao Liu
- Yu‐Yue Pathology Scientific Research CenterChongqingChina
- Department of PathologyArmy Medical UniversityChongqingChina
- Department of GastroenterologyAffiliated Hospital of Jiangnan UniversityWuxiJiangsuChina
| | - Chen‐Yang Zhang
- Department of GastroenterologyAffiliated Hospital of Jiangnan UniversityWuxiJiangsuChina
- Institute of Integrated traditional Chinese and Western MedicineAffiliated Hospital of Jiangnan UniversityWuxiChina
| | - Hang Zhang
- College of Animal Science and Technology, College of Animal MedicineHuazhong Agricultural UniversityWuhanHubeiChina
| | - Jing Jin
- Department of PathologyArmy Medical UniversityChongqingChina
| | - Xue Li
- Wuxi Hospital Affiliated to Nanjing University of Chinese MedicineWuxiJiangsuChina
| | - Shi‐Qiang Liang
- College of Animal Science and Technology, College of Animal MedicineHuazhong Agricultural UniversityWuhanHubeiChina
| | - Yu‐Zheng Xue
- Department of GastroenterologyAffiliated Hospital of Jiangnan UniversityWuxiJiangsuChina
| | - Feng‐Lai Yuan
- Institute of Integrated traditional Chinese and Western MedicineAffiliated Hospital of Jiangnan UniversityWuxiChina
| | - Ya‐Hong Zhou
- Wuxi Hospital Affiliated to Nanjing University of Chinese MedicineWuxiJiangsuChina
| | - Xiu‐Wu Bian
- Yu‐Yue Pathology Scientific Research CenterChongqingChina
- Department of PathologyArmy Medical UniversityChongqingChina
| | - Hong Wei
- Yu‐Yue Pathology Scientific Research CenterChongqingChina
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32
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Taylor R, Yang Z, Henry Z, Capece G, Meadows V, Otersen K, Basaly V, Bhattacharya A, Mera S, Zhou P, Joseph L, Yang I, Brinker A, Buckley B, Kong B, Guo GL. Characterization of individual bile acids in vivo utilizing a novel low bile acid mouse model. Toxicol Sci 2024; 199:316-331. [PMID: 38526215 DOI: 10.1093/toxsci/kfae029] [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] [Indexed: 03/26/2024] Open
Abstract
Bile acids (BAs) are signaling molecules synthesized in the liver initially by CYP7A1 and CYP27A1 in the classical and alternative pathways, respectively. BAs are essential for cholesterol clearance, intestinal absorption of lipids, and endogenous modulators of farnesoid x receptor (FXR). FXR is critical in maintaining BA homeostasis and gut-liver crosstalk. Complex reactions in vivo and the lack of suitable animal models impede our understanding of the functions of individual BAs. In this study, we characterized the in vivo effects of three-day feeding of cholic acid (CA), deoxycholic acid (DCA), or ursodeoxycholic acid (UDCA) at physiological/non-hepatotoxic concentrations in a novel low-BA mouse model (Cyp7a1-/-/Cyp27a1-/-, DKO). Liver injury, BA levels and composition and BA signaling by the FXR-fibroblast growth factor 15 (FGF15) axis were determined. Overall, higher basal inflammation and altered lipid metabolism in DKO mice might be associated with low BAs. CA, DCA, and UDCA feeding activated FXR signals with tissue specificity. Dietary CA and DCA similarly altered tissue BA profiles to be less hydrophobic, while UDCA promoted a more hydrophobic tissue BA pool with the profiles shifted toward non-12α-OH BAs and secondary BAs. However, UDCA did not offer any overt protective effects as expected. These findings allow us to determine the precise effects of individual BAs in vivo on BA-FXR signaling and overall BA homeostasis in liver physiology and pathologies.
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Affiliation(s)
- Rulaiha Taylor
- Department of Pharmacology and Toxicology, Ernest Mario School of Pharmacy, Rutgers University, Piscataway, New Jersey 08854, USA
- Environmental and Occupational Health Science Institute, Rutgers University, Piscataway, New Jersey 08854, USA
- Rutgers Center for Lipid Research, Rutgers University, New Brunswick, New Jersey 08901, USA
| | - Zhenning Yang
- Department of Pharmacology and Toxicology, Ernest Mario School of Pharmacy, Rutgers University, Piscataway, New Jersey 08854, USA
- Environmental and Occupational Health Science Institute, Rutgers University, Piscataway, New Jersey 08854, USA
- Rutgers Center for Lipid Research, Rutgers University, New Brunswick, New Jersey 08901, USA
| | - Zakiyah Henry
- Department of Pharmacology and Toxicology, Ernest Mario School of Pharmacy, Rutgers University, Piscataway, New Jersey 08854, USA
- Environmental and Occupational Health Science Institute, Rutgers University, Piscataway, New Jersey 08854, USA
- Rutgers Center for Lipid Research, Rutgers University, New Brunswick, New Jersey 08901, USA
| | - Gina Capece
- Department of Pharmacology and Toxicology, Ernest Mario School of Pharmacy, Rutgers University, Piscataway, New Jersey 08854, USA
- Environmental and Occupational Health Science Institute, Rutgers University, Piscataway, New Jersey 08854, USA
- Rutgers Center for Lipid Research, Rutgers University, New Brunswick, New Jersey 08901, USA
| | - Vik Meadows
- Department of Pharmacology and Toxicology, Ernest Mario School of Pharmacy, Rutgers University, Piscataway, New Jersey 08854, USA
- Environmental and Occupational Health Science Institute, Rutgers University, Piscataway, New Jersey 08854, USA
- Rutgers Center for Lipid Research, Rutgers University, New Brunswick, New Jersey 08901, USA
| | - Katherine Otersen
- Department of Pharmacology and Toxicology, Ernest Mario School of Pharmacy, Rutgers University, Piscataway, New Jersey 08854, USA
- Environmental and Occupational Health Science Institute, Rutgers University, Piscataway, New Jersey 08854, USA
- Rutgers Center for Lipid Research, Rutgers University, New Brunswick, New Jersey 08901, USA
| | - Veronia Basaly
- Department of Pharmacology and Toxicology, Ernest Mario School of Pharmacy, Rutgers University, Piscataway, New Jersey 08854, USA
- Environmental and Occupational Health Science Institute, Rutgers University, Piscataway, New Jersey 08854, USA
- Rutgers Center for Lipid Research, Rutgers University, New Brunswick, New Jersey 08901, USA
| | - Anisha Bhattacharya
- Department of Pharmacology and Toxicology, Ernest Mario School of Pharmacy, Rutgers University, Piscataway, New Jersey 08854, USA
| | - Stephanie Mera
- Department of Pharmacology and Toxicology, Ernest Mario School of Pharmacy, Rutgers University, Piscataway, New Jersey 08854, USA
| | - Peihong Zhou
- Department of Pharmacology and Toxicology, Ernest Mario School of Pharmacy, Rutgers University, Piscataway, New Jersey 08854, USA
- Environmental and Occupational Health Science Institute, Rutgers University, Piscataway, New Jersey 08854, USA
| | - Laurie Joseph
- Department of Pharmacology and Toxicology, Ernest Mario School of Pharmacy, Rutgers University, Piscataway, New Jersey 08854, USA
- Rutgers Center for Lipid Research, Rutgers University, New Brunswick, New Jersey 08901, USA
| | - Ill Yang
- Department of Pharmacology and Toxicology, Ernest Mario School of Pharmacy, Rutgers University, Piscataway, New Jersey 08854, USA
| | - Anita Brinker
- Environmental and Occupational Health Science Institute, Rutgers University, Piscataway, New Jersey 08854, USA
| | - Brian Buckley
- Department of Pharmacology and Toxicology, Ernest Mario School of Pharmacy, Rutgers University, Piscataway, New Jersey 08854, USA
- Environmental and Occupational Health Science Institute, Rutgers University, Piscataway, New Jersey 08854, USA
| | - Bo Kong
- Department of Pharmacology and Toxicology, Ernest Mario School of Pharmacy, Rutgers University, Piscataway, New Jersey 08854, USA
- Environmental and Occupational Health Science Institute, Rutgers University, Piscataway, New Jersey 08854, USA
- Rutgers Center for Lipid Research, Rutgers University, New Brunswick, New Jersey 08901, USA
| | - Grace L Guo
- Department of Pharmacology and Toxicology, Ernest Mario School of Pharmacy, Rutgers University, Piscataway, New Jersey 08854, USA
- Environmental and Occupational Health Science Institute, Rutgers University, Piscataway, New Jersey 08854, USA
- Rutgers Center for Lipid Research, Rutgers University, New Brunswick, New Jersey 08901, USA
- Veterans Administration Medical Center, VA New Jersey Health Care System, East Orange, New Jersey 07017, USA
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Lopez VA, Lim JL, Seguin RP, Dempsey JL, Kunzman G, Cui JY, Xu L. Oral Exposure to Benzalkonium Chlorides in Male and Female Mice Reveals Sex-Dependent Alteration of the Gut Microbiome and Bile Acid Profile. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.05.13.593991. [PMID: 38798482 PMCID: PMC11118417 DOI: 10.1101/2024.05.13.593991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2024]
Abstract
Benzalkonium chlorides (BACs) are commonly used disinfectants in a variety of consumer and food-processing settings, and the COVID-19 pandemic has led to increased usage of BACs. The prevalence of BACs raises the concern that BAC exposure could disrupt the gastrointestinal microbiota, thus interfering with the beneficial functions of the microbes. We hypothesize that BAC exposure can alter the gut microbiome diversity and composition, which will disrupt bile acid homeostasis along the gut-liver axis. In this study, male and female mice were exposed orally to d 7 -C12- and d 7 -C16-BACs at 120 µg/g/day for one week. UPLC-MS/MS analysis of liver, blood, and fecal samples of BAC-treated mice demonstrated the absorption and metabolism of BACs. Both parent BACs and their metabolites were detected in all exposed samples. Additionally, 16S rRNA sequencing was carried out on the bacterial DNA isolated from the cecum intestinal content. For female mice, and to a lesser extent in males, we found that treatment with either d 7 -C12- or d 7 -C16-BAC led to decreased alpha diversity and differential composition of gut bacteria with notably decreased actinobacteria phylum. Lastly, through a targeted bile acid quantitation analysis, we observed decreases in secondary bile acids in BAC-treated mice, which was more pronounced in the female mice. This finding is supported by decreases in bacteria known to metabolize primary bile acids into secondary bile acids, such as the families of Ruminococcaceae and Lachnospiraceae. Together, these data signify the potential impact of BACs on human health through disturbance of the gut microbiome and gut-liver interactions.
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Yao X, Nie W, Chen X, Zhang J, Wei J, Qiu Y, Liu K, Shao D, Liu H, Ma Z, Li Z, Li B. Two Enterococcus faecium Isolates Demonstrated Modulating Effects on the Dysbiosis of Mice Gut Microbiota Induced by Antibiotic Treatment. Int J Mol Sci 2024; 25:5405. [PMID: 38791443 PMCID: PMC11121104 DOI: 10.3390/ijms25105405] [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: 02/29/2024] [Revised: 05/02/2024] [Accepted: 05/08/2024] [Indexed: 05/26/2024] Open
Abstract
Broad-spectrum antibiotics are frequently used to treat bacteria-induced infections, but the overuse of antibiotics may induce the gut microbiota dysbiosis and disrupt gastrointestinal tract function. Probiotics can be applied to restore disturbed gut microbiota and repair abnormal intestinal metabolism. In the present study, two strains of Enterococcus faecium (named DC-K7 and DC-K9) were isolated and characterized from the fecal samples of infant dogs. The genomic features of E. faecium DC-K7 and DC-K9 were analyzed, the carbohydrate-active enzyme (CAZyme)-encoding genes were predicted, and their abilities to produce short-chain fatty acids (SCFAs) were investigated. The bacteriocin-encoding genes in the genome sequences of E. faecium DC-K7 and DC-K9 were analyzed, and the gene cluster of Enterolysin-A, which encoded a 401-amino-acid peptide, was predicted. Moreover, the modulating effects of E. faecium DC-K7 and DC-K9 on the gut microbiota dysbiosis induced by antibiotics were analyzed. The current results demonstrated that oral administrations of E. faecium DC-K7 and DC-K9 could enhance the relative abundances of beneficial microbes and decrease the relative abundances of harmful microbes. Therefore, the isolated E. faecium DC-K7 and DC-K9 were proven to be able to alter the gut microbiota dysbiosis induced by antibiotic treatment.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | - Zongjie Li
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Science, Shanghai 200241, China; (X.Y.); (W.N.); (X.C.); (J.Z.); (J.W.); (Y.Q.); (K.L.); (D.S.); (H.L.); (Z.M.)
| | - Beibei Li
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Science, Shanghai 200241, China; (X.Y.); (W.N.); (X.C.); (J.Z.); (J.W.); (Y.Q.); (K.L.); (D.S.); (H.L.); (Z.M.)
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Lu S, Cheng D, Yao H, Wen Y, Yu Y, Li H, Wang J, Sun B. Cascade Microbial Metabolism of Ferulic Acid In Vitro Fermented by the Human Fecal Inoculum. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:9807-9817. [PMID: 38602350 DOI: 10.1021/acs.jafc.3c09782] [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: 04/12/2024]
Abstract
Ferulic acid (FA), predominantly existing in most cereals, can modulate the gut microbiome, but the influences of its metabolites on the microbial population and FA-transforming microorganisms are still unclear. In this study, FA and its potential phenolic metabolites were fermented in vitro for 24 h with the human fecal inoculum. A comparable short chain fatty acid (SCFA) production trend was observed in the presence and absence of substrates, suggesting limited contribution of FA mechanism to SCFA formation. Dihydroferulic acid, 3-(3,4-dihydroxyphenyl)propionic acid, and 3-(3-hydroxyphenyl)propionic acid were ascertained to be successive metabolites of FA, by tracking the intermediate variation. FA remarkably promoted the absolute abundances of total bacteria, while different metabolites affected bacterial growth of selective genera. Specific genera were identified as quantitatively correlating to the content of FA and its metabolites. Ultimately, FA-mediated gut microbiota modulation involves both the action of metabolizing microbes and the regulation effects of metabolites on bacterial growth.
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Affiliation(s)
- Shiyi Lu
- Key Laboratory of Geriatric Nutrition and Health (Ministry of Education), Beijing Technology and Business University (BTBU), 11 Fucheng Road, Beijing 100048, China
| | - Danyang Cheng
- Key Laboratory of Geriatric Nutrition and Health (Ministry of Education), Beijing Technology and Business University (BTBU), 11 Fucheng Road, Beijing 100048, China
| | - Hong Yao
- Department of Food Science and Engineering, Jinan University, Guangzhou 510632, China
| | - Yangyang Wen
- College of Chemistry and Materials Engineering, Beijing Technology and Business University (BTBU), 11 Fucheng Road, Beijing 100048, China
| | - Yonghui Yu
- Key Laboratory of Geriatric Nutrition and Health (Ministry of Education), Beijing Technology and Business University (BTBU), 11 Fucheng Road, Beijing 100048, China
| | - Hongyan Li
- Key Laboratory of Geriatric Nutrition and Health (Ministry of Education), Beijing Technology and Business University (BTBU), 11 Fucheng Road, Beijing 100048, China
| | - Jing Wang
- Key Laboratory of Geriatric Nutrition and Health (Ministry of Education), Beijing Technology and Business University (BTBU), 11 Fucheng Road, Beijing 100048, China
| | - Baoguo Sun
- Key Laboratory of Geriatric Nutrition and Health (Ministry of Education), Beijing Technology and Business University (BTBU), 11 Fucheng Road, Beijing 100048, China
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He S, Li L, Lei S, Su J, Zhang Y, Zeng H. Effect of lotus seed resistant starch on the bioconversion pathway of taurocholic acid by regulating the intestinal microbiota. Int J Biol Macromol 2024; 266:131174. [PMID: 38552699 DOI: 10.1016/j.ijbiomac.2024.131174] [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: 01/13/2024] [Revised: 02/19/2024] [Accepted: 03/26/2024] [Indexed: 04/02/2024]
Abstract
Taurocholic acid (TCA) is abundant in the rat intestine and has multiple health benefits. In the gut, intestinal microbiota can transform TCA into different bile acid (BA) derivatives, with the composition of microbiota playing a crucial role in the transformation process. This study aims to investigate how lotus seed resistant starch (LRS) can regulate microbiota to influence BA transformation. A fecal fermentation study was conducted in vitro, using either LRS, high-amylose maize starch (HAMS), or glucose (GLU) to analyze microbiota composition, BA content, and metabolic enzyme activities over different fermentation times. Bioinformatics analysis found that LRS increased the relative abundance of Enterococcus, Bacillus, and Lactobacillus, and decreased Escherichia-Shigella, compared with HAMS and GLU. LRS also reduced total BA content and accelerated the conversion of TCA to cholic acid, deoxycholic acid, and other derivatives. These results reveal that LRS and GLU tend to mediate the dehydroxy pathway, whereas HAMS tends to secrete metabolic enzymes in the epimerization pathway. Therefore, the evidence that LRS may regulate TCA bioconversion may benefit human colon health research and provide an important theoretical basis, as well as offer new concepts for the development of functional foods.
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Affiliation(s)
- Shuqi He
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China; Fujian Provincial Key Laboratory of Quality Science and Processing Technology in Special Starch, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Lanxin Li
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China; Fujian Provincial Key Laboratory of Quality Science and Processing Technology in Special Starch, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Suzhen Lei
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China; Fujian Provincial Key Laboratory of Quality Science and Processing Technology in Special Starch, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Jinhan Su
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China; Fujian Provincial Key Laboratory of Quality Science and Processing Technology in Special Starch, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Yi Zhang
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China; Fujian Provincial Key Laboratory of Quality Science and Processing Technology in Special Starch, Fujian Agriculture and Forestry University, Fuzhou 350002, China; China-Ireland International Cooperation Centre for Food Material Science and Structure Design, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
| | - Hongliang Zeng
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China; Fujian Provincial Key Laboratory of Quality Science and Processing Technology in Special Starch, Fujian Agriculture and Forestry University, Fuzhou 350002, China; China-Ireland International Cooperation Centre for Food Material Science and Structure Design, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
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Kawana T, Imoto H, Tanaka N, Tsuchiya T, Yamamura A, Saijo F, Maekawa M, Tamahara T, Shimizu R, Nakagawa K, Ohnuma S, Kamei T, Unno M. The Significance of Bile in the Biliopancreatic Limb on Metabolic Improvement After Duodenal-Jejunal Bypass. Obes Surg 2024; 34:1665-1673. [PMID: 38512643 PMCID: PMC11031486 DOI: 10.1007/s11695-024-07176-7] [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: 10/24/2023] [Revised: 03/13/2024] [Accepted: 03/14/2024] [Indexed: 03/23/2024]
Abstract
INTRODUCTION Duodenal-jejunal bypass (DJB) is an experimental procedure in metabolic surgery that does not have a restrictive component. Changes in bile acid (BA) dynamics and intestinal microbiota are possibly related to metabolic improvement after DJB. Our previous studies involving obese diabetic rats showed the crucial role of the biliopancreatic limb (BPL) in metabolic improvement after DJB caused by BA reabsorption. We established a new DJB procedure to prevent bile from flowing into the BPL and aimed to elucidate the importance of bile in the BPL after DJB. METHODS Otsuka Long-Evans Tokushima Fatty rats with diabetes were divided into three groups: two DJB groups and a sham group (n = 11). Duodenal-jejunal anastomosis was performed proximal to the papilla of Vater in the DJB group (n = 11). However, the DJB-D group (n = 11) underwent a new procedure with duodenal-jejunal anastomosis distal to the papilla of Vater for preventing bile flow into the BPL. RESULTS Glucose metabolism improved and weight gain was suppressed in the DJB group, but not in the DJB-D and sham groups. Serum BA level and conjugated BA concentration were elevated in the DJB group. The gut microbiota was altered only in the DJB group; the abundance of Firmicutes and Bacteroidetes decreased and that of Actinobacteria increased. However, the DJB-D group exhibited no apparent change in the gut microbiota, similar to the sham group. CONCLUSION BAs are essential in the BPL for metabolic improvement after DJB; they can improve the gut microbiota in these processes.
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Affiliation(s)
- Tomomi Kawana
- Department of Surgery, Tohoku University Graduate School of Medicine, 1-1, Seiryo-Machi, Aoba-Ku, Sendai, 980-8574, Japan
| | - Hirofumi Imoto
- Department of Surgery, Tohoku University Graduate School of Medicine, 1-1, Seiryo-Machi, Aoba-Ku, Sendai, 980-8574, Japan.
| | - Naoki Tanaka
- Department of Surgery, Tohoku University Graduate School of Medicine, 1-1, Seiryo-Machi, Aoba-Ku, Sendai, 980-8574, Japan
| | - Takahiro Tsuchiya
- Department of Surgery, Tohoku University Graduate School of Medicine, 1-1, Seiryo-Machi, Aoba-Ku, Sendai, 980-8574, Japan
| | - Akihiro Yamamura
- Department of Surgery, Tohoku University Graduate School of Medicine, 1-1, Seiryo-Machi, Aoba-Ku, Sendai, 980-8574, Japan
| | - Fumito Saijo
- Department of Surgery, Tohoku University Graduate School of Medicine, 1-1, Seiryo-Machi, Aoba-Ku, Sendai, 980-8574, Japan
| | - Masamitsu Maekawa
- Department of Pharmaceutical Sciences, Tohoku University Hospital, Sendai, Japan
| | - Toru Tamahara
- Tohoku University, Tohoku Medical Megabank Organization, Sendai, Japan
| | - Ritsuko Shimizu
- Tohoku University, Tohoku Medical Megabank Organization, Sendai, Japan
| | - Kei Nakagawa
- Department of Surgery, Tohoku University Graduate School of Medicine, 1-1, Seiryo-Machi, Aoba-Ku, Sendai, 980-8574, Japan
| | - Shinobu Ohnuma
- Department of Surgery, Tohoku University Graduate School of Medicine, 1-1, Seiryo-Machi, Aoba-Ku, Sendai, 980-8574, Japan
| | - Takashi Kamei
- Department of Surgery, Tohoku University Graduate School of Medicine, 1-1, Seiryo-Machi, Aoba-Ku, Sendai, 980-8574, Japan
| | - Michiaki Unno
- Department of Surgery, Tohoku University Graduate School of Medicine, 1-1, Seiryo-Machi, Aoba-Ku, Sendai, 980-8574, Japan
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Ahmad A, Mahmood N, Raza MA, Mushtaq Z, Saeed F, Afzaal M, Hussain M, Amjad HW, Al-Awadi HM. Gut microbiota and their derivatives in the progression of colorectal cancer: Mechanisms of action, genome and epigenome contributions. Heliyon 2024; 10:e29495. [PMID: 38655310 PMCID: PMC11035079 DOI: 10.1016/j.heliyon.2024.e29495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 04/08/2024] [Accepted: 04/09/2024] [Indexed: 04/26/2024] Open
Abstract
Gut microbiota interacts with host epithelial cells and regulates many physiological functions such as genetics, epigenetics, metabolism of nutrients, and immune functions. Dietary factors may also be involved in the etiology of colorectal cancer (CRC), especially when an unhealthy diet is consumed with excess calorie intake and bad practices like smoking or consuming a great deal of alcohol. Bacteria including Fusobacterium nucleatum, Enterotoxigenic Bacteroides fragilis (ETBF), and Escherichia coli (E. coli) actively participate in the carcinogenesis of CRC. Gastrointestinal tract with chronic inflammation and immunocompromised patients are at high risk for CRC progression. Further, the gut microbiota is also involved in Geno-toxicity by producing toxins like colibactin and cytolethal distending toxin (CDT) which cause damage to double-stranded DNA. Specific microRNAs can act as either tumor suppressors or oncogenes depending on the cellular environment in which they are expressed. The current review mainly highlights the role of gut microbiota in CRC, the mechanisms of several factors in carcinogenesis, and the role of particular microbes in colorectal neoplasia.
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Affiliation(s)
- Awais Ahmad
- Department of Food Science, Government College University Faisalabad, Faisalabad, Pakistan
| | - Nasir Mahmood
- Department of Zoology, University of Central Punjab Bahawalpur, Bahawalpur, Pakistan
| | - Muhammad Ahtisham Raza
- Department of Food Science, Government College University Faisalabad, Faisalabad, Pakistan
| | - Zarina Mushtaq
- Department of Food Science, Government College University Faisalabad, Faisalabad, Pakistan
| | - Farhan Saeed
- Department of Food Science, Government College University Faisalabad, Faisalabad, Pakistan
| | - Muhammad Afzaal
- Department of Food Science, Government College University Faisalabad, Faisalabad, Pakistan
| | - Muzzamal Hussain
- Department of Food Science, Government College University Faisalabad, Faisalabad, Pakistan
| | - Hafiz Wasiqe Amjad
- International Medical School, Jinggangshan University, Ji'an, Jiangxi, China
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Liu J, Chen Q, Su R. Interplay of human gastrointestinal microbiota metabolites: Short-chain fatty acids and their correlation with Parkinson's disease. Medicine (Baltimore) 2024; 103:e37960. [PMID: 38669388 PMCID: PMC11049718 DOI: 10.1097/md.0000000000037960] [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: 01/28/2024] [Accepted: 03/29/2024] [Indexed: 04/28/2024] Open
Abstract
Short-chain fatty acids (SCFAs) are, the metabolic byproducts of intestinal microbiota that, are generated through anaerobic fermentation of undigested dietary fibers. SCFAs play a pivotal role in numerous physiological functions within the human body, including maintaining intestinal mucosal health, modulating immune functions, and regulating energy metabolism. In recent years, extensive research evidence has indicated that SCFAs are significantly involved in the onset and progression of Parkinson disease (PD). However, the precise mechanisms remain elusive. This review comprehensively summarizes the progress in understanding how SCFAs impact PD pathogenesis and the underlying mechanisms. Primarily, we delve into the synthesis, metabolism, and signal transduction of SCFAs within the human body. Subsequently, an analysis of SCFA levels in patients with PD is presented. Furthermore, we expound upon the mechanisms through which SCFAs induce inflammatory responses, oxidative stress, abnormal aggregation of alpha-synuclein, and the intricacies of the gut-brain axis. Finally, we provide a critical analysis and explore the potential therapeutic role of SCFAs as promising targets for treating PD.
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Affiliation(s)
- Jiaji Liu
- Inner Mongolia Medical University, Department of Laboratory Medicine, Affiliated Hospital of Inner Mongolia Medical University, Hohhot, China
| | - Qi Chen
- The Third Clinical Medical College of Ningxia Medical University, Ningxia, China
| | - Ruijun Su
- Inner Mongolia Medical University, Department of Laboratory Medicine, Affiliated Hospital of Inner Mongolia Medical University, Hohhot, China
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Liu H, Wei M, Tan B, Dong X, Xie S. The Supplementation of Berberine in High-Carbohydrate Diets Improves Glucose Metabolism of Tilapia ( Oreochromis niloticus) via Transcriptome, Bile Acid Synthesis Gene Expression and Intestinal Flora. Animals (Basel) 2024; 14:1239. [PMID: 38672387 PMCID: PMC11047455 DOI: 10.3390/ani14081239] [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: 03/11/2024] [Revised: 04/16/2024] [Accepted: 04/18/2024] [Indexed: 04/28/2024] Open
Abstract
Berberine is an alkaloid used to treat diabetes. This experiment aimed to investigate the effects of berberine supplementation in high-carbohydrate diets on the growth performance, glucose metabolism, bile acid synthesis, liver transcriptome, and intestinal flora of Nile tilapia. The six dietary groups were the C group with 29% carbohydrate, the H group with 44% carbohydrate, and the HB1-HB4 groups supplemented with 25, 50, 75, and 100 mg/kg of berberine in group H. The results of the 8-week trial showed that compared to group C, the abundance of Bacteroidetes was increased in group HB2 (p < 0.05). The cholesterol-7α-hydroxylase (CYP7A1) and sterol-27-hydroxylase (CYP27A1) activities were decreased and the expression of FXR was increased in group HB4 (p < 0.05). The pyruvate carboxylase (PC) and phosphoenolpyruvate carboxykinase (PEPCK) activities was decreased in group HB4 (p < 0.05). The liver transcriptome suggests that berberine affects carbohydrate metabolic pathways and primary bile acid synthesis pathways. In summary, berberine affects the glucose metabolism in tilapia by altering the intestinal flora structure, enriching differentially expressed genes (DEGs) in the bile acid pathway to stimulate bile acid production so that it promotes glycolysis and inhibits gluconeogenesis. Therefore, 100 mg/kg of berberine supplementation in high-carbohydrate diets is beneficial to tilapia.
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Affiliation(s)
- Hongyu Liu
- Laboratory of Aquatic Animal Nutrition and Feed, College of Fisheries, Guangdong Ocean University, Zhanjiang 524088, China; (H.L.); (M.W.); (X.D.); (S.X.)
- Aquatic Animals Precision Nutrition and High-Efficiency Feed Engineering Research Center of Guangdong Province, Zhanjiang 524088, China
- Key Laboratory of Aquatic, Livestock and Poultry Feed Science and Technology in South China, Ministry of Agriculture, Zhanjiang 524088, China
| | - Menglin Wei
- Laboratory of Aquatic Animal Nutrition and Feed, College of Fisheries, Guangdong Ocean University, Zhanjiang 524088, China; (H.L.); (M.W.); (X.D.); (S.X.)
- Aquatic Animals Precision Nutrition and High-Efficiency Feed Engineering Research Center of Guangdong Province, Zhanjiang 524088, China
- Key Laboratory of Aquatic, Livestock and Poultry Feed Science and Technology in South China, Ministry of Agriculture, Zhanjiang 524088, China
| | - Beiping Tan
- Laboratory of Aquatic Animal Nutrition and Feed, College of Fisheries, Guangdong Ocean University, Zhanjiang 524088, China; (H.L.); (M.W.); (X.D.); (S.X.)
- Aquatic Animals Precision Nutrition and High-Efficiency Feed Engineering Research Center of Guangdong Province, Zhanjiang 524088, China
- Key Laboratory of Aquatic, Livestock and Poultry Feed Science and Technology in South China, Ministry of Agriculture, Zhanjiang 524088, China
| | - Xiaohui Dong
- Laboratory of Aquatic Animal Nutrition and Feed, College of Fisheries, Guangdong Ocean University, Zhanjiang 524088, China; (H.L.); (M.W.); (X.D.); (S.X.)
- Aquatic Animals Precision Nutrition and High-Efficiency Feed Engineering Research Center of Guangdong Province, Zhanjiang 524088, China
- Key Laboratory of Aquatic, Livestock and Poultry Feed Science and Technology in South China, Ministry of Agriculture, Zhanjiang 524088, China
| | - Shiwei Xie
- Laboratory of Aquatic Animal Nutrition and Feed, College of Fisheries, Guangdong Ocean University, Zhanjiang 524088, China; (H.L.); (M.W.); (X.D.); (S.X.)
- Aquatic Animals Precision Nutrition and High-Efficiency Feed Engineering Research Center of Guangdong Province, Zhanjiang 524088, China
- Key Laboratory of Aquatic, Livestock and Poultry Feed Science and Technology in South China, Ministry of Agriculture, Zhanjiang 524088, China
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Bian H, Zhang L, Yao Y, Lv F, Wei J. How traditional Chinese medicine can prevent recurrence of common bile duct stones after endoscopic retrograde cholangiopancreatography? Front Pharmacol 2024; 15:1363071. [PMID: 38659575 PMCID: PMC11039848 DOI: 10.3389/fphar.2024.1363071] [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: 12/29/2023] [Accepted: 03/20/2024] [Indexed: 04/26/2024] Open
Abstract
Common bile duct stones, as a type of cholelithiasis, are a benign biliary obstruction that easily acute abdominalgia, and Endoscopic Retrograde Cholangiopancreatography (ERCP) is usually the first choice for clinical treatment. However, the increasing recurrence rate of patients after treatment is troubling clinicians and patients. For the prevention of recurrence after ERCP, there is no guideline to provide a clear drug regimen, traditional Chinese medicine however has achieved some result in the treatment of liver-related diseases based on the "gut-liver-bile acid axis". On the basis of this, this article discusses the possibility of traditional Chinese medicine to prevent common bile duct stones (CBDS) after ERCP, and we expect that this article will provide new ideas for the prevention of recurrence of CBDS and for the treatment of cholelithiasis-related diseases with traditional Chinese medicine in future clinical and scientific research.
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Affiliation(s)
- Haoyu Bian
- Department of Gastroenterology, Dongfang Hospital of Beijing University of Chinese Medicine, Beijing, China
| | - Liping Zhang
- Graduate School, Beijing University of Chinese Medicine, Beijing, China
| | - Yupu Yao
- Department of Gastroenterology, Dongfang Hospital of Beijing University of Chinese Medicine, Beijing, China
| | - Fuqi Lv
- Department of Gastroenterology, Dongfang Hospital of Beijing University of Chinese Medicine, Beijing, China
| | - Jiaoyang Wei
- Department of Gastroenterology, Dongfang Hospital of Beijing University of Chinese Medicine, Beijing, China
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Longtine AG, Greenberg NT, Bernaldo de Quirós Y, Brunt VE. The gut microbiome as a modulator of arterial function and age-related arterial dysfunction. Am J Physiol Heart Circ Physiol 2024; 326:H986-H1005. [PMID: 38363212 PMCID: PMC11279790 DOI: 10.1152/ajpheart.00764.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 01/26/2024] [Accepted: 02/13/2024] [Indexed: 02/17/2024]
Abstract
The arterial system is integral to the proper function of all other organs and tissues. Arterial function is impaired with aging, and arterial dysfunction contributes to the development of numerous age-related diseases, including cardiovascular diseases. The gut microbiome has emerged as an important regulator of both normal host physiological function and impairments in function with aging. The purpose of this review is to summarize more recently published literature demonstrating the role of the gut microbiome in supporting normal arterial development and function and in modulating arterial dysfunction with aging in the absence of overt disease. The gut microbiome can be altered due to a variety of exposures, including physiological aging processes. We explore mechanisms by which the gut microbiome may contribute to age-related arterial dysfunction, with a focus on changes in various gut microbiome-related compounds in circulation. In addition, we discuss how modulating circulating levels of these compounds may be a viable therapeutic approach for improving artery function with aging. Finally, we identify and discuss various experimental considerations and research gaps/areas of future research.
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Affiliation(s)
- Abigail G Longtine
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado, United States
| | - Nathan T Greenberg
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado, United States
| | - Yara Bernaldo de Quirós
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado, United States
- Instituto Universitario de Sanidad Animal y Seguridad Alimentaria, Universidad de las Palmas de Gran Canaria, Las Palmas, Spain
| | - Vienna E Brunt
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado, United States
- Division of Renal Diseases and Hypertension, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, United States
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Liang J, Wang Y, Liu B, Dong X, Cai W, Zhang N, Zhang H. Deciphering the intricate linkage between the gut microbiota and Alzheimer's disease: Elucidating mechanistic pathways promising therapeutic strategies. CNS Neurosci Ther 2024; 30:e14704. [PMID: 38584341 PMCID: PMC10999574 DOI: 10.1111/cns.14704] [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: 10/04/2023] [Revised: 12/15/2023] [Accepted: 03/25/2024] [Indexed: 04/09/2024] Open
Abstract
BACKGROUND The gut microbiome is composed of various microorganisms such as bacteria, fungi, and protozoa, and constitutes an important part of the human gut. Its composition is closely related to human health and disease. Alzheimer's disease (AD) is a neurodegenerative disease whose underlying mechanism has not been fully elucidated. Recent research has shown that there are significant differences in the gut microbiota between AD patients and healthy individuals. Changes in the composition of gut microbiota may lead to the development of harmful factors associated with AD. In addition, the gut microbiota may play a role in the development and progression of AD through the gut-brain axis. However, the exact nature of this relationship has not been fully understood. AIMS This review will elucidate the types and functions of gut microbiota and their relationship with AD and explore in depth the potential mechanisms of gut microbiota in the occurrence of AD and the prospects for treatment strategies. METHODS Reviewed literature from PubMed and Web of Science using key terminologies related to AD and the gut microbiome. RESULTS Research indicates that the gut microbiota can directly or indirectly influence the occurrence and progression of AD through metabolites, endotoxins, and the vagus nerve. DISCUSSION This review discusses the future challenges and research directions regarding the gut microbiota in AD. CONCLUSION While many unresolved issues remain regarding the gut microbiota and AD, the feasibility and immense potential of treating AD by modulating the gut microbiota are evident.
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Affiliation(s)
- Junyi Liang
- Heilongjiang University of Traditional Chinese MedicineHarbinHeilongjiang ProvinceChina
| | - Yueyang Wang
- Heilongjiang University of Traditional Chinese MedicineHarbinHeilongjiang ProvinceChina
| | - Bin Liu
- Heilongjiang University of Traditional Chinese MedicineHarbinHeilongjiang ProvinceChina
| | - Xiaohong Dong
- Jiamusi CollegeHeilongjiang University of Traditional Chinese MedicineJiamusiHeilongjiang ProvinceChina
| | - Wenhui Cai
- Heilongjiang University of Traditional Chinese MedicineHarbinHeilongjiang ProvinceChina
| | - Ning Zhang
- Heilongjiang University of Traditional Chinese MedicineHarbinHeilongjiang ProvinceChina
| | - Hong Zhang
- Heilongjiang Jiamusi Central HospitalJiamusiHeilongjiang ProvinceChina
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Kashlan OB, Wang XP, Sheng S, Kleyman TR. Epithelial Na + Channels Function as Extracellular Sensors. Compr Physiol 2024; 14:1-41. [PMID: 39109974 PMCID: PMC11309579 DOI: 10.1002/cphy.c230015] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/10/2024]
Abstract
The epithelial Na + channel (ENaC) resides on the apical surfaces of specific epithelia in vertebrates and plays a critical role in extracellular fluid homeostasis. Evidence that ENaC senses the external environment emerged well before the molecular identity of the channel was reported three decades ago. This article discusses progress toward elucidating the mechanisms through which specific external factors regulate ENaC function, highlighting insights gained from structural studies of ENaC and related family members. It also reviews our understanding of the role of ENaC regulation by the extracellular environment in physiology and disease. After familiarizing the reader with the channel's physiological roles and structure, we describe the central role protein allostery plays in ENaC's sensitivity to the external environment. We then discuss each of the extracellular factors that directly regulate the channel: proteases, cations and anions, shear stress, and other regulators specific to particular extracellular compartments. For each regulator, we discuss the initial observations that led to discovery, studies investigating molecular mechanism, and the physiological and pathophysiological implications of regulation. © 2024 American Physiological Society. Compr Physiol 14:5407-5447, 2024.
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Affiliation(s)
- Ossama B. Kashlan
- Department of Medicine, Renal-Electrolyte Division,
University of Pittsburgh, Pittsburgh, Pennsylvania
- Department of Computational and Systems Biology, University
of Pittsburgh, Pittsburgh, Pennsylvania
| | - Xue-Ping Wang
- Department of Medicine, Renal-Electrolyte Division,
University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Shaohu Sheng
- Department of Medicine, Renal-Electrolyte Division,
University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Thomas R. Kleyman
- Department of Medicine, Renal-Electrolyte Division,
University of Pittsburgh, Pittsburgh, Pennsylvania
- Department of Cell Biology, University of Pittsburgh,
Pittsburgh, Pennsylvania
- Department of Pharmacology and Chemical Biology, University
of Pittsburgh, Pittsburgh, Pennsylvania
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Németh K, Sterczer Á, Kiss DS, Lányi RK, Hemző V, Vámos K, Bartha T, Buzás A, Lányi K. Determination of Bile Acids in Canine Biological Samples: Diagnostic Significance. Metabolites 2024; 14:178. [PMID: 38668306 PMCID: PMC11052161 DOI: 10.3390/metabo14040178] [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: 02/24/2024] [Revised: 03/19/2024] [Accepted: 03/20/2024] [Indexed: 04/28/2024] Open
Abstract
The comprehensive examination of bile acids is of paramount importance across various fields of health sciences, influencing physiology, microbiology, internal medicine, and pharmacology. While enzymatic reaction-based photometric methods remain fundamental for total BA measurements, there is a burgeoning demand for more sophisticated techniques such as liquid chromatography-tandem mass spectrometry (LC-MS/MS) for comprehensive BA profiling. This evolution reflects a need for nuanced diagnostic assessments in clinical practice. In canines, a BA assessment involves considering factors, such as food composition, transit times, and breed-specific variations. Multiple matrices, including blood, feces, urine, liver tissue, and gallbladder bile, offer insights into BA profiles, yet interpretations remain complex, particularly in fecal analysis due to sampling challenges and breed-specific differences. Despite ongoing efforts, a consensus regarding optimal matrices and diagnostic thresholds remains elusive, highlighting the need for further research. Emphasizing the scarcity of systematic animal studies and underscoring the importance of ap-propriate sampling methodologies, our review advocates for targeted investigations into BA alterations in canine pathology, promising insights into pathomechanisms, early disease detection, and therapeutic avenues.
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Affiliation(s)
- Krisztián Németh
- Department of Physiology and Biochemistry, University of Veterinary Medicine, István u. 2, H-1078 Budapest, Hungary; (K.N.); (D.S.K.); (V.H.); (T.B.)
| | - Ágnes Sterczer
- Department of Internal Medicine, University of Veterinary Medicine, István u. 2, H-1078 Budapest, Hungary;
| | - Dávid Sándor Kiss
- Department of Physiology and Biochemistry, University of Veterinary Medicine, István u. 2, H-1078 Budapest, Hungary; (K.N.); (D.S.K.); (V.H.); (T.B.)
| | - Réka Katalin Lányi
- Faculty of Pharmacy, University of Szeged, Zrínyi u. 9, H-6720 Szeged, Hungary;
| | - Vivien Hemző
- Department of Physiology and Biochemistry, University of Veterinary Medicine, István u. 2, H-1078 Budapest, Hungary; (K.N.); (D.S.K.); (V.H.); (T.B.)
| | - Kriszta Vámos
- Department of Internal Medicine, University of Veterinary Medicine, István u. 2, H-1078 Budapest, Hungary;
| | - Tibor Bartha
- Department of Physiology and Biochemistry, University of Veterinary Medicine, István u. 2, H-1078 Budapest, Hungary; (K.N.); (D.S.K.); (V.H.); (T.B.)
| | - Anna Buzás
- Institute of Food Chain Science, University of Veterinary Medicine, István u. 2, H-1078 Budapest, Hungary; (A.B.); (K.L.)
| | - Katalin Lányi
- Institute of Food Chain Science, University of Veterinary Medicine, István u. 2, H-1078 Budapest, Hungary; (A.B.); (K.L.)
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46
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Liu X, Chen X, Wang C, Song J, Xu J, Gao Z, Huang Y, Suo H. Mechanisms of probiotic modulation of ovarian sex hormone production and metabolism: a review. Food Funct 2024; 15:2860-2878. [PMID: 38433710 DOI: 10.1039/d3fo04345b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/05/2024]
Abstract
Sex hormones play a pivotal role in the growth and development of the skeletal, neurological, and reproductive systems. In women, the dysregulation of sex hormones can result in various health complications such as acne, hirsutism, and irregular menstruation. One of the most prevalent diseases associated with excess androgens is polycystic ovary syndrome with a hyperandrogenic phenotype. Probiotics have shown the potential to enhance the secretion of ovarian sex hormones. However, the underlying mechanism of action remains unclear. Furthermore, comprehensive reviews detailing how probiotics modulate ovarian sex hormones are scarce. This review seeks to shed light on the potential mechanisms through which probiotics influence the production of ovarian sex hormones. The role of probiotics across various biological axes, including the gut-ovarian, gut-brain-ovarian, gut-liver-ovarian, gut-pancreas-ovarian, and gut-fat-ovarian axes, with a focus on the direct impact of probiotics on the ovaries via the gut and their effects on brain gonadotropins is discussed. It is also proposed herein that probiotics can significantly influence the onset, progression, and complications of ovarian sex hormone abnormalities. In addition, this review provides a theoretical basis for the therapeutic application of probiotics in managing sex hormone-related health conditions.
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Affiliation(s)
- Xiao Liu
- College of Food Science, Southwest University, Chongqing 400715, P. R. China.
| | - Xiaoyong Chen
- College of Food Science, Southwest University, Chongqing 400715, P. R. China.
- Citrus Research Institute, National Citrus Engineering Research Center, Southwest University, Chongqing 400715, P. R. China
- Chongqing Key Laboratory of Speciality Food Co-Built by Sichuan and Chongqing, Chongqing 400715, P. R. China
| | - Chen Wang
- College of Food Science, Southwest University, Chongqing 400715, P. R. China.
- Citrus Research Institute, National Citrus Engineering Research Center, Southwest University, Chongqing 400715, P. R. China
- Chongqing Key Laboratory of Speciality Food Co-Built by Sichuan and Chongqing, Chongqing 400715, P. R. China
| | - Jiajia Song
- College of Food Science, Southwest University, Chongqing 400715, P. R. China.
- Citrus Research Institute, National Citrus Engineering Research Center, Southwest University, Chongqing 400715, P. R. China
- Chongqing Key Laboratory of Speciality Food Co-Built by Sichuan and Chongqing, Chongqing 400715, P. R. China
| | - Jiahui Xu
- College of Food Science, Southwest University, Chongqing 400715, P. R. China.
| | - Zhen Gao
- College of Food Science, Southwest University, Chongqing 400715, P. R. China.
| | - Yechuan Huang
- College of Bioengineering, Jingchu University of Technology, Jingmen 448000, P. R. China.
| | - Huayi Suo
- College of Food Science, Southwest University, Chongqing 400715, P. R. China.
- Citrus Research Institute, National Citrus Engineering Research Center, Southwest University, Chongqing 400715, P. R. China
- Chongqing Key Laboratory of Speciality Food Co-Built by Sichuan and Chongqing, Chongqing 400715, P. R. China
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Zheng X, Xu X, Liu M, Yang J, Yuan M, Sun C, Zhou Q, Chen J, Liu B. Bile acid and short chain fatty acid metabolism of gut microbiota mediate high-fat diet induced intestinal barrier damage in Macrobrachium rosenbergii. FISH & SHELLFISH IMMUNOLOGY 2024; 146:109376. [PMID: 38218421 DOI: 10.1016/j.fsi.2024.109376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 01/08/2024] [Accepted: 01/10/2024] [Indexed: 01/15/2024]
Abstract
The limited tolerance of crustacean tissue physiology to a high-fat diet has captured the attention of researchers. Yet, investigations into the physiological response mechanisms of the crustacean intestinal barrier system to a high-fat diet are progressing slowly. Elucidating potential physiological mechanisms and determining the precise regulatory targets would be of great physiological and nutritional significance. This study established a high-fat diet-induced intestinal barrier damage model in Macrobrachium rosenbergii, and systematically investigated the functions of gut microbiota and its functional metabolites. The study achieved this by monitoring phenotypic indicators, conducting 16S rDNA sequencing, targeted metabolomics, and in vitro anaerobic fermentation of intestinal contents. Feeding prawns with control and high-fat diets for 8 weeks, the lipid level of 7 % in the CON diet and 12 % in the HF diet. Results showed that high-fat intake impaired the intestinal epithelial cells, intestinal barrier structure, and permeability of M. rosenbergii, activated the tight junction signaling pathway inhibiting factor NF-κB transcription factor Relish/myosin light chain kinase (MLCK), and suppressed the expression of downstream tight junction proteins zona occludens protein 1 (ZO-1) and Claudin. High-fat intake resulted in a significant increase in abundance of Aeromonas, Enterobacter, and Clostridium sensu stricto 3 genera, while Lactobacillus, Lactococcus, Bacteroides, and Ruminococcaceae UCG-010 genera were significantly decreased. Targeted metabolomics results of bile acids and short-chain fatty acids in intestinal contents and in vitro anaerobic fermentation products showed a marked rise in the abundance of DCA, 12-KetoLCA, 7,12-diketoLCA, and Isovaleric acid, and a significant reduction in the abundance of HDCA, CDCA, and Acetate in the HF group. Pearson correlation analysis revealed a substantial correlation between various genera (Clostridium sensu stricto 3, Lactobacillus, Bacteroides) and secondary metabolites (DCA, HDCA, 12-KetoLCA, Acetate), and the latter was significantly correlated with intestinal barrier function related genes (Relish, ZO-1, MLCK, vitamin D receptor, and ecdysone receptor). These findings indicate that gut microorganisms and their specific bile acids and short-chain fatty acid secondary metabolites play a crucial role in the process of high-fat-induced intestinal barrier damage of M. rosenbergii. Moreover, identifying and targeting these factors could facilitate precise regulation of high-fat nutrition for crustaceans.
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Affiliation(s)
- Xiaochuan Zheng
- Key Laboratory for Genetic Breeding of Aquatic Animals and Aquaculture Biology, Freshwater Fisheries Research Center (FFRC), Chinese Academy of Fishery Sciences (CAFS), Wuxi, China; Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, China
| | - Xiaodi Xu
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, China
| | - Mingyang Liu
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, China
| | - Jie Yang
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, China
| | - Meng Yuan
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, China
| | - Cunxin Sun
- Key Laboratory for Genetic Breeding of Aquatic Animals and Aquaculture Biology, Freshwater Fisheries Research Center (FFRC), Chinese Academy of Fishery Sciences (CAFS), Wuxi, China; Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, China
| | - Qunlan Zhou
- Key Laboratory for Genetic Breeding of Aquatic Animals and Aquaculture Biology, Freshwater Fisheries Research Center (FFRC), Chinese Academy of Fishery Sciences (CAFS), Wuxi, China; Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, China
| | - Jianming Chen
- Key Laboratory of Healthy Freshwater Aquaculture, Ministry of Agriculture and Rural Affairs, Key Laboratory of Fish Health and Nutrition of Zhejiang Province, Zhejiang Institute of Freshwater Fisheries, Huzhou, China.
| | - Bo Liu
- Key Laboratory for Genetic Breeding of Aquatic Animals and Aquaculture Biology, Freshwater Fisheries Research Center (FFRC), Chinese Academy of Fishery Sciences (CAFS), Wuxi, China; Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, China.
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48
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Rowe JC, Winston JA. Collaborative Metabolism: Gut Microbes Play a Key Role in Canine and Feline Bile Acid Metabolism. Vet Sci 2024; 11:94. [PMID: 38393112 PMCID: PMC10892723 DOI: 10.3390/vetsci11020094] [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: 01/05/2024] [Revised: 01/31/2024] [Accepted: 02/02/2024] [Indexed: 02/25/2024] Open
Abstract
Bile acids, produced by the liver and secreted into the gastrointestinal tract, are dynamic molecules capable of impacting the overall health of dogs and cats in many contexts. Importantly, the gut microbiota metabolizes host primary bile acids into chemically distinct secondary bile acids. This review explores the emergence of new literature connecting microbial-derived bile acid metabolism to canine and feline health and disease. Moreover, this review highlights multi-omic methodologies for translational research as an area for continued growth in veterinary medicine aimed at accelerating microbiome science and medicine as it pertains to bile acid metabolism in dogs and cats.
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Affiliation(s)
- John C. Rowe
- Department of Veterinary Clinical Sciences, The Ohio State University College of Veterinary Medicine, Columbus, OH 43210, USA;
- Comparative Hepatobiliary Intestinal Research Program (CHIRP), The Ohio State University College of Veterinary Medicine, Columbus, OH 43210, USA
| | - Jenessa A. Winston
- Department of Veterinary Clinical Sciences, The Ohio State University College of Veterinary Medicine, Columbus, OH 43210, USA;
- Comparative Hepatobiliary Intestinal Research Program (CHIRP), The Ohio State University College of Veterinary Medicine, Columbus, OH 43210, USA
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49
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Meng P, Zhang G, Ma X, Ding X, Song X, Dang S, Yang R, Xu L. Traditional Chinese medicine (Xielikang) reduces diarrhea symptoms in acquired immune deficiency syndrome (AIDS) patients by regulating the intestinal microbiota. Front Microbiol 2024; 15:1346955. [PMID: 38435694 PMCID: PMC10904582 DOI: 10.3389/fmicb.2024.1346955] [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: 11/30/2023] [Accepted: 02/05/2024] [Indexed: 03/05/2024] Open
Abstract
Diarrheal acquired immune deficiency syndrome (AIDS) seriously affects the quality of life of patients. In this study, we analyzed the differences in the intestinal microbiota among healthy individuals, AIDS patients without diarrhea and AIDS patients with diarrhea through high-throughput sequencing. The microbial diversity in the intestines of patients in the AIDS diarrhea group was significantly increased, and after treatment with Xielikang, the intestinal microbial diversity returned to the baseline level. At the phylum level, compared those in to the healthy (ZC) and AIDS non diarrhea (FN) groups, the relative abundances of Bacteroidetes and Verrucomirobia in the AIDS diarrhea (FA) group before treatment were significantly increased, while the relative abundance of Firmicutes was significantly decreased. Similarly, compared with those in the FA group, the relative abundances of Bacteroidea and Firmicutes in the AIDS diarrhea (FB) group after treatment were significantly increased, while the relative abundance of Firmicutes was significantly decreased after treatment. Additionally, there was no significant difference between the ZC and FN groups. At the genus level, compared with those in the ZC group, the relative abundance of Prevotella and Escherichia_Shigella in the FA group was significantly increased, while the relative abundances of Megamonas and Bifidobacterium was significantly decreased compared to that in the ZC group. After treatment with Xielikang, the relative abundance of Prevotella and Escherichia_Shigella in the FB group were significantly decreased, while the relative abundances of Megamonas and Bifidobacteria were significantly increased than those in the FA group; moreover, there was no significant difference between the ZC and FN groups. The functional prediction results showed that the ketodeoxyoctonate (Kdo) transfer to lipid IVA III and the superpathway of N-acetylglucosamine pathways in the AIDS diarrhea group were significantly altered. The correlation analysis results showed that Dorea was positively correlated with inflammatory factors, while Streptococcus and Lactobacillus were negatively correlated with inflammatory factors. The composition and function of the intestinal microbiota changed significantly in AIDS diarrhea patients, which affected the immune function of the host. The Xielikang capsule modulated the composition of the intestinal microbiota in AIDS diarrhea patients and thus improved immune function and reduced diarrheal symptoms.
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Affiliation(s)
- Pengfei Meng
- Henan University of Chinese Medicine, Zhengzhou, China
- The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, China
| | - Guichun Zhang
- The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, China
| | - Xiuxia Ma
- The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, China
| | - Xue Ding
- The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, China
| | - Xiyuan Song
- The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, China
| | - Shuyuan Dang
- Henan University of Chinese Medicine, Zhengzhou, China
| | - Ruihan Yang
- Henan University of Chinese Medicine, Zhengzhou, China
| | - Liran Xu
- Henan University of Chinese Medicine, Zhengzhou, China
- The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, China
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50
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Duysburgh C, Miclotte L, Green JB, Watts KT, Sardi MI, Chakrabarti A, Khafipour E, Marzorati M. Saccharomyces cerevisiae derived postbiotic alters gut microbiome metabolism in the human distal colon resulting in immunomodulatory potential in vitro. Front Microbiol 2024; 15:1358456. [PMID: 38410391 PMCID: PMC10895063 DOI: 10.3389/fmicb.2024.1358456] [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: 12/20/2023] [Accepted: 01/22/2024] [Indexed: 02/28/2024] Open
Abstract
The yeast-based postbiotic EpiCor is a well-studied formulation, consisting of a complex mixture of bioactive molecules. In clinical studies, EpiCor postbiotic has been shown to reduce intestinal symptoms in a constipated population and support mucosal defense in healthy subjects. Anti-inflammatory potential and butyrogenic properties have been reported in vitro, suggesting a possible link between EpiCor's gut modulatory activity and immunomodulation. The current study used a standardized in vitro gut model, the Simulator of the Human Intestinal Microbial Ecosystem (SHIME®), to obtain a deeper understanding on host-microbiome interactions and potential microbiome modulation following repeated EpiCor administration. It was observed that EpiCor induced a functional shift in carbohydrate fermentation patterns in the proximal colon environment. Epicor promoted an increased abundance of Bifidobacterium in both the proximal and distal colon, affecting overall microbial community structure. Co-occurrence network analysis at the phylum level provided additional evidence of changes in the functional properties of microbial community promoted by EpiCor, increasing positive associations between Actinobacteria with microbes belonging to the Firmicutes phylum. These results, together with a significant increase in butyrate production provide additional support of EpiCor benefits to gut health. Investigation of host-microbiome interactions confirmed the immunomodulatory potential of the applied test product. Specific microbial alterations were observed in the distal colon, with metabotyping indicating that specific metabolic pathways, such as bile acid and tryptophan metabolism, were affected following EpiCor supplementation. These results, especially considering many effects were seen distally, further strengthen the position of EpiCor as a postbiotic with health promoting functionality in the gut, which could be further assessed in vivo.
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Affiliation(s)
| | | | | | | | | | | | | | - Massimo Marzorati
- ProDigest BV, Ghent, Belgium
- Center of Microbial Ecology and Technology (CMET), Ghent University, Ghent, Belgium
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