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Tunali V, Arslan NÇ, Ermiş BH, Derviş Hakim G, Gündoğdu A, Hora M, Nalbantoğlu ÖU. A Multicenter Randomized Controlled Trial of Microbiome-Based Artificial Intelligence-Assisted Personalized Diet vs Low-Fermentable Oligosaccharides, Disaccharides, Monosaccharides, and Polyols Diet: A Novel Approach for the Management of Irritable Bowel Syndrome. Am J Gastroenterol 2024:00000434-990000000-01162. [PMID: 38717025 DOI: 10.14309/ajg.0000000000002862] [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] [Received: 12/20/2023] [Accepted: 04/26/2024] [Indexed: 06/21/2024]
Abstract
INTRODUCTION Personalized management strategies are pivotal in addressing irritable bowel syndrome (IBS). This multicenter randomized controlled trial focuses on comparing the efficacy of a microbiome-based artificial intelligence-assisted personalized diet (PD) with a low-fermentable oligosaccharides, disaccharides, monosaccharides, and polyols diet (FODMAP) for IBS management. METHODS One hundred twenty-one patients participated, with 70 assigned to the PD group and 51 to the FODMAP diet group. IBS subtypes, demographics, symptom severity (IBS-SSS), anxiety, depression, and quality of life (IBS-QOL) were evaluated. Both interventions spanned 6 weeks. The trial's primary outcome was the within-individual difference in IBS-SSS compared between intervention groups. RESULTS For the primary outcome, there was a change in IBS-SSS of -112.7 for those in the PD group vs -99.9 for those in the FODMAP diet group ( P = 0.29). Significant improvement occurred in IBS-SSS scores ( P < 0.001), frequency ( P < 0.001), abdominal distension ( P < 0.001), and life interference ( P < 0.001) in both groups. In addition, there were significant improvements in anxiety levels and IBS-QOL scores for both groups ( P < 0.001). Importantly, PD was effective in reducing IBS SSS scores across all IBS subtypes IBS-Constipation (IBS-C; P < 0.001), IBS-Diarrhea (IBS-D; P = 0.01), and IBS-Mixed (IBS-M; P < 0.001) while FODMAP diet exhibited comparable improvements in IBS-C ( P = 0.004) and IBS-M ( P < 0.001). PD intervention significantly improved IBS-QOL scores for all subtypes (IBS-C [ P < 0.001], IBS-D [ P < 0.001], and IBS-M [ P = 0.008]) while the FODMAP diet did so for the IBS-C ( P = 0.004) and IBS-D ( P = 0.022). Notably, PD intervention led to significant microbiome diversity shifts ( P < 0.05) and taxa alterations compared with FODMAP diet. DISCUSSION The artificial intelligence-assisted PD emerges as a promising approach for comprehensive IBS management. With its ability to address individual variation, the PD approach demonstrates significant symptom relief, enhanced QOL, and notable diversity shifts in the gut microbiome, making it a valuable strategy in the evolving landscape of IBS care.
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Affiliation(s)
- Varol Tunali
- Department of Parasitology, Faculty of Medicine, Manisa Celal Bayar University, Manisa, Turkey
| | - Naciye Çiğdem Arslan
- Department of Gastrointestinal Surgery, Medipol Bahçelievler Hospital, Istanbul, Turkey
| | - Beyza Hilal Ermiş
- Faculty of Nutrition and Dietetics, Adnan Menderes University, Aydın, Turkey
| | - Gözde Derviş Hakim
- Department of Gastroenterology, Tepecik Education and Research Hospital, Izmir, Turkey
| | - Aycan Gündoğdu
- Department of Microbiology and Clinical Microbiology, Faculty of Medicine, Erciyes University, Kayseri, Turkey
| | - Mehmet Hora
- Bioinformatics Division, Genome and Stem Cell Center, Erciyes University, Kayseri, Turkey
| | - Özkan Ufuk Nalbantoğlu
- Bioinformatics Division, Genome and Stem Cell Center, Erciyes University, Kayseri, Turkey
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Liu H, Xiao H, Lin S, Zhou H, Cheng Y, Xie B, Xu D. Effect of gut hormones on bone metabolism and their possible mechanisms in the treatment of osteoporosis. Front Pharmacol 2024; 15:1372399. [PMID: 38725663 PMCID: PMC11079205 DOI: 10.3389/fphar.2024.1372399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Accepted: 03/25/2024] [Indexed: 05/12/2024] Open
Abstract
Bone is a highly dynamic organ that changes with the daily circadian rhythm. During the day, bone resorption is suppressed due to eating, while it increases at night. This circadian rhythm of the skeleton is regulated by gut hormones. Until now, gut hormones that have been found to affect skeletal homeostasis include glucagon-like peptide-1 (GLP-1), glucagon-like peptide-2 (GLP-2), glucose-dependent insulinotropic polypeptide (GIP), and peptide YY (PYY), which exerts its effects by binding to its cognate receptors (GLP-1R, GLP-2R, GIPR, and Y1R). Several studies have shown that GLP-1, GLP-2, and GIP all inhibit bone resorption, while GIP also promotes bone formation. Notably, PYY has a strong bone resorption-promoting effect. In addition, gut microbiota (GM) plays an important role in maintaining bone homeostasis. This review outlines the roles of GLP-1, GLP-2, GIP, and PYY in bone metabolism and discusses the roles of gut hormones and the GM in regulating bone homeostasis and their potential mechanisms.
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Affiliation(s)
- Hongyu Liu
- Guangdong Key Laboratory for Research and Development of Natural Drugs, Dongguan Key Laboratory of Traditional Chinese Medicine and New Pharmaceutical Development, School of Pharmacy, Guangdong Medical University, Dongguan, China
- Institute of Traditional Chinese Medicine and New Pharmacy Development, Guangdong Medical University, Dongguan, China
| | - Huimin Xiao
- Guangdong Key Laboratory for Research and Development of Natural Drugs, Dongguan Key Laboratory of Traditional Chinese Medicine and New Pharmaceutical Development, School of Pharmacy, Guangdong Medical University, Dongguan, China
- Institute of Traditional Chinese Medicine and New Pharmacy Development, Guangdong Medical University, Dongguan, China
| | - Sufen Lin
- Guangdong Key Laboratory for Research and Development of Natural Drugs, Dongguan Key Laboratory of Traditional Chinese Medicine and New Pharmaceutical Development, School of Pharmacy, Guangdong Medical University, Dongguan, China
- Institute of Traditional Chinese Medicine and New Pharmacy Development, Guangdong Medical University, Dongguan, China
| | - Huan Zhou
- Guangdong Key Laboratory for Research and Development of Natural Drugs, Dongguan Key Laboratory of Traditional Chinese Medicine and New Pharmaceutical Development, School of Pharmacy, Guangdong Medical University, Dongguan, China
- Institute of Traditional Chinese Medicine and New Pharmacy Development, Guangdong Medical University, Dongguan, China
| | - Yizhao Cheng
- Guangdong Key Laboratory for Research and Development of Natural Drugs, Dongguan Key Laboratory of Traditional Chinese Medicine and New Pharmaceutical Development, School of Pharmacy, Guangdong Medical University, Dongguan, China
- Institute of Traditional Chinese Medicine and New Pharmacy Development, Guangdong Medical University, Dongguan, China
| | - Baocheng Xie
- Guangdong Key Laboratory for Research and Development of Natural Drugs, Dongguan Key Laboratory of Traditional Chinese Medicine and New Pharmaceutical Development, School of Pharmacy, Guangdong Medical University, Dongguan, China
- Department of Pharmacy, The 10th Affiliated Hospital of Southern Medical University (Dongguan People’s Hospital), Dongguan, China
| | - Daohua Xu
- Guangdong Key Laboratory for Research and Development of Natural Drugs, Dongguan Key Laboratory of Traditional Chinese Medicine and New Pharmaceutical Development, School of Pharmacy, Guangdong Medical University, Dongguan, China
- Institute of Traditional Chinese Medicine and New Pharmacy Development, Guangdong Medical University, Dongguan, China
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Zhang YW, Wu Y, Liu XF, Chen X, Su JC. Targeting the gut microbiota-related metabolites for osteoporosis: The inextricable connection of gut-bone axis. Ageing Res Rev 2024; 94:102196. [PMID: 38218463 DOI: 10.1016/j.arr.2024.102196] [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: 08/03/2023] [Revised: 12/24/2023] [Accepted: 01/09/2024] [Indexed: 01/15/2024]
Abstract
Osteoporosis is a systemic skeletal disease characterized by decreased bone mass, destruction of bone microstructure, raised bone fragility, and enhanced risk of fractures. The correlation between gut microbiota and bone metabolism has gradually become a widespread research hotspot in recent years, and successive studies have revealed that the alterations of gut microbiota and its-related metabolites are related to the occurrence and progression of osteoporosis. Moreover, several emerging studies on the relationship between gut microbiota-related metabolites and bone metabolism are also underway, and extensive research evidence has indicated an inseparable connection between them. Combined with latest literatures and based on inextricable connection of gut-bone axis, this review is aimed to summarize the relation, potential mechanisms, application strategies, clinical application prospects, and existing challenges of gut microbiota and its-related metabolites on osteoporosis, thus updating the knowledge in this research field and providing certain reference for future researches.
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Affiliation(s)
- Yuan-Wei Zhang
- Department of Orthopaedics, Xinhua Hospital Affiliated to Shanghai JiaoTong University School of Medicine, Shanghai 200092, China; Institute of Translational Medicine, Shanghai University, Shanghai 200444, China; Organoid Research Center, Shanghai University, Shanghai 200444, China; National Center for Translational Medicine (Shanghai) SHU Branch, Shanghai University, Shanghai 200444, China
| | - Yan Wu
- Institute of Translational Medicine, Shanghai University, Shanghai 200444, China; Organoid Research Center, Shanghai University, Shanghai 200444, China; National Center for Translational Medicine (Shanghai) SHU Branch, Shanghai University, Shanghai 200444, China
| | - Xiang-Fei Liu
- Department of Orthopaedics, Shanghai Zhongye Hospital, Shanghai 200941, China.
| | - Xiao Chen
- Department of Orthopaedics, Xinhua Hospital Affiliated to Shanghai JiaoTong University School of Medicine, Shanghai 200092, China.
| | - Jia-Can Su
- Department of Orthopaedics, Xinhua Hospital Affiliated to Shanghai JiaoTong University School of Medicine, Shanghai 200092, China; Institute of Translational Medicine, Shanghai University, Shanghai 200444, China; Organoid Research Center, Shanghai University, Shanghai 200444, China; National Center for Translational Medicine (Shanghai) SHU Branch, Shanghai University, Shanghai 200444, China.
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Tap J, Lejzerowicz F, Cotillard A, Pichaud M, McDonald D, Song SJ, Knight R, Veiga P, Derrien M. Global branches and local states of the human gut microbiome define associations with environmental and intrinsic factors. Nat Commun 2023; 14:3310. [PMID: 37339957 DOI: 10.1038/s41467-023-38558-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Accepted: 05/04/2023] [Indexed: 06/22/2023] Open
Abstract
The gut microbiome is important for human health, yet modulation requires more insight into inter-individual variation. Here, we explored latent structures of the human gut microbiome across the human lifespan, applying partitioning, pseudotime, and ordination approaches to >35,000 samples. Specifically, three major gut microbiome branches were identified, within which multiple partitions were observed in adulthood, with differential abundances of species along branches. Different compositions and metabolic functions characterized the branches' tips, reflecting ecological differences. An unsupervised network analysis from longitudinal data from 745 individuals showed that partitions exhibited connected gut microbiome states rather than over-partitioning. Stability in the Bacteroides-enriched branch was associated with specific ratios of Faecalibacterium:Bacteroides. We also showed that associations with factors (intrinsic and extrinsic) could be generic, branch- or partition-specific. Our ecological framework for cross-sectional and longitudinal data allows a better understanding of overall variation in the human gut microbiome and disentangles factors associated with specific configurations.
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Affiliation(s)
- Julien Tap
- Danone Nutricia Research, Gif-sur-Yvette, France.
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, Jouy-en-Josas, France.
| | - Franck Lejzerowicz
- Center for Microbiome Innovation, University of California San Diego, La Jolla, CA, USA
- Section for Aquatic Biology and Toxicology, University of Oslo, Oslo, Norway
| | | | | | - Daniel McDonald
- Department of Pediatrics, School of Medicine, University of California San Diego, La Jolla, CA, USA
| | - Se Jin Song
- Center for Microbiome Innovation, University of California San Diego, La Jolla, CA, USA
| | - Rob Knight
- Center for Microbiome Innovation, University of California San Diego, La Jolla, CA, USA
- Department of Pediatrics, School of Medicine, University of California San Diego, La Jolla, CA, USA
- Department of Bioengineering, University of California San Diego, La Jolla, CA, USA
- Department of Computer Science and Engineering, University of California San Diego, La Jolla, CA, USA
| | - Patrick Veiga
- Danone Nutricia Research, Gif-sur-Yvette, France
- Université Paris-Saclay, INRAE, MGP, Jouy-en-Josas, France
| | - Muriel Derrien
- Danone Nutricia Research, Gif-sur-Yvette, France.
- Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, Katholieke Universiteit Leuven, Leuven, Belgium.
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Xu X, Lubomski M, Holmes AJ, Sue CM, Davis RL, Muller S, Yang JYH. NEMoE: a nutrition aware regularized mixture of experts model to identify heterogeneous diet-microbiome-host health interactions. MICROBIOME 2023; 11:51. [PMID: 36918961 PMCID: PMC10015776 DOI: 10.1186/s40168-023-01475-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Accepted: 01/24/2023] [Indexed: 06/18/2023]
Abstract
BACKGROUND Unrevealing the interplay between diet, the microbiome, and the health state could enable the design of personalized intervention strategies and improve the health and well-being of individuals. A common approach to this is to divide the study population into smaller cohorts based on dietary preferences in the hope of identifying specific microbial signatures. However, classification of patients based solely on diet is unlikely to reflect the microbiome-host health relationship or the taxonomic microbiome makeup. RESULTS We present a novel approach, the Nutrition-Ecotype Mixture of Experts (NEMoE) model, for establishing associations between gut microbiota and health state that accounts for diet-specific cohort variability using a regularized mixture of experts model framework with an integrated parameter sharing strategy to ensure data-driven diet-cohort identification consistency across taxonomic levels. The success of our approach was demonstrated through a series of simulation studies, in which NEMoE showed robustness with regard to parameter selection and varying degrees of data heterogeneity. Further application to real-world microbiome data from a Parkinson's disease cohort revealed that NEMoE is capable of not only improving predictive performance for Parkinson's Disease but also for identifying diet-specific microbial signatures of disease. CONCLUSION In summary, NEMoE can be used to uncover diet-specific relationships between nutritional-ecotype and patient health and to contextualize precision nutrition for different diseases. Video Abstract.
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Affiliation(s)
- Xiangnan Xu
- Charles Perkins Centre, The University of Sydney, Camperdown, Sydney, NSW, Australia
- School of Mathematics and Statistics, The University of Sydney, Camperdown, Sydney, NSW, Australia
| | - Michal Lubomski
- Department of Neurology, Royal North Shore Hospital, Northern Sydney Local Health District, St Leonards, NSW, Australia
- Department of Neurogenetics, Kolling Institute, Faculty of Medicine and Health, University of Sydney and Northern Sydney Local Health District, St Leonards, NSW, Australia
- The University of Notre Dame Australia, School of Medicine, Sydney, NSW, Australia
| | - Andrew J Holmes
- Charles Perkins Centre, The University of Sydney, Camperdown, Sydney, NSW, Australia
- School of Life and Environmental Sciences, University of Sydney, Camperdown, Sydney, NSW, Australia
| | - Carolyn M Sue
- Department of Neurology, Royal North Shore Hospital, Northern Sydney Local Health District, St Leonards, NSW, Australia
- Department of Neurogenetics, Kolling Institute, Faculty of Medicine and Health, University of Sydney and Northern Sydney Local Health District, St Leonards, NSW, Australia
| | - Ryan L Davis
- Department of Neurogenetics, Kolling Institute, Faculty of Medicine and Health, University of Sydney and Northern Sydney Local Health District, St Leonards, NSW, Australia
| | - Samuel Muller
- School of Mathematics and Statistics, The University of Sydney, Camperdown, Sydney, NSW, Australia
- Department of Mathematics and Statistics, Macquarie University, Sydney, NSW, 2109, Australia
| | - Jean Y H Yang
- Charles Perkins Centre, The University of Sydney, Camperdown, Sydney, NSW, Australia.
- School of Mathematics and Statistics, The University of Sydney, Camperdown, Sydney, NSW, Australia.
- Laboratory of Data Discovery for Health Limited (D24H), Science Park, Hong Kong, SAR, China.
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Wang Y, Uffelman CN, Bergia RE, Clark CM, Reed JB, Cross TWL, Lindemann SR, Tang M, Campbell WW. Meat Consumption and Gut Microbiota: a Scoping Review of Literature and Systematic Review of Randomized Controlled Trials in Adults. Adv Nutr 2023; 14:215-237. [PMID: 36822879 PMCID: PMC10229385 DOI: 10.1016/j.advnut.2022.10.005] [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: 02/28/2022] [Revised: 09/27/2022] [Accepted: 10/05/2022] [Indexed: 12/23/2022] Open
Abstract
Emerging research indicates the importance of gut microbiota in mediating the relationship between meat intake and human health outcomes. We aimed to assess the state of available scientific literature on meat intake and gut microbiota in humans (PROSPERO, International Prospective Register of Systematic Reviews, CRD42020135649). We first conducted a scoping review to identify observational and interventional studies on this topic. Searches were performed for English language articles using PubMed, Cochrane Library, Scopus, and CINAHL (Cumulated Index to Nursing and Allied Health Literature) databases from inception to August 2021 and using keywords related to meat (inclusive of mammalian, avian, and aquatic subtypes) and gut microbiota. Of 14,680 records, 85 eligible articles were included in the scoping review, comprising 57 observational and 28 interventional studies. One prospective observational study and 13 randomized controlled trials (RCTs) were identified in adults without diagnosed disease. We included the 13 RCTs, comprising 18 comparisons, in the systematic review to assess the effects of higher and lower intakes of total meat and meat subtypes on the gut microbiota composition. The bacterial composition was differentially affected by consuming diets with and without meat or with varied meat subtypes. For example, higher meat intake tended to decrease population sizes of genera Anerostipes and Faecalibacterium, but it increased the population size of Roseburia across studies. However, the magnitude and directionality of most microbial responses varied, with inconsistent patterns of responses across studies. The data were insufficient for comparison within or between meat subtypes. The paucity of research, especially among meat subtypes, and heterogeneity of findings underscore the need for more well-designed prospective studies and full-feeding RCTs to address the relationships between and effects of consuming total meat and meat subtypes on gut microbiota, respectively.
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Affiliation(s)
- Yu Wang
- Department of Nutrition Science, Purdue University, West Lafayette, IN, USA
| | - Cassi N Uffelman
- Department of Nutrition Science, Purdue University, West Lafayette, IN, USA
| | - Robert E Bergia
- Department of Nutrition Science, Purdue University, West Lafayette, IN, USA
| | - Caroline M Clark
- Department of Nutrition Science, Purdue University, West Lafayette, IN, USA
| | - Jason B Reed
- Libraries and School of Information Studies, Purdue University, West Lafayette, IN, USA
| | - Tzu-Wen L Cross
- Department of Nutrition Science, Purdue University, West Lafayette, IN, USA
| | | | - Minghua Tang
- Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Wayne W Campbell
- Department of Nutrition Science, Purdue University, West Lafayette, IN, USA.
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Chen J, Xiao Y, Li D, Zhang S, Wu Y, Zhang Q, Bai W. New insights into the mechanisms of high-fat diet mediated gut microbiota in chronic diseases. IMETA 2023; 2:e69. [PMID: 38868334 PMCID: PMC10989969 DOI: 10.1002/imt2.69] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/20/2022] [Revised: 10/13/2022] [Accepted: 11/06/2022] [Indexed: 06/14/2024]
Abstract
High-fat diet (HFD) has been recognized as a primary factor in the risk of chronic disease. Obesity, diabetes, gastrointestinal diseases, neurodegenerative diseases, and cardiovascular diseases have long been known as chronic diseases with high worldwide incidence. In this review, the influences of gut microbiota and their corresponding bacterial metabolites on the mechanisms of HFD-induced chronic diseases are systematically summarized. Gut microbiota imbalance is also known to increase susceptibility to diseases. Several studies have proven that HFD has a negative impact on gut microbiota, also exacerbating the course of many chronic diseases through increased populations of Erysipelotrichaceae, facultative anaerobic bacteria, and opportunistic pathogens. Since bile acids, lipopolysaccharide, short-chain fatty acids, and trimethylamine N-oxide have long been known as common features of bacterial metabolites, we will explore the possibility of synergistic mechanisms among those metabolites and gut microbiota in the context of HFD-induced chronic diseases. Recent literature concerning the mechanistic actions of HFD-mediated gut microbiota have been collected from PubMed, Google Scholar, and Scopus. The aim of this review is to provide new insights into those mechanisms and to point out the potential biomarkers of HFD-mediated gut microbiota.
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Affiliation(s)
- Jiali Chen
- Department of Food Science and Engineering, Institute of Food Safety and Nutrition, Guangdong Engineering Technology Center of Food Safety Molecular Rapid DetectionJinan UniversityGuangzhouChina
- School of Chinese Medicine, Centre for Cancer and Inflammation ResearchHong Kong Baptist UniversityHong KongChina
| | - Yuhang Xiao
- Department of Food Science and Engineering, Institute of Food Safety and Nutrition, Guangdong Engineering Technology Center of Food Safety Molecular Rapid DetectionJinan UniversityGuangzhouChina
| | - Dongmei Li
- Department of Microbiology & ImmunologyGeorgetown University Medical CenterWashingtonDistrict of ColumbiaUSA
| | - Shiqing Zhang
- JNU‐HKUST Joint Laboratory for Neuroscience and Innovative Drug Research, College of PharmacyJinan UniversityGuangzhouChina
| | - Yingzi Wu
- School of Chinese Medicine, Centre for Cancer and Inflammation ResearchHong Kong Baptist UniversityHong KongChina
| | - Qing Zhang
- Department of Food Science and Engineering, Institute of Food Safety and Nutrition, Guangdong Engineering Technology Center of Food Safety Molecular Rapid DetectionJinan UniversityGuangzhouChina
| | - Weibin Bai
- Department of Food Science and Engineering, Institute of Food Safety and Nutrition, Guangdong Engineering Technology Center of Food Safety Molecular Rapid DetectionJinan UniversityGuangzhouChina
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Jacobs JP, Lagishetty V, Hauer MC, Labus JS, Dong TS, Toma R, Vuyisich M, Naliboff BD, Lackner JM, Gupta A, Tillisch K, Mayer EA. Multi-omics profiles of the intestinal microbiome in irritable bowel syndrome and its bowel habit subtypes. MICROBIOME 2023; 11:5. [PMID: 36624530 PMCID: PMC9830758 DOI: 10.1186/s40168-022-01450-5] [Citation(s) in RCA: 22] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 12/14/2022] [Indexed: 06/17/2023]
Abstract
BACKGROUND Irritable bowel syndrome (IBS) is a common gastrointestinal disorder that is thought to involve alterations in the gut microbiome, but robust microbial signatures have been challenging to identify. As prior studies have primarily focused on composition, we hypothesized that multi-omics assessment of microbial function incorporating both metatranscriptomics and metabolomics would further delineate microbial profiles of IBS and its subtypes. METHODS Fecal samples were collected from a racially/ethnically diverse cohort of 495 subjects, including 318 IBS patients and 177 healthy controls, for analysis by 16S rRNA gene sequencing (n = 486), metatranscriptomics (n = 327), and untargeted metabolomics (n = 368). Differentially abundant microbes, predicted genes, transcripts, and metabolites in IBS were identified by multivariate models incorporating age, sex, race/ethnicity, BMI, diet, and HAD-Anxiety. Inter-omic functional relationships were assessed by transcript/gene ratios and microbial metabolic modeling. Differential features were used to construct random forests classifiers. RESULTS IBS was associated with global alterations in microbiome composition by 16S rRNA sequencing and metatranscriptomics, and in microbiome function by predicted metagenomics, metatranscriptomics, and metabolomics. After adjusting for age, sex, race/ethnicity, BMI, diet, and anxiety, IBS was associated with differential abundance of bacterial taxa such as Bacteroides dorei; metabolites including increased tyramine and decreased gentisate and hydrocinnamate; and transcripts related to fructooligosaccharide and polyol utilization. IBS further showed transcriptional upregulation of enzymes involved in fructose and glucan metabolism as well as the succinate pathway of carbohydrate fermentation. A multi-omics classifier for IBS had significantly higher accuracy (AUC 0.82) than classifiers using individual datasets. Diarrhea-predominant IBS (IBS-D) demonstrated shifts in the metatranscriptome and metabolome including increased bile acids, polyamines, succinate pathway intermediates (malate, fumarate), and transcripts involved in fructose, mannose, and polyol metabolism compared to constipation-predominant IBS (IBS-C). A classifier incorporating metabolites and gene-normalized transcripts differentiated IBS-D from IBS-C with high accuracy (AUC 0.86). CONCLUSIONS IBS is characterized by a multi-omics microbial signature indicating increased capacity to utilize fermentable carbohydrates-consistent with the clinical benefit of diets restricting this energy source-that also includes multiple previously unrecognized metabolites and metabolic pathways. These findings support the need for integrative assessment of microbial function to investigate the microbiome in IBS and identify novel microbiome-related therapeutic targets. Video Abstract.
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Affiliation(s)
- Jonathan P Jacobs
- Vatche and Tamar Manoukian Division of Digestive Diseases, Department of Medicine, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA.
- G. Oppenheimer Center for Neurobiology of Stress and Resilience, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA.
- Division of Gastroenterology, Hepatology and Parenteral Nutrition, VA Greater Los Angeles Healthcare System, Los Angeles, CA, USA.
| | - Venu Lagishetty
- Vatche and Tamar Manoukian Division of Digestive Diseases, Department of Medicine, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA
| | - Megan C Hauer
- Vatche and Tamar Manoukian Division of Digestive Diseases, Department of Medicine, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA
| | - Jennifer S Labus
- Vatche and Tamar Manoukian Division of Digestive Diseases, Department of Medicine, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA
- G. Oppenheimer Center for Neurobiology of Stress and Resilience, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA
| | - Tien S Dong
- Vatche and Tamar Manoukian Division of Digestive Diseases, Department of Medicine, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA
- Division of Gastroenterology, Hepatology and Parenteral Nutrition, VA Greater Los Angeles Healthcare System, Los Angeles, CA, USA
| | - Ryan Toma
- Viome Life Sciences, Bellevue, WA, USA
| | | | - Bruce D Naliboff
- Vatche and Tamar Manoukian Division of Digestive Diseases, Department of Medicine, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA
- G. Oppenheimer Center for Neurobiology of Stress and Resilience, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA
| | - Jeffrey M Lackner
- Division of Behavioral Medicine, Department of Medicine, Jacobs School of Medicine, University at Buffalo, SUNY, Buffalo, NY, USA
| | - Arpana Gupta
- Vatche and Tamar Manoukian Division of Digestive Diseases, Department of Medicine, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA
- G. Oppenheimer Center for Neurobiology of Stress and Resilience, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA
| | - Kirsten Tillisch
- Vatche and Tamar Manoukian Division of Digestive Diseases, Department of Medicine, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA
- G. Oppenheimer Center for Neurobiology of Stress and Resilience, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA
- Integrative Medicine, VA Greater Los Angeles Healthcare System, Los Angeles, CA, USA
| | - Emeran A Mayer
- Vatche and Tamar Manoukian Division of Digestive Diseases, Department of Medicine, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA.
- G. Oppenheimer Center for Neurobiology of Stress and Resilience, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA.
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Wu S, Yang S, Wang M, Song N, Feng J, Wu H, Yang A, Liu C, Li Y, Guo F, Qiao J. Quorum sensing-based interactions among drugs, microbes, and diseases. SCIENCE CHINA. LIFE SCIENCES 2023; 66:137-151. [PMID: 35933489 DOI: 10.1007/s11427-021-2121-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Accepted: 05/02/2022] [Indexed: 02/04/2023]
Abstract
Many diseases and health conditions are closely related to various microbes, which participate in complex interactions with diverse drugs; nonetheless, the detailed targets of such drugs remain to be elucidated. Many existing studies have reported causal associations among drugs, gut microbes, or diseases, calling for a workflow to reveal their intricate interactions. In this study, we developed a systematic workflow comprising three modules to construct a Quorum Sensing-based Drug-Microbe-Disease (QS-DMD) database ( http://www.qsdmd.lbci.net/ ), which includes diverse interactions for more than 8,000 drugs, 163 microbes, and 42 common diseases. Potential interactions between microbes and more than 8,000 drugs have been systematically studied by targeting microbial QS receptors combined with a docking-based virtual screening technique and in vitro experimental validations. Furthermore, we have constructed a QS-based drug-receptor interaction network, proposed a systematic framework including various drug-receptor-microbe-disease connections, and mapped a paradigmatic circular interaction network based on the QS-DMD, which can provide the underlying QS-based mechanisms for the reported causal associations. The QS-DMD will promote an understanding of personalized medicine and the development of potential therapies for diverse diseases. This work contributes to a paradigm for the construction of a molecule-receptor-microbe-disease interaction network for human health that may form one of the key knowledge maps of precision medicine in the future.
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Affiliation(s)
- Shengbo Wu
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, China.,State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin, 300072, China.,Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin, 300072, China
| | - Shujuan Yang
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, China
| | - Manman Wang
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, China
| | - Nan Song
- School of Computer Science and Technology, College of Intelligence and Computing, Tianjin University, Tianjin, 300350, China
| | - Jie Feng
- School of Computer Science and Technology, College of Intelligence and Computing, Tianjin University, Tianjin, 300350, China
| | - Hao Wu
- Institute of Shaoxing, Tianjin University, Shaoxing, 312300, China
| | - Aidong Yang
- Department of Engineering Science, University of Oxford, Oxford, OX1 3PJ, UK
| | - Chunjiang Liu
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, China.,State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin, 300072, China.,Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin, 300072, China
| | - Yanni Li
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, China. .,Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin, 300072, China. .,Key Laboratory of Systems Bioengineering, Ministry of Education (Tianjin University), Tianjin, 300072, China.
| | - Fei Guo
- School of Computer Science and Engineering, Central South University, Changsha, 410083, China.
| | - Jianjun Qiao
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, China. .,Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin, 300072, China. .,Key Laboratory of Systems Bioengineering, Ministry of Education (Tianjin University), Tianjin, 300072, China. .,Institute of Shaoxing, Tianjin University, Shaoxing, 312300, China.
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10
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Shin A, Kashyap PC. Multi-omics for biomarker approaches in the diagnostic evaluation and management of abdominal pain and irritable bowel syndrome: what lies ahead. Gut Microbes 2023; 15:2195792. [PMID: 37009874 PMCID: PMC10072066 DOI: 10.1080/19490976.2023.2195792] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Accepted: 03/23/2023] [Indexed: 04/04/2023] Open
Abstract
Reliable biomarkers for common disorders of gut-brain interaction characterized by abdominal pain, including irritable bowel syndrome (IBS), are critically needed to enhance care and develop individualized therapies. The dynamic and heterogeneous nature of the pathophysiological mechanisms that underlie visceral hypersensitivity have challenged successful biomarker development. Consequently, effective therapies for pain in IBS are lacking. However, recent advances in modern omics technologies offer new opportunities to acquire deep biological insights into mechanisms of pain and nociception. Newer methods for large-scale data integration of complementary omics approaches have further expanded our ability to build a holistic understanding of complex biological networks and their co-contributions to abdominal pain. Here, we review the mechanisms of visceral hypersensitivity, focusing on IBS. We discuss candidate biomarkers for pain in IBS identified through single omics studies and summarize emerging multi-omics approaches for developing novel biomarkers that may transform clinical care for patients with IBS and abdominal pain.
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Affiliation(s)
- Andrea Shin
- Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Purna C. Kashyap
- Clinical Enteric Neuroscience Translational and Epidemiological Research Program, Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, USA
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11
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Su Q, Tun HM, Liu Q, Yeoh YK, Mak JWY, Chan FKL, Ng SC. Gut microbiome signatures reflect different subtypes of irritable bowel syndrome. Gut Microbes 2023; 15:2157697. [PMID: 36573834 PMCID: PMC9809927 DOI: 10.1080/19490976.2022.2157697] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Irritable bowel syndrome (IBS) is a heterogeneous condition with multifactorial pathogenesis. We studied deeply phenotyped individuals with microbiota sequencing enrolled in the American Gut Project. The IBS subjects were matched by age, gender, body mass index, geography, and dietary patterns with non-IBS controls. A total of 942 subjects with IBS-Diarrhea (IBS-D), IBS-Constipation (IBS-C), unclassified IBS (IBS-U), and 942 non-IBS controls were included. We compared taxonomic and functional composition of gut microbiota based on 16S sequencing data and linked them with clinical characteristics and dietary factors. Subjects with IBS-D or IBS-U but not IBS-C showed significantly reduced bacterial diversity (Shannon; p < .01). Distinct bacterial signatures were associated with different IBS subtypes, and the related functional changes were related to IBS pathogenesis, such as the increased hydrogen sulfide production pathway in IBS-D and the increased palmitoleate biosynthesis pathway in IBS-C. IBS subjects with depression showed lower abundance of Bifidobacterium, Sutterella, Butyricimonas and higher abundance of Proteus than those without depression. The relative abundance of microbial short-chain fatty acid production pathways was significantly lower in IBS patients with depression than those without depression in all three subtypes. Female, younger age in IBS-D, and older age in IBS-C were associated with more severe microbiota dysbiosis, and distinct dietary factors had significant effects on the gut microbiota in different IBS subtypes. Our analysis identified the compositional uniqueness of gut microbiota in different IBS subtypes. Distinct associations of the gut microbiota with depression in IBS provide insights into shared pathways in disease pathogenesis. These findings highlight the importance of personalized gut microbiome modulation approaches in different subtypes for optimal therapeutic effects.
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Affiliation(s)
- Qi Su
- Microbiota I-Center (MagIC), Hong Kong SAR, China,Department of Medicine and Therapeutics, Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Hein M Tun
- Microbiota I-Center (MagIC), Hong Kong SAR, China,The Jockey Club School of Public Health and Primary Care, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Qin Liu
- Microbiota I-Center (MagIC), Hong Kong SAR, China,Department of Medicine and Therapeutics, Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Yun Kit Yeoh
- Microbiota I-Center (MagIC), Hong Kong SAR, China
| | - Joyce Wing Yan Mak
- Microbiota I-Center (MagIC), Hong Kong SAR, China,Department of Medicine and Therapeutics, Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Francis KL Chan
- Microbiota I-Center (MagIC), Hong Kong SAR, China,Department of Medicine and Therapeutics, Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Siew C Ng
- Microbiota I-Center (MagIC), Hong Kong SAR, China,Department of Medicine and Therapeutics, Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong SAR, China,CONTACT Siew C Ng Department of Medicine and Therapeutics, Faculty of Medicine, The Chinese University of Hong Kong
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12
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Bonetto S, Boano V, Valenzi E, Saracco GM, Pellicano R. Non-pharmacological strategies to treat irritable bowel syndrome: 2022 update. Minerva Gastroenterol (Torino) 2022; 68:475-481. [PMID: 36507830 DOI: 10.23736/s2724-5985.22.03202-8] [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: 12/14/2022]
Abstract
Irritable bowel syndrome (IBS) is a chronic functional disorder characterized by abdominal pain associated with changes in stool frequency or form, in absence of organic disease. The treatment of IBS is often challenging and should be individually adjusted according to the prevalent symptomatology. Pharmacological treatment for IBS with diarrhea includes peripheral opioid agonists, bile acid sequestrants and antibiotics, while IBS with constipation can be treated with soluble fibers, osmotic agents or prokinetics. In case of abdominal pain, the available pharmacological options are antispasmodics, peripheral opioid agonists or antidepressants. Along with pharmacotherapy, non-pharmacological interventions should be considered as they can play an important role in symptom control. The first-line approach includes lifestyle modifications and dietary advice. Microbiota manipulation through probiotics, prebiotics and symbiotics is a widely used strategy, although the evidence upon the most effective among these in specific IBS subtypes is still unclear. Fecal microbiota transplantation is still in experimental phase for IBS, but it is giving promising results. Psychological therapies may be effective in patients with IBS, despite their application can be limited by long duration, high costs and poor patient's acceptance. Alternative medicine approaches, such as acupuncture, body relaxation techniques, dietary supplements or Chinese herbs, have been proposed; however, the evidence upon their efficacy and safety is still controversial.
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Affiliation(s)
- Silvia Bonetto
- Unit of Gastroenterology and Endoscopy, Cardinal Massaia Hospital, Asti, Italy
| | - Valentina Boano
- Unit of Gastroenterology and Endoscopy, Cardinal Massaia Hospital, Asti, Italy
| | - Emiliano Valenzi
- Unit of Gastroenterology and Endoscopy, Cardinal Massaia Hospital, Asti, Italy
| | - Giorgio M Saracco
- Unit of Gastroenterology, Molinette Hospital, Turin, Italy.,Department of Medical Sciences, University of Turin, Turin, Italy
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13
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Wei S, Wang J, Wang C, Wang Y, Jin M. Inulin mitigates high fructose-induced gut dysbiosis and metabolic dysfunction in mice. J Funct Foods 2022. [DOI: 10.1016/j.jff.2022.105236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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14
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Ma W, Drew DA, Staller K. The Gut Microbiome and Colonic Motility Disorders: A Practical Framework for the Gastroenterologist. Curr Gastroenterol Rep 2022; 24:115-126. [PMID: 35943661 PMCID: PMC10039988 DOI: 10.1007/s11894-022-00847-4] [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] [Accepted: 07/15/2022] [Indexed: 10/15/2022]
Abstract
PURPOSE OF REVIEW Colonic motility disorders may be influenced by the gut microbiota, which plays a role in modulating sensory and motor function. However, existing data are inconsistent, possibly due to complex disease pathophysiology, fluctuation in symptoms, and difficulty characterizing high-resolution taxonomic composition and function of the gut microbiome. RECENT FINDINGS Increasingly, human studies have reported associations between gut microbiome features and colonic motility disorders, such as irritable bowel syndrome and constipation. Several microbial metabolites have been identified as regulators of colonic motility in animal models. Modulation of the gut microbiota via dietary intervention, probiotics, and fecal microbiota transplant is a promising avenue for treatment for these diseases. An integration of longitudinal multi-omics data will facilitate further understanding of the causal effects of dysbiosis on disease. Further understanding of the microbiome-driven mechanisms underlying colonic motility disorders may be leveraged to develop personalized, microbiota-based approaches for disease prevention and treatment.
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Affiliation(s)
- Wenjie Ma
- Clinical and Translational Epidemiology Unit, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States
- Division of Gastroenterology, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, 02114-2696, Boston, MA, United States
| | - David A Drew
- Clinical and Translational Epidemiology Unit, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States
- Division of Gastroenterology, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, 02114-2696, Boston, MA, United States
| | - Kyle Staller
- Clinical and Translational Epidemiology Unit, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States.
- Division of Gastroenterology, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, 02114-2696, Boston, MA, United States.
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15
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Huang P, Cao J, Chen J, Luo Y, Gong X, Wu C, Wang Y. Crosstalk between gut microbiota and renal ischemia/reperfusion injury. Front Cell Infect Microbiol 2022; 12:1015825. [PMID: 36132990 PMCID: PMC9483100 DOI: 10.3389/fcimb.2022.1015825] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Accepted: 08/19/2022] [Indexed: 11/13/2022] Open
Abstract
Renal ischemia-reperfusion injury (IRI) is the main cause of acute kidney injury and the cause of rapid renal dysfunction and high mortality. In recent years, with the gradual deepening of the understanding of the intestinal flora, exploring renal IRI from the perspective of the intestinal flora has become a research hotspot. It is well known that the intestinal flora plays an important role in maintaining human health, and dysbiosis is the change in the composition and function of the intestinal tract, which in turn causes intestinal barrier dysfunction. Studies have shown that there are significant differences in the composition of intestinal flora before and after renal IRI, and this difference is closely related to the occurrence and development of renal IRI and affects prognosis. In addition, toxins produced by dysregulated gut microbes enter the bloodstream, which in turn exacerbates kidney damage. This article reviews the research progress of intestinal flora and renal IRI, in order to provide new treatment ideas and strategies for renal IRI.
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Affiliation(s)
- Peng Huang
- Department of Anesthesiology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Jianwei Cao
- Department of Microscopic Orthopedics of Hand and Foot, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Jingyi Chen
- Department of Anesthesiology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
- *Correspondence: Jingyi Chen, ; Yu Wang, ; Chengyi Wu,
| | - Yanrong Luo
- Physical examination center, Shiyan Hospital of Integrated Traditional and Western Medicine, Shiyan, China
| | - Xiaofang Gong
- Department of Anesthesiology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Chengyi Wu
- Department of Anesthesiology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
- *Correspondence: Jingyi Chen, ; Yu Wang, ; Chengyi Wu,
| | - Yu Wang
- Department of Anesthesiology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
- *Correspondence: Jingyi Chen, ; Yu Wang, ; Chengyi Wu,
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16
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Chen B, Li D, Leng D, Kui H, Bai X, Wang T. Gut microbiota and meat quality. Front Microbiol 2022; 13:951726. [PMID: 36081790 PMCID: PMC9445620 DOI: 10.3389/fmicb.2022.951726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Accepted: 08/08/2022] [Indexed: 11/13/2022] Open
Abstract
Sustainable meat production is important to providing safe and quality protein sources for humans worldwide. Intensive artificial selection and high energy input into the diet of many commercial animals for the last decade has significantly increased the daily gain of body weight and shortened the raising period, but unexpectedly decreased the meat quality. The gastrointestinal tract of animals harbors a diverse and complex microbial community that plays a vital role in the digestion and absorption of nutrients, immune system development, pathogen exclusion, and meat quality. Fatty acid composition and oxidative stress in adipose and muscle tissue influences meat quality in livestock and poultry. Recent studies showed that nutraceuticals are receiving increased attention, which could alter the intestinal microbiota and regulate the fat deposition and immunity of hosts to improve their meat quality. Understanding the microbiota composition, the functions of key bacteria, and the host-microbiota interaction is crucial for the development of knowledge-based strategies to improve both animal meat quality and host health. This paper reviews the microorganisms that affect the meat quality of livestock and poultry. A greater understanding of microbial changes that accompany beneficial dietary changes will lead to novel strategies to improve livestock and poultry meat product quality.
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Affiliation(s)
- Binlong Chen
- College of Animal Science, Xichang University, Xichang, China
| | - Diyan Li
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu, China
- *Correspondence: Diyan Li,
| | - Dong Leng
- Institute of Animal Genetics and Breeding, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, China
| | - Hua Kui
- Institute of Animal Genetics and Breeding, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, China
| | - Xue Bai
- Institute of Animal Genetics and Breeding, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, China
| | - Tao Wang
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu, China
- Tao Wang,
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17
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Zheng X, Zhu Q, Qin M, Zhou Z, Liu C, Wang L, Shi F. The Role of Feeding Characteristics in Shaping Gut Microbiota Composition and Function of Ensifera (Orthoptera). INSECTS 2022; 13:719. [PMID: 36005344 PMCID: PMC9409189 DOI: 10.3390/insects13080719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 08/03/2022] [Accepted: 08/08/2022] [Indexed: 06/15/2023]
Abstract
Feeding habits were the primary factor affecting the gut bacterial communities in Ensifera. However, the interaction mechanism between the gut microbiota and feeding characteristics is not precisely understood. Here, the gut microbiota of Ensifera with diverse feeding habits was analyzed by shotgun metagenomic sequencing to further clarify the composition and function of the gut microbiota and its relationship with feeding characteristics. Our results indicate that under the influence of feeding habits, the gut microbial communities of Ensifera showed specific characteristics. Firstly, the gut microbial communities of the Ensifera with different feeding habits differed significantly, among which the gut microbial diversity of the herbivorous Mecopoda niponensis was the highest. Secondly, the functional genes related to feeding habits were in high abundance. Thirdly, the specific function of the gut microbial species in the omnivorous Gryllotalpa orientalis showed that the more diverse the feeding behavior of Ensifera, the worse the functional specificity related to the feeding characteristics of its gut microbiota. However, feeding habits were not the only factors affecting the gut microbiota of Ensifera. Some microorganisms' genes, whose functions were unrelated to feeding characteristics but were relevant to energy acquisition and nutrient absorption, were detected in high abundance. Our results were the first to report on the composition and function of the gut microbiota of Ensifera based on shotgun metagenomic sequencing and to explore the potential mechanism of the gut microbiota's association with diverse feeding habits.
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Affiliation(s)
- Xiang Zheng
- Key Laboratory of Zoological Systematics and Application of Hebei Province, College of Life Sciences, Hebei University, Baoding 071002, China
- Laboratory of Enzyme Preparation, Hebei Research Institute of Microbiology Co., Ltd., Baoding 071051, China
| | - Qidi Zhu
- Key Laboratory of Zoological Systematics and Application of Hebei Province, College of Life Sciences, Hebei University, Baoding 071002, China
| | - Meng Qin
- Laboratory of Enzyme Preparation, Hebei Research Institute of Microbiology Co., Ltd., Baoding 071051, China
- College of Life Sciences, Hebei Agricultural University, Baoding 071001, China
| | - Zhijun Zhou
- Key Laboratory of Zoological Systematics and Application of Hebei Province, College of Life Sciences, Hebei University, Baoding 071002, China
| | - Chunmao Liu
- Laboratory of Enzyme Preparation, Hebei Research Institute of Microbiology Co., Ltd., Baoding 071051, China
| | - Liyuan Wang
- Laboratory of Enzyme Preparation, Hebei Research Institute of Microbiology Co., Ltd., Baoding 071051, China
| | - Fuming Shi
- Key Laboratory of Zoological Systematics and Application of Hebei Province, College of Life Sciences, Hebei University, Baoding 071002, China
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18
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Mechanisms Underlying Food-Triggered Symptoms in Disorders of Gut-Brain Interactions. Am J Gastroenterol 2022; 117:937-946. [PMID: 35506862 PMCID: PMC9169752 DOI: 10.14309/ajg.0000000000001812] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 04/26/2022] [Indexed: 12/11/2022]
Abstract
There has been a dramatic increase in clinical studies examining the relationship between disorders of gut-brain interactions and symptoms evoked by food ingestion in the upper and lower gastrointestinal tract, but study design is challenging to verify valid endpoints. Consequently, mechanistic studies demonstrating biological relevance, biomarkers and novel therapeutic targets are greatly needed. This review highlights emerging mechanisms related to nutrient sensing and tasting, maldigestion, physical effects with underlying visceral hypersensitivity, allergy and immune mechanisms, food-microbiota interactions and gut-brain signaling, with a focus on patients with functional dyspepsia and irritable bowel syndrome. Many patients suffering from disorders of gut-brain interactions exhibit these mechanism(s) but which ones and which specific properties may vary widely from patient to patient. Thus, in addition to identifying these mechanisms and the need for further studies, biomarkers and novel therapeutic targets are identified that could enable enriched patient groups to be studied in future clinical trials examining the role of food in the generation of gut and non-gut symptoms.
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19
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The Role of Food in Disorders of Gut-Brain Interaction: Introduction to a Rome Foundation Working Group Series. Am J Gastroenterol 2022; 117:935-936. [PMID: 35333780 PMCID: PMC9169757 DOI: 10.14309/ajg.0000000000001744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Accepted: 03/08/2022] [Indexed: 12/11/2022]
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Lyte JM, Koester LR, Daniels KM, Lyte M. Distinct Cecal and Fecal Microbiome Responses to Stress Are Accompanied by Sex- and Diet-Dependent Changes in Behavior and Gut Serotonin. Front Neurosci 2022; 16:827343. [PMID: 35495029 PMCID: PMC9039258 DOI: 10.3389/fnins.2022.827343] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Accepted: 03/07/2022] [Indexed: 11/13/2022] Open
Abstract
Although diet- and stress-induced perturbations in the microbiome (biotic and abiotic factors) associate with changes in host behavior via the microbiota-gut-brain axis, few mechanisms have been identified. The identification of causative pathways by which the microbiome influences host behavior therefore would benefit from the application of evidence-based conceptual frameworks. One such causal framework is microbial endocrinology which is the study of neuroendocrine axes as avenues of bi-directional neurochemical-based host-microbe crosstalk. As such, we investigated the relationship between diet- and stress-induced alterations in behavior, regional gut serotonergic response, and concomitant changes in the cecal and fecal bacterial populations of male and female mice. Our results demonstrate that sex is a dominant factor in determining compositional changes in the gut microbiome in response to stress and diet modifications. Intestinal serotonergic responses to stress were observed in both sexes but dietary modifications uniquely affected region-specific changes in males and females. Likewise, behavioral alterations diverged between male and female mice. Together, these results demonstrate distinct sex-dependent relationships between cecal and fecal bacterial taxa and behavioral- and serotonergic-responses to stress and diet. The present study demonstrates the importance of including both male and female sexes in the examination of the microbiota-gut-brain axis. As different microbial taxa were identified to associate with the behavioral and gut serotonergic responses of male and female mice, certain bacterial species may hold sex-dependent functional relevance for the host. Future investigations seeking to develop microbiome-based strategies to afford host stress resilience should include sex-based differences in the microbiome.
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Affiliation(s)
- Joshua M. Lyte
- Poultry Production and Product Safety Research, Agricultural Research Service, United States Department of Agriculture, Fayetteville, AR, United States
| | - Lucas R. Koester
- Department of Veterinary Microbiology and Preventive Medicine, College of Veterinary Medicine, Iowa State University, Ames, IA, United States
| | - Karrie M. Daniels
- Department of Veterinary Microbiology and Preventive Medicine, College of Veterinary Medicine, Iowa State University, Ames, IA, United States
| | - Mark Lyte
- Department of Veterinary Microbiology and Preventive Medicine, College of Veterinary Medicine, Iowa State University, Ames, IA, United States
- *Correspondence: Mark Lyte, , orcid.org/0000-0001-8512-2581
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21
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Sabater C, Calvete-Torre I, Villamiel M, Moreno FJ, Margolles A, Ruiz L. Vegetable waste and by-products to feed a healthy gut microbiota: Current evidence, machine learning and computational tools to design novel microbiome-targeted foods. Trends Food Sci Technol 2021. [DOI: 10.1016/j.tifs.2021.10.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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22
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Alterations in Gut Microbiome Composition and Function in Irritable Bowel Syndrome and Increased Probiotic Abundance with Daily Supplementation. mSystems 2021; 6:e0121521. [PMID: 34726487 PMCID: PMC8562475 DOI: 10.1128/msystems.01215-21] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Irritable bowel syndrome (IBS) is characterized by abdominal discomfort and irregular bowel movements and stool consistency. As such, the gut microbiome has been posited as being influential for the syndrome. However, identifying microbial features associated with IBS symptom heterogeneity is difficult without large cohorts. Our aim was to identify microbial features associated with IBS and IBS subtypes compared to healthy controls and to determine if a synbiotic supplementation intervention could decrease the proportion of those microbial features. Stool samples from 490 individuals with IBS (including all dominant subtypes) and 122 individuals without IBS were analyzed with metagenomic sequencing. One hundred thirty-four IBS subjects were followed over time while receiving daily synbiotic supplementation, the composition of which varied between participants. IBS participants had significantly lower alpha diversity, an enrichment in Gram-negative bacteria, and a reduction in pathways associated with short-chain fatty acid and vitamin synthesis. Shigella species were significantly associated with IBS, while Eubacterium rectale and Faecalibacterium prausnitzii were associated with healthy controls. Random forest identified unique and overlapping microbial features associated with each IBS subtype. Longitudinal assessment of 134 IBS subjects receiving synbiotic supplements demonstrated a significant difference in microbial features and an increase in probiotic abundance across time. We identified microbial features that differentiate healthy and IBS subtypes. Synbiotic supplementation in IBS subjects did not result in alpha diversity change in the microbiome but did demonstrate changes in microbial features. Future work is needed to determine if the observed microbiome changes are associated with IBS symptom improvement. IMPORTANCE An estimated 35 million people in the United States and 11.5% of the population globally are affected by IBS. Immunity, genetics, environment, diet, small intestinal bacterial overgrowth (SIBO), and the gut microbiome are all factors that contribute to the onset or triggers of IBS. With strong supporting evidence that the gut microbiome may influence symptoms associated with IBS, elucidating the important microbes that contribute to the symptoms and severity is important to make decisions for targeted treatment. As probiotics have become more common in treating IBS symptoms, identifying effective probiotics may help inform future studies and treatment.
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Scarpellini E, Basilico M, Rinninella E, Carbone F, Schol J, Rasetti C, Abenavoli L, Santori P. Probiotics and gut health. Minerva Gastroenterol (Torino) 2021; 67:314-325. [PMID: 33978391 DOI: 10.23736/s2724-5985.21.02910-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
BACKGROUND Gut microbiota is a complex ecosystem of bacteria, viruses, archea, protozoa and yeasts in our intestine. It has several functions maintaining human body equilibrium. Microbial " dysbiosis " can be responsible for several gastrointestinal diseases. METHODS to build a narrative review we performed a Pubmed, Medline, EMBASE search for English language papers, reviews, meta-analyses, case series, and randomized controlled trials (RCTs) by keywords and their associations: gut microbiota, dysbiosis, gastrointestinal diseases, probiotics. RESULTS gut microbiota is altered in several gastrointestinal diseases with very different pathophysiology. They range from multi-factorial diseases such as irritable bowel syndrome (IBS), non-alcoholic fatty liver disease (NAFLD) and gastric and colorectal cancers, immunemediated such as celiac disease, inflammatory bowel diseases (IBD), antibioticrelated such as Clostridium Difficile infection (CDI). Microbial dysbiosis re-modulation by probiotics is feasible and safe in some of them. CONCLUSIONS gut microbial dysbiosis is statistically associated with several gastro-intestinal diseases, affecting their pathophysiology. Its reverse by probiotics has some promising evidences of efficacy.
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Affiliation(s)
- Emidio Scarpellini
- Clinical Nutrition Unit, and Internal Medicine Unit, Madonna del Soccorso General Hospital, San Benedetto del Tronto, Ascoli Piceno, Italy - .,T.A.R.G.I.D., Gasthuisberg University Hospital, KULeuven, Leuven, Belgium -
| | - Martina Basilico
- Clinical Nutrition Unit, and Internal Medicine Unit, Madonna del Soccorso General Hospital, San Benedetto del Tronto, Ascoli Piceno, Italy
| | - Emanuele Rinninella
- Clinical Nutrition Unit, Fondazione Policlinico Universitario A. Gemelli IRCCS, Catholic University of the Sacred Heart, Rome, Italy
| | - Florencia Carbone
- T.A.R.G.I.D., Gasthuisberg University Hospital, KULeuven, Leuven, Belgium
| | - Jolien Schol
- T.A.R.G.I.D., Gasthuisberg University Hospital, KULeuven, Leuven, Belgium
| | - Carlo Rasetti
- Clinical Nutrition Unit, and Internal Medicine Unit, Madonna del Soccorso General Hospital, San Benedetto del Tronto, Ascoli Piceno, Italy
| | - Ludovico Abenavoli
- Department of Health Sciences, University Magna Graecia, Campus Salvatore Venuta, Catanzaro, Italy
| | - Pierangelo Santori
- Clinical Nutrition Unit, and Internal Medicine Unit, Madonna del Soccorso General Hospital, San Benedetto del Tronto, Ascoli Piceno, Italy
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