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Sheng Y, Wang J, Gao Y, Peng Y, Li X, Huang W, Zhou H, Liu R, Zhang W. Combined analysis of cross-population healthy adult human microbiome reveals consistent differences in gut microbial characteristics between Western and non-Western countries. Comput Struct Biotechnol J 2024; 23:87-95. [PMID: 38116074 PMCID: PMC10730331 DOI: 10.1016/j.csbj.2023.11.047] [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: 07/04/2023] [Revised: 11/23/2023] [Accepted: 11/24/2023] [Indexed: 12/21/2023] Open
Abstract
Despite extensive research on the gut microbiome of healthy individuals from a single country, there are still a limited number of population-level comparative studies. Moreover, the sequencing approach used in most related studies involves 16 S ribosomal RNA (rRNA) sequencing with a limited resolution, which cannot provide detailed functional profiles. In the present study, we applied a combined analysis approach to analyze whole metagenomic shotgun sequencing data from 2035 healthy adult samples from six countries across four continents. Analysis of core species revealed that 13 species were present in more than 90 % of all investigated individuals, the majority of which produced short-chain fatty acids (SCFA)-producing bacteria. Our analysis revealed consistently significant differences in gut microbial species and pathways between Western and non-Western countries, such as Escherichia coli and the relation of MetaCyc pathways to the TCA cycle. Specific changes in microbial species and pathways are potentially related to lifestyle and diet. Furthermore, we identified several noteworthy microbial species and pathways that exhibit distinct characteristics specific to China. Interestingly, we observed that China (CHN) was more similar to the United States (USA) and United Kingdom (GBR) in terms of the taxonomic and functional composition of the gut microbiome than India (IND) and Madagascar (MDG), which were more similar to the China (CHN) diet. The current study identified consistent microbial features associated with population and geography, which will inspire further clinical translations that consider paying attention to differences in microbiota backgrounds and confounding factors.
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Affiliation(s)
- Yanghao Sheng
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, China
- Institute of Clinical Pharmacology, Central South University, Changsha, China
- Department of Pharmacy, Xiangya Hospital, Central South University, Changsha, China
- Institute for Rational and Safe Medication Practices, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Jue Wang
- Department of Pharmacy, Xiangya Hospital, Central South University, Changsha, China
- Institute for Rational and Safe Medication Practices, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Yongchao Gao
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, China
- Institute of Clinical Pharmacology, Central South University, Changsha, China
| | - Yilei Peng
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, China
- Institute of Clinical Pharmacology, Central South University, Changsha, China
| | - Xiong Li
- Center for Clinical Precision Pharmacy, School of Clinical Pharmacy, Guangdong Pharmaceutical University, Guangzhou, China
| | - Weihua Huang
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, China
- Institute of Clinical Pharmacology, Central South University, Changsha, China
- Institute for Rational and Safe Medication Practices, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Honghao Zhou
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, China
- Institute of Clinical Pharmacology, Central South University, Changsha, China
- Institute for Rational and Safe Medication Practices, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Rong Liu
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, China
- Institute of Clinical Pharmacology, Central South University, Changsha, China
- Institute for Rational and Safe Medication Practices, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Wei Zhang
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, China
- Institute of Clinical Pharmacology, Central South University, Changsha, China
- Institute for Rational and Safe Medication Practices, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
- Center for Clinical Precision Pharmacy, School of Clinical Pharmacy, Guangdong Pharmaceutical University, Guangzhou, China
- The First Affifiliated Hospital of Shantou University Medical College, Shantou, China
- Key Laboratory of Clinical Precision Pharmacy of Guangdong Higher Education, Institutes, The First Affiliated Hospital, Guangdong Pharmaceutical University, Guangzhou, China
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Overbeek MF, Rutters F, Nieuwdorp M, Davids M, van Valkengoed I, Galenkamp H, van den Born BJ, Beulens JWJ, Muilwijk M. Plasma sphingolipids mediate the association between gut microbiome composition and type 2 diabetes risk in the HELIUS cohort: a case-cohort study. BMJ Open Diabetes Res Care 2024; 12:e004180. [PMID: 39025794 DOI: 10.1136/bmjdrc-2024-004180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Accepted: 07/05/2024] [Indexed: 07/20/2024] Open
Abstract
INTRODUCTION The association between the gut microbiome and incident type 2 diabetes (T2D) is potentially partly mediated through sphingolipids, however these possible mediating mechanisms have not been investigated. We examined whether sphingolipids mediate the association between gut microbiome and T2D, using data from the Healthy Life in an Urban Setting study. RESEARCH DESIGN AND METHODS Participants were of Dutch or South-Asian Surinamese ethnicity, aged 18-70 years, and without T2D at baseline. A case-cohort design (subcohort n=176, cases incident T2D n=36) was used. The exposure was measured by 16S rRNA sequencing (gut microbiome) and mediator by targeted metabolomics (sphingolipids). Dimensionality reduction was achieved by principle component analysis and Shannon diversity. Cox regression and procrustes analyses were used to assess the association between gut microbiome and T2D and sphingolipids and T2D, and between gut microbiome and sphingolipids, respectively. Mediation was tested familywise using mediation analysis with permutation testing and Bonferroni correction. RESULTS Our study confirmed associations between gut microbiome and T2D and sphingolipids and T2D. Additionally, we showed that the gut microbiome was associated with sphingolipids. The association between gut microbiome and T2D was partly mediated by a sphingolipid principal component, which represents a dominance of ceramide species over more complex sphingolipids (HR 1.17; 95% CI 1.08 to 1.28; proportional explained 48%), and by Shannon diversity (HR 0.97; 95% CI 0.95 to 0.99; proportional explained 24.8%). CONCLUSIONS These data suggest that sphingolipids mediate the association between microbiome and T2D risk. Future research is needed to confirm observed findings and elucidate causality on a molecular level.
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Affiliation(s)
- Martin F Overbeek
- Epidemiology and Data Science, Amsterdam UMC Locatie VUmc, Amsterdam, The Netherlands
| | - Femke Rutters
- Department of Epidemiology and Data Science, Amsterdam Public Health Research Institute, Amsterdam UMC Location AMC, Amsterdam, The Netherlands
| | - Max Nieuwdorp
- Vascular Medicine, Amsterdam UMC Locatie AMC, Amsterdam, The Netherlands
| | - Mark Davids
- Internal Medicine, Amsterdam UMC Locatie AMC, Amsterdam, The Netherlands
| | | | - Henrike Galenkamp
- Public Health, Amsterdam UMC Locatie AMC, Amsterdam, The Netherlands
| | | | - Joline W J Beulens
- Epidemiology & Data Science, Amsterdam UMC Locatie VUMC, Amsterdam, The Netherlands
| | - Mirthe Muilwijk
- Epidemiology and Data Science, Amsterdam UMC, Amsterdam, The Netherlands
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Jia Z, Liu X, Liao W. Unraveling the association between gut microbiota and chemotherapy efficacy: a two-sample Mendelian randomization study. Microbiol Spectr 2024:e0394823. [PMID: 38990028 DOI: 10.1128/spectrum.03948-23] [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: 11/16/2023] [Accepted: 06/20/2024] [Indexed: 07/12/2024] Open
Abstract
Emerging evidence has underscored the complex link between gut microbiota and chemotherapy efficacy; however, establishing causality remains elusive due to confounding factors. This study, leveraging bidirectional two-sample Mendelian randomization (MR) analyses, explores the casual relationship between gut microbiota and chemotherapy efficacy. Utilizing genome-wide association study (GWAS) data from the MiBioGen consortium for gut microbiota and IEU Open GWAS for chemotherapy efficacy, we employed genetic variants as instrumental variables (IVs). The inverse variance weighted (IVW) method, weighted median estimator (WME), and MR-Egger regression method were applied, with sensitivity analyses ensuring robustness. Furthermore, we conducted reverse MR analyses between chemotherapy efficacy and identified significant gut microbial taxa. The results indicated that genus Butyricicoccus (OR = 3.7908, 95% CI: 1.4464-9.9350, P = 0.01), Dorea (OR = 3.3295, 95% CI: 1.2794-8.6643, P = 0.01), Hungatella (OR = 2.6284, 95% CI: 1.0548-6.5498, P = 0.04), and Turicibacter (OR = 2.5694, 95% CI: 1.0392-6.3526, P = 0.04) were positively associated with chemotherapy efficacy using the IVW method. Conversely, family Porphyromonadaceae (OR = 0.2283, 95% CI: 0.0699-0.7461, P = 0.01) and genus Eggerthella (OR = 0.4953, 95% CI: 0.2443-1.0043, P = 0.05) exhibited negative associations. WME demonstrated consistent results with IVW method only for genus Eggerthella (OR = 0.3343, 95% CI: 0.1298-0.8610, P = 0.02). No significant heterogeneity or horizontal pleiotropy was observed. Reverse MR analyses revealed no significant causal effect of chemotherapy on identified gut microbiota. This study sheds light on the intricate relationship between gut microbiota, with a particular emphasis on the genus Eggerthella, and chemotherapy efficacy, offering valuable insights for refining cancer treatment strategies.IMPORTANCEGlobal advancements in cancer treatment, particularly in chemotherapy, have notably decreased mortality rates in recent years. However, the correlation between gut microbiota and chemotherapy efficacy remains elusive. Our study, emphasizing the role of genus Eggerthella, represented a crucial advance in elucidating this intricate interplay. The identified associations offer potential therapeutic targets, contributing to global efforts for enhanced treatment precision and improved patient outcomes. Furthermore, our findings hold promise for personalized therapeutic interventions, shaping improved strategies in the ever-evolving landscape of cancer treatment.
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Affiliation(s)
- Zixuan Jia
- Intensive Care Unit, State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Xiufeng Liu
- Biotherapy Center/Melanoma and Sarcoma Medical Oncology, State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Wei Liao
- Intensive Care Unit, State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, China
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De Vos WM, Nguyen Trung M, Davids M, Liu G, Rios-Morales M, Jessen H, Fiedler D, Nieuwdorp M, Bui TPN. Phytate metabolism is mediated by microbial cross-feeding in the gut microbiota. Nat Microbiol 2024; 9:1812-1827. [PMID: 38858593 DOI: 10.1038/s41564-024-01698-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Accepted: 04/04/2024] [Indexed: 06/12/2024]
Abstract
Dietary intake of phytate has various reported health benefits. Previous work showed that the gut microbiota can convert phytate to short-chain fatty acids (SCFAs), but the microbial species and metabolic pathway are unclear. Here we identified Mitsuokella jalaludinii as an efficient phytate degrader, which works synergistically with Anaerostipes rhamnosivorans to produce the SCFA propionate. Analysis of published human gut taxonomic profiles revealed that Mitsuokella spp., in particular M. jalaludinii, are prevalent in human gut microbiomes. NMR spectroscopy using 13C-isotope labelling, metabolomic and transcriptomic analyses identified a complete phytate degradation pathway in M. jalaludinii, including production of the intermediate Ins(2)P/myo-inositol. The major end product, 3-hydroxypropionate, was converted into propionate via a synergistic interaction with Anaerostipes rhamnosivorans both in vitro and in mice. Upon [13C6]phytate administration, various 13C-labelled components were detected in mouse caecum in contrast with the absence of [13C6] InsPs or [13C6]myo-inositol in plasma. Caco-2 cells incubated with co-culture supernatants exhibited improved intestinal barrier integrity. These results suggest that the microbiome plays a major role in the metabolism of this phytochemical and that its fermentation to propionate by M. jalaludinii and A. rhamnosivorans may contribute to phytate-driven health benefits.
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Affiliation(s)
- Willem M De Vos
- Laboratory of Microbiology, Wageningen University, Wageningen, the Netherlands
| | - Minh Nguyen Trung
- Leibniz-Forschungsinstitut für Molekulare Pharmakologie (FMP), Berlin, Germany
- Institute of Chemistry, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Mark Davids
- Departments of Internal and Experimental Vascular Medicine, Amsterdam University Medical Center, Location AMC, Amsterdam, the Netherlands
| | - Guizhen Liu
- Institute of Organic Chemistry & Centre for Integrative Biological Signaling Studies (CIBSS), University of Freiburg, Freiburg, Germany
| | - Melany Rios-Morales
- Departments of Internal and Experimental Vascular Medicine, Amsterdam University Medical Center, Location AMC, Amsterdam, the Netherlands
| | - Henning Jessen
- Institute of Organic Chemistry & Centre for Integrative Biological Signaling Studies (CIBSS), University of Freiburg, Freiburg, Germany
| | - Dorothea Fiedler
- Leibniz-Forschungsinstitut für Molekulare Pharmakologie (FMP), Berlin, Germany
- Institute of Chemistry, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Max Nieuwdorp
- Departments of Internal and Experimental Vascular Medicine, Amsterdam University Medical Center, Location AMC, Amsterdam, the Netherlands
- Department of Surgery, Spaarne Hospital, Hoofddorp, the Netherlands
| | - Thi Phuong Nam Bui
- Laboratory of Microbiology, Wageningen University, Wageningen, the Netherlands.
- Departments of Internal and Experimental Vascular Medicine, Amsterdam University Medical Center, Location AMC, Amsterdam, the Netherlands.
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Mei Z, Wang F, Bhosle A, Dong D, Mehta R, Ghazi A, Zhang Y, Liu Y, Rinott E, Ma S, Rimm EB, Daviglus M, Willett WC, Knight R, Hu FB, Qi Q, Chan AT, Burk RD, Stampfer MJ, Shai I, Kaplan RC, Huttenhower C, Wang DD. Strain-specific gut microbial signatures in type 2 diabetes identified in a cross-cohort analysis of 8,117 metagenomes. Nat Med 2024:10.1038/s41591-024-03067-7. [PMID: 38918632 DOI: 10.1038/s41591-024-03067-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Accepted: 05/14/2024] [Indexed: 06/27/2024]
Abstract
The association of gut microbial features with type 2 diabetes (T2D) has been inconsistent due in part to the complexity of this disease and variation in study design. Even in cases in which individual microbial species have been associated with T2D, mechanisms have been unable to be attributed to these associations based on specific microbial strains. We conducted a comprehensive study of the T2D microbiome, analyzing 8,117 shotgun metagenomes from 10 cohorts of individuals with T2D, prediabetes, and normoglycemic status in the United States, Europe, Israel and China. Dysbiosis in 19 phylogenetically diverse species was associated with T2D (false discovery rate < 0.10), for example, enriched Clostridium bolteae and depleted Butyrivibrio crossotus. These microorganisms also contributed to community-level functional changes potentially underlying T2D pathogenesis, for example, perturbations in glucose metabolism. Our study identifies within-species phylogenetic diversity for strains of 27 species that explain inter-individual differences in T2D risk, such as Eubacterium rectale. In some cases, these were explained by strain-specific gene carriage, including loci involved in various mechanisms of horizontal gene transfer and novel biological processes underlying metabolic risk, for example, quorum sensing. In summary, our study provides robust cross-cohort microbial signatures in a strain-resolved manner and offers new mechanistic insights into T2D.
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Affiliation(s)
- Zhendong Mei
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Fenglei Wang
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Amrisha Bhosle
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Danyue Dong
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Raaj Mehta
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Division of Gastroenterology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Clinical and Translational Epidemiology Unit, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, MA, USA
| | - Andrew Ghazi
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Yancong Zhang
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Yuxi Liu
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Ehud Rinott
- Department of Medicine, Hebrew University and Hadassah Medical Center, Jerusalem, Israel
| | - Siyuan Ma
- Department of Biostatistics, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Eric B Rimm
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, USA
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Martha Daviglus
- Institute for Minority Health Research, University of Illinois Chicago, Chicago, IL, USA
| | - Walter C Willett
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, USA
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Rob Knight
- Center for Microbiome Innovation, Jacobs School of Engineering, 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 Computer Science and Engineering, University of California San Diego, La Jolla, CA, USA
| | - Frank B Hu
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, USA
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Qibin Qi
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, USA
- Department of Epidemiology and Population Health, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Andrew T Chan
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Division of Gastroenterology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Clinical and Translational Epidemiology Unit, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Robert D Burk
- Department of Epidemiology and Population Health, Albert Einstein College of Medicine, Bronx, NY, USA
- Department of Pediatrics, Albert Einstein College of Medicine, Bronx, NY, USA
- Department of Microbiology and Immunology, Albert Einstein College of Medicine, Bronx, NY, USA
- Department of Obstetrics, Gynecology and Women's Health, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Meir J Stampfer
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, USA
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Iris Shai
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, USA
- Faculty of Health Sciences, The Health and Nutrition Innovative International Research Center, Ben-Gurion University of the Negev, Be'er Sheva, Israel
| | - Robert C Kaplan
- Department of Epidemiology and Population Health, Albert Einstein College of Medicine, Bronx, NY, USA
- Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
| | - Curtis Huttenhower
- Broad Institute of MIT and Harvard, Cambridge, MA, USA.
- Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA, USA.
- Department of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, Boston, MA, USA.
- Harvard Chan Microbiome in Public Health Center, Harvard T.H. Chan School of Public Health, Boston, MA, USA.
| | - Dong D Wang
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA.
- Broad Institute of MIT and Harvard, Cambridge, MA, USA.
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, USA.
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van Zundert SKM, van Rossem L, Mirzaian M, Griffioen PH, Willemsen SP, van Schaik RHN, Steegers-Theunissen RPM. Periconceptional Non-medical Maternal Determinants Influence the Tryptophan Metabolism: The Rotterdam Periconceptional Cohort (Predict Study). Int J Tryptophan Res 2024; 17:11786469241257816. [PMID: 38873365 PMCID: PMC11171438 DOI: 10.1177/11786469241257816] [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: 07/21/2023] [Accepted: 05/08/2024] [Indexed: 06/15/2024] Open
Abstract
Background The vital role of the maternal tryptophan (TRP) metabolism in maternal health and pregnancy is well established. However, non-medical maternal determinants influencing the TRP metabolism have been poorly investigated. We hypothesise that periconceptional maternal non-medical determinants alter the TRP metabolism, affecting both kynurenine (KP) and serotonin pathway (SP) metabolite concentrations. Therefore, we investigated the influence of non-medical maternal determinants on the TRP metabolism during the periconception period. Methods About 1916 pregnancies were included from the Rotterdam Periconceptional Cohort between November 2010 and December 2020. Data on periconceptional non-medical maternal determinants were collected through questionnaires. Serum samples were collected at 8.5 (SD = 1.6) weeks of gestation and TRP, kynurenine (KYN), 5-hydroxytryptophan (5-HTP), 5-HT (5-hydroxytryptamine) and 5-hydroxyindole acetic acid (5-HIAA) were determined using validated liquid chromatography (tandem) mass spectrometry. Mixed models were used to determine associations between periconceptional non-medical maternal determinants and these metabolites. Results In total 11 periconceptional non-medical maternal determinants were identified. Protein intake was positively associated with TRP (β = .12, 95% CI = 0.07-0.17), while age, energy intake and body mass index (BMI) (β = -.24, 95% CI = -0.37 to -0.10) were negatively associated with TRP. Age, BMI and total homocysteine were associated with higher KYN, whereas non-western geographical origin was associated with lower KYN (β = -.09, 95% CI = -0.16 to -0.03). Protein intake and total homocysteine (β = .07, 95% CI = 0.03-0.11) had a positive association with 5-HTP, while a negative association was found for energy intake. A non-western geographical origin and drug use were associated with higher 5-HT, and BMI with lower 5-HT (β = -6.32, 95% CI = -10.26 to -2.38). Age was positively associated with 5-HIAA (β = .92, 95% CI = 0.29-1.56), and BMI negatively. Conclusions Periconceptional non-medical maternal determinants, including age, geographical origin, drug use, energy and protein intake, BMI and total homocysteine, influence KP and SP metabolite concentrations.
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Affiliation(s)
- Sofie KM van Zundert
- Department of Obstetrics and Gynaecology, Erasmus MC, University Medical Centre, Rotterdam, The Netherlands
- Department of Clinical Chemistry, Erasmus MC, University Medical Centre, Rotterdam, The Netherlands
| | - Lenie van Rossem
- Department of Obstetrics and Gynaecology, Erasmus MC, University Medical Centre, Rotterdam, The Netherlands
| | - Mina Mirzaian
- Department of Clinical Chemistry, Erasmus MC, University Medical Centre, Rotterdam, The Netherlands
| | - Pieter H Griffioen
- Department of Clinical Chemistry, Erasmus MC, University Medical Centre, Rotterdam, The Netherlands
| | - Sten P Willemsen
- Department of Obstetrics and Gynaecology, Erasmus MC, University Medical Centre, Rotterdam, The Netherlands
- Department of Biostatistics, Erasmus MC, University Medical Centre, Rotterdam, The Netherlands
| | - Ron HN van Schaik
- Department of Clinical Chemistry, Erasmus MC, University Medical Centre, Rotterdam, The Netherlands
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7
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Khan I, Bu R, Ali Z, Iqbal MS, Shi H, Ding L, Hong M. Metagenomics Analysis Reveals the Composition and Functional Differences of Fecal Microbiota in Wild, Farm, and Released Chinese Three-Keeled Pond Turtles ( Mauremys reevesii). Animals (Basel) 2024; 14:1750. [PMID: 38929370 PMCID: PMC11201187 DOI: 10.3390/ani14121750] [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: 04/23/2024] [Revised: 05/29/2024] [Accepted: 05/30/2024] [Indexed: 06/28/2024] Open
Abstract
The intestine of living organisms harbors different microbiota associated with the biological functioning and health of the host and influences the process of ecological adaptation. Here, we studied the intestinal microbiota's composition and functional differences using 16S rRNA and metagenomic analysis in the wild, farm, and released Chinese three-keeled pond turtle (Mauremys reevesii). At the phylum level, Bacteroidota dominated, followed by Firmicutes, Fusobacteriota, and Actinobacteriota in the wild group, but Chloroflexi was more abundant in the farm and released groups. Moreover, Chryseobacterium, Acinetobacter, Comamonas, Sphingobacterium, and Rhodobacter were abundant in the released and farm cohorts, respectively. Cetobacterium, Paraclostridium, Lysobacter, and Leucobacter showed an abundance in the wild group. The Kyoto Encyclopedia of Genes and Genomes (KEGG) database revealed that the relative abundance of most pathways was significantly higher in the wild turtles (carbohydrate metabolism, lipid metabolism, metabolism of cofactors, and vitamins). The comprehensive antibiotic resistance database (CARD) showed that the antibiotic resistance gene (ARG) subtype macB was the most abundant in the farm turtle group, while tetA was higher in the wild turtles, and srpYmcr was higher in the released group. Our findings shed light on the association between the intestinal microbiota of M. reevesii and its habitats and could be useful for tracking habitats to protect and conserve this endangered species.
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Affiliation(s)
- Ijaz Khan
- Key Laboratory of Tropical Island Ecology, Ministry of Education, Hainan Key Laboratory of Tropical Animal and Plant Ecology, College of Life Sciences, Hainan Normal University, Haikou 571158, China; (I.K.); (R.B.)
| | - Rongping Bu
- Key Laboratory of Tropical Island Ecology, Ministry of Education, Hainan Key Laboratory of Tropical Animal and Plant Ecology, College of Life Sciences, Hainan Normal University, Haikou 571158, China; (I.K.); (R.B.)
- College of Marine Science, Guangxi Key Laboratory of Beibu Gulf Biodiversity Conservation, Beibu Gulf University, Qinzhou 535000, China
| | - Zeeshan Ali
- Key Laboratory of Tropical Island Ecology, Ministry of Education, Hainan Key Laboratory of Tropical Animal and Plant Ecology, College of Life Sciences, Hainan Normal University, Haikou 571158, China; (I.K.); (R.B.)
| | - Muhammad Shahid Iqbal
- Key Laboratory of Tropical Island Ecology, Ministry of Education, Hainan Key Laboratory of Tropical Animal and Plant Ecology, College of Life Sciences, Hainan Normal University, Haikou 571158, China; (I.K.); (R.B.)
| | - Haitao Shi
- Key Laboratory of Tropical Island Ecology, Ministry of Education, Hainan Key Laboratory of Tropical Animal and Plant Ecology, College of Life Sciences, Hainan Normal University, Haikou 571158, China; (I.K.); (R.B.)
| | - Li Ding
- Key Laboratory of Tropical Island Ecology, Ministry of Education, Hainan Key Laboratory of Tropical Animal and Plant Ecology, College of Life Sciences, Hainan Normal University, Haikou 571158, China; (I.K.); (R.B.)
| | - Meiling Hong
- Key Laboratory of Tropical Island Ecology, Ministry of Education, Hainan Key Laboratory of Tropical Animal and Plant Ecology, College of Life Sciences, Hainan Normal University, Haikou 571158, China; (I.K.); (R.B.)
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Kullberg RFJ, Wikki I, Haak BW, Kauko A, Galenkamp H, Peters-Sengers H, Butler JM, Havulinna AS, Palmu J, McDonald D, Benchraka C, Abdel-Aziz MI, Prins M, Maitland van der Zee AH, van den Born BJ, Jousilahti P, de Vos WM, Salomaa V, Knight R, Lahti L, Nieuwdorp M, Niiranen T, Wiersinga WJ. Association between butyrate-producing gut bacteria and the risk of infectious disease hospitalisation: results from two observational, population-based microbiome studies. THE LANCET. MICROBE 2024:S2666-5247(24)00079-X. [PMID: 38909617 DOI: 10.1016/s2666-5247(24)00079-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 02/20/2024] [Accepted: 03/14/2024] [Indexed: 06/25/2024]
Abstract
BACKGROUND Microbiota alterations are common in patients hospitalised for severe infections, and preclinical models have shown that anaerobic butyrate-producing gut bacteria protect against systemic infections. However, the relationship between microbiota disruptions and increased susceptibility to severe infections in humans remains unclear. We investigated the relationship between gut microbiota and the risk of future infection-related hospitalisation in two large population-based cohorts. METHODS In this observational microbiome study, gut microbiota were characterised using 16S rRNA gene sequencing in independent population-based cohorts from the Netherlands (HELIUS study; derivation cohort) and Finland (FINRISK 2002 study; validation cohort). HELIUS was conducted in Amsterdam, Netherlands, and included adults (aged 18-70 years at inclusion) who were randomly sampled from the municipality register of Amsterdam. FINRISK 2002 was conducted in six regions in Finland and is a population survey that included a random sample of adults (aged 25-74 years). In both cohorts, participants completed questionnaires, underwent a physical examination, and provided a faecal sample at inclusion (Jan 3, 2013, to Nov 27, 2015, for HELIUS participants and Jan 21 to April 19, 2002, for FINRISK participants. For inclusion in our study, a faecal sample needed to be provided and successfully sequenced, and national registry data needed to be available. Primary predictor variables were microbiota composition, diversity, and relative abundance of butyrate-producing bacteria. Our primary outcome was hospitalisation or mortality due to any infectious disease during 5-7-year follow-up after faecal sample collection, based on national registry data. We examined associations between microbiota and infection risk using microbial ecology and Cox proportional hazards. FINDINGS We profiled gut microbiota from 10 699 participants (4248 [39·7%] from the derivation cohort and 6451 [60·3%] from the validation cohort). 602 (5·6%) participants (152 [3·6%] from the derivation cohort; 450 [7·0%] from the validation cohort) were hospitalised or died due to infections during follow-up. Gut microbiota composition of these participants differed from those without hospitalisation for infections (derivation p=0·041; validation p=0·0002). Specifically, higher relative abundance of butyrate-producing bacteria was associated with a reduced risk of hospitalisation for infections (derivation cohort cause-specific hazard ratio 0·75 [95% CI 0·60-0·94] per 10% increase in butyrate producers, p=0·013; validation cohort 0·86 [0·77-0·96] per 10% increase, p=0·0077). These associations remained unchanged following adjustment for demographics, lifestyle, antibiotic exposure, and comorbidities. INTERPRETATION Gut microbiota composition, specifically colonisation with butyrate-producing bacteria, was associated with protection against hospitalisation for infectious diseases in the general population across two independent European cohorts. Further studies should investigate whether modulation of the microbiome can reduce the risk of severe infections. FUNDING Amsterdam UMC, Porticus, National Institutes of Health, Netherlands Organisation for Health Research and Development (ZonMw), and Leducq Foundation.
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Affiliation(s)
- Robert F J Kullberg
- Center for Experimental and Molecular Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands.
| | - Irina Wikki
- Division of Medicine, Turku University Hospital and University of Turku, Turku, Finland
| | - Bastiaan W Haak
- Center for Experimental and Molecular Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Anni Kauko
- Division of Medicine, Turku University Hospital and University of Turku, Turku, Finland
| | - Henrike Galenkamp
- Department of Public and Occupational Health, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Hessel Peters-Sengers
- Center for Experimental and Molecular Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands; Department of Epidemiology and Data Science, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Joe M Butler
- Center for Experimental and Molecular Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Aki S Havulinna
- Department of Public Health and Welfare, Finnish Institute for Health and Welfare, Helsinki, Finland; Institute for Molecular Medicine Finland, FIMM-HiLIFE, Finland
| | - Joonatan Palmu
- Division of Medicine, Turku University Hospital and University of Turku, Turku, Finland; Department of Public Health and Welfare, Finnish Institute for Health and Welfare, Helsinki, Finland
| | - Daniel McDonald
- Department of Pediatrics, University of California San Diego, San Diego, CA, USA
| | | | - Mahmoud I Abdel-Aziz
- Department of Pulmonary Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Maria Prins
- Department of Infectious Diseases, Public Health Service of Amsterdam, Amsterdam, Netherlands; Department of Internal Medicine, Division of Infectious Diseases, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | | | - Bert-Jan van den Born
- Department of Public and Occupational Health, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands; Department of Internal Medicine, Division of Vascular Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Pekka Jousilahti
- Department of Public Health and Welfare, Finnish Institute for Health and Welfare, Helsinki, Finland
| | - Willem M de Vos
- Laboratory of Microbiology, Wageningen University, Wageningen, Netherlands; Human Microbiome Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Veikko Salomaa
- Department of Public Health and Welfare, Finnish Institute for Health and Welfare, Helsinki, Finland
| | - Rob Knight
- Department of Pediatrics, University of California San Diego, San Diego, CA, USA
| | - Leo Lahti
- Department of Computing, University of Turku, Turku, Finland
| | - Max Nieuwdorp
- Department of Internal Medicine, Division of Vascular Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Teemu Niiranen
- Division of Medicine, Turku University Hospital and University of Turku, Turku, Finland; Department of Public Health and Welfare, Finnish Institute for Health and Welfare, Helsinki, Finland
| | - W Joost Wiersinga
- Center for Experimental and Molecular Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands; Department of Internal Medicine, Division of Infectious Diseases, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
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Nganou-Makamdop K, Douek DC. The Gut and the Translocated Microbiomes in HIV Infection: Current Concepts and Future Avenues. Pathog Immun 2024; 9:168-194. [PMID: 38807656 PMCID: PMC11132393 DOI: 10.20411/pai.v9i1.693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Accepted: 05/03/2024] [Indexed: 05/30/2024] Open
Abstract
It is widely acknowledged that HIV infection results in disruption of the gut's mucosal integrity partly due a profound loss of gastrointestinal CD4+ T cells that are targets of the virus. In addition, systemic inflammation and immune activation that drive disease pathogenesis are reduced but not normalized by antiretroviral therapy (ART). It has long been postulated that through the process of microbial translocation, the gut microbiome acts as a key driver of systemic inflammation and immune recovery in HIV infection. As such, many studies have aimed at characterizing the gut microbiota in order to unravel its influence in people with HIV and have reported an association between various bacterial taxa and inflammation. This review assesses both contra-dictory and consistent findings among several studies in order to clarify the overall mechanisms by which the gut microbiota in adults may influence immune recovery in HIV infection. Independently of the gut microbiome, observations made from analysis of microbial products in the blood provide direct insight into how the translocated microbiome may drive immune recovery. To help better understand strengths and limitations of the findings reported, this review also highlights the numerous factors that can influence microbiome studies, be they experimental methodologies, and host-intrinsic or host-extrinsic factors. Altogether, a fuller understanding of the interplay between the gut microbiome and immunity in HIV infection may contribute to preventive and therapeutic approaches.
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Affiliation(s)
| | - Daniel C. Douek
- Human Immunology Section, Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland
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10
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Kuster R, Staton M. Readsynth: short-read simulation for consideration of composition-biases in reduced metagenome sequencing approaches. BMC Bioinformatics 2024; 25:191. [PMID: 38750423 PMCID: PMC11095026 DOI: 10.1186/s12859-024-05809-3] [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: 01/09/2024] [Accepted: 05/10/2024] [Indexed: 05/19/2024] Open
Abstract
BACKGROUND The application of reduced metagenomic sequencing approaches holds promise as a middle ground between targeted amplicon sequencing and whole metagenome sequencing approaches but has not been widely adopted as a technique. A major barrier to adoption is the lack of read simulation software built to handle characteristic features of these novel approaches. Reduced metagenomic sequencing (RMS) produces unique patterns of fragmentation per genome that are sensitive to restriction enzyme choice, and the non-uniform size selection of these fragments may introduce novel challenges to taxonomic assignment as well as relative abundance estimates. RESULTS Through the development and application of simulation software, readsynth, we compare simulated metagenomic sequencing libraries with existing RMS data to assess the influence of multiple library preparation and sequencing steps on downstream analytical results. Based on read depth per position, readsynth achieved 0.79 Pearson's correlation and 0.94 Spearman's correlation to these benchmarks. Application of a novel estimation approach, fixed length taxonomic ratios, improved quantification accuracy of simulated human gut microbial communities when compared to estimates of mean or median coverage. CONCLUSIONS We investigate the possible strengths and weaknesses of applying the RMS technique to profiling microbial communities via simulations with readsynth. The choice of restriction enzymes and size selection steps in library prep are non-trivial decisions that bias downstream profiling and quantification. The simulations investigated in this study illustrate the possible limits of preparing metagenomic libraries with a reduced representation sequencing approach, but also allow for the development of strategies for producing and handling the sequence data produced by this promising application.
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Affiliation(s)
- Ryan Kuster
- Department of Entomology and Plant Pathology, University of Tennessee, Knoxville, TN, USA.
| | - Margaret Staton
- Department of Entomology and Plant Pathology, University of Tennessee, Knoxville, TN, USA
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11
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Chi R, Li M, Zhang M, Zhang N, Zhang G, Cui L, Ma G. Exploring the Association between Anxiety, Depression, and Gut Microbiota during Pregnancy: Findings from a Pregnancy Cohort Study in Shijiazhuang, Hebei Province, China. Nutrients 2024; 16:1460. [PMID: 38794698 PMCID: PMC11123899 DOI: 10.3390/nu16101460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2024] [Revised: 05/05/2024] [Accepted: 05/08/2024] [Indexed: 05/26/2024] Open
Abstract
Negative emotions and gut microbiota during pregnancy both bear significant public health implications. However, the relationship between them has not been fully elucidated. This study, utilizing data from a pregnancy cohort, employed metagenomic sequencing to elucidate the relationship between anxiety, depression, and gut microbiota's diversity, composition, species, and functional pathways. Data from 87 subjects, spanning 225 time points across early, mid, and late pregnancy, were analyzed. The results revealed that anxiety and depression significantly corresponded to lower alpha diversity (including the Shannon entropy and the Simpson index). Anxiety and depression scores, along with categorical distinctions of anxiety/non-anxiety and depression/non-depression, were found to account for 0.723%, 0.731%, 0.651%, and 0.810% of the variance in gut-microbiota composition (p = 0.001), respectively. Increased anxiety was significantly positively associated with the abundance of Oscillibacter sp. KLE 1745, Oscillibacter sp. PEA192, Oscillibacter sp. KLE 1728, Oscillospiraceae bacterium VE202 24, and Treponema socranskii. A similar association was significantly noted for Oscillibacter sp. KLE 1745 with elevated depression scores. While EC.3.5.3.1: arginase appeared to be higher in the anxious group than in the non-anxious group, vitamin B12-related enzymes appeared to be lower in the depression group than in the non-depression group. The changes were found to be not statistically significant after post-multiple comparison adjustment.
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Affiliation(s)
- Ruixin Chi
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, 38 Xue Yuan Road, Haidian District, Beijing 100191, China; (R.C.); (N.Z.)
| | - Muxia Li
- Department of Scientific Research, Beijing Children’s Hospital, Capital Medical University, National Center for Children’s Health, Beijing 100045, China;
| | - Man Zhang
- School of Nursing, Peking University, 38 Xue Yuan Road, Haidian District, Beijing 100191, China;
| | - Na Zhang
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, 38 Xue Yuan Road, Haidian District, Beijing 100191, China; (R.C.); (N.Z.)
| | - Guohua Zhang
- The Third Department of Obstetrics, Shijiazhuang Obstetrics and Gynecology Hospital, Shijiazhuang 050011, China;
| | - Lijun Cui
- The Seventh Department of Obstetrics, Shijiazhuang Obstetrics and Gynecology Hospital, Shijiazhuang 050011, China;
| | - Guansheng Ma
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, 38 Xue Yuan Road, Haidian District, Beijing 100191, China; (R.C.); (N.Z.)
- Laboratory of Toxicological Research and Risk Assessment for Food Safety, Peking University, 38 Xue Yuan Road, Haidian District, Beijing 100191, China
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Agyemang C, van der Linden EL, Chilunga F, van den Born BH. International Migration and Cardiovascular Health: Unraveling the Disease Burden Among Migrants to North America and Europe. J Am Heart Assoc 2024; 13:e030228. [PMID: 38686900 PMCID: PMC11179927 DOI: 10.1161/jaha.123.030228] [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: 07/03/2023] [Accepted: 12/26/2023] [Indexed: 05/02/2024]
Abstract
Europe and North America are the 2 largest recipients of international migrants from low-resource regions in the world. Here, large differences in cardiovascular disease (CVD) morbidity and death exist between migrants and the host populations. This review discusses the CVD burden and its most important contributors among the largest migrant groups in Europe and North America as well as the consequences of migration to high-income countries on CVD diagnosis and therapy. The available evidence indicates that migrants in Europe and North America generally have a higher CVD risk compared with the host populations. Cardiometabolic, behavioral, and psychosocial factors are important contributors to their increased CVD risk. However, despite these common denominators, there are important ethnic differences in the propensity to develop CVD that relate to pre- and postmigration factors, such as socioeconomic status, cultural factors, lifestyle, psychosocial stress, access to health care and health care usage. Some of these pre- and postmigration environmental factors may interact with genetic (epigenetics) and microbial factors, which further influence their CVD risk. The limited number of prospective cohorts and clinical trials in migrant populations remains an important culprit for better understanding pathophysiological mechanism driving health differences and for developing ethnic-specific CVD risk prediction and care. Only by improved understanding of the complex interaction among human biology, migration-related factors, and sociocultural determinants of health influencing CVD risk will we be able to mitigate these differences and truly make inclusive personalized treatment possible.
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Affiliation(s)
- Charles Agyemang
- Department of Public and Occupational Health, Amsterdam UMCUniversity of Amsterdam, Amsterdam Public Health Research InstituteAmsterdamThe Netherlands
- Division of Endocrinology, Diabetes, and Metabolism, Department of MedicineJohns Hopkins University School of MedicineBaltimoreMDUSA
| | - Eva L. van der Linden
- Department of Public and Occupational Health, Amsterdam UMCUniversity of Amsterdam, Amsterdam Public Health Research InstituteAmsterdamThe Netherlands
- Department of Vascular Medicine, Amsterdam UMCUniversity of Amsterdam, Amsterdam Cardiovascular SciencesAmsterdamThe Netherlands
| | - Felix Chilunga
- Department of Public and Occupational Health, Amsterdam UMCUniversity of Amsterdam, Amsterdam Public Health Research InstituteAmsterdamThe Netherlands
| | - Bert‐Jan H. van den Born
- Department of Public and Occupational Health, Amsterdam UMCUniversity of Amsterdam, Amsterdam Public Health Research InstituteAmsterdamThe Netherlands
- Department of Vascular Medicine, Amsterdam UMCUniversity of Amsterdam, Amsterdam Cardiovascular SciencesAmsterdamThe Netherlands
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Wang S, Kou GJ, Zhao XH, Huang G, Wang JX, Tian L, Zuo XL, Li YQ, Wang JY, Yu YB. Altered mucosal bacteria and metabolomics in patients with Peutz-Jeghers syndrome. Gut Pathog 2024; 16:25. [PMID: 38678229 PMCID: PMC11056063 DOI: 10.1186/s13099-024-00617-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Accepted: 04/19/2024] [Indexed: 04/29/2024] Open
Abstract
BACKGROUND Peutz-Jeghers syndrome (PJS) is a rare genetic disorder characterized by the development of pigmented spots, gastrointestinal polyps and increased susceptibility to cancers. Currently, most studies have investigated intestinal microbiota through fecal microbiota, and there are few reports about mucosa-associated microbiota. It remains valuable to search for the key intestinal microbiota or abnormal metabolic pathways linked to PJS. AIM This study aimed to assess the structure and composition of mucosa-associated microbiota in patients with PJS and to explore the potential influence of intestinal microbiota disorders and metabolite changes on PJS. METHODS The bacterial composition was analyzed in 13 PJS patients and 12 controls using 16S rRNA gene sequencing (Illumina MiSeq) for bacteria. Differential analyses of the intestinal microbiota were performed from the phylum to species level. Liquid chromatography-tandem mass spectrometry (LC‒MS) was used to detect the differentially abundant metabolites of PJS patients and controls to identify different metabolites and metabolic biomarkers of small intestinal mucosa samples. RESULTS High-throughput sequencing confirmed the special characteristics and biodiversity of the mucosa microflora in patients with PJS. They had lower bacterial biodiversity than controls. The abundance of intestinal mucosal microflora was significantly lower than that of fecal microflora. In addition, lipid metabolism, amino acid metabolism, carbohydrate metabolism, nucleotide metabolism and other pathways were significantly different from those of controls, which were associated with the development of the enteric nervous system, intestinal inflammation and development of tumors. CONCLUSION This is the first report on the mucosa-associated microbiota and metabolite profile of subjects with PJS, which may be meaningful to provide a structural basis for further research on intestinal microecology in PJS.
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Affiliation(s)
- Sui Wang
- Department of Respiratory Medicine, The Second Hospital of Shandong University, Jinan, 250033, Shandong, People's Republic of China
| | - Guan-Jun Kou
- Department of Gastroenterology, Qilu Hospital of Shandong University, 107 Wenhuaxi Road, Jinan, 250012, Shandong, People's Republic of China
| | - Xiao-Han Zhao
- Department of Gastroenterology, Qilu Hospital of Shandong University, 107 Wenhuaxi Road, Jinan, 250012, Shandong, People's Republic of China
| | - Gang Huang
- Department of Gastroenterology, Qilu Hospital of Shandong University, 107 Wenhuaxi Road, Jinan, 250012, Shandong, People's Republic of China
| | - Jue-Xin Wang
- Department of Gastroenterology, Qilu Hospital of Shandong University, 107 Wenhuaxi Road, Jinan, 250012, Shandong, People's Republic of China
| | - Lin Tian
- Department of Gastroenterology, Qilu Hospital of Shandong University, 107 Wenhuaxi Road, Jinan, 250012, Shandong, People's Republic of China
| | - Xiu-Li Zuo
- Department of Gastroenterology, Qilu Hospital of Shandong University, 107 Wenhuaxi Road, Jinan, 250012, Shandong, People's Republic of China
| | - Yan-Qing Li
- Department of Gastroenterology, Qilu Hospital of Shandong University, 107 Wenhuaxi Road, Jinan, 250012, Shandong, People's Republic of China
| | - Jia-Yong Wang
- Department of General Surgery, Qilu Hospital of Shandong University, Jinan, 250012, Shandong, People's Republic of China.
| | - Yan-Bo Yu
- Department of Gastroenterology, Qilu Hospital of Shandong University, 107 Wenhuaxi Road, Jinan, 250012, Shandong, People's Republic of China.
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14
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Li B, Zhang B, Zhang F, Liu X, Zhang Y, Peng W, Teng D, Mao R, Yang N, Hao Y, Wang J. Interaction between Dietary Lactoferrin and Gut Microbiota in Host Health. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:7596-7606. [PMID: 38557058 DOI: 10.1021/acs.jafc.3c09050] [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: 04/04/2024]
Abstract
The gut microbiota are known to play an important role in host health and disease. Alterations in the gut microbiota composition can disrupt the stability of the gut ecosystem, which may result in noncommunicable chronic diseases (NCCDs). Remodeling the gut microbiota through personalized nutrition is a novel therapeutic avenue for both disease control and prevention. However, whether there are commonly used gut microbiota-targeted diets and how gut microbiota-diet interactions combat NCCDs and improve health remain questions to be addressed. Lactoferrin (LF), which is broadly used in dietary supplements, acts not only as an antimicrobial in the defense against enteropathogenic bacteria but also as a prebiotic to propagate certain probiotics. Thus, LF-induced gut microbiota alterations can be harnessed to induce changes in host physiology, and the underpinnings of their relationships and mechanisms are beginning to unravel in studies involving humans and animal models.
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Affiliation(s)
- Bing Li
- Institute of Translational Medicine, College of Life Science and Agronomy, Zhoukou Normal University, Zhoukou 466001, Henan, PR China
| | - Bo Zhang
- International Joint Research Laboratory for Biomedical Nanomaterials of Henan, Zhoukou Normal University, Zhoukou 466001, Henan, PR China
| | - Fuli Zhang
- Institute of Translational Medicine, College of Life Science and Agronomy, Zhoukou Normal University, Zhoukou 466001, Henan, PR China
| | - Xiaomeng Liu
- Institute of Translational Medicine, College of Life Science and Agronomy, Zhoukou Normal University, Zhoukou 466001, Henan, PR China
| | - Yunxia Zhang
- Institute of Translational Medicine, College of Life Science and Agronomy, Zhoukou Normal University, Zhoukou 466001, Henan, PR China
| | - Weifeng Peng
- Institute of Translational Medicine, College of Life Science and Agronomy, Zhoukou Normal University, Zhoukou 466001, Henan, PR China
| | - Da Teng
- Gene Engineering Lab, Feed Research Institute, Chinese Academy of Agricultural Science, Beijing 100081, P. R. China
- Key Laboratory of Feed Biotechnology, Ministry of Agriculture and Rural Affairs, Beijing 100081, P. R. China
| | - Ruoyu Mao
- Gene Engineering Lab, Feed Research Institute, Chinese Academy of Agricultural Science, Beijing 100081, P. R. China
- Key Laboratory of Feed Biotechnology, Ministry of Agriculture and Rural Affairs, Beijing 100081, P. R. China
| | - Na Yang
- Gene Engineering Lab, Feed Research Institute, Chinese Academy of Agricultural Science, Beijing 100081, P. R. China
- Key Laboratory of Feed Biotechnology, Ministry of Agriculture and Rural Affairs, Beijing 100081, P. R. China
| | - Ya Hao
- Gene Engineering Lab, Feed Research Institute, Chinese Academy of Agricultural Science, Beijing 100081, P. R. China
- Key Laboratory of Feed Biotechnology, Ministry of Agriculture and Rural Affairs, Beijing 100081, P. R. China
| | - Jianhua Wang
- Gene Engineering Lab, Feed Research Institute, Chinese Academy of Agricultural Science, Beijing 100081, P. R. China
- Key Laboratory of Feed Biotechnology, Ministry of Agriculture and Rural Affairs, Beijing 100081, P. R. China
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15
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Zhu Q, Cui J, Liu S, Wei S, Wu Q, You Y. Synbiotic regulates gut microbiota in patients with lupus nephritis: an analysis using metagenomic and metabolome sequencing. Front Microbiol 2024; 15:1295378. [PMID: 38628865 PMCID: PMC11018942 DOI: 10.3389/fmicb.2024.1295378] [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: 09/18/2023] [Accepted: 03/21/2024] [Indexed: 04/19/2024] Open
Abstract
Objective To investigate the changes in gut microbes and their metabolites after administering synbiotics to patients with new-onset lupus nephritis (LN) treated using a conventional method and provide a theoretical basis for finding new targets for the diagnosis and treatment of LN. Methods In this study, a total of 12 participants were divided into the lupus and synbiotic groups. Stool samples and clinical data were collected before and after treatment for metagenomic, nontargeted metabolomic, and statistical analyses. Results The relative abundances of the pathogenic bacteria Prevotella, Bacteroides, and Enterobacteriaceae_unclassified decreased after synbiotic treatment, whereas the abundances of Actinobacteria and Firmicutes increased. Further, the Firmicutes to Bacteroidetes ratio increased; however, the difference was not statistically significant (p > 0.05). α diversity analysis showed no significant differences in the intestinal microbial richness and diversity index of patients with LN between the groups before and after treatment (p > 0.05). β analysis showed the differences in the community structure between the samples of the two groups before and after treatment. Linear discriminant analysis effect size and receiver operating characteristic curve analyses revealed that Negativicutes (AUC = 0.9722) and Enterobacteriaceae_unclassified (AUC = 0.9722) were the best predictors of the lupus and synbiotic groups, respectively, before and after treatment. Joint analyses revealed that amino acid biosynthesis, aminoacyl-tRNA biosynthesis, purine metabolism, and other metabolic pathways may be involved in the changes in the metabolic function of patients with LN after the addition of synbiotics. Spearman's correlation analysis revealed the interaction between clinical features and flora, and flora exhibited a complex biological network regulatory relationship. Conclusion Synbiotics regulate the metabolic functions of intestinal microorganisms in patients with LN and play a role in various biological functions. Synbiotic supplements may be safe and promising candidates for patients with LN.
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Affiliation(s)
- Qiuyu Zhu
- Department of Nephrology, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, China
| | - Jiuming Cui
- Department of Nephrology, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, China
| | - Sen Liu
- Department of Nephrology, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, China
| | - Suosu Wei
- Department of Scientific Cooperation, Guangxi Academy of Medical Sciences, People’s Hospital of Guangxi Zhuang Autonomous Region, Nanning, China
| | - Qiuxia Wu
- Department of Nephrology, People’s Hospital of Guangxi Zhuang Autonomous Region, Nanning, China
| | - Yanwu You
- Department of Nephrology, People’s Hospital of Guangxi Zhuang Autonomous Region, Nanning, China
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16
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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 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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Vohra A, Karnik R, Desai M, Vyas H, Kulshrestha S, Upadhyay KK, Koringa P, Devkar R. Melatonin-mediated corrective changes in gut microbiota of experimentally chronodisrupted C57BL/6J mice. Chronobiol Int 2024; 41:548-560. [PMID: 38557404 DOI: 10.1080/07420528.2024.2329205] [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: 01/09/2024] [Accepted: 03/06/2024] [Indexed: 04/04/2024]
Abstract
Chronic consumption of a high-calorie diet coupled with an altered sleep-wake cycle causes disruption of circadian clock that can impact the gut microbiome leading to metabolic syndrome and associated diseases. Herein, we investigate the effects of a high fat high fructose diet (H) alone or in combination with photoperiodic shifts induced chronodisruption (CD) on gut microbiota of C57BL/6J male mice. Further, the merits of daily evening intraperitoneal administration of melatonin in restoring gut microbiota are studied herein. Experimental groups viz. H, CD and HCD mice recorded higher levels of serum pro-inflammatory cytokines (TNF-α and IL-6) and lower levels of the anti-inflammatory cytokine, IL-10. These findings correlate with a concomitant increase in the transcripts of TLR4, TNF-α, and IL-6 in small intestine of the said groups. A decrement in mRNA levels of Ocln, ZO-1 and Vdr in these groups implied towards an altered gut permeability. These results were in agreement with the observed decrement in percentage abundance of total gut microflora and Firmicutes: Bacteroidetes (F/B) ratio. Melatonin administration accounted for lower-level inflammation (serum and gut) along with an improvement in gut permeability markers. The total abundance of gut microflora and F/B ratio showed an improvement in all the melatonin-treated groups and the same is the highlight of this study. Taken together, our study is the first to report perturbations in gut microbiota resulting due to a combination of photoperiodic shifts induced CD and a high fat high calorie diet-induced lifestyle disorder. Further, melatonin-mediated rejuvenation of gut microbiome provides prima facie evidence of its role in improving gut dysbiosis that needs a detailed scrutiny.
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Affiliation(s)
- Aliasgar Vohra
- Division of Chronobiology and Metabolic Endocrinology, Department of Zoology, Faculty of Science, The Maharaja Sayajirao University of Baroda, Vadodara, India
- Department of Neurology, School of Medicine, Washington University, St. Louis, Missouri, USA
| | - Rhydham Karnik
- Division of Chronobiology and Metabolic Endocrinology, Department of Zoology, Faculty of Science, The Maharaja Sayajirao University of Baroda, Vadodara, India
- Dr Vikram Sarabhai Institute of Cell and Molecular Biology, Faculty of Science, The Maharaja Sayajirao University of Baroda, Vadodara, India
| | - Mansi Desai
- Department of Animal Biotechnology, College of Veterinary Sciences & A.H., Anand Agricultural University, Anand, India
| | - Hitarthi Vyas
- Department of Internal Medicine, Division of Gastroenterology & Hepatology, University of Michigan Medical School, Ann Arbor, Michigan, USA
| | - Shruti Kulshrestha
- Division of Chronobiology and Metabolic Endocrinology, Department of Zoology, Faculty of Science, The Maharaja Sayajirao University of Baroda, Vadodara, India
| | - Kapil Kumar Upadhyay
- Department of Internal Medicine, Division of Gastroenterology & Hepatology, University of Michigan Medical School, Ann Arbor, Michigan, USA
| | - Prakash Koringa
- Department of Animal Biotechnology, College of Veterinary Sciences & A.H., Anand Agricultural University, Anand, India
| | - Ranjitsinh Devkar
- Division of Chronobiology and Metabolic Endocrinology, Department of Zoology, Faculty of Science, The Maharaja Sayajirao University of Baroda, Vadodara, India
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18
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Balvers M, de Goffau M, van Riel N, van den Born BJ, Galenkamp H, Zwinderman K, Nieuwdorp M, Levin E. Ethnic variations in metabolic syndrome components and their associations with the gut microbiota: the HELIUS study. Genome Med 2024; 16:41. [PMID: 38509598 PMCID: PMC10953122 DOI: 10.1186/s13073-024-01295-7] [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: 10/31/2023] [Accepted: 01/22/2024] [Indexed: 03/22/2024] Open
Abstract
BACKGROUND The occurrence of metabolic syndrome (MetS) and the gut microbiota composition are known to differ across ethnicities yet how these three factors are interwoven is unknown. Also, it is unknown what the relative contribution of the gut microbiota composition is to each MetS component and whether this differs between ethnicities. We therefore determined the occurrence of MetS and its components in the multi-ethnic HELIUS cohort and tested the overall and ethnic-specific associations with the gut microbiota composition. METHODS We included 16,209 treatment naïve participants of the HELIUS study, which were of Dutch, African Surinamese, South-Asian Surinamese, Ghanaian, Turkish, and Moroccan descent to analyze MetS and its components across ethnicities. In a subset (n = 3443), the gut microbiota composition (16S) was associated with MetS outcomes using linear and logistic regression models. RESULTS A differential, often sex-dependent, prevalence of MetS components and their combinations were observed across ethnicities. Increased blood pressure was commonly seen especially in Ghanaians, while South-Asian Surinamese and Turkish had higher MetS rates in general and were characterized by worse lipid-related measures. Regarding the gut microbiota, when ethnic-independent associations were assumed, a higher α-diversity, higher abundance of several ASVs (mostly for waist and triglyceride-related outcomes) and a trophic network of ASVs of Ruminococcaceae, Christensenellaceae, and Methanobrevibacter (RCM) bacteria were associated with better MetS outcomes. Statistically significant ethnic-specific associations were however noticed for α-diversity and the RCM trophic network. Associations were significant in the Dutch but not always in all other ethnicities. In Ghanaians, a higher α-diversity and RCM network abundance showed an aberrant positive association with high blood pressure measures compared to the other ethnicities. Even though adjustment for socioeconomic status-, lifestyle-, and diet-related variables often attenuated the effect size and/or the statistical significance of the ethnic-specific associations, an overall similar pattern across outcomes and ethnicities remained. CONCLUSIONS The occurrence of MetS characteristics among ethnicities is heterogeneous. Both ethnic-independent and ethnic-specific associations were identified between the gut microbiota and MetS outcomes. Across multiple ethnicities, a one-size-fits-all approach may thus be reconsidered in regard to both the definition and/or treatment of MetS and its relation to the gut microbiota.
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Affiliation(s)
- Manon Balvers
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, Amsterdam, The Netherlands
| | - Marcus de Goffau
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, Amsterdam, The Netherlands
- Tytgat Institute for Liver and Intestinal Research, Amsterdam University Medical Centers, Amsterdam, The Netherlands
- HORAIZON Technology BV, Marshallaan 2, Delft, 2625 GZ, The Netherlands
| | - Natal van Riel
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, Amsterdam, The Netherlands
| | - Bert-Jan van den Born
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, Amsterdam, The Netherlands
- Department of Public and Occupational Health and Amsterdam Public Health Research Institute, Amsterdam University Medical Centers, Amsterdam, The Netherlands
| | - Henrike Galenkamp
- Department of Public and Occupational Health and Amsterdam Public Health Research Institute, Amsterdam University Medical Centers, Amsterdam, The Netherlands
| | - Koos Zwinderman
- Department of Clinical Epidemiology and Biostatistics, Amsterdam University Medical Centers, Amsterdam, 1105 AZ, The Netherlands
| | - Max Nieuwdorp
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, Amsterdam, The Netherlands
| | - Evgeni Levin
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, Amsterdam, The Netherlands.
- HORAIZON Technology BV, Marshallaan 2, Delft, 2625 GZ, The Netherlands.
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19
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Huang KD, Amend L, Gálvez EJC, Lesker TR, de Oliveira R, Bielecka A, Blanco-Míguez A, Valles-Colomer M, Ruf I, Pasolli E, Buer J, Segata N, Esser S, Strowig T, Kehrmann J. Establishment of a non-Westernized gut microbiota in men who have sex with men is associated with sexual practices. Cell Rep Med 2024; 5:101426. [PMID: 38366600 PMCID: PMC10982974 DOI: 10.1016/j.xcrm.2024.101426] [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: 04/12/2023] [Revised: 09/07/2023] [Accepted: 01/22/2024] [Indexed: 02/18/2024]
Abstract
The human gut microbiota is influenced by various factors, including health status and environmental conditions, yet considerable inter-individual differences remain unexplained. Previous studies identified that the gut microbiota of men who have sex with men (MSM) is distinct from that of non-MSM. Here, we reveal through species-level microbiota analysis using shotgun metagenomics that the gut microbiota of many MSM with Western origin resembles gut microbial communities of non-Westernized populations. Specifically, MSM gut microbiomes are frequently dominated by members of the Prevotellaceae family, including co-colonization of species from the Segatella copri complex and unknown Prevotellaceae members. Questionnaire-based analysis exploring inter-individual differences in MSM links specific sexual practices to microbiota composition. Moreover, machine learning identifies microbial features associated with sexual activities in MSM. Together, this study shows associations of sexual activities with gut microbiome alterations in MSM, which may have a large impact on population-based microbiota studies.
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Affiliation(s)
- Kun D Huang
- Department of Microbial Immune Regulation, Helmholtz Centre for Infection Research, Braunschweig, Germany
| | - Lena Amend
- Department of Microbial Immune Regulation, Helmholtz Centre for Infection Research, Braunschweig, Germany
| | - Eric J C Gálvez
- Department of Microbial Immune Regulation, Helmholtz Centre for Infection Research, Braunschweig, Germany; Hannover Medical School, Hannover, Germany; Roche Pharma Research and Early Development, Roche Innovation Center, Basel, Switzerland
| | - Till-Robin Lesker
- Department of Microbial Immune Regulation, Helmholtz Centre for Infection Research, Braunschweig, Germany
| | - Romulo de Oliveira
- Department of Microbial Immune Regulation, Helmholtz Centre for Infection Research, Braunschweig, Germany
| | - Agata Bielecka
- Department of Microbial Immune Regulation, Helmholtz Centre for Infection Research, Braunschweig, Germany
| | | | - Mireia Valles-Colomer
- Department CIBIO, University of Trento, Trento, Italy; Department of Medicine and Life Sciences, University Pompeu Fabra, Barcelona, Spain
| | - Isabel Ruf
- Institute of Medical Microbiology, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Edoardo Pasolli
- Department of Agricultural Sciences, University of Naples, Naples, Italy
| | - Jan Buer
- Institute of Medical Microbiology, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Nicola Segata
- Department CIBIO, University of Trento, Trento, Italy
| | - Stefan Esser
- Department of Dermatology and Venerology, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Till Strowig
- Department of Microbial Immune Regulation, Helmholtz Centre for Infection Research, Braunschweig, Germany; Hannover Medical School, Hannover, Germany; Centre for Individualized Infection Medicine, Hannover, Germany.
| | - Jan Kehrmann
- Institute of Medical Microbiology, University Hospital Essen, University of Duisburg-Essen, Essen, Germany.
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20
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Hao Z, Ding X, Wang J. Effects of gut bacteria and their metabolites on gut health of animals. ADVANCES IN APPLIED MICROBIOLOGY 2024; 127:223-252. [PMID: 38763528 DOI: 10.1016/bs.aambs.2024.02.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2024]
Abstract
The intestine tract is a vital site for the body to acquire nutrients, serving as the largest immune organ. Intestinal health is crucial for maintaining a normal physiological state. Abundant microorganisms reside in the intestine, colonized in a symbiotic manner. These microorganisms can generate various metabolites that influence host physiological activities. Microbial metabolites serve as signaling molecules or metabolic substrates in the intestine, and some intestinal microorganisms act as probiotics and promote intestinal health. Researches on host, probiotics, microbial metabolites and their interactions are ongoing. This study reviews the effects of gut bacteria and their metabolites on intestinal health to provide useful references for animal husbandry.
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Affiliation(s)
- Zhuang Hao
- College of Animal Science and Technology, Nanjing Agricultural University, National Center for International Research on Animal Gut Nutrition, Nanjing, Jiangsu, P.R. China
| | - Xuedong Ding
- College of Animal Science and Technology, Nanjing Agricultural University, National Center for International Research on Animal Gut Nutrition, Nanjing, Jiangsu, P.R. China
| | - Jing Wang
- College of Animal Science and Technology, Nanjing Agricultural University, National Center for International Research on Animal Gut Nutrition, Nanjing, Jiangsu, P.R. China.
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21
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Xu YX, Liu LD, Zhu JY, Zhu SS, Ye BQ, Yang JL, Huang JY, Huang ZH, You Y, Li WK, He JL, Xia M, Liu Y. Alistipes indistinctus-derived hippuric acid promotes intestinal urate excretion to alleviate hyperuricemia. Cell Host Microbe 2024; 32:366-381.e9. [PMID: 38412863 DOI: 10.1016/j.chom.2024.02.001] [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: 10/09/2023] [Revised: 01/10/2024] [Accepted: 02/02/2024] [Indexed: 02/29/2024]
Abstract
Hyperuricemia induces inflammatory arthritis and accelerates the progression of renal and cardiovascular diseases. Gut microbiota has been linked to the development of hyperuricemia through unclear mechanisms. Here, we show that the abundance and centrality of Alistipes indistinctus are depleted in subjects with hyperuricemia. Integrative metagenomic and metabolomic analysis identified hippuric acid as the key microbial effector that mediates the uric-acid-lowering effect of A. indistinctus. Mechanistically, A. indistinctus-derived hippuric acid enhances the binding of peroxisome-proliferator-activated receptor γ (PPARγ) to the promoter of ATP-binding cassette subfamily G member 2 (ABCG2), which in turn boosts intestinal urate excretion. To facilitate this enhanced excretion, hippuric acid also promotes ABCG2 localization to the brush border membranes in a PDZ-domain-containing 1 (PDZK1)-dependent manner. These findings indicate that A. indistinctus and hippuric acid promote intestinal urate excretion and offer insights into microbiota-host crosstalk in the maintenance of uric acid homeostasis.
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Affiliation(s)
- Ying-Xi Xu
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, and Department of Statistics and Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou 510080, Guangdong, P.R. China
| | - Lu-Di Liu
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, and Department of Statistics and Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou 510080, Guangdong, P.R. China
| | - Jiang-Yuan Zhu
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, and Department of Nutrition, School of Public Health, Sun Yat-sen University, Guangzhou 510080, Guangdong, P.R. China
| | - Shan-Shan Zhu
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, and Department of Nutrition, School of Public Health, Sun Yat-sen University, Guangzhou 510080, Guangdong, P.R. China
| | - Bing-Qi Ye
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, and Department of Statistics and Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou 510080, Guangdong, P.R. China
| | - Jia-Lu Yang
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, and Department of Nutrition, School of Public Health, Sun Yat-sen University, Guangzhou 510080, Guangdong, P.R. China
| | - Jing-Yi Huang
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, and Department of Nutrition, School of Public Health, Sun Yat-sen University, Guangzhou 510080, Guangdong, P.R. China
| | - Zhi-Hao Huang
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, and Department of Nutrition, School of Public Health, Sun Yat-sen University, Guangzhou 510080, Guangdong, P.R. China
| | - Yi You
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, and Department of Nutrition, School of Public Health, Sun Yat-sen University, Guangzhou 510080, Guangdong, P.R. China
| | - Wen-Kang Li
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, and Department of Nutrition, School of Public Health, Sun Yat-sen University, Guangzhou 510080, Guangdong, P.R. China
| | - Jia-Lin He
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, and Department of Nutrition, School of Public Health, Sun Yat-sen University, Guangzhou 510080, Guangdong, P.R. China
| | - Min Xia
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, and Department of Nutrition, School of Public Health, Sun Yat-sen University, Guangzhou 510080, Guangdong, P.R. China
| | - Yan Liu
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, and Department of Nutrition, School of Public Health, Sun Yat-sen University, Guangzhou 510080, Guangdong, P.R. China.
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22
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Carson TL, Byrd DA, Smith KS, Carter D, Gomez M, Abaskaron M, Little RB, Holmes ST, van Der Pol WJ, Lefkowitz EJ, Morrow CD, Fruge AD. A case-control study of the association between the gut microbiota and colorectal cancer: exploring the roles of diet, stress, and race. Gut Pathog 2024; 16:13. [PMID: 38468325 PMCID: PMC10929127 DOI: 10.1186/s13099-024-00608-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Accepted: 02/29/2024] [Indexed: 03/13/2024] Open
Abstract
BACKGROUND The gut microbiota is associated with risk for colorectal cancer (CRC), a chronic disease for which racial disparities persist with Black Americans having a higher risk of CRC incidence and mortality compared to other groups. Given documented racial differences, the gut microbiota may offer some insight into previously unexplained racial disparities in CRC incidence and mortality. A case-control analysis comparing 11 women newly diagnosed with CRC with 22 cancer-free women matched on age, BMI, and race in a 1:2 ratio was conducted. Information about participants' diet and perceived stress levels were obtained via 24-h Dietary Recall and Perceived Stress Scale-10 survey, respectively. Participants provided stool samples from which microbial genomic DNA was extracted to reveal the abundance of 26 genera chosen a priori based on their previously observed relevance to CRC, anxiety symptoms, and diet. RESULTS Significantly lower alpha diversity was observed among cancer-free Black women compared to all other race-cancer status combinations. No group differences were observed when comparing beta diversity. Non-Hispanic White CRC cases tended to have higher relative abundance of Fusobacteria, Gemellaceae, and Peptostreptococcus compared to all other race-cancer combination groups. Perceived stress was inversely associated with alpha diversity and was associated with additional genera. CONCLUSIONS Our findings suggest that microbiome-CRC associations may differ by racial group. Additional large, racially diverse population-based studies are needed to determine if previously identified associations between characteristics of the gut microbiome and CRC are generalizable to Black women and other racial, ethnic, and gender groups.
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Affiliation(s)
- Tiffany L Carson
- Moffitt Cancer Center, 12902 Magnolia Drive, Tampa, FL, 33612, USA.
| | - Doratha A Byrd
- Moffitt Cancer Center, 12902 Magnolia Drive, Tampa, FL, 33612, USA
| | - Kristen S Smith
- Moffitt Cancer Center, 12902 Magnolia Drive, Tampa, FL, 33612, USA
| | - Daniel Carter
- Auburn University, 1161 W. Samford Avenue, Auburn, AL, 36849, USA
| | - Maria Gomez
- Moffitt Cancer Center, 12902 Magnolia Drive, Tampa, FL, 33612, USA
| | | | - Rebecca B Little
- University of Alabama at Birmingham, 1720 2nd Avenue South, Birmingham, AL, 35294, USA
| | | | - William J van Der Pol
- University of Alabama at Birmingham, 1720 2nd Avenue South, Birmingham, AL, 35294, USA
| | - Elliot J Lefkowitz
- University of Alabama at Birmingham, 1720 2nd Avenue South, Birmingham, AL, 35294, USA
| | - Casey D Morrow
- University of Alabama at Birmingham, 1720 2nd Avenue South, Birmingham, AL, 35294, USA
| | - Andrew D Fruge
- Auburn University, 1161 W. Samford Avenue, Auburn, AL, 36849, USA
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23
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Nayman EI, Schwartz BA, Polmann M, Gumabong AC, Nieuwdorp M, Cickovski T, Mathee K. Differences in gut microbiota between Dutch and South-Asian Surinamese: potential implications for type 2 diabetes mellitus. Sci Rep 2024; 14:4585. [PMID: 38403716 PMCID: PMC10894869 DOI: 10.1038/s41598-024-54769-4] [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: 10/08/2023] [Accepted: 02/16/2024] [Indexed: 02/27/2024] Open
Abstract
Gut microbiota, or the collection of diverse microorganisms in a specific ecological niche, are known to significantly impact human health. Decreased gut microbiota production of short-chain fatty acids (SCFAs) has been implicated in type 2 diabetes mellitus (T2DM) disease progression. Most microbiome studies focus on ethnic majorities. This study aims to understand how the microbiome differs between an ethnic majority (the Dutch) and minority (the South-Asian Surinamese (SAS)) group with a lower and higher prevalence of T2DM, respectively. Microbiome data from the Healthy Life in an Urban Setting (HELIUS) cohort were used. Two age- and gender-matched groups were compared: the Dutch (n = 41) and SAS (n = 43). Microbial community compositions were generated via DADA2. Metrics of microbial diversity and similarity between groups were computed. Biomarker analyses were performed to determine discriminating taxa. Bacterial co-occurrence networks were constructed to examine ecological patterns. A tight microbiota cluster was observed in the Dutch women, which overlapped with some of the SAS microbiota. The Dutch gut contained a more interconnected microbial ecology, whereas the SAS network was dispersed, i.e., contained fewer inter-taxonomic correlational relationships. Bacteroides caccae, Butyricicoccus, Alistipes putredinis, Coprococcus comes, Odoribacter splanchnicus, and Lachnospira were enriched in the Dutch gut. Haemophilus, Bifidobacterium, and Anaerostipes hadrus discriminated the SAS gut. All but Lachnospira and certain strains of Haemophilus are known to produce SCFAs. The Dutch gut microbiome was distinguished from the SAS by diverse, differentially abundant SCFA-producing taxa with significant cooperation. The dynamic ecology observed in the Dutch was not detected in the SAS. Among several potential gut microbial biomarkers, Haemophilus parainfluenzae likely best characterizes the ethnic minority group, which is more predisposed to T2DM. The higher prevalence of T2DM in the SAS may be associated with the gut dysbiosis observed.
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Affiliation(s)
- Eric I Nayman
- Department of Human and Molecular Genetics, Herbert Wertheim College of Medicine, Florida International University, Miami, FL, USA.
- Bioinformatics Research Group, Knight Foundation School of Computing and Information Sciences, College of Engineering and Computing, Florida International University, Miami, FL, USA.
| | - Brooke A Schwartz
- Department of Human and Molecular Genetics, Herbert Wertheim College of Medicine, Florida International University, Miami, FL, USA
- Bioinformatics Research Group, Knight Foundation School of Computing and Information Sciences, College of Engineering and Computing, Florida International University, Miami, FL, USA
| | - Michaela Polmann
- Department of Human and Molecular Genetics, Herbert Wertheim College of Medicine, Florida International University, Miami, FL, USA
| | - Alayna C Gumabong
- Department of Human and Molecular Genetics, Herbert Wertheim College of Medicine, Florida International University, Miami, FL, USA
- Bioinformatics Research Group, Knight Foundation School of Computing and Information Sciences, College of Engineering and Computing, Florida International University, Miami, FL, USA
| | - Max Nieuwdorp
- Amsterdam Diabetes Center, Department of Internal Medicine, Academic Medical Center, VU University Medical Center, Amsterdam, The Netherlands
| | - Trevor Cickovski
- Bioinformatics Research Group, Knight Foundation School of Computing and Information Sciences, College of Engineering and Computing, Florida International University, Miami, FL, USA.
| | - Kalai Mathee
- Department of Human and Molecular Genetics, Herbert Wertheim College of Medicine, Florida International University, Miami, FL, USA.
- Biomolecular Sciences Institute, Florida International University, Miami, FL, USA.
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24
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Mansour S, Alkhaaldi SMI, Sammanasunathan AF, Ibrahim S, Farhat J, Al-Omari B. Precision Nutrition Unveiled: Gene-Nutrient Interactions, Microbiota Dynamics, and Lifestyle Factors in Obesity Management. Nutrients 2024; 16:581. [PMID: 38474710 DOI: 10.3390/nu16050581] [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: 12/30/2023] [Revised: 02/05/2024] [Accepted: 02/18/2024] [Indexed: 03/14/2024] Open
Abstract
BACKGROUND Obesity is a complex metabolic disorder that is associated with several diseases. Recently, precision nutrition (PN) has emerged as a tailored approach to provide individualised dietary recommendations. AIM This review discusses the major intrinsic and extrinsic components considered when applying PN during the management of obesity and common associated chronic conditions. RESULTS The review identified three main PN components: gene-nutrient interactions, intestinal microbiota, and lifestyle factors. Genetic makeup significantly contributes to inter-individual variations in dietary behaviours, with advanced genome sequencing and population genetics aiding in detecting gene variants associated with obesity. Additionally, PN-based host-microbiota evaluation emerges as an advanced therapeutic tool, impacting disease control and prevention. The gut microbiome's composition regulates diverse responses to nutritional recommendations. Several studies highlight PN's effectiveness in improving diet quality and enhancing adherence to physical activity among obese patients. PN is a key strategy for addressing obesity-related risk factors, encompassing dietary patterns, body weight, fat, blood lipids, glucose levels, and insulin resistance. CONCLUSION PN stands out as a feasible tool for effectively managing obesity, considering its ability to integrate genetic and lifestyle factors. The application of PN-based approaches not only improves current obesity conditions but also holds promise for preventing obesity and its associated complications in the long term.
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Affiliation(s)
- Samy Mansour
- College of Medicine and Health Sciences, Khalifa University of Science and Technology, Abu Dhabi P.O. Box 127788, United Arab Emirates
| | - Saif M I Alkhaaldi
- College of Medicine and Health Sciences, Khalifa University of Science and Technology, Abu Dhabi P.O. Box 127788, United Arab Emirates
| | - Ashwin F Sammanasunathan
- College of Medicine and Health Sciences, Khalifa University of Science and Technology, Abu Dhabi P.O. Box 127788, United Arab Emirates
| | - Saleh Ibrahim
- College of Medicine and Health Sciences, Khalifa University of Science and Technology, Abu Dhabi P.O. Box 127788, United Arab Emirates
- Institute of Experimental Dermatology, University of Lübeck, Ratzeburger Allee 160, 23538 Lübeck, Germany
| | - Joviana Farhat
- Department of Public Health and Epidemiology, College of Medicine and Health Sciences, Khalifa University of Science and Technology, Abu Dhabi P.O. Box 127788, United Arab Emirates
| | - Basem Al-Omari
- Department of Public Health and Epidemiology, College of Medicine and Health Sciences, Khalifa University of Science and Technology, Abu Dhabi P.O. Box 127788, United Arab Emirates
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25
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Raju SC, Molinaro A, Awoyemi A, Jørgensen SF, Braadland PR, Nendl A, Seljeflot I, Ueland PM, McCann A, Aukrust P, Vestad B, Mayerhofer C, Broch K, Gullestad L, Lappegård KT, Halvorsen B, Kristiansen K, Hov JR, Trøseid M. Microbial-derived imidazole propionate links the heart failure-associated microbiome alterations to disease severity. Genome Med 2024; 16:27. [PMID: 38331891 PMCID: PMC10854170 DOI: 10.1186/s13073-024-01296-6] [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: 10/18/2023] [Accepted: 01/23/2024] [Indexed: 02/10/2024] Open
Abstract
BACKGROUND Interactions between the gut microbiota, diet, and host metabolism contribute to the development of cardiovascular disease, but a firm link between disease-specific gut microbiota alterations and circulating metabolites is lacking. METHODS We performed shot-gun sequencing on 235 samples from 166 HF patients and 69 healthy control samples. Separate plasma samples from healthy controls (n = 53) were used for the comparison of imidazole propionate (ImP) levels. Taxonomy and functional pathways for shotgun sequencing data was assigned using MetaPhlAn3 and HUMAnN3 pipelines. RESULTS Here, we show that heart failure (HF) is associated with a specific compositional and functional shift of the gut microbiota that is linked to circulating levels of the microbial histidine-derived metabolite ImP. Circulating ImP levels are elevated in chronic HF patients compared to controls and associated with HF-related gut microbiota alterations. Contrary to the microbiota composition, ImP levels provide insight into etiology and severity of HF and also associate with markers of intestinal permeability and systemic inflammation. CONCLUSIONS Our findings establish a connection between changes in the gut microbiota, the presence, etiology, and severity of HF, and the gut-microbially produced metabolite ImP. While ImP appears promising as a circulating biomarker reflecting gut dysbiosis related to HF, further studies are essential to demonstrate its causal or contributing role in HF pathogenesis. TRIAL REGISTRATION NCT02637167, registered December 22, 2015.
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Affiliation(s)
- Sajan C Raju
- Research Institute of Internal Medicine, Oslo University Hospital Rikshospitalet, Oslo, Norway
- Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway
| | - Antonio Molinaro
- Research Institute of Internal Medicine, Oslo University Hospital Rikshospitalet, Oslo, Norway
- Department of Medicine, Sahlgrenska University Hospital, Gothenburg, Sweden
- Department of Transplantation Medicine, Norwegian PSC Research Center, Oslo University Hospital Rikshospitalet, Oslo, Norway
| | - Ayodeji Awoyemi
- Department of Cardiology, Oslo University Hospital Ullevål, Oslo, Norway
- Center for Clinical Heart Research, Oslo University Hospital Ullevål, Oslo, Norway
| | - Silje F Jørgensen
- Research Institute of Internal Medicine, Oslo University Hospital Rikshospitalet, Oslo, Norway
- Section of Clinical Immunology and Infectious Diseases, Oslo University Hospital Rikshospitalet, Oslo, Norway
| | - Peder R Braadland
- Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway
- Department of Transplantation Medicine, Norwegian PSC Research Center, Oslo University Hospital Rikshospitalet, Oslo, Norway
| | - Andraz Nendl
- Department of Cardiology, Oslo University Hospital Ullevål, Oslo, Norway
- Center for Clinical Heart Research, Oslo University Hospital Ullevål, Oslo, Norway
| | - Ingebjørg Seljeflot
- Department of Cardiology, Oslo University Hospital Ullevål, Oslo, Norway
- Center for Clinical Heart Research, Oslo University Hospital Ullevål, Oslo, Norway
| | | | | | - Pål Aukrust
- Research Institute of Internal Medicine, Oslo University Hospital Rikshospitalet, Oslo, Norway
- Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway
- Section of Clinical Immunology and Infectious Diseases, Oslo University Hospital Rikshospitalet, Oslo, Norway
| | - Beate Vestad
- Research Institute of Internal Medicine, Oslo University Hospital Rikshospitalet, Oslo, Norway
- Department of Transplantation Medicine, Norwegian PSC Research Center, Oslo University Hospital Rikshospitalet, Oslo, Norway
| | - Cristiane Mayerhofer
- Research Institute of Internal Medicine, Oslo University Hospital Rikshospitalet, Oslo, Norway
| | - Kaspar Broch
- Department of Cardiology, Oslo University Hospital Rikshospitalet, Oslo, Norway
| | - Lars Gullestad
- Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway
- Department of Cardiology, Oslo University Hospital Rikshospitalet, Oslo, Norway
| | - Knut T Lappegård
- Division of Internal Medicine, Nordlandssykehuset, 8005, Bodø, Norway
- Institute of Clinical Medicine, University of Tromsø, 9037, Tromsø, Norway
| | - Bente Halvorsen
- Research Institute of Internal Medicine, Oslo University Hospital Rikshospitalet, Oslo, Norway
- Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway
| | - Karsten Kristiansen
- BGI-Shenzhen, Shenzhen, 518083, China
- Laboratory of Genomics and Molecular Biomedicine, Department of Biology, University of Copenhagen, 2100, Copenhagen, Denmark
| | - Johannes R Hov
- Research Institute of Internal Medicine, Oslo University Hospital Rikshospitalet, Oslo, Norway
- Department of Transplantation Medicine, Norwegian PSC Research Center, Oslo University Hospital Rikshospitalet, Oslo, Norway
- Section of Gastroenterology, Department of Transplantation Medicine, Oslo University Hospital, Oslo, Norway
| | - Marius Trøseid
- Research Institute of Internal Medicine, Oslo University Hospital Rikshospitalet, Oslo, Norway.
- Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway.
- Section of Clinical Immunology and Infectious Diseases, Oslo University Hospital Rikshospitalet, Oslo, Norway.
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26
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Liu S, Li F, Cai Y, Ren L, Sun L, Gang X, Wang G. Unraveling the mystery: a Mendelian randomized exploration of gut microbiota and different types of obesity. Front Cell Infect Microbiol 2024; 14:1352109. [PMID: 38375360 PMCID: PMC10875079 DOI: 10.3389/fcimb.2024.1352109] [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: 12/07/2023] [Accepted: 01/23/2024] [Indexed: 02/21/2024] Open
Abstract
Background Numerous studies have demonstrated the influence of gut microbiota on the development of obesity. In this study, we utilized Mendelian randomization (MR) analysis to investigate the gut microbiota characteristics among different types of obese patients, aiming to elucidate the underlying mechanisms and provide novel insights for obesity treatment. Methods Two-sample multivariable Mendelian randomization (MR) analysis was employed to assess causal relationships between gut microbiota and various obesity subtypes. Gut microbiota data were obtained from the international consortium MiBioGen, and data on obese individuals were sourced from the Finnish National Biobank FinnGen. Eligible single-nucleotide polymorphisms (SNPs) were selected as instrumental variables. Various analytical methods, including inverse variance weighted (IVW), MR-Egger regression, weighted median, MR-RAPS, and Lasso regression, were applied. Sensitivity analyses for quality control included MR-Egger intercept tests, Cochran's Q tests, and leave-one-out analyses and others. Results Mendelian randomization studies revealed distinct gut microbiota profiles among European populations with different obesity subtypes. Following multivariable MR analysis, we found that Ruminococcaceae UCG010 [Odds Ratio (OR): 0.842, 95% confidence interval (CI): 0.766-0.926, Adjusted P value: 0.028] independently reduced the risk of obesity induced by excessive calorie intake, while Butyricimonas [OR: 4.252, 95% CI: 2.177-8.307, Adjusted P value: 0.002] independently increased the risk of medication-induced obesity. For localized adiposity, Pasteurellaceae [OR: 0.213, 95% CI: 0.115-0.395, Adjusted P value: <0.001] acted as a protective factor. In the case of extreme obesity with alveolar hypoventilation, lactobacillus [OR: 0.724, 95% CI: 0.609-0.860, Adjusted P value: 0.035] reduced the risk of its occurrence. Additionally, six gut microbiota may have potential roles in the onset of different types of obesity. Specifically, the Ruminococcus torques group may increase the risk of its occurrence. Desulfovibrio and Catenabacterium may serve as protective factors in the onset of Drug-induced obesity. Oxalobacteraceae, Actinomycetaceae, and Ruminiclostridium 9, on the other hand, could potentially increase the risk of Drug-induced obesity. No evidence of heterogeneity or horizontal pleiotropy among SNPs was found in the above studies (all P values for Q test and MR-Egger intercept > 0.05). Conclusion Gut microbiota abundance is causally related to obesity, with distinct gut microbiota profiles observed among different obesity subtypes. Four bacterial species, including Ruminococcaceae UCG010, Butyricimonas, Pasteurellaceae and lactobacillus independently influence the development of various types of obesity. Probiotic and prebiotic supplementation may represent a novel approach in future obesity management.
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Affiliation(s)
- Siyuan Liu
- Department of Endocrinology and Metabolism, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Fan Li
- Department of Gastroenterology, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Yunjia Cai
- Department of Endocrinology and Metabolism, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Linan Ren
- Department of Endocrinology and Metabolism, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Lin Sun
- Department of Endocrinology and Metabolism, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Xiaokun Gang
- Department of Endocrinology and Metabolism, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Guixia Wang
- Department of Endocrinology and Metabolism, The First Hospital of Jilin University, Changchun, Jilin, China
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Shen Y, Yu X, Wang Q, Yao X, Lu D, Zhou D, Wang X. Association between primary Sjögren's syndrome and gut microbiota disruption: a systematic review and meta-analysis. Clin Rheumatol 2024; 43:603-619. [PMID: 37682372 DOI: 10.1007/s10067-023-06754-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 08/02/2023] [Accepted: 08/18/2023] [Indexed: 09/09/2023]
Abstract
Evidence of gut microbiota disruption for numerous autoimmune diseases has accumulated. Recently, the relationship between the microbiota and primary Sjögren's disease has been increasingly investigated but has yet to be systematically elucidated. Therefore, a meta-analysis of publications dealing on topic was conducted. Case-control studies comparing primary Sjögren's syndrome patients and healthy controls (HCs) were systematically searched in nine databases from inception to March 1, 2023. The primary result quantitatively evaluated in this meta-analysis was the α-diversity. The secondary results qualitatively extracted and analyzed were the β-diversity and relative abundance. In total, 22 case-control studies covering 915 pSS patients and 2103 HCs were examined. The quantitative analysis revealed a slight reduction in α-diversity in pSS patients compared to HCs, with a lower Shannon-Wiener index (SMD = - 0.46, (- 0.68, - 0.25), p < 0.0001, I2 = 71%), Chao1 richness estimator (SMD = - 0.59, (- 0.86, - 0.32), p < 0.0001, I2 = 81%), and ACE index (SMD = - 0.92, (- 1.64, - 0.19), p = 0.01, I2 = 86%). However, the Simpson index (SMD = 0.01, (- 0.43, 0.46) p = 0.95, I2 = 86%) was similar in the two groups. The β-diversity significantly differed between pSS patients and HCs. Variations in the abundance of specific microbes and their metabolites and potential functions contribute to the pSS pathogenesis. Notably, the abundance of the phylum Firmicutes decreased, while that of Proteobacteria increased. SCFA-producing microbes including Ruminococcaceae, Lachnospiraceae, Faecalibacterium, Butyricicoccus, and Eubacterium hallii were depleted. In addition to diversity, the abundances of some specific microbes were related to clinical parameters. According to this systematic review and meta-analysis, gut microbiota dysbiosis, including reduced diversity, was associated with proinflammatory bacterium enrichment and anti-inflammatory bacterium depletion in pSS patients. Further research on the relationship between the gut microbiota and pSS is warranted.
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Affiliation(s)
- Yue Shen
- The Second Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou, China
| | - Xue Yu
- The Second Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou, China
| | - Qiao Wang
- School of Basic Medical Sciences, Key Laboratory of Chinese Medicine Rheumatology of Zhejiang Province, Zhejiang Chinese Medical University, Hangzhou, China
| | - Xinyi Yao
- The Second Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou, China
| | - Dingqi Lu
- The Second Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou, China
| | - Donghai Zhou
- Department of Rheumatology, The Second Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China.
| | - Xinchang Wang
- Department of Rheumatology, The Second Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China.
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28
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Byrd D, Wolf P. The microbiome as a determinant of racial and ethnic cancer disparities. Nat Rev Cancer 2024; 24:89-90. [PMID: 37872443 DOI: 10.1038/s41568-023-00638-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2023]
Affiliation(s)
- Doratha Byrd
- Cancer Epidemiology Department, Division of Population Sciences, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA.
| | - Patricia Wolf
- Department of Nutrition Science, Purdue University, West Lafayette, IN, USA
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29
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Wang L, Nan Y, Zhu W, Wang S. Effect of TMAO on the incidence and prognosis of cerebral infarction: a systematic review and meta-analysis. Front Neurol 2024; 14:1287928. [PMID: 38259655 PMCID: PMC10801906 DOI: 10.3389/fneur.2023.1287928] [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: 09/15/2023] [Accepted: 12/14/2023] [Indexed: 01/24/2024] Open
Abstract
Objective This study aimed to evaluate the effect of trimethylamine oxide (TMAO) on the incidence and prognosis of cerebral infarction. Methods We searched PubMed, Embase, and Cochrane databases for all clinical studies on the association of TMAO with cerebral infarction incidence and prognosis from inception to April 2023. A systematic review and meta-analysis were conducted using the meta-analysis of observational studies in epidemiology (MOOSE) declaration list. The Newcastle-Ottawa Scale (NOS) was used to assess the quality of the study. This study protocol was registered on the PROSPERO database with the ID: CRD42023459661. The extracted data included the OR value of the effect of TMAO on the incidence and prognosis of cerebral infarction, the HR value between TMAO and underlying diseases, the RR value, 95% confidence intervals, and the AUC value of TMAO in the prediction model of cerebral infarction. Results Fifteen studies including 40,061 patients were included. All the patients were from China or Germany. The TMAO level was significantly correlated with the Modified Rankin Score (mRS) 3 months after the onset of cerebral infarction (OR, 1.581; 95% CI, 1.259-1.987; p < 0.01). The TMAO level was significantly correlated with the rate of first-time incidence and recurrence of cerebral infarction (OR, 1.208; 95% CI, 1.085-1.344; p < 0.01 and HR, 1.167; 95% CI, 1.076-1.265; p < 0.01, respectively). The TMAO level was also highly correlated with disease severity at onset (National Institutes of Health Stroke Scale, NIHSS >5) (OR, 5.194; 95% CI, 1.206-22.363; p < 0.05), but had no significant correlation with mortality after cerebral infarction (p > 0.05). Correlation analysis of TMAO with underlying diseases in the population indicated that TMAO had a significant correlation with histories of hypertension, diabetes mellitus, coronary artery disease, and cerebral infarction (p < 0.05), but not with hyperlipidemia (p > 0.05). Six risk prediction models of TMAO for cerebral infarction reported in four studies were systematically evaluated; five of them had good predictive value (AUC ≥ 0.7). Conclusion TMAO is an independent risk factor affecting the onset, prognosis, and severity of cerebral infarction.
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Affiliation(s)
- Lin Wang
- Traditional Chinese Medicine Department, Beijing Tiantan Hospital, Beijing, China
| | - Yinan Nan
- International Department, China-Japan Friendship Hospital, Beijing, China
| | - Wenhao Zhu
- Department of Encephalopathy, Zibo Hospital of Traditional Chinese Medicine, Zibo, China
| | - Shaoqing Wang
- Traditional Chinese Medicine Department, Beijing Tiantan Hospital, Beijing, China
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30
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Fanfan D, Mulligan CJ, Groer M, Mai V, Weaver M, Huffman F, Lyon DE. The intersection of social determinants of health, the microbiome, and health outcomes in immigrants: A scoping review. AMERICAN JOURNAL OF BIOLOGICAL ANTHROPOLOGY 2024; 183:3-19. [PMID: 37737631 PMCID: PMC11185843 DOI: 10.1002/ajpa.24850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 08/23/2023] [Accepted: 09/03/2023] [Indexed: 09/23/2023]
Abstract
In the present scoping review, we explore whether existing evidence supports the premise that social determinants of health (SDoH) affect immigrant health outcomes through their effects on the microbiome. We adapt the National Institute on Minority Health and Health Disparities' research framework to propose a conceptual model that considers the intersection of SDoH, the microbiome, and health outcomes in immigrants. We use this conceptual model as a lens through which to explore recent research about SDoH, biological factors associated with changes to immigrants' microbiomes, and long-term health outcomes. In the 17 articles reviewed, dietary acculturation, physical activity, ethnicity, birthplace, age at migration and length of time in the host country, socioeconomic status, and social/linguistic acculturation were important determinants of postmigration microbiome-related transformations. These factors are associated with progressive shifts in microbiome profile with time in host country, increasing the risks for cardiometabolic, mental, immune, and inflammatory disorders and antibiotic resistance. The evidence thus supports the premise that SDoH influence immigrants' health postmigration, at least in part, through their effects on the microbiome. Omission of important postmigration social-ecological variables (e.g., stress, racism, social/family relationships, and environment), limited research among minoritized subgroups of immigrants, complexity and inter- and intra-individual differences in the microbiome, and limited interdisciplinary and biosocial collaboration restrict our understanding of this area of study. To identify potential microbiome-based interventions and promote immigrants' well-being, more research is necessary to understand the intersections of immigrant health with factors from the biological, behavioral/psychosocial, physical/built environment, and sociocultural environment domains at all social-ecological levels.
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Affiliation(s)
- Dany Fanfan
- College of Nursing, University of Florida, Gainesville, Florida, USA
| | - Connie J. Mulligan
- Department of Anthropology, University of Florida, Gainesville, Florida, USA
- Genetics Institute, University of Florida, Gainesville, Florida, USA
| | - Maureen Groer
- College of Nursing, University of Tennessee, Knoxville, Tennessee, USA
| | - Volker Mai
- College of Public Health and Health Professions and College of Medicine, Emerging Pathogens Institute, University of Florida, Gainesville, Florida, USA
| | - Michael Weaver
- College of Nursing, University of Florida, Gainesville, Florida, USA
| | - Fatma Huffman
- College of Public Health and Social Work, Florida International University, Miami, Florida, USA
| | - Debra E. Lyon
- College of Nursing, University of Florida, Gainesville, Florida, USA
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31
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Duffy EP, Bachtell RK, Ehringer MA. Opioid trail: Tracking contributions to opioid use disorder from host genetics to the gut microbiome. Neurosci Biobehav Rev 2024; 156:105487. [PMID: 38040073 PMCID: PMC10836641 DOI: 10.1016/j.neubiorev.2023.105487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 11/22/2023] [Accepted: 11/27/2023] [Indexed: 12/03/2023]
Abstract
Opioid use disorder (OUD) is a worldwide public health crisis with few effective treatment options. Traditional genetics and neuroscience approaches have provided knowledge about biological mechanisms that contribute to OUD-related phenotypes, but the complexity and magnitude of effects in the brain and body remain poorly understood. The gut-brain axis has emerged as a promising target for future therapeutics for several psychiatric conditions, so characterizing the relationship between host genetics and the gut microbiome in the context of OUD will be essential for development of novel treatments. In this review, we describe evidence that interactions between host genetics, the gut microbiome, and immune signaling likely play a key role in mediating opioid-related phenotypes. Studies in humans and model organisms consistently demonstrated that genetic background is a major determinant of gut microbiome composition. Furthermore, the gut microbiome is susceptible to environmental influences such as opioid exposure. Additional work focused on gene by microbiome interactions will be necessary to gain improved understanding of their effects on OUD-related behaviors.
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Affiliation(s)
- Eamonn P Duffy
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA; Institute for Behavioral Genetics, University of Colorado Boulder, Boulder, CO, USA.
| | - Ryan K Bachtell
- Institute for Behavioral Genetics, University of Colorado Boulder, Boulder, CO, USA; Department of Psychology and Neuroscience, University of Colorado Boulder, Boulder, CO, USA
| | - Marissa A Ehringer
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA; Institute for Behavioral Genetics, University of Colorado Boulder, Boulder, CO, USA
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32
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Fenneman AC, Boulund U, Collard D, Galenkamp H, Zwinderman AH, van den Born BJH, van der Spek AH, Fliers E, Rampanelli E, Blaser MJ, Nieuwdorp M. Comparative Analysis of Taxonomic and Functional Gut Microbiota Profiles in Relation to Seroconversion of Thyroid Peroxidase Antibodies in Euthyroid Participants. Thyroid 2024; 34:101-111. [PMID: 38010921 PMCID: PMC10818057 DOI: 10.1089/thy.2023.0346] [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] [Indexed: 11/29/2023]
Abstract
Background: Previous studies have reported gut microbiome alterations in Hashimoto's autoimmune thyroiditis (HT) patients. Yet, it is unknown whether an aberrant microbiome is present before clinical disease onset in participants susceptible to HT or whether it reflects the effects of the disease itself. In this study, we report for the first time a comprehensive characterization of the taxonomic and functional profiles of the gut microbiota in euthyroid seropositive and seronegative participants. Our primary goal was to determine taxonomic and functional signatures of the intestinal microbiota associated with serum thyroid peroxidase antibodies (TPOAb). A secondary aim was to determine whether different ethnicities warrant distinct reference intervals for accurate interpretation of serum thyroid biomarkers. Methods: In this cross-sectional study, euthyroid participants with (N = 159) and without (N = 1309) TPOAb were selected from the multiethnic (European Dutch, Moroccan, and Turkish) HEalthy Life In an Urban Setting (HELIUS) cohort. Fecal microbiota composition was profiled using 16S rRNA sequencing. Differences between the groups were analyzed based on the overall composition (alpha and beta diversity), as well as differential abundance (DA) of microbial taxa and functional pathways using multiple DA tools. Results: Overall composition showed a substantial overlap between the two groups (p > 0.05 for alpha-diversity; p = 0.39 for beta-diversity), indicating that TPOAb-seropositivity does not significantly differentiate gut microbiota composition and diversity. Interestingly, TPOAb status accounted for only a minor fraction (0.07%) of microbiome variance (p = 0.545). Further exploration of taxonomic differences identified 138 taxa nominally associated with TPOAb status. Among these, 13 taxa consistently demonstrated nominal significance across three additional DA methods, alongside notable associations within various functional pathways. Furthermore, we showed that ethnicity-specific reference intervals for serum thyroid biomarkers are not required, as no significant disparities in serum thyroid markers were found among the three ethnic groups residing in an iodine-replete area (p > 0.05 for thyrotropin, free thyroxine, and TPOAb). Conclusion: These findings suggest that there is no robust difference in gut microbiome between individuals with or without TPOAb in terms of alpha and beta-diversity. Nonetheless, several taxa were identified with nominal significance related to TPOAb presence. Further research is required to determine whether these changes indeed imply a higher risk of overt HT.
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Affiliation(s)
- Aline C. Fenneman
- Department of (Experimental) Vascular Medicine, Amsterdam Cardiovascular Sciences (ACS), Amsterdam UMC, location University of Amsterdam, Amsterdam, The Netherlands
- Department of Endocrinology and Metabolism, Amsterdam Gastroenterology Endocrinology & Metabolism (AGEM), Amsterdam UMC, location University of Amsterdam, Amsterdam, The Netherlands
| | - Ulrika Boulund
- Department of (Experimental) Vascular Medicine, Amsterdam Cardiovascular Sciences (ACS), Amsterdam UMC, location University of Amsterdam, Amsterdam, The Netherlands
- Department of Endocrinology and Metabolism, Amsterdam Gastroenterology Endocrinology & Metabolism (AGEM), Amsterdam UMC, location University of Amsterdam, Amsterdam, The Netherlands
| | - Didier Collard
- Department of (Experimental) Vascular Medicine, Amsterdam Cardiovascular Sciences (ACS), Amsterdam UMC, location University of Amsterdam, Amsterdam, The Netherlands
| | - Henrike Galenkamp
- Department of Public and Occupational Health, Amsterdam Public Health (APH), Amsterdam UMC, location University of Amsterdam, Amsterdam, The Netherlands
| | - Aeilko H. Zwinderman
- Department of Public and Occupational Health, Amsterdam Public Health (APH), Amsterdam UMC, location University of Amsterdam, Amsterdam, The Netherlands
| | - Bert-Jan H. van den Born
- Department of (Experimental) Vascular Medicine, Amsterdam Cardiovascular Sciences (ACS), Amsterdam UMC, location University of Amsterdam, Amsterdam, The Netherlands
- Department of Public and Occupational Health, Amsterdam Public Health (APH), Amsterdam UMC, location University of Amsterdam, Amsterdam, The Netherlands
| | - Anne H. van der Spek
- Department of Endocrinology and Metabolism, Amsterdam Gastroenterology Endocrinology & Metabolism (AGEM), Amsterdam UMC, location University of Amsterdam, Amsterdam, The Netherlands
| | - Eric Fliers
- Department of Endocrinology and Metabolism, Amsterdam Gastroenterology Endocrinology & Metabolism (AGEM), Amsterdam UMC, location University of Amsterdam, Amsterdam, The Netherlands
| | - Elena Rampanelli
- Department of (Experimental) Vascular Medicine, Amsterdam Cardiovascular Sciences (ACS), Amsterdam UMC, location University of Amsterdam, Amsterdam, The Netherlands
| | - Martin J. Blaser
- Center for Advanced Biotechnology and Medicine, Rutgers University, Piscataway New Jersey, USA
| | - Max Nieuwdorp
- Department of (Experimental) Vascular Medicine, Amsterdam Cardiovascular Sciences (ACS), Amsterdam UMC, location University of Amsterdam, Amsterdam, The Netherlands
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Warmbrunn MV, Attaye I, Aron-Wisnewsky J, Rampanelli E, van der Vossen EW, Hao Y, Koopen A, Bergh PO, Stols-Gonçalves D, Mohamed N, Kemper M, Verdoes X, Wortelboer K, Davids M, Belda E, André S, Hazen S, Clement K, Groen B, van Raalte DH, Herrema H, Backhed F, Nieuwdorp M. Oral histidine affects gut microbiota and MAIT cells improving glycemic control in type 2 diabetes patients. Gut Microbes 2024; 16:2370616. [PMID: 38961712 PMCID: PMC11225920 DOI: 10.1080/19490976.2024.2370616] [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: 01/10/2024] [Accepted: 06/17/2024] [Indexed: 07/05/2024] Open
Abstract
Amino acids, metabolized by host cells as well as commensal gut bacteria, have signaling effects on host metabolism. Oral supplementation of the essential amino acid histidine has been shown to exert metabolic benefits. To investigate whether dietary histidine aids glycemic control, we performed a case-controlled parallel clinical intervention study in participants with type 2 diabetes (T2D) and healthy controls. Participants received oral histidine for seven weeks. After 2 weeks of histidine supplementation, the microbiome was depleted by antibiotics to determine the microbial contribution to histidine metabolism. We assessed glycemic control, immunophenotyping of peripheral blood mononucelar cells (PBMC), DNA methylation of PBMCs and fecal gut microbiota composition. Histidine improves several markers of glycemic control, including postprandial glucose levels with a concordant increase in the proportion of MAIT cells after two weeks of histidine supplementation. The increase in MAIT cells was associated with changes in gut microbial pathways such as riboflavin biosynthesis and epigenetic changes in the amino acid transporter SLC7A5. Associations between the microbiome and MAIT cells were replicated in the MetaCardis cohort. We propose a conceptual framework for how oral histidine may affect MAIT cells via altered gut microbiota composition and SLC7A5 expression in MAIT cells directly and thereby influencing glycemic control. Future studies should focus on the role of flavin biosynthesis intermediates and SLC7A5 modulation in MAIT cells to modulate glycemic control.
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Affiliation(s)
- Moritz V. Warmbrunn
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, Amsterdam, The Netherlands
- Amsterdam Gastroenterology and Hepatology, Amsterdam Gastroenterology Endocrinology Metabolism (AGEM) Research Institute, Amsterdam, The Netherlands
- Amsterdam Cardiovascular Science research institute, Amsterdam, The Netherlands
| | - Ilias Attaye
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, Amsterdam, The Netherlands
- Amsterdam Gastroenterology and Hepatology, Amsterdam Gastroenterology Endocrinology Metabolism (AGEM) Research Institute, Amsterdam, The Netherlands
- Amsterdam Cardiovascular Science research institute, Amsterdam, The Netherlands
| | - Judith Aron-Wisnewsky
- Assistante Publique Hôpitaux de Paris, Nutrition Department, Pitié-Salpêtrière Hospital, CRNH Ile de France, Paris, France
- INSERM, Nutrition and Obesities, Systemic Approaches (NutriOmics), Sorbonne Université, Paris, France
| | - Elena Rampanelli
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, Amsterdam, The Netherlands
- Amsterdam Cardiovascular Science research institute, Amsterdam, The Netherlands
- Amsterdam Amsterdam institute for Infection and Immunity (AII), Amsterdam, The Netherlands
| | - Eduard W.J. van der Vossen
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, Amsterdam, The Netherlands
| | - Youling Hao
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, Amsterdam, The Netherlands
- Amsterdam Gastroenterology and Hepatology, Amsterdam Gastroenterology Endocrinology Metabolism (AGEM) Research Institute, Amsterdam, The Netherlands
- Amsterdam Amsterdam institute for Infection and Immunity (AII), Amsterdam, The Netherlands
| | - Annefleur Koopen
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, Amsterdam, The Netherlands
| | - Per-Olof Bergh
- Department of Molecular and Clinical Medicine/Wallenberg Laboratory, Institute of Medicine, University of Gothenburg and Sahlgrenska, Gothenburg, Sweden
| | - Daniela Stols-Gonçalves
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, Amsterdam, The Netherlands
| | - Nadia Mohamed
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, Amsterdam, The Netherlands
| | - Marleen Kemper
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, Amsterdam, The Netherlands
| | - Xanthe Verdoes
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, Amsterdam, The Netherlands
| | - Koen Wortelboer
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, Amsterdam, The Netherlands
- Amsterdam Cardiovascular Science research institute, Amsterdam, The Netherlands
- Amsterdam Amsterdam institute for Infection and Immunity (AII), Amsterdam, The Netherlands
| | - Mark Davids
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, Amsterdam, The Netherlands
| | - Eugeni Belda
- Assistante Publique Hôpitaux de Paris, Nutrition Department, Pitié-Salpêtrière Hospital, CRNH Ile de France, Paris, France
- INSERM, Nutrition and Obesities, Systemic Approaches (NutriOmics), Sorbonne Université, Paris, France
| | - Sébastien André
- Assistante Publique Hôpitaux de Paris, Nutrition Department, Pitié-Salpêtrière Hospital, CRNH Ile de France, Paris, France
- INSERM, Nutrition and Obesities, Systemic Approaches (NutriOmics), Sorbonne Université, Paris, France
| | - Stanley Hazen
- Department of Cancer Biology, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Karine Clement
- Assistante Publique Hôpitaux de Paris, Nutrition Department, Pitié-Salpêtrière Hospital, CRNH Ile de France, Paris, France
- INSERM, Nutrition and Obesities, Systemic Approaches (NutriOmics), Sorbonne Université, Paris, France
| | - Bert Groen
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, Amsterdam, The Netherlands
| | - Daniel H. van Raalte
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, Amsterdam, The Netherlands
- Diabetes Center, Department of Internal Medicine, Amsterdam University Medical Centers, Amsterdam, The Netherlands
| | - Hilde Herrema
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, Amsterdam, The Netherlands
| | - Fredrik Backhed
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, Amsterdam, The Netherlands
| | - Max Nieuwdorp
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, Amsterdam, The Netherlands
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Liu D, Gao X, Huang X, Fan Y, Wang YE, Zhang Y, Chen X, Wen J, He H, Hong Y, Liang Y, Zhang Y, Liu Z, Chen S, Li X. Moderate altitude exposure impacts host fasting blood glucose and serum metabolome by regulation of the intestinal flora. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 905:167016. [PMID: 37714338 DOI: 10.1016/j.scitotenv.2023.167016] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 09/09/2023] [Accepted: 09/10/2023] [Indexed: 09/17/2023]
Abstract
Moderate altitude exposure has shown beneficial effects on diabetes incidence but the underlying mechanisms are not understood. Our study aimed to investigate how the human gut microbiome impacted the serum metabolome and associated with glucose homeostasis in healthy Chinese individuals upon moderate-altitude exposure. Faecal microbiome composition was assessed using shotgun metagenomic sequencing. Serum metabolome was acquired by untargeted metabolomics technology, and amino acids (AAs) and propionic acid in serum were quantified by targeted metabolomics technology. The results indicated that the moderate-altitude exposed individuals presented lowered fasting blood glucose (FBG) and propionic acid, increased circulating L-Glutamine but decreased L-Glutamate and L-Valine, which correlated with enriched Bacteroidetes and decreased Proteobacteria. Additionally, the silico causality associations among gut microbiota, serum metabolome and host FBG were analyzed by mediation analysis. It showed that increased Bacteroides ovatus (B. ovatus) and decreased Escherichia coli (E. coli) were identified as the main antagonistic species driving the association between L-Glutamate and FBG in silico causality. Furthermore, the high-fat diet (HFD) fed mice subjected to faecal microbiota transplantation (FMT) were applied to validate the cause-in-fact effects of gut microbiota on the beneficial glucose response. We found that microbiome in the moderate-altitude exposed donor could predict the extent of the FBG response in recipient mice, which showed lowered FBG, L-Glutamate and Firmicutes/Bacteroidetes ratio. Our findings suggest that moderate-altitude exposure targeting gut microbiota and circulating metabolome, may pave novel avenues to counter dysglycemia.
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Affiliation(s)
- Dan Liu
- Department of Emergency Medicine, Guangdong Provincial People's Hospital, (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, China; Department of Endocrinology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China; Nyingchi People's Hospital, Tibet, China
| | - Xiaoyan Gao
- Department of Emergency Medicine, Guangdong Provincial People's Hospital, (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, China; School of Medicine, South China University of Technology, Guangzhou, China
| | - Xiaoran Huang
- Department of Emergency Medicine, Guangdong Provincial People's Hospital, (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, China
| | - Yanqun Fan
- Biotree Metabolomics Technology Research Center, Shanghai, China
| | - Yu-E Wang
- Nyingchi People's Hospital, Tibet, China
| | - Yuelin Zhang
- Department of Emergency Medicine, Guangdong Provincial People's Hospital, (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, China
| | - Xuanfu Chen
- Department of Emergency Medicine, Guangdong Provincial People's Hospital, (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, China; Emergency Medicine Department of Guangdong Cardiovascular Institute, Guangzhou, China
| | - Jielu Wen
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Guangdong-Hong Kong Joint Laboratory for RNA Medicine, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China; Nanhai Translational Innovation Center of Precision Immunology, Sun Yat-Sen Memorial Hospital, Foshan, China
| | - Haiwei He
- Department of Emergency Medicine, Guangdong Provincial People's Hospital, (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, China
| | - Yimei Hong
- Department of Emergency Medicine, Guangdong Provincial People's Hospital, (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, China
| | - Ying Liang
- Department of Emergency Medicine, Guangdong Provincial People's Hospital, (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, China; Department of Endocrinology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China; Nyingchi People's Hospital, Tibet, China
| | - Yuxiao Zhang
- Department of Emergency Medicine, Guangdong Provincial People's Hospital, (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, China; School of Medicine, South China University of Technology, Guangzhou, China
| | - Zhipeng Liu
- Biotree Metabolomics Technology Research Center, Shanghai, China.
| | - Sifan Chen
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Guangdong-Hong Kong Joint Laboratory for RNA Medicine, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China; Nanhai Translational Innovation Center of Precision Immunology, Sun Yat-Sen Memorial Hospital, Foshan, China.
| | - Xin Li
- Department of Emergency Medicine, Guangdong Provincial People's Hospital, (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, China; Nyingchi People's Hospital, Tibet, China.
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Troth TD, McInnes RS, Dunn SJ, Mirza J, Whittaker AH, Goodchild SA, Loman NJ, Harding SV, van Schaik W. Differences in the gut microbiota between Gurkhas and soldiers of British origin. PLoS One 2023; 18:e0292645. [PMID: 38113233 PMCID: PMC10729956 DOI: 10.1371/journal.pone.0292645] [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: 08/18/2022] [Accepted: 09/26/2023] [Indexed: 12/21/2023] Open
Abstract
Previous work indicated that the incidence of travellers' diarrhoea (TD) is higher in soldiers of British origin, when compared to soldiers of Nepalese descent (Gurkhas). We hypothesise that the composition of the gut microbiota may be a contributing factor in the risk of developing TD in soldiers of British origin. This study aimed to characterise the gut microbial composition of Gurkha and non-Gurkha soldiers of the British Army. Recruitment of 38 soldiers (n = 22 Gurkhas, n = 16 non-Gurkhas) and subsequent stool collection, enabled shotgun metagenomic sequencing-based analysis of the gut microbiota. The microbiota of Gurkhas had significantly (P < 0.05) lower diversity, for both Shannon and Simpson diversity indices, using species level markers than the gut microbiota of non-Gurkha soldiers. Non-metric Multidimensional Scaling (NMDS) of the Bray-Curtis distance matrix revealed a significant difference in the composition of the gut microbiota between Gurkhas and non-Gurkha soldiers, at both the species level (P = 0.0178) and the genus level (P = 0.0483). We found three genera and eight species that were significantly enriched in the non-Gurkha group and one genus (Haemophilus) and one species (Haemophilus parainfluenzae) which were enriched in the Gurkha group. The difference in the microbiota composition between Gurkha soldiers and soldiers of British origin may contribute to higher colonization resistance against diarrhoeal pathogens in the former group. Our findings may enable further studies into interventions that modulate the gut microbiota of soldiers to prevent TD during deployment.
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Affiliation(s)
- Thomas D. Troth
- Institute of Microbiology and Infection, University of Birmingham, Birmingham, United Kingdom
| | - Ross S. McInnes
- Institute of Microbiology and Infection, University of Birmingham, Birmingham, United Kingdom
| | - Steven J. Dunn
- Institute of Microbiology and Infection, University of Birmingham, Birmingham, United Kingdom
| | - Jeremy Mirza
- Institute of Microbiology and Infection, University of Birmingham, Birmingham, United Kingdom
| | - Annalise H. Whittaker
- CBR Division, Defence and Science Technology Laboratory, Salisbury, Wiltshire, United Kingdom
| | - Sarah A. Goodchild
- CBR Division, Defence and Science Technology Laboratory, Salisbury, Wiltshire, United Kingdom
| | - Nicholas J. Loman
- Institute of Microbiology and Infection, University of Birmingham, Birmingham, United Kingdom
| | - Sarah V. Harding
- CBR Division, Defence and Science Technology Laboratory, Salisbury, Wiltshire, United Kingdom
- School of Respiratory Sciences, University of Leicester, Leicester, United Kingdom
| | - Willem van Schaik
- Institute of Microbiology and Infection, University of Birmingham, Birmingham, United Kingdom
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Tang LT, Feng L, Cao HY, Shi R, Luo BB, Zhang YB, Liu YM, Zhang J, Li SY. Comparative study of type 2 diabetes mellitus-associated gut microbiota between the Dai and Han populations. World J Diabetes 2023; 14:1766-1783. [PMID: 38222790 PMCID: PMC10784794 DOI: 10.4239/wjd.v14.i12.1766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Revised: 10/24/2023] [Accepted: 11/17/2023] [Indexed: 12/14/2023] Open
Abstract
BACKGROUND The global prevalence of type 2 diabetes mellitus (T2DM) is increasing. T2DM is associated with alterations of the gut microbiota, which can be affected by age, illness, and genetics. Previous studies revealed that there are discriminating microbiota compositions between the Dai and the Han populations. However, the specific gut microbiota differences between the two populations have not been elucidated. AIM To compare the gut microbiota differences in subjects with and without T2DM in the Dai and Han populations. METHODS A total of 35 subjects of the Han population (including 15 healthy children, 8 adult healthy controls, and 12 adult T2DM patients) and 32 subjects of the Dai population (including 10 healthy children, 10 adult healthy controls, and 12 adult T2DM patients) were enrolled in this study. Fasting venous blood samples were collected from all the subjects for biochemical analysis. Fecal samples were collected from all the subjects for DNA extraction and 16S rRNA sequencing, which was followed by analyses of the gut microbiota composition. RESULTS No significant difference in alpha diversity was observed between healthy children and adults. The diversity of gut microbiota was decreased in T2DM patients compared to the healthy adults in both the Dai and Han populations. There was a significant difference in gut microbiota between healthy children and healthy adults in the Han population with an increased abundance of Bacteroidetes and decreased Firmicutes in children. However, this difference was less in the Dai population. Significant increases in Bacteroidetes in the Han population and Proteobacteria in the Dai population and decreases in Firmicutes in both the Han and Dai population were observed in T2DM patients compared to healthy adults. Linear discriminant analysis Effect Size analysis also showed that the gut microbiota was different between the Han and Dai populations in heathy children, adults, and T2DM patients. Four bacteria were consistently increased and two consistently decreased in the Han population compared to the Dai population. CONCLUSION Differences in gut microbiota were found between the Han and Dai populations. A significant increase in Bacteroidetes was related to the occurrence of T2DM in the Han population, while a significant increase in Proteobacteria was related to the occurrence of T2DM in the Dai population.
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Affiliation(s)
- Ling-Tong Tang
- Department of Clinical Laboratory, Yan’an Hospital Affiliated to Kunming Medical University, Kunming 650051, Yunnan Province, China
| | - Lei Feng
- Department of Clinical Laboratory, Yan’an Hospital Affiliated to Kunming Medical University, Kunming 650051, Yunnan Province, China
| | - Hui-Ying Cao
- Department of Clinical Laboratory, Yan’an Hospital Affiliated to Kunming Medical University, Kunming 650051, Yunnan Province, China
| | - Rui Shi
- Department of Clinical Laboratory, Sixth Affiliated Hospital of Kunming Medical University, Kunming 650051, Yunnan Province, China
| | - Bei-Bei Luo
- Department of Clinical Laboratory, Sixth Affiliated Hospital of Kunming Medical University, Kunming 650051, Yunnan Province, China
| | - Yan-Bi Zhang
- Department of Clinical Laboratory, Sixth Affiliated Hospital of Kunming Medical University, Kunming 650051, Yunnan Province, China
| | - Yan-Mei Liu
- Department of Clinical Laboratory, Yan’an Hospital Affiliated to Kunming Medical University, Kunming 650051, Yunnan Province, China
| | - Jian Zhang
- Department of Clinical Laboratory, Yan’an Hospital Affiliated to Kunming Medical University, Kunming 650051, Yunnan Province, China
| | - Shuang-Yue Li
- Department of Clinical Laboratory, Yan’an Hospital Affiliated to Kunming Medical University, Kunming 650051, Yunnan Province, China
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Chattopadhyay A, Lee CY, Lee YC, Liu CL, Chen HK, Li YH, Lai LC, Tsai MH, Ni YH, Chiu HM, Lu TP, Chuang EY. Twnbiome: a public database of the healthy Taiwanese gut microbiome. BMC Bioinformatics 2023; 24:474. [PMID: 38097965 PMCID: PMC10722848 DOI: 10.1186/s12859-023-05585-6] [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: 05/31/2023] [Accepted: 11/27/2023] [Indexed: 12/17/2023] Open
Abstract
With new advances in next generation sequencing (NGS) technology at reduced costs, research on bacterial genomes in the environment has become affordable. Compared to traditional methods, NGS provides high-throughput sequencing reads and the ability to identify many species in the microbiome that were previously unknown. Numerous bioinformatics tools and algorithms have been developed to conduct such analyses. However, in order to obtain biologically meaningful results, the researcher must select the proper tools and combine them to construct an efficient pipeline. This complex procedure may include tens of tools, each of which require correct parameter settings. Furthermore, an NGS data analysis involves multiple series of command-line tools and requires extensive computational resources, which imposes a high barrier for biologists and clinicians to conduct NGS analysis and even interpret their own data. Therefore, we established a public gut microbiome database, which we call Twnbiome, created using healthy subjects from Taiwan, with the goal of enabling microbiota research for the Taiwanese population. Twnbiome provides users with a baseline gut microbiome panel from a healthy Taiwanese cohort, which can be utilized as a reference for conducting case-control studies for a variety of diseases. It is an interactive, informative, and user-friendly database. Twnbiome additionally offers an analysis pipeline, where users can upload their data and download analyzed results. Twnbiome offers an online database which non-bioinformatics users such as clinicians and doctors can not only utilize to access a control set of data, but also analyze raw data with a few easy clicks. All results are customizable with ready-made plots and easily downloadable tables. Database URL: http://twnbiome.cgm.ntu.edu.tw/ .
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Affiliation(s)
- Amrita Chattopadhyay
- Bioinformatics and Biostatistics Core, Centers of Genomic and Precision Medicine, National Taiwan University, Taipei, Taiwan
| | - Chien-Yueh Lee
- Department of Biomedical Engineering, China Medical University, Taichung, Taiwan
| | - Ya-Chin Lee
- Department of Public Health, Institute of Health Data Analytics and Statistics, National Taiwan University, Taipei, Taiwan
| | - Chiang-Lin Liu
- Graduate Institute of Biomedical Electronics and Bioinformatics, National Taiwan University, Taipei, Taiwan
| | - Hsin-Kuang Chen
- Center for Biotechnology, National Taiwan University, Taipei, Taiwan
| | - Yung-Hua Li
- Graduate Institute of Biomedical Electronics and Bioinformatics, National Taiwan University, Taipei, Taiwan
| | - Liang-Chuan Lai
- Bioinformatics and Biostatistics Core, Centers of Genomic and Precision Medicine, National Taiwan University, Taipei, Taiwan
- Graduate Institute of Physiology, National Taiwan University, Taipei, Taiwan
| | - Mong-Hsun Tsai
- Bioinformatics and Biostatistics Core, Centers of Genomic and Precision Medicine, National Taiwan University, Taipei, Taiwan
- Center for Biotechnology, National Taiwan University, Taipei, Taiwan
- Institute of Biotechnology, National Taiwan University, Taipei, Taiwan
| | - Yen-Hsuan Ni
- College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Han-Mo Chiu
- College of Medicine, National Taiwan University, Taipei, Taiwan
- Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan
| | - Tzu-Pin Lu
- Bioinformatics and Biostatistics Core, Centers of Genomic and Precision Medicine, National Taiwan University, Taipei, Taiwan.
- Department of Public Health, Institute of Health Data Analytics and Statistics, National Taiwan University, Taipei, Taiwan.
- Institute of Health Data Analytics and Statistics, National Taiwan University, Taipei, Taiwan.
| | - Eric Y Chuang
- Bioinformatics and Biostatistics Core, Centers of Genomic and Precision Medicine, National Taiwan University, Taipei, Taiwan.
- Graduate Institute of Biomedical Electronics and Bioinformatics, National Taiwan University, Taipei, Taiwan.
- Biomedical Technology and Device Research Laboratories, Industrial Technology Research Institute, Hsinchu, Taiwan.
- Division Research and Development Center for Medical Devices, National Taiwan University, Taipei, Taiwan.
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38
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Nohesara S, Abdolmaleky HM, Zhou JR, Thiagalingam S. Microbiota-Induced Epigenetic Alterations in Depressive Disorders Are Targets for Nutritional and Probiotic Therapies. Genes (Basel) 2023; 14:2217. [PMID: 38137038 PMCID: PMC10742434 DOI: 10.3390/genes14122217] [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: 11/15/2023] [Revised: 12/08/2023] [Accepted: 12/11/2023] [Indexed: 12/24/2023] Open
Abstract
Major depressive disorder (MDD) is a complex disorder and a leading cause of disability in 280 million people worldwide. Many environmental factors, such as microbes, drugs, and diet, are involved in the pathogenesis of depressive disorders. However, the underlying mechanisms of depression are complex and include the interaction of genetics with epigenetics and the host immune system. Modifications of the gut microbiome and its metabolites influence stress-related responses and social behavior in patients with depressive disorders by modulating the maturation of immune cells and neurogenesis in the brain mediated by epigenetic modifications. Here, we discuss the potential roles of a leaky gut in the development of depressive disorders via changes in gut microbiota-derived metabolites with epigenetic effects. Next, we will deliberate how altering the gut microbiome composition contributes to the development of depressive disorders via epigenetic alterations. In particular, we focus on how microbiota-derived metabolites such as butyrate as an epigenetic modifier, probiotics, maternal diet, polyphenols, drugs (e.g., antipsychotics, antidepressants, and antibiotics), and fecal microbiota transplantation could positively alleviate depressive-like behaviors by modulating the epigenetic landscape. Finally, we will discuss challenges associated with recent therapeutic approaches for depressive disorders via microbiome-related epigenetic shifts, as well as opportunities to tackle such problems.
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Affiliation(s)
- Shabnam Nohesara
- Department of Medicine (Biomedical Genetics), Boston University Chobanian & Avedisian School of Medicine, Boston, MA 02118, USA;
| | - Hamid Mostafavi Abdolmaleky
- Nutrition/Metabolism Laboratory, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boson, MA 02215, USA;
| | - Jin-Rong Zhou
- Nutrition/Metabolism Laboratory, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boson, MA 02215, USA;
| | - Sam Thiagalingam
- Department of Medicine (Biomedical Genetics), Boston University Chobanian & Avedisian School of Medicine, Boston, MA 02118, USA;
- Department of Pathology & Laboratory Medicine, Boston University Chobanian & Avedisian School of Medicine, Boston, MA 02118, USA
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Reveles KR, Strey KA, Abdul-Mutakabbir JC, Mendoza VM, Carreno JJ. Infectious Inequity: How the Gut Microbiome and Social Determinants of Health May Contribute to Clostridioides difficile Infection Among Racial and Ethnic Minorities. Clin Infect Dis 2023; 77:S455-S462. [PMID: 38051968 PMCID: PMC10697666 DOI: 10.1093/cid/ciad586] [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: 12/07/2023] Open
Abstract
Infectious diseases are a leading contributor to death in the United States, and racial differences in clinical outcomes have been increasingly reported. Clostridioides difficile infection (CDI) is a growing public health concern, as it causes nearly half a million infections per year and considerable excess hospital costs. Concurrent with other infectious diseases, recent literature denotes racial disparities in CDI incidence rates, mortality, and associated morbidity. Of note, investigations into CDI and causative factors suggest that inequities in health-related social needs and other social determinants of health (SDoH) may cause disruption to the gut microbiome, thereby contributing to the observed deleterious outcomes in racially and ethnically minoritized individuals. Despite these discoveries, there is limited literature that provides context for the recognized racial disparities in CDI, particularly the influence of structural and systemic barriers. Here, we synthesize the available literature describing racial inequities in CDI outcomes and discuss the interrelationship of SDoH on microbiome dysregulation. Finally, we provide actionable considerations for infectious diseases professionals to aid in narrowing CDI equity gaps.
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Affiliation(s)
- Kelly R Reveles
- Pharmacotherapy Division, College of Pharmacy, University of Texas at Austin, Austin, Texas, USA
- Pharmacotherapy Education & Research Center, University of Texas Health San Antonio, San Antonio, Texas, USA
| | - Kelsey A Strey
- Pharmacotherapy Division, College of Pharmacy, University of Texas at Austin, Austin, Texas, USA
- Pharmacotherapy Education & Research Center, University of Texas Health San Antonio, San Antonio, Texas, USA
| | - Jacinda C Abdul-Mutakabbir
- Division of Clinical Pharmacy, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California–San Diego, La Jolla, California, USA
- Division of the Black Diaspora and African American Studies, University of California–San Diego, La Jolla, California, USA
| | - V Mateo Mendoza
- Pharmacotherapy Division, College of Pharmacy, University of Texas at Austin, Austin, Texas, USA
- Pharmacotherapy Education & Research Center, University of Texas Health San Antonio, San Antonio, Texas, USA
| | - Joseph J Carreno
- Department of Pharmacy Practice, Albany College of Pharmacy and Health Sciences, Albany, New York, USA
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40
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Gao XF, Wu BB, Pan YL, Zhou SM, Zhang M, You YH, Cai YP, Liang Y. Gut microbiome biomarkers in adolescent obesity: a regional study. Health Inf Sci Syst 2023; 11:37. [PMID: 37602197 PMCID: PMC10435439 DOI: 10.1007/s13755-023-00236-9] [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: 05/24/2023] [Accepted: 07/18/2023] [Indexed: 08/22/2023] Open
Abstract
Purpose This study aimed to characterize the gut microbiota in obese adolescents from Shenzhen (China), and evaluate influence of gender on BMI-related differences in the gut microbiome. Methods Evaluation of physical examination, blood pressure measurement, serological assay and body composition were conducted in 205 adolescent subjects at Shenzhen. Fecal microbiome composition was profiled via high-throughput sequencing of the V3-V4 regions of the 16S rRNA gene. A Random Forest (RF) classifier model was built to distinguish the BMI categories based on the gut bacterial composition. Results Fifty-six taxa consisting mainly of Firmicutes were identified that having significant associations with BMI; 2 OTUs belonging to Ruminococcaceae and 1 belonging to Lachnospiraceae had relatively strong positive correlations with body fate rate, waistline and most of serum biochemical properties. Based on the 56 BMI-associated OTUs, the RF model showed a robust classification accuracy (AUC 0.96) for predicting the obese phenotype. Gender-specific differences in the gut microbiome composition was obtained, and a lower relative abundance of Odoribacter genus was particularly found in obese boys. Functional analysis revealed a deficiency in bacterial gene contents related to peroxisome and PPAR signaling pathway in the obese subjects for both genders. Conclusions This study reveals unique features of gut microbiome in terms of microbial composition and metabolic functions in obese adolescents, and provides a baseline for reference and comparison studies. Supplementary Information The online version contains supplementary material available at 10.1007/s13755-023-00236-9.
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Affiliation(s)
- Xue-Feng Gao
- Integrative Microecology Clinical Center, Shenzhen Key Laboratory of Gastrointestinal Microbiota and Disease, Shenzhen Clinical Research Center for Digestive Disease, Shenzhen Technology Research Center of Gut Microbiota Transplantation, Shenzhen Hospital, Southern Medical University, Shenzhen, China
- Central Laboratory, Shenzhen Key Laboratory of Precision Medicine for Hematological Malignancies, Shenzhen University General Hospital, Shenzhen, China
| | - Bin-Bin Wu
- Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Yong-Long Pan
- Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Shao-Ming Zhou
- Department of Gastroenterology, Shenzhen Children’s Hospital, Shenzhen, China
| | - Ming Zhang
- Department of Nutrition, Peking University Shenzhen Hospital, Shenzhen, China
| | - Yue-Hua You
- Department of Stomatology, Longhua People’s Hospital Affiliated to Southern Medical University, Shenzhen, 518109 Guangdong China
- School of Stomatology, Southern Medical University, Guangzhou, 510515 Guangdong China
- Key Laboratory of Oral Microbiology and Medical Transformation of Shenzhen Longhua District, Shenzhen, China
| | - Yun-Peng Cai
- Research Center for Biomedical Information Technology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Yan Liang
- School of Resources and Environment, University of Electronic Science and Technology of China, Chengdu, China
- ShenSi Lab, Shenzhen Institute for Advanced Study, University of Electronic Science and Technology of China, Shenzhen, China
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Mulder D, Aarts E, Arias Vasquez A, Bloemendaal M. A systematic review exploring the association between the human gut microbiota and brain connectivity in health and disease. Mol Psychiatry 2023; 28:5037-5061. [PMID: 37479779 PMCID: PMC11041764 DOI: 10.1038/s41380-023-02146-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 06/02/2023] [Accepted: 06/16/2023] [Indexed: 07/23/2023]
Abstract
A body of pre-clinical evidence shows how the gut microbiota influence brain functioning, including brain connectivity. Linking measures of brain connectivity to the gut microbiota can provide important mechanistic insights into the bi-directional gut-brain communication. In this systematic review, we therefore synthesized the available literature assessing this association, evaluating the degree of consistency in microbiota-connectivity associations. Following the PRISMA guidelines, a PubMed search was conducted, including studies published up to September 1, 2022. We identified 16 studies that met the inclusion criteria. Several bacterial genera, including Prevotella, Bacteroides, Ruminococcus, Blautia, and Collinsella were most frequently reported in association with brain connectivity. Additionally, connectivity of the salience (specifically the insula and anterior cingulate cortex), default mode, and frontoparietal networks were most frequently associated with the gut microbiota, both in terms of microbial diversity and composition. There was no discernible pattern in the association between microbiota and brain connectivity. Altogether, based on our synthesis, there is evidence for an association between the gut microbiota and brain connectivity. However, many findings were poorly replicated across studies, and the specificity of the association is yet unclear. The current studies show substantial inter-study heterogeneity in methodology and reporting, limiting the robustness and reproducibility of the findings and emphasizing the need to harmonize methodological approaches. To enhance comparability and replicability, future research should focus on further standardizing processing pipelines and employing data-driven multivariate analysis strategies.
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Affiliation(s)
- Danique Mulder
- Department of Psychiatry, Radboud University Medical Center, Donders Institute for Brain, Cognition and Behaviour, Geert Grooteplein Zuid 10, 6525 GA, Nijmegen, The Netherlands
| | - Esther Aarts
- Donders Institute for Brain, Cognition and Behaviour, Radboud University, Nijmegen, The Netherlands
| | - Alejandro Arias Vasquez
- Department of Psychiatry, Radboud University Medical Center, Donders Institute for Brain, Cognition and Behaviour, Geert Grooteplein Zuid 10, 6525 GA, Nijmegen, The Netherlands.
- Department of Human Genetics, Radboud University Medical Center, Donders Institute for Brain, Cognition and Behaviour, Nijmegen, The Netherlands.
| | - Mirjam Bloemendaal
- Department of Psychiatry, Radboud University Medical Center, Donders Institute for Brain, Cognition and Behaviour, Geert Grooteplein Zuid 10, 6525 GA, Nijmegen, The Netherlands
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Fenneman AC, van der Spek AH, Hartstra A, Havik S, Salonen A, de Vos WM, Soeters MR, Saeed P, Nieuwdorp M, Rampanelli E. Intestinal permeability is associated with aggravated inflammation and myofibroblast accumulation in Graves' orbitopathy: the MicroGO study. Front Endocrinol (Lausanne) 2023; 14:1173481. [PMID: 38107520 PMCID: PMC10724020 DOI: 10.3389/fendo.2023.1173481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Accepted: 06/20/2023] [Indexed: 12/19/2023] Open
Abstract
Background Graves' disease (GD) and Graves' orbitopathy (GO) result from ongoing stimulation of the TSH receptor due to autoantibodies acting as persistent agonists. Orbital pre-adipocytes and fibroblasts also express the TSH receptor, resulting in expanded retro-orbital tissue and causing exophthalmos and limited eye movement. Recent studies have shown that GD/GO patients have a disturbed gut microbiome composition, which has been associated with increased intestinal permeability. This study hypothesizes that enhanced intestinal permeability may aggravate orbital inflammation and, thus, increase myofibroblast differentiation and the degree of fibrosis. Methods Two distinct cohorts of GO patients were studied, one of which was a unique cohort consisting of blood, fecal, and retro-orbital tissue samples. Intestinal permeability was assessed by measuring serum lipopolysaccharide-binding protein (LBP), zonulin, TLR5, and TLR9 ligands. The influx of macrophages and accumulation of T-cells and myofibroblast were quantified in orbital connective tissue. The NanoString immune-oncology RNA targets panel was used to determine the transcriptional profile of active fibrotic areas within orbital sections. Results GO patients displayed significantly higher LBP serum concentrations than healthy controls. Within the MicroGO cohort, patients with high serum LBP levels also showed higher levels of zonulin and TLR5 and TLR9 ligands in their circulation. The increased intestinal permeability was accompanied by augmented expression of genes marking immune cell infiltration and encoding key proteins for immune cell adhesion, antigen presentation, and cytokine signaling in the orbital tissue. Macrophage influx was positively linked to the extent of T cell influx and fibroblast activation within GO-affected orbital tissues. Moreover, serum LBP levels significantly correlated with the abundance of specific Gram-negative gut bacteria, linking the gut to local orbital inflammation. Conclusion These results indicate that GO patients have enhanced intestinal permeability. The subsequent translocation of bacterial compounds to the systemic circulation may aggravate inflammatory processes within the orbital tissue and, as a consequence, augment the proportion of activated myofibroblasts, which actively secrete extracellular matrix leading to retro-orbital tissue expansion. These findings warrant further exploration to assess the correlation between specific inflammatory pathways in the orbital tissue and the gut microbiota composition and may pave the way for new microbiota-targeting therapies.
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Affiliation(s)
- Aline C. Fenneman
- Department of (Experimental) Vascular Medicine, Amsterdam Cardiovascular Sciences (ACS), Amsterdam University Medical Centre (UMC), University of Amsterdam, Amsterdam, Netherlands
- Department of Endocrinology and Metabolism, Amsterdam Gastroenterology Endocrinology & Metabolism (AGEM), Amsterdam University Medical Centre (UMC), University of Amsterdam, Amsterdam, Netherlands
| | - Anne H. van der Spek
- Department of Endocrinology and Metabolism, Amsterdam Gastroenterology Endocrinology & Metabolism (AGEM), Amsterdam University Medical Centre (UMC), University of Amsterdam, Amsterdam, Netherlands
| | - Annick Hartstra
- Department of (Experimental) Vascular Medicine, Amsterdam Cardiovascular Sciences (ACS), Amsterdam University Medical Centre (UMC), University of Amsterdam, Amsterdam, Netherlands
| | - Stefan Havik
- Department of (Experimental) Vascular Medicine, Amsterdam Cardiovascular Sciences (ACS), Amsterdam University Medical Centre (UMC), University of Amsterdam, Amsterdam, Netherlands
| | - Anne Salonen
- Human Microbiome Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Willem M. de Vos
- Human Microbiome Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland
- Laboratory of Microbiology, Wageningen University & Research, Wageningen, Netherlands
| | - Maarten R. Soeters
- Department of Endocrinology and Metabolism, Amsterdam Gastroenterology Endocrinology & Metabolism (AGEM), Amsterdam University Medical Centre (UMC), University of Amsterdam, Amsterdam, Netherlands
| | - Peeroz Saeed
- Department of Ophthalmology, Amsterdam University Medical Centre (UMC), Amsterdam, Netherlands
| | - Max Nieuwdorp
- Department of (Experimental) Vascular Medicine, Amsterdam Cardiovascular Sciences (ACS), Amsterdam University Medical Centre (UMC), University of Amsterdam, Amsterdam, Netherlands
| | - Elena Rampanelli
- Department of (Experimental) Vascular Medicine, Amsterdam Cardiovascular Sciences (ACS), Amsterdam University Medical Centre (UMC), University of Amsterdam, Amsterdam, Netherlands
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Guo M, Wang X, Li Y, Luo A, Zhao Y, Luo X, Li S. Intermittent Fasting on Neurologic Diseases: Potential Role of Gut Microbiota. Nutrients 2023; 15:4915. [PMID: 38068773 PMCID: PMC10707790 DOI: 10.3390/nu15234915] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Revised: 11/13/2023] [Accepted: 11/22/2023] [Indexed: 12/18/2023] Open
Abstract
As the global population ages, the prevalence of neurodegenerative diseases is surging. These disorders have a multifaceted pathogenesis, entwined with genetic and environmental factors. Emerging research underscores the profound influence of diet on the development and progression of health conditions. Intermittent fasting (IF), a dietary pattern that is increasingly embraced and recommended, has demonstrated potential in improving neurophysiological functions and mitigating pathological injuries with few adverse effects. Although the precise mechanisms of IF's beneficial impact are not yet completely understood, gut microbiota and their metabolites are believed to be pivotal in mediating these effects. This review endeavors to thoroughly examine current studies on the shifts in gut microbiota and metabolite profiles prompted by IF, and their possible consequences for neural health. It also highlights the significance of dietary strategies as a clinical consideration for those with neurological conditions.
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Affiliation(s)
- Mingke Guo
- Hubei Key Laboratory of Geriatric Anesthesia and Perioperative Brain Health, Department of Anesthesiology, Wuhan Clinical Research Center for Geriatric Anesthesia, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; (M.G.); (X.W.); (Y.L.); (A.L.); (Y.Z.)
| | - Xuan Wang
- Hubei Key Laboratory of Geriatric Anesthesia and Perioperative Brain Health, Department of Anesthesiology, Wuhan Clinical Research Center for Geriatric Anesthesia, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; (M.G.); (X.W.); (Y.L.); (A.L.); (Y.Z.)
| | - Yujuan Li
- Hubei Key Laboratory of Geriatric Anesthesia and Perioperative Brain Health, Department of Anesthesiology, Wuhan Clinical Research Center for Geriatric Anesthesia, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; (M.G.); (X.W.); (Y.L.); (A.L.); (Y.Z.)
| | - Ailin Luo
- Hubei Key Laboratory of Geriatric Anesthesia and Perioperative Brain Health, Department of Anesthesiology, Wuhan Clinical Research Center for Geriatric Anesthesia, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; (M.G.); (X.W.); (Y.L.); (A.L.); (Y.Z.)
| | - Yilin Zhao
- Hubei Key Laboratory of Geriatric Anesthesia and Perioperative Brain Health, Department of Anesthesiology, Wuhan Clinical Research Center for Geriatric Anesthesia, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; (M.G.); (X.W.); (Y.L.); (A.L.); (Y.Z.)
| | - Xiaoxiao Luo
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Shiyong Li
- Hubei Key Laboratory of Geriatric Anesthesia and Perioperative Brain Health, Department of Anesthesiology, Wuhan Clinical Research Center for Geriatric Anesthesia, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; (M.G.); (X.W.); (Y.L.); (A.L.); (Y.Z.)
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Mathrani A, Lu LW, Sequeira-Bisson IR, Silvestre MP, Hoggard M, Barnett D, Fogelholm M, Raben A, Poppitt SD, Taylor MW. Gut microbiota profiles in two New Zealand cohorts with overweight and prediabetes: a Tū Ora/PREVIEW comparative study. Front Microbiol 2023; 14:1244179. [PMID: 38033566 PMCID: PMC10687470 DOI: 10.3389/fmicb.2023.1244179] [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: 06/23/2023] [Accepted: 10/20/2023] [Indexed: 12/02/2023] Open
Abstract
Obesity-related metabolic diseases such as type 2 diabetes (T2D) are major global health issues, affecting hundreds of millions of people worldwide. The underlying factors are both diverse and complex, incorporating biological as well as cultural considerations. A role for ethnicity - a measure of self-perceived cultural affiliation which encompasses diet, lifestyle and genetic components - in susceptibility to metabolic diseases such as T2D is well established. For example, Asian populations may be disproportionally affected by the adverse 'TOFI' (Thin on the Outside, Fat on the Inside) profile, whereby outwardly lean individuals have increased susceptibility due to excess visceral and ectopic organ fat deposition. A potential link between the gut microbiota and metabolic disease has more recently come under consideration, yet our understanding of the interplay between ethnicity, the microbiota and T2D remains incomplete. We present here a 16S rRNA gene-based comparison of the fecal microbiota of European-ancestry and Chinese-ancestry cohorts with overweight and prediabetes, residing in New Zealand. The cohorts were matched for mean fasting plasma glucose (FPG: mean ± SD, European-ancestry: 6.1 ± 0.4; Chinese-ancestry: 6.0 ± 0.4 mmol/L), a consequence of which was a significantly higher mean body mass index in the European group (BMI: European-ancestry: 37.4 ± 6.8; Chinese-ancestry: 27.7 ± 4.0 kg/m2; p < 0.001). Our findings reveal significant microbiota differences between the two ethnicities, though we cannot determine the underpinning factors. In both cohorts Firmicutes was by far the dominant bacterial phylum (European-ancestry: 93.4 ± 5.5%; Chinese-ancestry: 79.6 ± 10.4% of 16S rRNA gene sequences), with Bacteroidetes and Actinobacteria the next most abundant. Among the more abundant (≥1% overall relative sequence abundance) genus-level taxa, four zero-radius operational taxonomic units (zOTUs) were significantly higher in the European-ancestry cohort, namely members of the Subdoligranulum, Blautia, Ruminoclostridium, and Dorea genera. Differential abundance analysis further identified a number of additional zOTUs to be disproportionately overrepresented across the two ethnicities, with the majority of taxa exhibiting a higher abundance in the Chinese-ancestry cohort. Our findings underscore a potential influence of ethnicity on gut microbiota composition in the context of individuals with overweight and prediabetes.
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Affiliation(s)
- Akarsh Mathrani
- School of Biological Sciences, University of Auckland, Auckland, New Zealand
- High-Value Nutrition National Science Challenge, Auckland, New Zealand
| | - Louise W. Lu
- School of Biological Sciences, University of Auckland, Auckland, New Zealand
- High-Value Nutrition National Science Challenge, Auckland, New Zealand
- Human Nutrition Unit, University of Auckland, Auckland, New Zealand
| | - Ivana R. Sequeira-Bisson
- School of Biological Sciences, University of Auckland, Auckland, New Zealand
- High-Value Nutrition National Science Challenge, Auckland, New Zealand
- Human Nutrition Unit, University of Auckland, Auckland, New Zealand
| | - Marta P. Silvestre
- School of Biological Sciences, University of Auckland, Auckland, New Zealand
- Human Nutrition Unit, University of Auckland, Auckland, New Zealand
- Centro de Investigação em Tecnologias e Serviços de Saúde (CINTESIS), NOVA University of Lisbon, Lisbon, Portugal
| | - Michael Hoggard
- School of Biological Sciences, University of Auckland, Auckland, New Zealand
| | - Daniel Barnett
- Department of Statistics, University of Auckland, Auckland, New Zealand
| | - Mikael Fogelholm
- Department of Food and Nutrition, Faculty of Agriculture and Forestry, University of Helsinki, Helsinki, Finland
| | - Anne Raben
- Department of Nutrition, Exercise and Sports, Faculty of Science, University of Copenhagen, Copenhagen, Denmark
- Clinical Research, Copenhagen University Hospital – Steno Diabetes Center Copenhagen, Herlev, Denmark
| | - Sally D. Poppitt
- School of Biological Sciences, University of Auckland, Auckland, New Zealand
- High-Value Nutrition National Science Challenge, Auckland, New Zealand
- Human Nutrition Unit, University of Auckland, Auckland, New Zealand
- Department of Medicine, University of Auckland, Auckland, New Zealand
| | - Michael W. Taylor
- School of Biological Sciences, University of Auckland, Auckland, New Zealand
- High-Value Nutrition National Science Challenge, Auckland, New Zealand
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Van Dingenen L, Segers C, Wouters S, Mysara M, Leys N, Kumar-Singh S, Malhotra-Kumar S, Van Houdt R. Dissecting the role of the gut microbiome and fecal microbiota transplantation in radio- and immunotherapy treatment of colorectal cancer. Front Cell Infect Microbiol 2023; 13:1298264. [PMID: 38035338 PMCID: PMC10687483 DOI: 10.3389/fcimb.2023.1298264] [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: 09/21/2023] [Accepted: 10/31/2023] [Indexed: 12/02/2023] Open
Abstract
Colorectal cancer (CRC) is one of the most commonly diagnosed cancers and poses a major burden on the human health worldwide. At the moment, treatment of CRC consists of surgery in combination with (neo)adjuvant chemotherapy and/or radiotherapy. More recently, immune checkpoint blockers (ICBs) have also been approved for CRC treatment. In addition, recent studies have shown that radiotherapy and ICBs act synergistically, with radiotherapy stimulating the immune system that is activated by ICBs. However, both treatments are also associated with severe toxicity and efficacy issues, which can lead to temporary or permanent discontinuation of these treatment programs. There's growing evidence pointing to the gut microbiome playing a role in these issues. Some microorganisms seem to contribute to radiotherapy-associated toxicity and hinder ICB efficacy, while others seem to reduce radiotherapy-associated toxicity or enhance ICB efficacy. Consequently, fecal microbiota transplantation (FMT) has been applied to reduce radio- and immunotherapy-related toxicity and enhance their efficacies. Here, we have reviewed the currently available preclinical and clinical data in CRC treatment, with a focus on how the gut microbiome influences radio- and immunotherapy toxicity and efficacy and if these treatments could benefit from FMT.
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Affiliation(s)
- Lena Van Dingenen
- Nuclear Medical Applications, Belgian Nuclear Research Centre, SCK CEN, Mol, Belgium
- Laboratory of Medical Microbiology, Vaccine and Infectious Disease Institute, Faculty of Medicine, University of Antwerp, Antwerp, Belgium
| | - Charlotte Segers
- Nuclear Medical Applications, Belgian Nuclear Research Centre, SCK CEN, Mol, Belgium
| | - Shari Wouters
- Nuclear Medical Applications, Belgian Nuclear Research Centre, SCK CEN, Mol, Belgium
- Molecular Pathology Group, Laboratory of Cell Biology and Histology, Faculty of Medicine, University of Antwerp, Antwerp, Belgium
| | - Mohamed Mysara
- Bioinformatics Group, Center for Informatics Science, School of Information Technology and Computer Science, Nile University, Giza, Egypt
| | - Natalie Leys
- Nuclear Medical Applications, Belgian Nuclear Research Centre, SCK CEN, Mol, Belgium
| | - Samir Kumar-Singh
- Laboratory of Medical Microbiology, Vaccine and Infectious Disease Institute, Faculty of Medicine, University of Antwerp, Antwerp, Belgium
- Molecular Pathology Group, Laboratory of Cell Biology and Histology, Faculty of Medicine, University of Antwerp, Antwerp, Belgium
| | - Surbhi Malhotra-Kumar
- Laboratory of Medical Microbiology, Vaccine and Infectious Disease Institute, Faculty of Medicine, University of Antwerp, Antwerp, Belgium
| | - Rob Van Houdt
- Nuclear Medical Applications, Belgian Nuclear Research Centre, SCK CEN, Mol, Belgium
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Bruijstens AL, Molenaar S, Wong YYM, Kraaij R, Neuteboom RF. Gut microbiota analysis in pediatric-onset multiple sclerosis compared to pediatric monophasic demyelinating syndromes and pediatric controls. Eur J Neurol 2023; 30:3507-3515. [PMID: 36209482 DOI: 10.1111/ene.15594] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 08/23/2022] [Accepted: 09/15/2022] [Indexed: 10/15/2023]
Abstract
BACKGROUND AND PURPOSE Gut microbiota dysbiosis may lead to proinflammatory conditions contributing to multiple sclerosis (MS) etiology. Pediatric-onset MS patients are close to biological disease onset and less exposed to confounders. Therefore, this study investigated gut microbiota composition and functional pathways in pediatric-onset MS, compared to monophasic acquired demyelinating syndromes (mADS) and healthy controls (HCs). METHODS Pediatric participants were selected from the Dutch national prospective cohort study including ADS patients and HCs <18 years old. Amplicon sequence variants (ASVs) were generated from sequencing the V3/4 regions of the 16S rRNA gene. Functional MetaCyc microbial pathways were predicted based on Enzyme Commission numbers. Gut microbiota composition (alpha/beta diversity and individual microbe abundance at ASV to phylum level) and predicted functional pathways were tested using nonparametric tests, permutational multivariate analysis of variance, and linear regression. RESULTS Twenty-six pediatric-onset MS (24 with disease-modifying therapy [DMT]), 25 mADS, and 24 HC subjects were included. Alpha/beta diversity, abundance of individual resident microbes, and microbial functional features were not different between these participant groups. Body mass index (BMI) showed significant differences, with obese children having a lower alpha diversity (Chao1 Index p = 0.015, Shannon/Simpson Diversity Index p = 0.014/p = 0.023), divergent beta diversity (R2 = 3.7%, p = 0.013), and higher abundance of numerous individual resident microbes and functional microbial pathways. CONCLUSIONS Previous results of gut microbiota composition and predicted functional features could not be validated in this Dutch pediatric-onset MS cohort using a more sensitive 16S pipeline, although it was limited by sample size and DMT use. Notably, several other host-related factors were found to associate with gut microbiota variation, especially BMI.
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Affiliation(s)
- Arlette L Bruijstens
- Department of Neurology, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Sandy Molenaar
- Department of Neurology, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Yu Yi M Wong
- Department of Neurology, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Robert Kraaij
- Department of Internal Medicine, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Rinze F Neuteboom
- Department of Neurology, Erasmus University Medical Center, Rotterdam, the Netherlands
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Verhaar BJH, Mosterd CM, Collard D, Galenkamp H, Muller M, Rampanelli E, van Raalte DH, Nieuwdorp M, van den Born BJH. Sex differences in associations of plasma metabolites with blood pressure and heart rate variability: The HELIUS study. Atherosclerosis 2023; 384:117147. [PMID: 37286456 DOI: 10.1016/j.atherosclerosis.2023.05.016] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 04/27/2023] [Accepted: 05/17/2023] [Indexed: 06/09/2023]
Abstract
BACKGROUND AND AIMS Since plasma metabolites can modulate blood pressure (BP) and vary between men and women, we examined sex differences in plasma metabolite profiles associated with BP and sympathicovagal balance. Our secondary aim was to investigate associations between gut microbiota composition and plasma metabolites predictive of BP and heart rate variability (HRV). METHODS From the HELIUS cohort, we included 196 women and 173 men. Office systolic BP and diastolic BP were recorded, and heart rate variability (HRV) and baroreceptor sensitivity (BRS) were calculated using finger photoplethysmography. Plasma metabolomics was measured using untargeted LC-MS/MS. Gut microbiota composition was determined using 16S sequencing. We used machine learning models to predict BP and HRV from metabolite profiles, and to predict metabolite levels from gut microbiota composition. RESULTS In women, best predicting metabolites for systolic BP included dihomo-lineoylcarnitine, 4-hydroxyphenylacetateglutamine and vanillactate. In men, top predictors included sphingomyelins, N-formylmethionine and conjugated bile acids. Best predictors for HRV in men included phenylacetate and gentisate, which were associated with lower HRV in men but not in women. Several of these metabolites were associated with gut microbiota composition, including phenylacetate, multiple sphingomyelins and gentisate. CONCLUSIONS Plasma metabolite profiles are associated with BP in a sex-specific manner. Catecholamine derivatives were more important predictors for BP in women, while sphingomyelins were more important in men. Several metabolites were associated with gut microbiota composition, providing potential targets for intervention.
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Affiliation(s)
- Barbara J H Verhaar
- Department of Internal and Vascular Medicine, Amsterdam UMC, Location AMC, Amsterdam, the Netherlands; Department of Internal Medicine - Geriatrics, Amsterdam UMC, Location VUmc, Amsterdam Cardiovascular Sciences, Amsterdam, the Netherlands.
| | - Charlotte M Mosterd
- Department of Internal and Vascular Medicine, Amsterdam UMC, Location AMC, Amsterdam, the Netherlands; Diabetes Center, Department of Internal Medicine, Amsterdam UMC, Location VUmc, Amsterdam, the Netherlands
| | - Didier Collard
- Department of Internal and Vascular Medicine, Amsterdam UMC, Location AMC, Amsterdam, the Netherlands
| | - Henrike Galenkamp
- Department of Public and Occupational Health, Amsterdam UMC, Location AMC, Amsterdam, the Netherlands; Amsterdam Public Health Research Institute, Health Behaviors and Chronic Diseases, Amsterdam, the Netherlands
| | - Majon Muller
- Department of Internal Medicine - Geriatrics, Amsterdam UMC, Location VUmc, Amsterdam Cardiovascular Sciences, Amsterdam, the Netherlands
| | - Elena Rampanelli
- Department of Internal and Vascular Medicine, Amsterdam UMC, Location AMC, Amsterdam, the Netherlands
| | - Daniël H van Raalte
- Department of Internal and Vascular Medicine, Amsterdam UMC, Location AMC, Amsterdam, the Netherlands; Diabetes Center, Department of Internal Medicine, Amsterdam UMC, Location VUmc, Amsterdam, the Netherlands
| | - Max Nieuwdorp
- Department of Internal and Vascular Medicine, Amsterdam UMC, Location AMC, Amsterdam, the Netherlands; Wallenberg Laboratory, Department of Molecular and Clinical Medicine, Sahlgrenska Academy, Goteborgs Universitet, Gothenburg, Sweden
| | - Bert-Jan H van den Born
- Department of Internal and Vascular Medicine, Amsterdam UMC, Location AMC, Amsterdam, the Netherlands; Department of Public and Occupational Health, Amsterdam UMC, Location AMC, Amsterdam, the Netherlands
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Li H, Ma X, Li Y, Liu Q, Tian Q, Yang X, Zhou Z, Ren J, Sun B, Feng X, Zhang H, Yin X, Li H, Ding X. The metagenomic and metabolomic profile of the gut microbes in Chinese full-term and late preterm infants treated with Clostridium butyricum. Sci Rep 2023; 13:18775. [PMID: 37907561 PMCID: PMC10618524 DOI: 10.1038/s41598-023-45586-2] [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: 04/03/2023] [Accepted: 10/21/2023] [Indexed: 11/02/2023] Open
Abstract
The present study investigated the composition, abundance, and diversity of gut microbes in full-term and late-preterm infants from a medical center in eastern China. A total of 144 genomes of stool samples were captured for 16S rRNA metagenomic analyses. A high abundance of commensal intestinal bacteria was detected in these samples such as Phocaeicola vulgatus, Escherichia coli, and Faecalibacterium prausnitzii, indicating a relatively consistent diversity of gut microbes in the present full-term infants aged 38-40 weeks. However, late preterm infants (n = 50) with mandatory antimicrobials feeding exhibited lower diversity but a higher composition of opportunistic pathogens such as Enterococcus species. Centralized on the situation, we explored the regulatory effect of Clostridium butyricum as probiotics on these late preterm infants. The consumption of C. butyricum did not restore the composition of gut microbes altered by antimicrobials to normal levels, although several opportunistic pathogens decreased significantly after probiotic therapy including Staphylococcus aureus, Sphingomonas echinoides, and Pseudomonas putida. We also compared the effects of day-fed versus night-fed probiotics. Intriguingly, the nighttime feeding showed a higher proportion of C. butyricum compared with probiotic day-feeding. Finally, fecal metabolome and metabolites were analyzed in late preterm infants with (n = 20) or without probiotic therapy (n = 20). The KEGG enrichment analysis demonstrated that vitamin digestion and absorption, synaptic vesicle cycle, and biotin metabolism were significantly increased in the probiotic-treated group, while MSEA indicated that a series of metabolism were significantly enriched in probiotic-treated infants including glycerolipid, biotin, and lysine, indicating the complex effects of probiotic therapy on glutathione metabolism and nutrients digestion and absorption in late preterm infants. Overall, this study provided metagenomic and metabolomic profile of the gut microbes in full-term newborns and late preterm infants in eastern China. Further studies are needed to support and elucidate the role of probiotic feeding in late preterm infants with mandatory antimicrobial treatment.
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Affiliation(s)
- Hong Li
- Soochow Key Laboratory of Prevention and Treatment of Child Brain Injury, Children's Hospital of Soochow University, #303 Jingde Road, Gusu District, Suzhou, 215003, Jiangsu, China
| | - Xingling Ma
- Soochow Key Laboratory of Prevention and Treatment of Child Brain Injury, Children's Hospital of Soochow University, #303 Jingde Road, Gusu District, Suzhou, 215003, Jiangsu, China
| | - Yongfu Li
- Neonatology Department, Suzhou Science and Technology Town Hospital, Suzhou, Jiangsu, China
| | - Qin Liu
- Neonatology Department, Suzhou Science and Technology Town Hospital, Suzhou, Jiangsu, China
- Pediatric Department, Suzhou New District Yangshan Community Health Service Center, Suzhou, China
| | - Qiuyan Tian
- Soochow Key Laboratory of Prevention and Treatment of Child Brain Injury, Children's Hospital of Soochow University, #303 Jingde Road, Gusu District, Suzhou, 215003, Jiangsu, China
| | - Xiaofeng Yang
- Soochow Key Laboratory of Prevention and Treatment of Child Brain Injury, Children's Hospital of Soochow University, #303 Jingde Road, Gusu District, Suzhou, 215003, Jiangsu, China
| | - Zhemin Zhou
- Pasteurien College, Suzhou Medical College of Soochow University, Suzhou, Jiangsu, China
| | - Jing Ren
- Soochow Key Laboratory of Prevention and Treatment of Child Brain Injury, Children's Hospital of Soochow University, #303 Jingde Road, Gusu District, Suzhou, 215003, Jiangsu, China
| | - Bin Sun
- Soochow Key Laboratory of Prevention and Treatment of Child Brain Injury, Children's Hospital of Soochow University, #303 Jingde Road, Gusu District, Suzhou, 215003, Jiangsu, China
| | - Xing Feng
- Soochow Key Laboratory of Prevention and Treatment of Child Brain Injury, Children's Hospital of Soochow University, #303 Jingde Road, Gusu District, Suzhou, 215003, Jiangsu, China
| | - Hong Zhang
- Taixing People's Hospital, Taizhou, Jiangsu, China
| | - Xiaoping Yin
- Taixing People's Hospital, Taizhou, Jiangsu, China
| | - Heng Li
- Pasteurien College, Suzhou Medical College of Soochow University, Suzhou, Jiangsu, China.
| | - Xin Ding
- Soochow Key Laboratory of Prevention and Treatment of Child Brain Injury, Children's Hospital of Soochow University, #303 Jingde Road, Gusu District, Suzhou, 215003, Jiangsu, China.
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Cheung MK, Ng RWY, Lai CKC, Zhu C, Au ETK, Yau JWK, Li C, Wong HC, Wong BCK, Kwok KO, Chen Z, Chan PKS, Lui GCY, Ip M. Alterations in faecal microbiome and resistome in Chinese international travellers: a metagenomic analysis. J Travel Med 2023; 30:taad027. [PMID: 36864573 PMCID: PMC10628765 DOI: 10.1093/jtm/taad027] [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: 11/22/2022] [Revised: 02/20/2023] [Accepted: 02/21/2023] [Indexed: 03/04/2023]
Abstract
BACKGROUND International travel increases the risk of acquisition of antibiotic-resistant bacteria and antibiotic resistance genes (ARGs). Previous studies have characterized the changes in the gut microbiome and resistome of Western travellers; however, information on non-Western populations and the effects of travel-related risk factors on the gut microbiome and resistome remains limited. METHODS We conducted a prospective observational study on a cohort of 90 healthy Chinese adult residents of Hong Kong. We characterized the microbiome and resistome in stools collected from the subjects before and after travelling to diverse international locations using shotgun metagenomic sequencing and examined their associations with travel-related variables. RESULTS Our results showed that travel neither significantly changed the taxonomic composition of the faecal microbiota nor altered the alpha (Shannon) or beta diversity of the faecal microbiome or resistome. However, travel significantly increased the number of ARGs. Ten ARGs, including aadA, TEM, mgrB, mphA, qnrS9 and tetR, were significantly enriched in relative abundance after travel, eight of which were detected in metagenomic bins belonging to Escherichia/Shigella flexneri in the post-trip samples. In sum, 30 ARGs significantly increased in prevalence after travel, with the largest changes observed in tetD and a few qnrS variants (qnrS9, qnrS and qnrS8). We found that travel to low- or middle-income countries, or Africa or Southeast Asia, increased the number of ARG subtypes, whereas travel to low- or middle-income countries and the use of alcohol-based hand sanitizer (ABHS) or doxycycline as antimalarial prophylaxis during travel resulted in increased changes in the beta diversity of the faecal resistome. CONCLUSIONS Our study highlights travel to low- or middle-income countries, Africa or Southeast Asia, a long travel duration, or the use of ABHS or doxycycline as antimalarial prophylaxis as important risk factors for the acquisition/enrichment of ARGs during international travel.
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Affiliation(s)
- Man Kit Cheung
- Department of Microbiology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong Special Administrative Region, China
| | - Rita W Y Ng
- Department of Microbiology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong Special Administrative Region, China
| | - Christopher K C Lai
- Department of Microbiology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong Special Administrative Region, China
| | - Chendi Zhu
- Department of Microbiology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong Special Administrative Region, China
| | - Eva T K Au
- University Health Service, The Hong Kong Polytechnic University, Hong Kong Special Administrative Region, China
| | - Jennifer W K Yau
- Department of Microbiology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong Special Administrative Region, China
| | - Carmen Li
- Department of Microbiology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong Special Administrative Region, China
| | - Ho Cheong Wong
- University Health Service, The Hong Kong Polytechnic University, Hong Kong Special Administrative Region, China
| | - Bonnie C K Wong
- Department of Medicine & Therapeutics, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong Special Administrative Region, China
| | - Kin On Kwok
- The Jockey Club School of Public Health and Primary Care, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong Special Administrative Region, China
- Stanley Ho Centre for Emerging Infectious Diseases, The Chinese University of Hong Kong, Hong Kong Special Administrative Region, China
- Hong Kong Institute of Asia-Pacific Studies, The Chinese University of Hong Kong, Hong Kong Special Administrative Region, China
| | - Zigui Chen
- Department of Microbiology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong Special Administrative Region, China
| | - Paul K S Chan
- Department of Microbiology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong Special Administrative Region, China
| | - Grace C Y Lui
- Department of Medicine & Therapeutics, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong Special Administrative Region, China
| | - Margaret Ip
- Department of Microbiology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong Special Administrative Region, China
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Vulpoi RA, Luca M, Ciobanu A, Olteanu A, Bărboi O, Iov DE, Nichita L, Ciortescu I, Cijevschi Prelipcean C, Ștefănescu G, Mihai C, Drug VL. The Potential Use of Artificial Intelligence in Irritable Bowel Syndrome Management. Diagnostics (Basel) 2023; 13:3336. [PMID: 37958232 PMCID: PMC10648815 DOI: 10.3390/diagnostics13213336] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Revised: 10/24/2023] [Accepted: 10/28/2023] [Indexed: 11/15/2023] Open
Abstract
Irritable bowel syndrome (IBS) has a global prevalence of around 4.1% and is associated with a low quality of life and increased healthcare costs. Current guidelines recommend that IBS is diagnosed using the symptom-based Rome IV criteria. Despite this, when patients seek medical attention, they are usually over-investigated. This issue might be resolved by novel technologies in medicine, such as the use of Artificial Intelligence (AI). In this context, this paper aims to review AI applications in IBS. AI in colonoscopy proved to be useful in organic lesion detection and diagnosis and in objectively assessing the quality of the procedure. Only a recently published study talked about the potential of AI-colonoscopy in IBS. AI was also used to study biofilm characteristics in the large bowel and establish a potential relationship with IBS. Moreover, an AI algorithm was developed in order to correlate specific bowel sounds with IBS. In addition to that, AI-based smartphone applications have been developed to facilitate the monitoring of IBS symptoms. From a therapeutic standpoint, an AI system was created to recommend specific diets based on an individual's microbiota. In conclusion, future IBS diagnosis and treatment may benefit from AI.
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Affiliation(s)
- Radu Alexandru Vulpoi
- Faculty of Medicine, Department of Internal Medicine, University of Medicine and Pharmacy “Grigore T. Popa”, 700111 Iasi, Romania; (R.A.V.); (A.O.); (D.-E.I.); (L.N.); (I.C.); (C.C.P.); (G.Ș.); (C.M.); (V.L.D.)
- Emergency Clinical Hospital “Saint Spiridon”, Institute of Gastroenterology and Hepatology, 700111 Iasi, Romania
| | - Mihaela Luca
- Institute of Computer Science, Romanian Academy-Iasi Branch, 700481 Iasi, Romania; (M.L.); (A.C.)
| | - Adrian Ciobanu
- Institute of Computer Science, Romanian Academy-Iasi Branch, 700481 Iasi, Romania; (M.L.); (A.C.)
| | - Andrei Olteanu
- Faculty of Medicine, Department of Internal Medicine, University of Medicine and Pharmacy “Grigore T. Popa”, 700111 Iasi, Romania; (R.A.V.); (A.O.); (D.-E.I.); (L.N.); (I.C.); (C.C.P.); (G.Ș.); (C.M.); (V.L.D.)
- Emergency Clinical Hospital “Saint Spiridon”, Institute of Gastroenterology and Hepatology, 700111 Iasi, Romania
| | - Oana Bărboi
- Faculty of Medicine, Department of Internal Medicine, University of Medicine and Pharmacy “Grigore T. Popa”, 700111 Iasi, Romania; (R.A.V.); (A.O.); (D.-E.I.); (L.N.); (I.C.); (C.C.P.); (G.Ș.); (C.M.); (V.L.D.)
- Emergency Clinical Hospital “Saint Spiridon”, Institute of Gastroenterology and Hepatology, 700111 Iasi, Romania
| | - Diana-Elena Iov
- Faculty of Medicine, Department of Internal Medicine, University of Medicine and Pharmacy “Grigore T. Popa”, 700111 Iasi, Romania; (R.A.V.); (A.O.); (D.-E.I.); (L.N.); (I.C.); (C.C.P.); (G.Ș.); (C.M.); (V.L.D.)
- Emergency Clinical Hospital “Saint Spiridon”, Institute of Gastroenterology and Hepatology, 700111 Iasi, Romania
| | - Loredana Nichita
- Faculty of Medicine, Department of Internal Medicine, University of Medicine and Pharmacy “Grigore T. Popa”, 700111 Iasi, Romania; (R.A.V.); (A.O.); (D.-E.I.); (L.N.); (I.C.); (C.C.P.); (G.Ș.); (C.M.); (V.L.D.)
- Emergency Clinical Hospital “Saint Spiridon”, Institute of Gastroenterology and Hepatology, 700111 Iasi, Romania
| | - Irina Ciortescu
- Faculty of Medicine, Department of Internal Medicine, University of Medicine and Pharmacy “Grigore T. Popa”, 700111 Iasi, Romania; (R.A.V.); (A.O.); (D.-E.I.); (L.N.); (I.C.); (C.C.P.); (G.Ș.); (C.M.); (V.L.D.)
- Emergency Clinical Hospital “Saint Spiridon”, Institute of Gastroenterology and Hepatology, 700111 Iasi, Romania
| | - Cristina Cijevschi Prelipcean
- Faculty of Medicine, Department of Internal Medicine, University of Medicine and Pharmacy “Grigore T. Popa”, 700111 Iasi, Romania; (R.A.V.); (A.O.); (D.-E.I.); (L.N.); (I.C.); (C.C.P.); (G.Ș.); (C.M.); (V.L.D.)
- Emergency Clinical Hospital “Saint Spiridon”, Institute of Gastroenterology and Hepatology, 700111 Iasi, Romania
| | - Gabriela Ștefănescu
- Faculty of Medicine, Department of Internal Medicine, University of Medicine and Pharmacy “Grigore T. Popa”, 700111 Iasi, Romania; (R.A.V.); (A.O.); (D.-E.I.); (L.N.); (I.C.); (C.C.P.); (G.Ș.); (C.M.); (V.L.D.)
- Emergency Clinical Hospital “Saint Spiridon”, Institute of Gastroenterology and Hepatology, 700111 Iasi, Romania
| | - Cătălina Mihai
- Faculty of Medicine, Department of Internal Medicine, University of Medicine and Pharmacy “Grigore T. Popa”, 700111 Iasi, Romania; (R.A.V.); (A.O.); (D.-E.I.); (L.N.); (I.C.); (C.C.P.); (G.Ș.); (C.M.); (V.L.D.)
- Emergency Clinical Hospital “Saint Spiridon”, Institute of Gastroenterology and Hepatology, 700111 Iasi, Romania
| | - Vasile Liviu Drug
- Faculty of Medicine, Department of Internal Medicine, University of Medicine and Pharmacy “Grigore T. Popa”, 700111 Iasi, Romania; (R.A.V.); (A.O.); (D.-E.I.); (L.N.); (I.C.); (C.C.P.); (G.Ș.); (C.M.); (V.L.D.)
- Emergency Clinical Hospital “Saint Spiridon”, Institute of Gastroenterology and Hepatology, 700111 Iasi, Romania
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