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Xie Y, Li X, Meng Q, Li J, Wang X, Zhu L, Wang W, Li X. Interplay between gut microbiota and tryptophan metabolism in type 2 diabetic mice treated with metformin. Microbiol Spectr 2024; 12:e0029124. [PMID: 39162538 PMCID: PMC11448047 DOI: 10.1128/spectrum.00291-24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Accepted: 07/13/2024] [Indexed: 08/21/2024] Open
Abstract
Tryptophan (TRP) metabolites have been identified as potent biomarkers for complications of type 2 diabetes mellitus (T2DM). However, it remains unclear whether the therapeutic effect of metformin in T2DM is related to the modulation of TRP metabolic pathway. This study aims to investigate whether metformin affects TRP metabolism in T2DM mice through the gut microbiota. A liquid chromatography-tandem mass spectrometry method was established to determine 16 TRP metabolites in the serum, colon content, urine, and feces of T2DM mice, and the correlations between metabolites and the T2DM mice gut microbiota were performed. The method demonstrated acceptable linearity (R2 > 0.996), with the limit of quantification ranging from 0.29 to 69.444 nmol/L for 16 analytes, and the limit of detection ranging from 0.087 to 20.833 nmol/L. In T2DM mice, metformin treatment effectively restored levels of indole-3-lactic acid (ILA), indole-3-propionic acid (IPA), and the ILA/IPA ratio, along with several aryl hydrocarbon receptor ligands in the serum, with a notable impact in the colon but not in the urine. This restoration was accompanied by a shift in the relative abundance of Dubosiella, Turicibacter, RF39, Clostridia_UCG-014, and Alistipes. Spearman's correlation analysis revealed positive correlations between Turicibacter and Alistipes with IPA and indole-3-acetic acid. Conversely, these genera displayed negative correlations with ILA and kynurenine. In addition, our study revealed the presence of endogenous indole pathway in germ-free mice, and the impact of metformin on endogenous TRP metabolism in T2DM mice cannot be disregarded. Further research is needed to investigate the regulation of TRP metabolism by metformin. IMPORTANCE This study provides valuable insights into the interrelationship between metformin administration, changes in the tryptophan (TRP) metabolome, and gut microbiota in type 2 diabetes mellitus (T2DM) mice. Indole-3-lactic acid (ILA)/indole-3-propionic acid (IPA) emerges as a potential biomarker for the development of T2DM and prediction of therapeutic response. While the indole metabolic pathway has long been associated exclusively with the gut microbiome, recent research has demonstrated the ability of host interleukin-4-induced-1 to metabolize TRP. The detection of indole derivatives in the serum of germ-free mice suggests the existence of inherent endogenous indole metabolic pathways. These findings deepen our understanding of metformin's efficacy in correcting TRP metabolic disorders and provide valuable directions for further investigation. Moreover, this knowledge may pave the way for the development of targeted treatment strategies for T2DM, focusing on the gut microbiome and restoration of associated TRP metabolism.
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Affiliation(s)
- Yvhao Xie
- College of Animal Science, Shanxi Agricultural University, Taigu, China
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products & Food Sciences Institute, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Xinxin Li
- College of Animal Science, Shanxi Agricultural University, Taigu, China
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products & Food Sciences Institute, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Qingshi Meng
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Jinjun Li
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products & Food Sciences Institute, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Xin Wang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products & Food Sciences Institute, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Liying Zhu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products & Food Sciences Institute, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Weiwei Wang
- College of Animal Science, Shanxi Agricultural University, Taigu, China
| | - Xiaoqiong Li
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products & Food Sciences Institute, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
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Niu X, Wang Y, Huang L, Guo P, Zhang S, Sun Y, Jin M. Effect of oral metformin on gut microbiota characteristics and metabolite fractions in normal-weight type 2 diabetic mellitus patients. Front Endocrinol (Lausanne) 2024; 15:1397034. [PMID: 39257903 PMCID: PMC11385314 DOI: 10.3389/fendo.2024.1397034] [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: 03/06/2024] [Accepted: 07/01/2024] [Indexed: 09/12/2024] Open
Abstract
Background and aims To analyze the effect of oral metformin on changes in gut microbiota characteristics and metabolite composition in normal weight type 2 diabetic patients. Methods T2DM patients in the cross-sectional study were given metformin for 12 weeks. Patients with unmedicated T2DM were used as a control group to observe the metrics of T2DM patients treated with metformin regimen. 16S rDNA high-throughput gene sequencing of fecal gut microbiota of the study subjects was performed by llumina NovaSeq6000 platform. Targeted macro-metabolomics was performed on 14 cases of each of the gut microbiota metabolites of the study subjects using UPLC-MS/MS technology. Correlations between the characteristics of the gut microbiota and its metabolites, basic human parameters, glycolipid metabolism indicators, and inflammatory factors were analyzed using spearman analysis. Results Glycolipid metabolism indexes and inflammatory factors were higher in normal-weight T2DM patients than in the healthy population (P<0.05), but body weight, BMI, waist circumference, and inflammatory factor concentrations were lower in normal-weight T2DM patients than in obese T2DM patients (P<0.05). Treatment with metformin in T2DM patients improved glycolipid metabolism, but the recovery of glycolipid metabolism was more pronounced in obese T2DM patients. None of the differences in α-diversity indexes were statistically significant (P>0.05), and the differences in β-diversity were statistically significant (P <0.05). Community diversity and species richness recovered after metformin intervention compared to before, and were closer to the healthy population. We found that Anaerostipes/Xylose/Ribulose/Xylulose may play an important role in the treatment of normal-weight T2DM with metformin by improving glycemic lipids and reducing inflammation. And Metformin may play a role in obese T2DM through Romboutsia, medium-chain fatty acids (octanoic acid, decanoic acid, and dodecanoic acid). Conclusion Gut microbial dysbiosis and metabolic disorders were closely related to glucose-lipid metabolism and systemic inflammatory response in normal-weight T2DM patients. Metformin treatment improved glucose metabolism levels, systemic inflammation levels in T2DM patients, closer to the state of healthy population. This effect may be mediated by influencing the gut microbiota and microbial host co-metabolites, mainly associated with Anaerostipes and xylose/Ribulose/Xylulose. Metformin may exert its effects through different pathways in normal-weight versus obese T2DM patients.
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Affiliation(s)
- Xiaohong Niu
- Endocrine and Metabolic Pathology, Shanxi Medical University, Taiyuan, China
- Department of Endocrinology, Changzhi Medical College Affiliated Heji Hospital, Changzhi, China
| | - Ying Wang
- Endocrine and Metabolic Pathology, Changzhi Medical College, Changzhi, China
| | - Linqing Huang
- Endocrine and Metabolic Pathology, Changzhi Medical College, Changzhi, China
| | - Pengna Guo
- Endocrine and Metabolic Pathology, Changzhi Medical College, Changzhi, China
| | - Shi Zhang
- Endocrine and Metabolic Pathology, Changzhi Medical College, Changzhi, China
| | - Yan Sun
- Department of Endocrinology, Changzhi Medical College Affiliated Heji Hospital, Changzhi, China
| | - Miaomiao Jin
- Department of Endocrinology, Changzhi Medical College Affiliated Heji Hospital, Changzhi, China
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Deli CK, Fatouros IG, Poulios A, Liakou CA, Draganidis D, Papanikolaou K, Rosvoglou A, Gatsas A, Georgakouli K, Tsimeas P, Jamurtas AZ. Gut Microbiota in the Progression of Type 2 Diabetes and the Potential Role of Exercise: A Critical Review. Life (Basel) 2024; 14:1016. [PMID: 39202758 PMCID: PMC11355287 DOI: 10.3390/life14081016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2024] [Revised: 08/08/2024] [Accepted: 08/13/2024] [Indexed: 09/03/2024] Open
Abstract
Type 2 diabetes (T2D) is the predominant metabolic epidemic posing a major threat to global health. Growing evidence indicates that gut microbiota (GM) may critically influence the progression from normal glucose tolerance, to pre-diabetes, to T2D. On the other hand, regular exercise contributes to the prevention and/or treatment of the disease, and evidence suggests that a possible way regular exercise favorably affects T2D is by altering GM composition toward health-promoting bacteria. However, research regarding this potential effect of exercise-induced changes of GM on T2D and the associated mechanisms through which these effects are accomplished is limited. This review presents current data regarding the association of GM composition and T2D and the possible critical GM differentiation in the progression from normal glucose, to pre-diabetes, to T2D. Additionally, potential mechanisms through which GM may affect T2D are presented. The effect of exercise on GM composition and function on T2D progression is also discussed.
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Affiliation(s)
- Chariklia K. Deli
- Department of Physical Education and Sport Science, School of Physical Education, Sport Science, and Dietetics, University of Thessaly, 42100 Trikala, Greece; (I.G.F.); (A.P.); (C.A.L.); (D.D.); (K.P.); (A.R.); (A.G.); (P.T.); (A.Z.J.)
| | - Ioannis G. Fatouros
- Department of Physical Education and Sport Science, School of Physical Education, Sport Science, and Dietetics, University of Thessaly, 42100 Trikala, Greece; (I.G.F.); (A.P.); (C.A.L.); (D.D.); (K.P.); (A.R.); (A.G.); (P.T.); (A.Z.J.)
| | - Athanasios Poulios
- Department of Physical Education and Sport Science, School of Physical Education, Sport Science, and Dietetics, University of Thessaly, 42100 Trikala, Greece; (I.G.F.); (A.P.); (C.A.L.); (D.D.); (K.P.); (A.R.); (A.G.); (P.T.); (A.Z.J.)
| | - Christina A. Liakou
- Department of Physical Education and Sport Science, School of Physical Education, Sport Science, and Dietetics, University of Thessaly, 42100 Trikala, Greece; (I.G.F.); (A.P.); (C.A.L.); (D.D.); (K.P.); (A.R.); (A.G.); (P.T.); (A.Z.J.)
| | - Dimitrios Draganidis
- Department of Physical Education and Sport Science, School of Physical Education, Sport Science, and Dietetics, University of Thessaly, 42100 Trikala, Greece; (I.G.F.); (A.P.); (C.A.L.); (D.D.); (K.P.); (A.R.); (A.G.); (P.T.); (A.Z.J.)
| | - Konstantinos Papanikolaou
- Department of Physical Education and Sport Science, School of Physical Education, Sport Science, and Dietetics, University of Thessaly, 42100 Trikala, Greece; (I.G.F.); (A.P.); (C.A.L.); (D.D.); (K.P.); (A.R.); (A.G.); (P.T.); (A.Z.J.)
| | - Anastasia Rosvoglou
- Department of Physical Education and Sport Science, School of Physical Education, Sport Science, and Dietetics, University of Thessaly, 42100 Trikala, Greece; (I.G.F.); (A.P.); (C.A.L.); (D.D.); (K.P.); (A.R.); (A.G.); (P.T.); (A.Z.J.)
| | - Athanasios Gatsas
- Department of Physical Education and Sport Science, School of Physical Education, Sport Science, and Dietetics, University of Thessaly, 42100 Trikala, Greece; (I.G.F.); (A.P.); (C.A.L.); (D.D.); (K.P.); (A.R.); (A.G.); (P.T.); (A.Z.J.)
| | - Kalliopi Georgakouli
- Department of Dietetics and Nutrition, School of Physical Education, Sport Science, and Dietetics, University of Thessaly, 42100 Trikala, Greece;
| | - Panagiotis Tsimeas
- Department of Physical Education and Sport Science, School of Physical Education, Sport Science, and Dietetics, University of Thessaly, 42100 Trikala, Greece; (I.G.F.); (A.P.); (C.A.L.); (D.D.); (K.P.); (A.R.); (A.G.); (P.T.); (A.Z.J.)
| | - Athanasios Z. Jamurtas
- Department of Physical Education and Sport Science, School of Physical Education, Sport Science, and Dietetics, University of Thessaly, 42100 Trikala, Greece; (I.G.F.); (A.P.); (C.A.L.); (D.D.); (K.P.); (A.R.); (A.G.); (P.T.); (A.Z.J.)
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Beura S, Kundu P, Das AK, Ghosh A. Genome-scale community modelling elucidates the metabolic interaction in Indian type-2 diabetic gut microbiota. Sci Rep 2024; 14:17259. [PMID: 39060274 PMCID: PMC11282233 DOI: 10.1038/s41598-024-63718-0] [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: 12/04/2023] [Accepted: 05/31/2024] [Indexed: 07/28/2024] Open
Abstract
Type-2 diabetes (T2D) is a rapidly growing multifactorial metabolic disorder that induces the onset of various diseases in the human body. The compositional and metabolic shift of the gut microbiota is a crucial factor behind T2D. Hence, gaining insight into the metabolic profile of the gut microbiota is essential for revealing their role in regulating the metabolism of T2D patients. Here, we have focused on the genome-scale community metabolic model reconstruction of crucial T2D-associated gut microbes. The model-based analysis of biochemical flux in T2D and healthy gut conditions showed distinct biochemical signatures and diverse metabolic interactions in the microbial community. The metabolic interactions encompass cross-feeding of short-chain fatty acids, amino acids, and vitamins among individual microbes within the community. In T2D conditions, a reduction in the metabolic flux of acetate, butyrate, vitamin B5, and bicarbonate was observed in the microbial community model, which can impact carbohydrate metabolism. The decline in butyrate levels is correlated with both insulin resistance and diminished glucose metabolism in T2D patients. Compared to the healthy gut, an overall reduction in glucose consumption and SCFA production flux was estimated in the T2D gut environment. Moreover, the decreased consumption profiles of branch chain amino acids (BCAAs) and aromatic amino acids (AAAs) in the T2D gut microbiota can be a distinct biomarker for T2D. Hence, the flux-level analysis of the microbial community model can provide insights into the metabolic reprogramming in diabetic gut microbiomes, which may be helpful in personalized therapeutics and diet design against T2D.
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Affiliation(s)
- Satyajit Beura
- Department of Bioscience and Biotechnology, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal, 721302, India
| | - Pritam Kundu
- School of Energy Science and Engineering, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal, 721302, India
| | - Amit Kumar Das
- Department of Bioscience and Biotechnology, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal, 721302, India
| | - Amit Ghosh
- School of Energy Science and Engineering, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal, 721302, India.
- P.K. Sinha Centre for Bioenergy and Renewables, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal, 721302, India.
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Hasnain MA, Kang D, Moon GS. Research trends of next generation probiotics. Food Sci Biotechnol 2024; 33:2111-2121. [PMID: 39130671 PMCID: PMC11315851 DOI: 10.1007/s10068-024-01626-9] [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: 04/08/2024] [Revised: 05/21/2024] [Accepted: 05/29/2024] [Indexed: 08/13/2024] Open
Abstract
Gut represents one of the largest interfaces for the interaction of host factors and the environmental ones. Gut microbiota, largely dominated by bacterial community, plays a significant role in the health status of the host. The healthy gut microbiota fulfills several vital functions such as energy metabolism, disease protection, and immune modulation. Dysbiosis, characterized by microbial imbalance, can contribute to the development of various disorders, including intestinal, systemic, metabolic, and neurodegenerative conditions. Probiotics offer the potential to address dysbiosis and improve overall health. Advancements in high-throughput sequencing, bioinformatics, and omics have enabled mechanistic studies for the development of bespoke probiotics, referred to as next generation probiotics. These tailor-made probiotics have the potential to ameliorate specific disease conditions and thus fulfill the specific consumer needs. This review discusses recent updates on the most promising next generation probiotics, along with the challenges that must be addressed to translate this concept into reality.
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Affiliation(s)
- Muhammad Adeel Hasnain
- Major in IT·Biohealth Convergence, Department of IT·Energy Convergence, Graduate School, Korea National University of Transportation, Chungju, 27469 Republic of Korea
| | - Dae‑Kyung Kang
- Department of Animal Resources Science, Dankook University, Cheonan, 31116 Republic of Korea
| | - Gi-Seong Moon
- Major in IT·Biohealth Convergence, Department of IT·Energy Convergence, Graduate School, Korea National University of Transportation, Chungju, 27469 Republic of Korea
- Major in Biotechnology, Korea National University of Transportation, Jeungpyeong, 27909 Republic of Korea
- 4D Convergence Technology Institute, Korea National University of Transportation, Jeungpyeong, 27909 Republic of Korea
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Zhang J, Yu Z, Li S, Zhang Q, Chen W, Wang J, He S, Liu Y, Chen S, Xu J. Causal relationship between T2DM microvascular complications and gut microbiota: a Mendelian randomization study. Front Endocrinol (Lausanne) 2024; 15:1349465. [PMID: 38887269 PMCID: PMC11180823 DOI: 10.3389/fendo.2024.1349465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Accepted: 05/17/2024] [Indexed: 06/20/2024] Open
Abstract
Background Gowing number of studies have demonstrated the association between gut microbiome and T2DM microvascular complications, however the causal relationship remains unclear. Therefore, we using the Mendelian randomization (MR) approach to investigate this causal relation. Methods Using gut microbiome data from the International MiBioGen Consortium genome-wide association study (GWAS) and T2DM microvascular complications data from the FinnGen Consortium GWAS to perform MR analyses. Single nucleotide polymorphisms (SNPs) were selected as instrumental variables (IVs), the inverse variance weighting (IVW) method was used as the primary analysis method, and the results were tested for heterogeneity and horizontal pleiotropy. Results Our research identified that there are 5 known microbial species and 2 unknown microbial species in the gut microbiome that were causally related to T2DM retinopathy. Besides, three and seven known microbial species causal relationships between the gut microbiome and T2DM neuropathy and T2DM nephropathy, respectively. Conclusions Using MR methods, we demonstrated the causal relationship between gut microbiome and microvascular complications in T2DM, providing a new strategy for the prevention and treatment of it.
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Affiliation(s)
- Junping Zhang
- Department of Endocrine and Metabolism, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Jiangxi, China
| | - Zilu Yu
- Queen Mary School, Medical College, Nanchang University, Nanchang, China
| | - Shanshan Li
- Department of Endocrine and Metabolism, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Jiangxi, China
| | - Qingfang Zhang
- Queen Mary School, Medical College, Nanchang University, Nanchang, China
| | - Wen Chen
- Department of Endocrine and Metabolism, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Jiangxi, China
| | - Jingying Wang
- Department of Endocrine and Metabolism, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Jiangxi, China
| | - Shasha He
- Department of Endocrine and Metabolism, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Jiangxi, China
- Jiangxi Clinical Research Center for Endocrine and Metabolic Disease, Nanchang, Jiangxi, China
- Jiangxi Branch of National Clinical Research Center for Metabolic Disease, Nanchang, Jiangxi, China
| | - Ying Liu
- Department of Endocrine and Metabolism, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Jiangxi, China
- Jiangxi Clinical Research Center for Endocrine and Metabolic Disease, Nanchang, Jiangxi, China
- Jiangxi Branch of National Clinical Research Center for Metabolic Disease, Nanchang, Jiangxi, China
| | - Shen Chen
- Department of Endocrine and Metabolism, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Jiangxi, China
| | - Jixiong Xu
- Department of Endocrine and Metabolism, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Jiangxi, China
- Jiangxi Clinical Research Center for Endocrine and Metabolic Disease, Nanchang, Jiangxi, China
- Jiangxi Branch of National Clinical Research Center for Metabolic Disease, Nanchang, Jiangxi, China
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Rekadwad BN, Shouche YS, Jangid K. A culture-independent approach, supervised machine learning, and the characterization of the microbial community composition of coastal areas across the Bay of Bengal and the Arabian Sea. BMC Microbiol 2024; 24:162. [PMID: 38730339 PMCID: PMC11084130 DOI: 10.1186/s12866-024-03295-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2023] [Accepted: 04/04/2024] [Indexed: 05/12/2024] Open
Abstract
BACKGROUND Coastal areas are subject to various anthropogenic and natural influences. In this study, we investigated and compared the characteristics of two coastal regions, Andhra Pradesh (AP) and Goa (GA), focusing on pollution, anthropogenic activities, and recreational impacts. We explored three main factors influencing the differences between these coastlines: The Bay of Bengal's shallower depth and lower salinity; upwelling phenomena due to the thermocline in the Arabian Sea; and high tides that can cause strong currents that transport pollutants and debris. RESULTS The microbial diversity in GA was significantly higher than that in AP, which might be attributed to differences in temperature, soil type, and vegetation cover. 16S rRNA amplicon sequencing and bioinformatics analysis indicated the presence of diverse microbial phyla, including candidate phyla radiation (CPR). Statistical analysis, random forest regression, and supervised machine learning models classification confirm the diversity of the microbiome accurately. Furthermore, we have identified 450 cultures of heterotrophic, biotechnologically important bacteria. Some strains were identified as novel taxa based on 16S rRNA gene sequencing, showing promising potential for further study. CONCLUSION Thus, our study provides valuable insights into the microbial diversity and pollution levels of coastal areas in AP and GA. These findings contribute to a better understanding of the impact of anthropogenic activities and climate variations on biology of coastal ecosystems and biodiversity.
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Affiliation(s)
- Bhagwan Narayan Rekadwad
- National Centre for Microbial Resource, DBT - National Centre for Cell Science (DBT-NCCS), NCCS-Complex, Savitribai Phule Pune University (SPPU) Campus, Ganeshkhind Road, Pune, Maharashtra, 411007, India.
- MicrobeAI Lab, Division of Microbiology and Biotechnology, Yenepoya Research Centre, Yenepoya (Deemed to be University), University Road, Deralakatte, Mangalore, Karnataka, 575018, India.
| | - Yogesh Shreepad Shouche
- MicrobeAI Lab, Division of Microbiology and Biotechnology, Yenepoya Research Centre, Yenepoya (Deemed to be University), University Road, Deralakatte, Mangalore, Karnataka, 575018, India
- Gut Microbiology Research Division, SKAN Research Trust, Bangalore, Karnataka, 560034, India
| | - Kamlesh Jangid
- Bioenergy Group, DST-Agharkar Research Institute, Gopal Ganesh Agarkar Road, Pune, Maharashtra, 411 004, India
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Chang WL, Chen YE, Tseng HT, Cheng CF, Wu JH, Hou YC. Gut Microbiota in Patients with Prediabetes. Nutrients 2024; 16:1105. [PMID: 38674796 PMCID: PMC11053759 DOI: 10.3390/nu16081105] [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: 03/14/2024] [Revised: 03/27/2024] [Accepted: 04/03/2024] [Indexed: 04/28/2024] Open
Abstract
Prediabetes is characterized by abnormal glycemic levels below the type 2 diabetes threshold, and effective control of blood glucose may prevent the progression to type 2 diabetes. While the association between the gut microbiota, glucose metabolism, and insulin resistance in diabetic patients has been established in previous studies, there is a lack of research regarding these aspects in prediabetic patients in Asia. We aim to investigate the composition of the gut microbiota in prediabetic patients and their differences compared to healthy individuals. In total, 57 prediabetic patients and 60 healthy adult individuals aged 18 to 65 years old were included in this study. Biochemistry data, fecal samples, and 3 days of food records were collected. Deoxyribonucleic acid extraction and next-generation sequencing via 16S ribosomal ribonucleic acid metagenomic sequencing were conducted to analyze the relationship between the gut microbiota and dietary habits. Prediabetic patients showed a lower microbial diversity than healthy individuals, with 9 bacterial genera being less abundant and 14 others more abundant. Prediabetic patients who consumed a low-carbohydrate (LC) diet exhibited higher diversity in the gut microbiota than those who consumed a high-carbohydrate diet. A higher abundance of Coprococcus was observed in the prediabetic patients on an LC diet. Compared to healthy individuals, the gut microbiota of prediabetic patients was significantly different, and adopting an LC diet with high dietary fiber consumption may positively impact the gut microbiota. Future studies should aim to understand the relationship between the gut microbiota and glycemic control in the Asian population.
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Affiliation(s)
- Wei-Lin Chang
- Department of Nutrition, Taipei Tzu-Chi Hospital, Buddhist Tzu-Chi Medical Foundation, New Taipei City 23142, Taiwan; (W.-L.C.); (Y.-E.C.); (H.-T.T.); (J.-H.W.)
| | - Yu-En Chen
- Department of Nutrition, Taipei Tzu-Chi Hospital, Buddhist Tzu-Chi Medical Foundation, New Taipei City 23142, Taiwan; (W.-L.C.); (Y.-E.C.); (H.-T.T.); (J.-H.W.)
| | - Hsiang-Tung Tseng
- Department of Nutrition, Taipei Tzu-Chi Hospital, Buddhist Tzu-Chi Medical Foundation, New Taipei City 23142, Taiwan; (W.-L.C.); (Y.-E.C.); (H.-T.T.); (J.-H.W.)
| | - Ching-Feng Cheng
- Department of Pediatrics, Taipei Tzu-Chi Hospital, Buddhist Tzu-Chi Medical Foundation, New Taipei City 23142, Taiwan;
- Institute of Biomedical Sciences, Academia Sinica, Taipei City 11529, Taiwan
- Department of Pediatrics, Tzu Chi University, Hualien 970374, Taiwan
| | - Jing-Hui Wu
- Department of Nutrition, Taipei Tzu-Chi Hospital, Buddhist Tzu-Chi Medical Foundation, New Taipei City 23142, Taiwan; (W.-L.C.); (Y.-E.C.); (H.-T.T.); (J.-H.W.)
| | - Yi-Cheng Hou
- Department of Nutrition, Taipei Tzu-Chi Hospital, Buddhist Tzu-Chi Medical Foundation, New Taipei City 23142, Taiwan; (W.-L.C.); (Y.-E.C.); (H.-T.T.); (J.-H.W.)
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9
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Nose S, Shiroma H, Yamada T, Uno Y. QNetDiff: a quantitative measurement of network rewiring. BMC Bioinformatics 2024; 25:118. [PMID: 38500025 PMCID: PMC10946107 DOI: 10.1186/s12859-024-05702-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Accepted: 02/13/2024] [Indexed: 03/20/2024] Open
Abstract
Bacteria in the human body, particularly in the large intestine, are known to be associated with various diseases. To identify disease-associated bacteria (markers), a typical method is to statistically compare the relative abundance of bacteria between healthy subjects and diseased patients. However, since bacteria do not necessarily cause diseases in isolation, it is also important to focus on the interactions and relationships among bacteria when examining their association with diseases. In fact, although there are common approaches to represent and analyze bacterial interaction relationships as networks, there are limited methods to find bacteria associated with diseases through network-driven analysis. In this paper, we focus on rewiring of the bacterial network and propose a new method for quantifying the rewiring. We then apply the proposed method to a group of colorectal cancer patients. We show that it can identify and detect bacteria that cannot be detected by conventional methods such as abundance comparison. Furthermore, the proposed method is implemented as a general-purpose tool and made available to the general public.
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Affiliation(s)
- Shota Nose
- Graduate School of Engineering, Osaka Prefecture University, Sakai, Japan
| | - Hirotsugu Shiroma
- Department of Life Science and Technology, Tokyo Institute of Technology, Tokyo, Japan
| | - Takuji Yamada
- Department of Life Science and Technology, Tokyo Institute of Technology, Tokyo, Japan
- Metagen, Inc., Yamagata, Japan
- Metagen Theurapeutics, Inc., Yamagata, Japan
- digzyme, Inc., Tokyo, Japan
| | - Yushi Uno
- Graduate School of Informatics, Osaka Metropolitan University, Sakai, Japan.
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10
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Rekadwad BN, Shouche YS, Jangid K. Community characterization of soil from the Central Deccan Plateau dry tropical deciduous forest (Ceddtrof) in central India using 16S rRNA gene amplicon sequencing. Microbiol Resour Announc 2024; 13:e0113423. [PMID: 38270452 PMCID: PMC10868195 DOI: 10.1128/mra.01134-23] [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: 11/19/2023] [Accepted: 12/19/2023] [Indexed: 01/26/2024] Open
Abstract
We report a preliminary study of soil from the Central Deccan Plateau dry tropical deciduous forest in India using 16S rRNA gene amplicon sequencing. We report diverse taxa, e.g., Proteobacteria, Actinobacteria, Acidobacteria, Plactomycetes, Chloroflexi, Bacteroidetes, Verrucomicrobia, Gemmatimonadetes, Firmicutes, Crenarchaeota, Nitrospirae, Armatimonadetes, Elusimicrobia, Cyanobacteria, Chlamydiae, Chlorobi, Parvachaeota, Tenericutes, Euryarchaeota, Fibrobacteres, Calditrix, and Spirochaetes.
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Affiliation(s)
- Bhagwan Narayan Rekadwad
- National Centre for Microbial Resource, DBT-National Centre for Cell Science, SP Pune University Campus, Pune, Maharashtra, India
- Microbe AI Lab, Division of Microbiology and Biotechnology, Yenepoya Research Centre, Yenepoya (Deemed to be University), Mangalore, Karnataka, India
| | - Yogesh S. Shouche
- National Centre for Microbial Resource, DBT-National Centre for Cell Science, SP Pune University Campus, Pune, Maharashtra, India
- Gut Microbiology Research Division, SKAN Research Trust, Bangalore, Karnataka, India
| | - Kamlesh Jangid
- Bioenergy Group, DST-Agharkar Research Institute, Pune, Maharashtra, India
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11
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Zou Y, Ip JCH, Xie JY, Yeung YH, Wei L, Guo Z, Zhang Y, Qiu JW. Dynamic changes in bacterial communities in three species of corals during the 2017 bleaching event in subtropical Hong Kong waters. MARINE POLLUTION BULLETIN 2024; 199:116002. [PMID: 38181470 DOI: 10.1016/j.marpolbul.2023.116002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2023] [Revised: 11/28/2023] [Accepted: 12/26/2023] [Indexed: 01/07/2024]
Abstract
Bacteria play important roles in coral health, yet little is known about the dynamics of coral-associated bacterial communities during coral bleaching. Here, we reported the dynamic changes of bacterial communities in three scleractinian corals (Montipora peltiformis, Pavona decussata and Platygyra carnosa) during and after bleaching through amplicon sequencing. Our results revealed that the bacterial composition and dominant bacteria varied among the three coral species. The higher susceptibility of M. peltiformis to bleaching corresponded to a lower bacterial community diversity, and the dominant Synechococcus shifted in abundance during the bleaching and coral recovery phases. The resilient P. decussata and P. carnosa had higher bacterial diversity and a more similar bacterial composition between the healthy and bleached conditions. Overall, our study reveals the dynamic changes in coral-associated microbial diversity under different conditions, contributing to explaining the differential susceptibility of corals to extreme climate conditions.
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Affiliation(s)
- Ying Zou
- School of Life and Health Sciences, Hainan University, Haikou, China
| | | | - James Y Xie
- Department of Biology, Hong Kong Baptist University, Hong Kong, China
| | - Yip Hung Yeung
- Department of Biology, Hong Kong Baptist University, Hong Kong, China
| | - Lu Wei
- School of Life and Health Sciences, Hainan University, Haikou, China
| | - Zhiqiang Guo
- School of Life and Health Sciences, Hainan University, Haikou, China
| | - Yanjie Zhang
- School of Life and Health Sciences, Hainan University, Haikou, China.
| | - Jian-Wen Qiu
- Department of Biology, Hong Kong Baptist University, Hong Kong, China.
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12
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Mai H, Yang X, Xie Y, Zhou J, Wang Q, Wei Y, Yang Y, Lu D, Ye L, Cui P, Liang H, Huang J. The role of gut microbiota in the occurrence and progression of non-alcoholic fatty liver disease. Front Microbiol 2024; 14:1257903. [PMID: 38249477 PMCID: PMC10797006 DOI: 10.3389/fmicb.2023.1257903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 12/12/2023] [Indexed: 01/23/2024] Open
Abstract
Background Non-alcoholic fatty liver disease (NAFLD) is the most prevalent cause of chronic liver disease worldwide, and gut microbes are associated with the development and progression of NAFLD. Despite numerous studies exploring the changes in gut microbes associated with NAFLD, there was no consistent pattern of changes. Method We retrieved studies on the human fecal microbiota sequenced by 16S rRNA gene amplification associated with NAFLD from the NCBI database up to April 2023, and re-analyzed them using bioinformatic methods. Results We finally screened 12 relevant studies related to NAFLD, which included a total of 1,189 study subjects (NAFLD, n = 654; healthy control, n = 398; obesity, n = 137). Our results revealed a significant decrease in gut microbial diversity with the occurrence and progression of NAFLD (SMD = -0.32; 95% CI -0.42 to -0.21; p < 0.001). Alpha diversity and the increased abundance of several crucial genera, including Desulfovibrio, Negativibacillus, and Prevotella, can serve as an indication of their predictive risk ability for the occurrence and progression of NAFLD (all AUC > 0.7). The occurrence and progression of NAFLD are significantly associated with higher levels of LPS biosynthesis, tryptophan metabolism, glutathione metabolism, and lipid metabolism. Conclusion This study elucidated gut microbes relevance to disease development and identified potential risk-associated microbes and functional pathways associated with NAFLD occurrence and progression.
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Affiliation(s)
- Huanzhuo Mai
- School of Public Health, Guangxi Medical University, Nanning, China
- Guangxi Key Laboratory of AIDS Prevention and Treatment, Guangxi Medical University, Nanning, China
| | - Xing Yang
- School of Public Health, Guangxi Medical University, Nanning, China
- Guangxi Key Laboratory of AIDS Prevention and Treatment, Guangxi Medical University, Nanning, China
| | - Yulan Xie
- School of Public Health, Guangxi Medical University, Nanning, China
- Guangxi Key Laboratory of AIDS Prevention and Treatment, Guangxi Medical University, Nanning, China
| | - Jie Zhou
- School of Public Health, Guangxi Medical University, Nanning, China
- Guangxi Key Laboratory of AIDS Prevention and Treatment, Guangxi Medical University, Nanning, China
| | - Qing Wang
- School of Public Health, Guangxi Medical University, Nanning, China
- Guangxi Key Laboratory of AIDS Prevention and Treatment, Guangxi Medical University, Nanning, China
| | - Yiru Wei
- School of Public Health, Guangxi Medical University, Nanning, China
- Guangxi Key Laboratory of AIDS Prevention and Treatment, Guangxi Medical University, Nanning, China
| | - Yuecong Yang
- School of Public Health, Guangxi Medical University, Nanning, China
- Guangxi Key Laboratory of AIDS Prevention and Treatment, Guangxi Medical University, Nanning, China
| | - Dongjia Lu
- School of Public Health, Guangxi Medical University, Nanning, China
- Guangxi Key Laboratory of AIDS Prevention and Treatment, Guangxi Medical University, Nanning, China
| | - Li Ye
- School of Public Health, Guangxi Medical University, Nanning, China
- Guangxi Key Laboratory of AIDS Prevention and Treatment, Guangxi Medical University, Nanning, China
- Joint Laboratory for Emerging Infectious Diseases in China (Guangxi)-ASEAN, Nanning, China
| | - Ping Cui
- Guangxi Key Laboratory of AIDS Prevention and Treatment, Guangxi Medical University, Nanning, China
- Joint Laboratory for Emerging Infectious Diseases in China (Guangxi)-ASEAN, Nanning, China
- Life Sciences Institute, Guangxi Medical University, Nanning, China
| | - Hao Liang
- School of Public Health, Guangxi Medical University, Nanning, China
- Guangxi Key Laboratory of AIDS Prevention and Treatment, Guangxi Medical University, Nanning, China
- Joint Laboratory for Emerging Infectious Diseases in China (Guangxi)-ASEAN, Nanning, China
- Life Sciences Institute, Guangxi Medical University, Nanning, China
| | - Jiegang Huang
- School of Public Health, Guangxi Medical University, Nanning, China
- Guangxi Key Laboratory of AIDS Prevention and Treatment, Guangxi Medical University, Nanning, China
- Guangxi Colleges and Universities Key Laboratory of Prevention and Control of Highly Prevalent Diseases, Guangxi Medical University, Nanning, China
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13
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Jin Y, Chen L, Yu Y, Hussain M, Zhong H. Bioactive Components in Fruit Interact with Gut Microbes. BIOLOGY 2023; 12:1333. [PMID: 37887043 PMCID: PMC10604038 DOI: 10.3390/biology12101333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 09/30/2023] [Accepted: 10/12/2023] [Indexed: 10/28/2023]
Abstract
Fruits contain many bioactive compounds, including polysaccharides, oligosaccharides, polyphenols, anthocyanins, and flavonoids. All of these bioactives in fruit have potentially beneficial effects on gut microbiota and host health. On the one hand, fruit rich in active ingredients can act as substrates to interact with microorganisms and produce metabolites to regulate the gut microbiota. On the other hand, gut microbes could promote health effects in the host by balancing dysbiosis of gut microbiota. We have extensively analyzed significant information on bioactive components in fruits based on Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA). Although the deep mechanism of action of bioactive components in fruits on gut microbiota needs further study, these results also provide supportive information on fruits as a source of dietary active ingredients to provide support for the adjunctive role of fruits in disease prevention and treatment.
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Affiliation(s)
- Yuanyuan Jin
- College of Food Science and Technology, Zhejiang University of Technology, Hangzhou 310014, China; (Y.J.); (Y.Y.)
| | - Ling Chen
- Sanya Branch of Hainan Food and Drug Inspection Institute, Sanya 572011, China;
| | - Yufen Yu
- College of Food Science and Technology, Zhejiang University of Technology, Hangzhou 310014, China; (Y.J.); (Y.Y.)
| | - Muhammad Hussain
- College of Food Science and Technology, Zhejiang University of Technology, Hangzhou 310014, China; (Y.J.); (Y.Y.)
| | - Hao Zhong
- College of Food Science and Technology, Zhejiang University of Technology, Hangzhou 310014, China; (Y.J.); (Y.Y.)
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14
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Carrizales-Sánchez AK, Tamez-Rivera O, Rodríguez-Gutiérrez NA, Elizondo-Montemayor L, Gradilla-Hernández MS, García-Rivas G, Pacheco A, Senés-Guerrero C. Characterization of gut microbiota associated with metabolic syndrome and type-2 diabetes mellitus in Mexican pediatric subjects. BMC Pediatr 2023; 23:210. [PMID: 37138212 PMCID: PMC10155456 DOI: 10.1186/s12887-023-03983-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Accepted: 03/31/2023] [Indexed: 05/05/2023] Open
Abstract
BACKGROUND Childhood obesity is a serious public health concern that confers a greater risk of developing important comorbidities such as MetS and T2DM. Recent studies evidence that gut microbiota may be a contributing factor; however, only few studies exist in school-age children. Understanding the potential role of gut microbiota in MetS and T2DM pathophysiology from early stages of life might contribute to innovative gut microbiome-based interventions that may improve public health. The main objective of the present study was to characterize and compare gut bacteria of T2DM and MetS children against control subjects and determine which microorganisms might be potentially related with cardiometabolic risk factors to propose gut microbial biomarkers that characterize these conditions for future development of pre-diagnostic tools. RESULTS Stool samples from 21 children with T2DM, 25 with MetS, and 20 controls (n = 66) were collected and processed to conduct 16S rDNA gene sequencing. α- and β-diversity were studied to detect microbial differences among studied groups. Spearman correlation was used to analyze possible associations between gut microbiota and cardiometabolic risk factors, and linear discriminant analyses (LDA) were conducted to determine potential gut bacterial biomarkers. T2DM and MetS showed significant changes in their gut microbiota at genus and family level. Read relative abundance of Faecalibacterium and Oscillospora was significantly higher in MetS and an increasing trend of Prevotella and Dorea was observed from the control group towards T2DM. Positive correlations were found between Prevotella, Dorea, Faecalibacterium, and Lactobacillus with hypertension, abdominal obesity, high glucose levels, and high triglyceride levels. LDA demonstrated the relevance of studying least abundant microbial communities to find specific microbial communities that were characteristic of each studied health condition. CONCLUSIONS Gut microbiota was different at family and genus taxonomic levels among controls, MetS, and T2DM study groups within children from 7 to 17 years old, and some communities seemed to be correlated with relevant subjects' metadata. LDA helped to find potential microbial biomarkers, providing new insights regarding pediatric gut microbiota and its possible use in the future development of gut microbiome-based predictive algorithms.
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Affiliation(s)
- Ana K Carrizales-Sánchez
- Tecnologico de Monterrey, Escuela de Medicina y Ciencias de La Salud, Av. Ignacio Morones Prieto 3000, Monterrey, Nuevo Leon, C.P. 64710, Mexico
- Tecnologico de Monterrey, Escuela de Ingenieria y Ciencias, Av. Eugenio Garza Sada 2501 Sur, Monterrey, Nuevo Leon, C.P. 64849, Mexico
| | - Oscar Tamez-Rivera
- Tecnologico de Monterrey, Escuela de Medicina y Ciencias de La Salud, Av. Ignacio Morones Prieto 3000, Monterrey, Nuevo Leon, C.P. 64710, Mexico
| | - Nora A Rodríguez-Gutiérrez
- Tecnologico de Monterrey, Escuela de Medicina y Ciencias de La Salud, Av. Ignacio Morones Prieto 3000, Monterrey, Nuevo Leon, C.P. 64710, Mexico
- Hospital Regional Materno Infantil de Alta Especialidad, Av. San Rafael 460, C.P. 67140, Guadalupe, Nuevo Leon, Mexico
| | - Leticia Elizondo-Montemayor
- Tecnologico de Monterrey, Escuela de Medicina y Ciencias de La Salud, Av. Ignacio Morones Prieto 3000, Monterrey, Nuevo Leon, C.P. 64710, Mexico
| | | | - Gerardo García-Rivas
- Tecnologico de Monterrey, Escuela de Medicina y Ciencias de La Salud, Av. Ignacio Morones Prieto 3000, Monterrey, Nuevo Leon, C.P. 64710, Mexico
- Tecnologico de Monterrey, The Institute for Obesity Research, Av. Eugenio Garza Sada 2501 Sur, C.P. 64849, Monterrey, Nuevo Leon, Mexico
| | - Adriana Pacheco
- Tecnologico de Monterrey, Escuela de Ingenieria y Ciencias, Av. Eugenio Garza Sada 2501 Sur, Monterrey, Nuevo Leon, C.P. 64849, Mexico.
| | - Carolina Senés-Guerrero
- Tecnologico de Monterrey, Escuela de Ingenieria y Ciencias, Av. Eugenio Garza Sada 2501 Sur, Monterrey, Nuevo Leon, C.P. 64849, Mexico.
- Tecnologico de Monterrey, Escuela de Ingenieria y Ciencias, Av. General Ramon Corona 2514, Zapopan, Jalisco, C.P. 45138, Mexico.
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15
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Houttu N, Benchraka C, Lotankar M, Muhli E, Niinikoski H, Lahti L, Laitinen K. Gut microbiota composition and function in pregnancy as determinants of prediabetes at two-year postpartum. Acta Diabetol 2023:10.1007/s00592-023-02064-5. [PMID: 37115265 DOI: 10.1007/s00592-023-02064-5] [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: 10/28/2022] [Accepted: 02/23/2023] [Indexed: 04/29/2023]
Abstract
AIMS Deep metagenomics offers an advanced tool for examining the relationship between gut microbiota composition and function and the onset of disease; in this case, does the composition and function of gut microbiota during pregnancy differ in women who develop prediabetes and those who do not at two-year postpartum, and whether the gut microbiota composition associates with glycemic traits. METHODS In total, 439 women were recruited in early pregnancy. Gut microbiota was assessed by metagenomics analysis in early (13.9 ± 2.0 gestational weeks) and late pregnancy (35.1 ± 1.0 gestational weeks). Prediabetes was determined using American Diabetes Association criteria as fasting plasma glucose 5.6-6.9 mmol/l analyzed by an enzymatic hexokinase method. Of the women, 39 (22.1%) developed prediabetes by two-year postpartum. RESULTS The relative abundances of Escherichia unclassified (FDR < 0.05), Clostridiales bacterium 1_7_ 47FAA (FDR < 0.25) and Parabacteroides (FDR < 0.25) were higher, and those of Ruminococcaceae bacterium D16 (FDR < 0.25), Anaerotruncus unclassified (FDR < 0.25) and Ruminococcaceae noname (FDR < 0.25) were lower in early pregnancy in those women who later developed prediabetes. In late pregnancy, Porphyromonas was higher and Ruminococcus sp 5_1_39BFAA was lower in prediabetes (FDR < 0.25). Furthermore, fasting glucose concentrations associated inversely with Anaerotruncus unclassified in early pregnancy and directly with Ruminococcus sp 5_1_39BFAA in late pregnancy (FDR < 0.25). α-Diversity or β-diversity did not differ significantly between the groups. Predictions of community function during pregnancy were not associated with prediabetes. CONCLUSIONS Our study shows that some bacterial species during pregnancy contributed to the onset of prediabetes within two-year postpartum. These were attributable primarily to a lower abundance of short-chain fatty acids-producing bacteria.
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Affiliation(s)
- Noora Houttu
- Institute of Biomedicine, Research Centre for Integrative Physiology and Pharmacology, University of Turku, Turku, Finland.
| | - Chouaib Benchraka
- Department of Computing, Faculty of Technology, University of Turku, Turku, Finland
| | - Mrunalini Lotankar
- Institute of Biomedicine, Research Centre for Integrative Physiology and Pharmacology, University of Turku, Turku, Finland
| | - Ella Muhli
- Institute of Biomedicine, Research Centre for Integrative Physiology and Pharmacology, University of Turku, Turku, Finland
- Department of Obstetrics and Gynecology, University of Turku, Turku, Finland
| | - Harri Niinikoski
- Institute of Biomedicine, Research Centre for Integrative Physiology and Pharmacology, University of Turku, Turku, Finland
- Department of Pediatrics and Adolescent Medicine, Turku University Hospital, Turku, Finland
| | - Leo Lahti
- Department of Computing, Faculty of Technology, University of Turku, Turku, Finland
| | - Kirsi Laitinen
- Institute of Biomedicine, Research Centre for Integrative Physiology and Pharmacology, University of Turku, Turku, Finland
- Functional Foods Forum, University of Turku, Turku, Finland
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16
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Ďásková N, Modos I, Krbcová M, Kuzma M, Pelantová H, Hradecký J, Heczková M, Bratová M, Videňská P, Šplíchalová P, Králová M, Heniková M, Potočková J, Ouřadová A, Landberg R, Kühn T, Cahová M, Gojda J. Multi-omics signatures in new-onset diabetes predict metabolic response to dietary inulin: findings from an observational study followed by an interventional trial. Nutr Diabetes 2023; 13:7. [PMID: 37085526 PMCID: PMC10121613 DOI: 10.1038/s41387-023-00235-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 03/22/2023] [Accepted: 04/06/2023] [Indexed: 04/23/2023] Open
Abstract
AIM The metabolic performance of the gut microbiota contributes to the onset of type 2 diabetes. However, targeted dietary interventions are limited by the highly variable inter-individual response. We hypothesized (1) that the composition of the complex gut microbiome and metabolome (MIME) differ across metabolic spectra (lean-obese-diabetes); (2) that specific MIME patterns could explain the differential responses to dietary inulin; and (3) that the response can be predicted based on baseline MIME signature and clinical characteristics. METHOD Forty-nine patients with newly diagnosed pre/diabetes (DM), 66 metabolically healthy overweight/obese (OB), and 32 healthy lean (LH) volunteers were compared in a cross-sectional case-control study integrating clinical variables, dietary intake, gut microbiome, and fecal/serum metabolomes (16 S rRNA sequencing, metabolomics profiling). Subsequently, 27 DM were recruited for a predictive study: 3 months of dietary inulin (10 g/day) intervention. RESULTS MIME composition was different between groups. While the DM and LH groups represented opposite poles of the abundance spectrum, OB was closer to DM. Inulin supplementation was associated with an overall improvement in glycemic indices, though the response was very variable, with a shift in microbiome composition toward a more favorable profile and increased serum butyric and propionic acid concentrations. The improved glycemic outcomes of inulin treatment were dependent on better baseline glycemic status and variables related to the gut microbiota, including the abundance of certain bacterial taxa (i.e., Blautia, Eubacterium halii group, Lachnoclostridium, Ruminiclostridium, Dialister, or Phascolarctobacterium), serum concentrations of branched-chain amino acid derivatives and asparagine, and fecal concentrations of indole and several other volatile organic compounds. CONCLUSION We demonstrated that obesity is a stronger determinant of different MIME patterns than impaired glucose metabolism. The large inter-individual variability in the metabolic effects of dietary inulin was explained by differences in baseline glycemic status and MIME signatures. These could be further validated to personalize nutritional interventions in patients with newly diagnosed diabetes.
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Affiliation(s)
- N Ďásková
- First Faculty of Medicine, Charles University, Prague, Czech Republic
- Institute for Clinical and Experimental Medicine, Prague, Czech Republic
| | - I Modos
- Institute for Clinical and Experimental Medicine, Prague, Czech Republic
| | - M Krbcová
- Department of Internal Medicine, Kralovske Vinohrady University Hospital and Third Faculty of Medicine, Charles University, Prague, Czech Republic
| | - M Kuzma
- Institute of Microbiology of the CAS, Prague, Czech Republic
| | - H Pelantová
- Institute of Microbiology of the CAS, Prague, Czech Republic
| | - J Hradecký
- Faculty of Forestry and Wood Sciences, Czech University of Life Sciences, Prague, Czech Republic
| | - M Heczková
- Institute for Clinical and Experimental Medicine, Prague, Czech Republic
| | - M Bratová
- Institute for Clinical and Experimental Medicine, Prague, Czech Republic
| | - P Videňská
- Mendel University, Department of Chemistry and Biochemistry, Brno, Czech Republic
| | - P Šplíchalová
- RECETOX, Faculty of Science Masaryk University, Brno, Czech Republic
| | - M Králová
- Ambis University, Department of Economics and Management, Prague, Czech Republic
- Institute for Clinical and Experimental Medicine, Prague, Czech Republic
| | - M Heniková
- Department of Internal Medicine, Kralovske Vinohrady University Hospital and Third Faculty of Medicine, Charles University, Prague, Czech Republic
| | - J Potočková
- Department of Internal Medicine, Kralovske Vinohrady University Hospital and Third Faculty of Medicine, Charles University, Prague, Czech Republic
| | - A Ouřadová
- Department of Internal Medicine, Kralovske Vinohrady University Hospital and Third Faculty of Medicine, Charles University, Prague, Czech Republic
| | - R Landberg
- Division of Food and Nutrition Science, Department of Biology and Biological Engineering, Chalmers University of Technology, Goteborg, Sweden
| | - T Kühn
- Institute of Global Food Security, Queen's University Belfast, Belfast, UK
- Heidelberg Institute of Global Health (HIGH), Medical Faculty and University Hospital, Heidelberg University, Heidelberg, Germany
| | - M Cahová
- Institute for Clinical and Experimental Medicine, Prague, Czech Republic.
| | - J Gojda
- Department of Internal Medicine, Kralovske Vinohrady University Hospital and Third Faculty of Medicine, Charles University, Prague, Czech Republic
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17
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Lin HR, Xu F, Chen D, Xie K, Yang Y, Hu W, Li BY, Jiang Z, Liang Y, Tang XY, Zheng JS, Chen YM. The gut microbiota-bile acid axis mediates the beneficial associations between plasma vitamin D and metabolic syndrome in Chinese adults: A prospective study. Clin Nutr 2023; 42:887-898. [PMID: 37086617 DOI: 10.1016/j.clnu.2023.03.022] [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: 12/26/2022] [Revised: 03/28/2023] [Accepted: 03/29/2023] [Indexed: 04/24/2023]
Abstract
BACKGROUND & AIMS Previous studies have suggested that circulating 25-hydroxyvitamin D (25 [OH]D, VD) and the gut microbiota-bile acid axis play crucial roles in metabolic health. Exploring the mediating role of the gut microbiota-bile acid axis would improve our understanding of the mechanisms underlying the effects of VD on human metabolic health. This study examined the association between plasma 25(OH)D and the prevalence/incidence of metabolic syndrome (MetS) and the mediating role of the gut microbiota-bile acid axis. METHODS This prospective study included 3180 participants with plasma 25(OH)D data at baseline and 2966 participants with a 9-year follow-up. MetS was determined every three years. The gut microbiota was analyzed by 16S rRNA sequencing in 1752 participants, and targeted bile acid metabolites in feces were further determined in 974 participants using UPLC‒MS/MS at the middle of the study. Mediating roles of microbiota and bile acids in the VD-MetS associations were analyzed using mediation/path analyses adjusted for potential confounders. RESULTS Among the 2966 participants who were followed-up, 1520, 193, 647, and 606 were MetS-free (normal), recovered, had incident MetS, and had persistent MetS, respectively. The multivariable-adjusted ORs (95% CIs) of MetS prevalence were 0.65 (0.50, 0.84) for baseline MetS and 0.46 (0.33, 0.65) for 9-year persistent MetS in quartile 4 (compared to quartile 1) of plasma 25(OH)D (median: 37.7 vs. 19.6, ng/ml). The corresponding HR (95% CI) of 9-year MetS incidence was 0.71 (0.56, 0.90) (all P-trend < 0.05). Higher VD concentrations were associated with greater α-diversity of the gut microbiota, which was inversely correlated with MetS risk. The groups classified by VD and MetS status had significantly different β-diversity. Ruminiclostridium-6 and Christensenellaceae R-7 group were enriched in the high-VD group and were inversely associated with MetS. However, opposite associations were observed for Lachnoclostridium and Acidaminococcus. The overlapping differential microbial score (ODMS) developed from the four differential genera explained 12.2% of the VD-MetS associations (Pmediation = 0.015). Furthermore, the fecal bile acid score created from 11 differential bile acids related to ODMS and MetS mediated 34.2% of the association between ODMS and MetS (Pmediation = 0.029). Path analyses showed that the inverse association between plasma 25(OH)D and MetS could be mediated by the gut microbiota-bile acid axis. CONCLUSIONS The findings suggest that the gut microbiota-bile acid axis partially mediates the beneficial association between plasma 25(OH)D and the risk of persistent MetS and incident MetS in the Chinese population.
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Affiliation(s)
- Hong-Rou Lin
- Department of Epidemiology, Guangdong Provincial Key Laboratory of Food, Nutrition and Health, School of Public Health, Sun Yat-sen University, Guangzhou 510275, China
| | - Fengzhe Xu
- Key Laboratory of Growth Regulation and Translational Research of Zhejiang Province, School of Life Sciences, Westlake University, Hangzhou 310024, China
| | - Danyu Chen
- Department of Epidemiology, Guangdong Provincial Key Laboratory of Food, Nutrition and Health, School of Public Health, Sun Yat-sen University, Guangzhou 510275, China
| | - Keliang Xie
- Department of Epidemiology, Guangdong Provincial Key Laboratory of Food, Nutrition and Health, School of Public Health, Sun Yat-sen University, Guangzhou 510275, China
| | - Yingdi Yang
- Department of Epidemiology, Guangdong Provincial Key Laboratory of Food, Nutrition and Health, School of Public Health, Sun Yat-sen University, Guangzhou 510275, China
| | - Wei Hu
- Department of Epidemiology, Guangdong Provincial Key Laboratory of Food, Nutrition and Health, School of Public Health, Sun Yat-sen University, Guangzhou 510275, China
| | - Bang-Yan Li
- Department of Epidemiology, Guangdong Provincial Key Laboratory of Food, Nutrition and Health, School of Public Health, Sun Yat-sen University, Guangzhou 510275, China
| | - Zengliang Jiang
- Key Laboratory of Growth Regulation and Translational Research of Zhejiang Province, School of Life Sciences, Westlake University, Hangzhou 310024, China
| | - Yuhui Liang
- Key Laboratory of Growth Regulation and Translational Research of Zhejiang Province, School of Life Sciences, Westlake University, Hangzhou 310024, China
| | - Xin-Yi Tang
- The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China.
| | - Ju-Sheng Zheng
- Key Laboratory of Growth Regulation and Translational Research of Zhejiang Province, School of Life Sciences, Westlake University, Hangzhou 310024, China.
| | - Yu-Ming Chen
- Department of Epidemiology, Guangdong Provincial Key Laboratory of Food, Nutrition and Health, School of Public Health, Sun Yat-sen University, Guangzhou 510275, China.
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18
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Key Stratification of Microbiota Taxa and Metabolites in the Host Metabolic Health-Disease Balance. Int J Mol Sci 2023; 24:ijms24054519. [PMID: 36901949 PMCID: PMC10003303 DOI: 10.3390/ijms24054519] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 02/21/2023] [Accepted: 02/22/2023] [Indexed: 03/03/2023] Open
Abstract
Human gut microbiota seems to drive the interaction with host metabolism through microbial metabolites, enzymes, and bioactive compounds. These components determine the host health-disease balance. Recent metabolomics and combined metabolome-microbiome studies have helped to elucidate how these substances could differentially affect the individual host pathophysiology according to several factors and cumulative exposures, such as obesogenic xenobiotics. The present work aims to investigate and interpret newly compiled data from metabolomics and microbiota composition studies, comparing controls with patients suffering from metabolic-related diseases (diabetes, obesity, metabolic syndrome, liver and cardiovascular diseases, etc.). The results showed, first, a differential composition of the most represented genera in healthy individuals compared to patients with metabolic diseases. Second, the analysis of the metabolite counts exhibited a differential composition of bacterial genera in disease compared to health status. Third, qualitative metabolite analysis revealed relevant information about the chemical nature of metabolites related to disease and/or health status. Key microbial genera were commonly considered overrepresented in healthy individuals together with specific metabolites, e.g., Faecalibacterium and phosphatidylethanolamine; and the opposite, Escherichia and Phosphatidic Acid, which is converted into the intermediate Cytidine Diphosphate Diacylglycerol-diacylglycerol (CDP-DAG), were overrepresented in metabolic-related disease patients. However, it was not possible to associate most specific microbiota taxa and metabolites according to their increased and decreased profiles analyzed with health or disease. Interestingly, positive association of essential amino acids with the genera Bacteroides were observed in a cluster related to health, and conversely, benzene derivatives and lipidic metabolites were related to the genera Clostridium, Roseburia, Blautia, and Oscillibacter in a disease cluster. More studies are needed to elucidate the microbiota species and their corresponding metabolites that are key in promoting health or disease status. Moreover, we propose that greater attention should be paid to biliary acids and to microbiota-liver cometabolites and its detoxification enzymes and pathways.
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19
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Jian H, Liu Y, Wang X, Dong X, Zou X. Akkermansia muciniphila as a Next-Generation Probiotic in Modulating Human Metabolic Homeostasis and Disease Progression: A Role Mediated by Gut-Liver-Brain Axes? Int J Mol Sci 2023; 24:ijms24043900. [PMID: 36835309 PMCID: PMC9959343 DOI: 10.3390/ijms24043900] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Revised: 02/09/2023] [Accepted: 02/12/2023] [Indexed: 02/17/2023] Open
Abstract
Appreciation of the importance of Akkermansia muciniphila is growing, and it is becoming increasingly relevant to identify preventive and/or therapeutic solutions targeting gut-liver-brain axes for multiple diseases via Akkermansia muciniphila. In recent years, Akkermansia muciniphila and its components such as outer membrane proteins and extracellular vesicles have been known to ameliorate host metabolic health and intestinal homeostasis. However, the impacts of Akkermansia muciniphila on host health and disease are complex, as both potentially beneficial and adverse effects are mediated by Akkermansia muciniphila and its derivatives, and in some cases, these effects are dependent upon the host physiology microenvironment and the forms, genotypes, and strain sources of Akkermansia muciniphila. Therefore, this review aims to summarize the current knowledge of how Akkermansia muciniphila interacts with the host and influences host metabolic homeostasis and disease progression. Details of Akkermansia muciniphila will be discussed including its biological and genetic characteristics; biological functions including anti-obesity, anti-diabetes, anti-metabolic-syndrome, anti-inflammation, anti-aging, anti-neurodegenerative disease, and anti-cancer therapy functions; and strategies to elevate its abundance. Key events will be referred to in some specific disease states, and this knowledge should facilitate the identification of Akkermansia muciniphila-based probiotic therapy targeting multiple diseases via gut-liver-brain axes.
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20
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Siptroth J, Moskalenko O, Krumbiegel C, Ackermann J, Koch I, Pospisil H. Variation of butyrate production in the gut microbiome in type 2 diabetes patients. INTERNATIONAL MICROBIOLOGY : THE OFFICIAL JOURNAL OF THE SPANISH SOCIETY FOR MICROBIOLOGY 2023:10.1007/s10123-023-00324-6. [PMID: 36780038 PMCID: PMC10397123 DOI: 10.1007/s10123-023-00324-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 12/22/2022] [Accepted: 01/04/2023] [Indexed: 02/14/2023]
Abstract
BACKGROUND Diabetes mellitus type 2 is a common disease that poses a challenge to the healthcare system. The disease is very often diagnosed late. A better understanding of the relationship between the gut microbiome and type 2 diabetes can support early detection and form an approach for therapies. Microbiome analysis offers a potential opportunity to find markers for this disease. Next-generation sequencing methods can be used to identify the bacteria present in the stool sample and to generate a microbiome profile through an analysis pipeline. Statistical analysis, e.g., using Student's t-test, allows the identification of significant differences. The investigations are not only focused on single bacteria, but on the determination of a comprehensive profile. Also, the consideration of the functional microbiome is included in the analyses. The dataset is not from a clinical survey, but very extensive. RESULTS By examining 946 microbiome profiles of diabetes mellitus type 2 sufferers (272) and healthy control persons (674), a large number of significant genera (25) are revealed. It is possible to identify a large profile for type 2 diabetes disease. Furthermore, it is shown that the diversity of bacteria per taxonomic level in the group of persons with diabetes mellitus type 2 is significantly reduced compared to a healthy control group. In addition, six pathways are determined to be significant for type 2 diabetes describing the fermentation to butyrate. These parameters tend to have high potential for disease detection. CONCLUSIONS With this investigation of the gut microbiome of persons with diabetes type 2 disease, we present significant bacteria and pathways characteristic of this disease.
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Affiliation(s)
- Julienne Siptroth
- High Performance Computing in Life Sciences, Technical University of Applied Sciences Wildau, Wildau, Germany.
| | - Olga Moskalenko
- BIOMES NGS GmbH, Schwartzkopffstraße 1, 15745, Wildau, Germany
| | | | - Jörg Ackermann
- Department of Molecular Bioinformatics, Institute of Computer Science, Goethe University Frankfurt, 60325, Frankfurt am Main, Germany
| | - Ina Koch
- Department of Molecular Bioinformatics, Institute of Computer Science, Goethe University Frankfurt, 60325, Frankfurt am Main, Germany
| | - Heike Pospisil
- High Performance Computing in Life Sciences, Technical University of Applied Sciences Wildau, Wildau, Germany
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21
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Singh KS, Paul D, Gupta A, Dhotre D, Klawonn F, Shouche Y. Indian sewage microbiome has unique community characteristics and potential for population-level disease predictions. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 858:160178. [PMID: 36379333 DOI: 10.1016/j.scitotenv.2022.160178] [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: 09/09/2022] [Revised: 10/31/2022] [Accepted: 11/10/2022] [Indexed: 06/16/2023]
Abstract
Sewage wastewater pollutes water and poses a public health issue but it could also prove useful in certain research domains. Sewage is a complex niche relevant for research concerning 'one-health', human health, pollution and antibiotic resistance. Indian gut microbiome is also understudied due to sampling constraints and sewage could be used to explore it. Ostensibly, Indian sewage needs to be studied and here, we performed a cross-sectional pan-India sewage sampling to generate the first comprehensive Indian sewage microbiome. Indian sewage showed predominance of Burkholderiaceae, Rhodocyclaceae, Veillonellaceae, Prevotellaceae, etc. and has high representation of gut microbes. The identified gut microbes have overrepresentation of Veillonellaceae, Rikenellaceae, Streptococcaceae, and Bacillaceae. Imputed metagenomics of sewage microbiome indicated dominance of transport, motility, peptidases, amino acid metabolism, and antibiotic resistance genes. Microbiome-disease associations drawn using simple decision tree and random forest analysis identified specific microbes as potential predictors of diabetes and obesity in a city. Altogether, we generated the first Indian sewage microbiome and our non-invasive, high-throughput workflow could be emulated for future research, wastewater-based epidemiology and designing policies concerning public health.
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Affiliation(s)
- Kumar Siddharth Singh
- National Centre for Microbial Resource - National Centre for Cell Science, Pune, India; Institute for Microbiology, Leibniz University, Hannover, Germany
| | - Dhiraj Paul
- National Centre for Microbial Resource - National Centre for Cell Science, Pune, India
| | - Abhishek Gupta
- National Centre for Microbial Resource - National Centre for Cell Science, Pune, India
| | - Dhiraj Dhotre
- National Centre for Microbial Resource - National Centre for Cell Science, Pune, India
| | - Frank Klawonn
- Biostatistics, Helmholtz Centre for Infection Research, Braunschweig, Germany
| | - Yogesh Shouche
- National Centre for Microbial Resource - National Centre for Cell Science, Pune, India; Azim Premji University, Bengaluru, India.
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22
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Gut Microbiota of the Asian-Indian Type 2 Diabetes Phenotype: How Different It Is from the Rest of the World? J Indian Inst Sci 2023. [DOI: 10.1007/s41745-022-00351-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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23
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Kuo YJ, Chen CJ, Hussain B, Tsai HC, Hsu GJ, Chen JS, Asif A, Fan CW, Hsu BM. Inferring Bacterial Community Interactions and Functionalities Associated with Osteopenia and Osteoporosis in Taiwanese Postmenopausal Women. Microorganisms 2023; 11:234. [PMID: 36838199 PMCID: PMC9959971 DOI: 10.3390/microorganisms11020234] [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: 12/02/2022] [Revised: 12/30/2022] [Accepted: 01/13/2023] [Indexed: 01/19/2023] Open
Abstract
Growing evidence suggests that the gut microbiota and their metabolites are associated with bone homeostasis and fragility. However, this association is limited to microbial taxonomic differences. This study aimed to explore whether gut bacterial community associations, composition, and functions are associated with osteopenia and osteoporosis. We compared the gut bacterial community composition and interactions of healthy postmenopausal women with normal bone density (n = 8) with those of postmenopausal women with osteopenia (n = 18) and osteoporosis (n = 21) through 16S rRNA sequencing coupled with network biology and statistical analyses. The results of this study showed reduced alpha diversity in patients with osteoporosis, followed by that in patients with osteopenia, then in healthy controls. Taxonomic analysis revealed that significantly enriched bacterial genera with higher abundance was observed in patients with osteoporosis and osteopenia than in healthy subjects. Additionally, a co-occurrence network revealed that, compared to healthy controls, bacterial interactions were higher in patients with osteoporosis, followed by those with osteopenia. Further, NetShift analysis showed that a higher number of bacteria drove changes in the microbial community structure of patients with osteoporosis than osteopenia. Correlation analysis revealed that most of these driver bacteria had a significant positive relationship with several significant metabolic pathways. Further, ordination analysis revealed that height and T-score were the primary variables influencing the gut microbial community structure. Taken together, this study evaluated that microbial community interaction is more important than the taxonomic differences in knowing the critical role of gut microbiota in postmenopausal women associated with osteopenia and osteoporosis. Additionally, the significantly enriched bacteria and functional pathways might be potential biomarkers for the prognosis and treatment of postmenopausal women with osteopenia and osteoporosis.
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Affiliation(s)
- Yi-Jie Kuo
- Department of Orthopedic Surgery, Wan Fang Hospital, Taipei Medical University, Taipei 116, Taiwan
| | - Chia-Jung Chen
- Department of Chinese Medicine, Dalin Tzu Chi Hospital, The Buddhist Tzu Chi Medical Foundation, Chiayi 622, Taiwan
| | - Bashir Hussain
- Department of Earth and Environmental Sciences, National Chung Cheng University, Chiayi 621, Taiwan
- Department of Biomedical Sciences, National Chung Cheng University, Chiayi 621, Taiwan
| | - Hsin-Chi Tsai
- Department of Psychiatry, School of Medicine, Tzu Chi University, Hualien 970, Taiwan
- Department of Psychiatry, Tzu-Chi General Hospital, Hualien 970, Taiwan
| | - Gwo-Jong Hsu
- Division of Infectious Disease, Department of Internal Medicine, Chia-Yi Christian Hospital, Chiayi 621, Taiwan
| | - Jung-Sheng Chen
- Department of Medical Research, E-Da Hospital, I-Shou University, Kaohsiung 824, Taiwan
| | - Aslia Asif
- Department of Earth and Environmental Sciences, National Chung Cheng University, Chiayi 621, Taiwan
- Doctoral Program in Science, Technology, Environment and Mathematics, National Chung Cheng University, Chiayi 621, Taiwan
| | - Cheng-Wei Fan
- Department of Earth and Environmental Sciences, National Chung Cheng University, Chiayi 621, Taiwan
| | - Bing-Mu Hsu
- Department of Earth and Environmental Sciences, National Chung Cheng University, Chiayi 621, Taiwan
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24
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Gaike AH, Kalamkar SD, Gajjar V, Divate U, Karandikar-Iyer S, Goel P, Shouche YS, Ghaskadbi SS. Effect of long-term oral glutathione supplementation on gut microbiome of type 2 diabetic individuals. FEMS Microbiol Lett 2023; 370:fnad116. [PMID: 37935462 DOI: 10.1093/femsle/fnad116] [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: 07/06/2023] [Revised: 10/23/2023] [Accepted: 11/02/2023] [Indexed: 11/09/2023] Open
Abstract
The aim of this study was to check the effect of long-term oral glutathione (GSH) supplementation on alteration in gut microbiome of Indian diabetic individuals. Early morning fresh stool sample of diabetic individuals recruited in a randomized clinical trial wherein they were given 500 mg GSH supplementation orally once a day for a period of 6 months was collected and gut microbiome was analysed using high throughput 16S rRNA metagenomic sequencing. Long-term GSH supplementation as reported in our earlier work showed significant increase in body stores of GSH and stabilized decreased glycated haemoglobin (HbA1c). Analysis of gut microbiome revealed that abundance of phylum Proteobacteria significantly decreased (P < 0.05) in individuals with GSH supplementation after 6 months compared to those without it. Beneficial dominant genera such as Megasphaera, Bacteroides, and Megamonas were found to be significantly enriched (P < 0.05), while pathogenic Escherichia/Shigella was found to be depleted (P < 0.05) after supplementation. Data clearly demonstrate that GSH supplementation along with antidiabetic treatment helps restore the gut microbiome by enriching beneficial bacteria of healthy gut and reducing significantly the load of pathogenic bacteria of diabetic gut.
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Affiliation(s)
- Akshay H Gaike
- Department of Zoology, Savitribai Phule Pune University, Pune 411007, India
- National Centre for Cell Science, Pune 411007, India
| | - Saurabh D Kalamkar
- Department of Zoology, Savitribai Phule Pune University, Pune 411007, India
| | | | | | | | - Pranay Goel
- Biology Division, Indian Institute of Science Education and Research, Pune 411008, India
| | - Yogesh S Shouche
- National Centre for Cell Science, Pune 411007, India
- SKAN Research Trust, Bengaluru 560034, India
| | - Saroj S Ghaskadbi
- Department of Zoology, Savitribai Phule Pune University, Pune 411007, India
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25
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Jia L, Huang S, Sun B, Shang Y, Zhu C. Pharmacomicrobiomics and type 2 diabetes mellitus: A novel perspective towards possible treatment. Front Endocrinol (Lausanne) 2023; 14:1149256. [PMID: 37033254 PMCID: PMC10076675 DOI: 10.3389/fendo.2023.1149256] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2023] [Accepted: 03/14/2023] [Indexed: 04/11/2023] Open
Abstract
Type 2 diabetes mellitus (T2DM), a major driver of mortality worldwide, is more likely to develop other cardiometabolic risk factors, ultimately leading to diabetes-related mortality. Although a set of measures including lifestyle intervention and antidiabetic drugs have been proposed to manage T2DM, problems associated with potential side-effects and drug resistance are still unresolved. Pharmacomicrobiomics is an emerging field that investigates the interactions between the gut microbiome and drug response variability or drug toxicity. In recent years, increasing evidence supports that the gut microbiome, as the second genome, can serve as an attractive target for improving drug efficacy and safety by manipulating its composition. In this review, we outline the different composition of gut microbiome in T2DM and highlight how these microbiomes actually play a vital role in its development. Furthermore, we also investigate current state-of-the-art knowledge on pharmacomicrobiomics and microbiome's role in modulating the response to antidiabetic drugs, as well as provide innovative potential personalized treatments, including approaches for predicting response to treatment and for modulating the microbiome to improve drug efficacy or reduce drug toxicity.
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Affiliation(s)
- Liyang Jia
- Department of Traditional Chinese Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Shiqiong Huang
- Department of Pharmacy, The First Hospital of Changsha, Changsha, China
| | - Boyu Sun
- Department of Pharmacy, The Third People’s Hospital of Qingdao, Qingdao, China
| | - Yongguang Shang
- Department of Pharmacy, China-Japan Friendship Hospital, Beijing, China
- *Correspondence: Yongguang Shang, ; Chunsheng Zhu,
| | - Chunsheng Zhu
- Department of Traditional Chinese Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- *Correspondence: Yongguang Shang, ; Chunsheng Zhu,
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26
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Al-Muhanna FA, Dowdell AK, Al Eleq AH, Albaker WI, Brooks AW, Al-Sultan AI, Al-Rubaish AM, Alkharsah KR, Sulaiman RM, Al-Quorain AA, Cyrus C, Alali RA, Vatte C, Robinson FL, Zhou X, Snyder MP, Almuhanna AF, Keating BJ, Piening BD, Al-Ali AK. Gut microbiota analyses of Saudi populations for type 2 diabetes-related phenotypes reveals significant association. BMC Microbiol 2022; 22:301. [PMID: 36510121 PMCID: PMC9746012 DOI: 10.1186/s12866-022-02714-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Accepted: 11/24/2022] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Large-scale gut microbiome sequencing has revealed key links between microbiome dysfunction and metabolic diseases such as type 2 diabetes (T2D). To date, these efforts have largely focused on Western populations, with few studies assessing T2D microbiota associations in Middle Eastern communities where T2D prevalence is now over 20%. We analyzed the composition of stool 16S rRNA from 461 T2D and 119 non-T2D participants from the Eastern Province of Saudi Arabia. We quantified the abundance of microbial communities to examine any significant differences between subpopulations of samples based on diabetes status and glucose level. RESULTS In this study we performed the largest microbiome study ever conducted in Saudi Arabia, as well as the first-ever characterization of gut microbiota T2D versus non-T2D in this population. We observed overall positive enrichment within diabetics compared to healthy individuals and amongst diabetic participants; those with high glucose levels exhibited slightly more positive enrichment compared to those at lower risk of fasting hyperglycemia. In particular, the genus Firmicutes was upregulated in diabetic individuals compared to non-diabetic individuals, and T2D was associated with an elevated Firmicutes/Bacteroidetes ratio, consistent with previous findings. CONCLUSION Based on diabetes status and glucose levels of Saudi participants, relatively stable differences in stool composition were perceived by differential abundance and alpha diversity measures. However, community level differences are evident in the Saudi population between T2D and non-T2D individuals, and diversity patterns appear to vary from well-characterized microbiota from Western cohorts. Comparing overlapping and varying patterns in gut microbiota with other studies is critical to assessing novel treatment options in light of a rapidly growing T2D health epidemic in the region. As a rapidly emerging chronic condition in Saudi Arabia and the Middle East, T2D burdens have grown more quickly and affect larger proportions of the population than any other global region, making a regional reference T2D-microbiome dataset critical to understanding the nuances of disease development on a global scale.
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Affiliation(s)
- Fahad A. Al-Muhanna
- grid.411975.f0000 0004 0607 035XDepartment of Internal Medicine, King Fahd Hospital of the University, Al-Khobar and College of Medicine, Imam Abdulrahman bin Faisal University, Dammam, Saudi Arabia
| | - Alexa K. Dowdell
- grid.240531.10000 0004 0456 863XEarle A Chiles Research Institute, Providence Portland Medical Center, Portland, OR USA
| | - Abdulmohsen H. Al Eleq
- grid.411975.f0000 0004 0607 035XDepartment of Internal Medicine, King Fahd Hospital of the University, Al-Khobar and College of Medicine, Imam Abdulrahman bin Faisal University, Dammam, Saudi Arabia
| | - Waleed I. Albaker
- grid.411975.f0000 0004 0607 035XDepartment of Internal Medicine, King Fahd Hospital of the University, Al-Khobar and College of Medicine, Imam Abdulrahman bin Faisal University, Dammam, Saudi Arabia
| | - Andrew W. Brooks
- grid.168010.e0000000419368956Department of Genetics, Stanford University School of Medicine, Stanford, CA USA
| | - Ali I. Al-Sultan
- grid.411975.f0000 0004 0607 035XDepartment of Internal Medicine, King Fahd Hospital of the University, Al-Khobar and College of Medicine, Imam Abdulrahman bin Faisal University, Dammam, Saudi Arabia
| | - Abdullah M. Al-Rubaish
- grid.411975.f0000 0004 0607 035XDepartment of Internal Medicine, King Fahd Hospital of the University, Al-Khobar and College of Medicine, Imam Abdulrahman bin Faisal University, Dammam, Saudi Arabia
| | - Khaled R. Alkharsah
- grid.411975.f0000 0004 0607 035XDepartment of Microbiology, College of Medicine, Imam Abdulrahman bin Faisal University, Dammam, Saudi Arabia
| | - Raed M. Sulaiman
- grid.411975.f0000 0004 0607 035XDepartment of Internal Medicine, King Fahd Hospital of the University, Al-Khobar and College of Medicine, Imam Abdulrahman bin Faisal University, Dammam, Saudi Arabia
| | - Abdulaziz A. Al-Quorain
- grid.411975.f0000 0004 0607 035XDepartment of Internal Medicine, King Fahd Hospital of the University, Al-Khobar and College of Medicine, Imam Abdulrahman bin Faisal University, Dammam, Saudi Arabia
| | - Cyril Cyrus
- grid.411975.f0000 0004 0607 035XDepartment of Clinical Biochemistry, College of Medicine, Imam Abdulrahman bin Faisal University, Dammam, Saudi Arabia
| | - Rudaynah A. Alali
- grid.411975.f0000 0004 0607 035XDepartment of Internal Medicine, King Fahd Hospital of the University, Al-Khobar and College of Medicine, Imam Abdulrahman bin Faisal University, Dammam, Saudi Arabia
| | - Chittibabu Vatte
- grid.411975.f0000 0004 0607 035XDepartment of Clinical Biochemistry, College of Medicine, Imam Abdulrahman bin Faisal University, Dammam, Saudi Arabia
| | - Fred L. Robinson
- grid.240531.10000 0004 0456 863XEarle A Chiles Research Institute, Providence Portland Medical Center, Portland, OR USA
| | - Xin Zhou
- grid.168010.e0000000419368956Department of Genetics, Stanford University School of Medicine, Stanford, CA USA
| | - Michael P. Snyder
- grid.168010.e0000000419368956Department of Genetics, Stanford University School of Medicine, Stanford, CA USA
| | - Afnan F. Almuhanna
- grid.411975.f0000 0004 0607 035XDepartment of Radiology, King Fahd Hospital of the University, Al-Khobar and College of Medicine, Imam Abdulrahman bin Faisal University, Dammam, Saudi Arabia
| | - Brendan J. Keating
- grid.25879.310000 0004 1936 8972Department of Surgery, University of Pennsylvania School of Medicine, Philadelphia, PA USA
| | - Brian D. Piening
- grid.240531.10000 0004 0456 863XEarle A Chiles Research Institute, Providence Portland Medical Center, Portland, OR USA
| | - Amein K. Al-Ali
- grid.411975.f0000 0004 0607 035XDepartment of Clinical Biochemistry, College of Medicine, Imam Abdulrahman bin Faisal University, Dammam, Saudi Arabia
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27
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Sawicka-Gutaj N, Gruszczyński D, Zawalna N, Nijakowski K, Muller I, Karpiński T, Salvi M, Ruchała M. Microbiota Alterations in Patients with Autoimmune Thyroid Diseases: A Systematic Review. Int J Mol Sci 2022; 23:13450. [PMID: 36362236 PMCID: PMC9654225 DOI: 10.3390/ijms232113450] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 10/23/2022] [Accepted: 11/01/2022] [Indexed: 08/18/2023] Open
Abstract
Autoimmune thyroid diseases (AITDs) are chronic autoimmune disorders that cause impaired immunoregulation, leading to specific immune responses against thyroid antigens. Graves' disease (GD) and Hashimoto's thyroiditis (HT) are the major forms of AITDs. Increasing evidence suggests a possible role of microbiota alterations in the pathogenesis and progression of AITDs. This systematic review was designed to address the following question: "Is microbiota altered in patients with AITDs?" After screening the selected studies using the inclusion and exclusion criteria, 16 studies were included in this review (in accordance with PRISMA statement guidelines). A meta-analysis revealed that patients with HT showed significantly higher values of diversity indices (except for the Simpson index) and that patients with GD showed significant tendencies toward lower values of all assessed indices compared with healthy subjects. However, the latter demonstrated a higher relative abundance of Bacteroidetes and Actinobacteria at the phylum level and thus Prevotella and Bifidobacterium at the genus level, respectively. Thyroid peroxidase antibodies showed the most significant positive and negative correlations between bacterial levels and thyroid functional parameters. In conclusion, significant alterations in the diversity and composition of the intestinal microbiota were observed in both GD and HT patients.
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Affiliation(s)
- Nadia Sawicka-Gutaj
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, 60-355 Poznan, Poland
| | - Dawid Gruszczyński
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, 60-355 Poznan, Poland
| | - Natalia Zawalna
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, 60-355 Poznan, Poland
| | - Kacper Nijakowski
- Department of Conservative Dentistry and Endodontics, Poznan University of Medical Sciences, 60-812 Poznan, Poland
| | - Ilaria Muller
- Department of Endocrinology, Fondazione IRCCS Cà Granda, Ospedale Maggiore Policlinico, 20122 Milan, Italy
- Graves’ Orbitopathy Center, Fondazione IRCCS Cà Granda, Ospedale Maggiore Policlinico, 20122 Milan, Italy
- Department of Clinical Sciences and Community Health, University of Milan, 20122 Milan, Italy
| | - Tomasz Karpiński
- Department of Medical Microbiology, Poznan University of Medical Sciences, 61-712 Poznan, Poland
| | - Mario Salvi
- Department of Endocrinology, Fondazione IRCCS Cà Granda, Ospedale Maggiore Policlinico, 20122 Milan, Italy
- Graves’ Orbitopathy Center, Fondazione IRCCS Cà Granda, Ospedale Maggiore Policlinico, 20122 Milan, Italy
| | - Marek Ruchała
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, 60-355 Poznan, Poland
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28
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Inhibiting Intestinal Krüppel-Like Factor 5 Impairs the Beneficial Role of Renal Denervation in Gut Microbiota in Rats with Heart Failure. Microbiol Spectr 2022; 10:e0218322. [PMID: 36135378 PMCID: PMC9603959 DOI: 10.1128/spectrum.02183-22] [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] [Indexed: 12/31/2022] Open
Abstract
Krüppel-like factor 5 (KLF5) is critical in maintaining intestinal barrier function, and renal denervation (RDN) mitigates gut microbiota aberrations in rats with heart failure (HF). It is unclear whether intestinal KLF5 can be regulated by RDN and whether inhibiting intestinal KLF5 weakens the beneficial role of RDN on gut microbiota. Sprague-Dawley rats were distributed into a CG (sham transverse aortic constriction [TAC] and sham RDN), HF (induced by TAC), or RDN (underwent RDN after TAC) group or a CG.M, HF.M, or RDN.M group, which included the administration of the KLF5 inhibitor to the CG, HF, or RDN group, respectively. Transmission electron microscopy, mRNA, and protein expression of KLF5 and desmoglein 2 (DSG2) in jejunum and sequencing of the 16S rRNA gene in fecal samples were evaluated. KLF5 expression was lower in the RDN group than in the HF group (P < 0.001). The microvillus length, density, length-to-width ratio, and DSG2 expression were lower in the RDN.M group than in the RDN group, and the same trend was observed between the HF.M and HF groups (all P < 0.05). The gut bacterial community structure was altered after administration of a KLF5 inhibitor. The abundances of Proteobacteria, Gammaproteobacteria, Sutterella, and Prevotellaceae were higher, and the abundance of Firmicutes was lower in the RDN.M group than in the RDN group (all P < 0.05). These findings indicated that RDN suppressed intestinal KLF5 expression, and inhibiting intestinal KLF5 expression exacerbated the gut microbiota by impairing the intestinal barrier function in HF rats following RDN, which weakened the beneficial role of RDN on gut microbiota. IMPORTANCE Krüppel-like factor 5 (KLF5) is critical for the maintenance of intestinal barrier function. It is unclear whether intestinal KLF5 expression can be affected by renal denervation (RDN) in heart failure (HF) and whether inhibiting intestinal KLF5 expression exacerbates the gut microbiome and weakens the role of RDN in mitigating gut microbiome aberrations in HF rats after RDN. We demonstrated that RDN significantly suppressed intestinal KLF5 expression and that inhibiting intestinal expression of KLF5 exacerbated the gut microbiota and weakened the role of RDN in mitigating microbiota aberrations by impairing intestinal barrier function, resulting in an increase in bacteria harmful to cardiac function and a decrease in beneficial bacteria in HF rats following RDN. This study highlighted the important roles of intestinal KLF5 in modulating gut microbiota in HF and suggested that the influence of RDN on intestinal KLF5 was another possible role of RDN in HF besides downregulating the sympathetic nerve.
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Martínez-López YE, Esquivel-Hernández DA, Sánchez-Castañeda JP, Neri-Rosario D, Guardado-Mendoza R, Resendis-Antonio O. Type 2 diabetes, gut microbiome, and systems biology: A novel perspective for a new era. Gut Microbes 2022; 14:2111952. [PMID: 36004400 PMCID: PMC9423831 DOI: 10.1080/19490976.2022.2111952] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
The association between the physio-pathological variables of type 2 diabetes (T2D) and gut microbiota composition suggests a new avenue to track the disease and improve the outcomes of pharmacological and non-pharmacological treatments. This enterprise requires new strategies to elucidate the metabolic disturbances occurring in the gut microbiome as the disease progresses. To this end, physiological knowledge and systems biology pave the way for characterizing microbiota and identifying strategies in a move toward healthy compositions. Here, we dissect the recent associations between gut microbiota and T2D. In addition, we discuss recent advances in how drugs, diet, and exercise modulate the microbiome to favor healthy stages. Finally, we present computational approaches for disentangling the metabolic activity underlying host-microbiota codependence. Altogether, we envision that the combination of physiology and computational modeling of microbiota metabolism will drive us to optimize the diagnosis and treatment of T2D patients in a personalized way.
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Affiliation(s)
- Yoscelina Estrella Martínez-López
- Human Systems Biology Laboratory. Instituto Nacional de Medicina Genómica (INMEGEN). México City, México,Programa de Doctorado en Ciencias Médicas, Odontológicas y de la Salud, Universidad Nacional Autónoma de México (UNAM). Ciudad de México, México,Metabolic Research Laboratory, Department of Medicine and Nutrition. University of Guanajuato. León, Guanajuato, México
| | | | - Jean Paul Sánchez-Castañeda
- Human Systems Biology Laboratory. Instituto Nacional de Medicina Genómica (INMEGEN). México City, México,Programa de Maestría en Ciencias Bioquímicas, Universidad Nacional Autónoma de México (UNAM). Ciudad de México, México
| | - Daniel Neri-Rosario
- Human Systems Biology Laboratory. Instituto Nacional de Medicina Genómica (INMEGEN). México City, México,Programa de Maestría en Ciencias Bioquímicas, Universidad Nacional Autónoma de México (UNAM). Ciudad de México, México
| | - Rodolfo Guardado-Mendoza
- Metabolic Research Laboratory, Department of Medicine and Nutrition. University of Guanajuato. León, Guanajuato, México,Research Department, Hospital Regional de Alta Especialidad del Bajío. León, Guanajuato, México,Rodolfo Guardado-Mendoza Metabolic Research Laboratory, Department of Medicine and Nutrition. University of Guanajuato. León, Guanajuato, México
| | - Osbaldo Resendis-Antonio
- Human Systems Biology Laboratory. Instituto Nacional de Medicina Genómica (INMEGEN). México City, México,Coordinación de la Investigación Científica – Red de Apoyo a la Investigación, Universidad Nacional Autónoma de México (UNAM). Ciudad de México, México,CONTACT Osbaldo Resendis-Antonio Centro de Ciencias de la Complejidad, Universidad Nacional Autónoma de México (UNAM), Periferico Sur 4809, Arenal Tepepan, Tlalpan, 14610 Ciudad de México, CDMX
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Palmnäs-Bédard MSA, Costabile G, Vetrani C, Åberg S, Hjalmarsson Y, Dicksved J, Riccardi G, Landberg R. The human gut microbiota and glucose metabolism: a scoping review of key bacteria and the potential role of SCFAs. Am J Clin Nutr 2022; 116:862-874. [PMID: 36026526 PMCID: PMC9535511 DOI: 10.1093/ajcn/nqac217] [Citation(s) in RCA: 53] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 08/16/2022] [Indexed: 01/26/2023] Open
Abstract
The gut microbiota plays a fundamental role in human nutrition and metabolism and may have direct implications for type 2 diabetes and associated preconditions. An improved understanding of relations between human gut microbiota and glucose metabolism could lead to novel opportunities for type 2 diabetes prevention, but human observational studies reporting on such findings have not been extensively reviewed. Here, we review the literature on associations between gut microbiota and markers and stages of glucose dysregulation and insulin resistance in healthy adults and in adults with metabolic disease and risk factors. We present the current evidence for identified key bacteria and their potential roles in glucose metabolism independent of overweight, obesity, and metabolic drugs. We provide support for SCFAs mediating such effects and discuss the role of diet, as well as metabolites derived from diet and gut microbiota interactions. From 5983 initially identified PubMed records, 45 original studies were eligible and reviewed. α Diversity and 45 bacterial taxa were associated with selected outcomes. Six taxa were most frequently associated with glucose metabolism: Akkermansia muciniphila, Bifidobacterium longum, Clostridium leptum group, Faecalibacterium prausnitzii, and Faecalibacterium (inversely associated) and Dorea (directly associated). For Dorea and A. muciniphila, associations were independent of metabolic drugs and body measures. For A. muciniphila and F. prausnitzii, limited evidence supported SCFA mediation of potential effects on glucose metabolism. We conclude that observational studies applying metagenomics sequencing to identify species-level relations are warranted, as are studies accounting for confounding factors and investigating SCFA and postprandial glucose metabolism. Such advances in the field will, together with mechanistic and prospective studies and investigations into diet-gut microbiota interactions, have the potential to bring critical insight into roles of gut microbiota and microbial metabolites in human glucose metabolism and to contribute toward the development of novel prevention strategies for type 2 diabetes, including precision nutrition.
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Affiliation(s)
| | - Giuseppina Costabile
- Department of Clinical Medicine and Surgery, University of Naples Federico II, Naples, Italy,Task Force on Microbiome Studies, University of Naples Federico II, Naples, Italy
| | - Claudia Vetrani
- Department of Clinical Medicine and Surgery, University of Naples Federico II, Naples, Italy
| | - Sebastian Åberg
- Department of Biology and Biological Engineering, Division of Food and Nutrition Science, Chalmers University of Technology, Gothenburg, Sweden
| | - Yommine Hjalmarsson
- Department of Communication and Learning in Science, Chalmers University of Technology, Gothenburg, Sweden
| | - Johan Dicksved
- Department of Animal Nutrition and Management, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - Gabriele Riccardi
- Department of Clinical Medicine and Surgery, University of Naples Federico II, Naples, Italy,Task Force on Microbiome Studies, University of Naples Federico II, Naples, Italy
| | - Rikard Landberg
- Department of Biology and Biological Engineering, Division of Food and Nutrition Science, Chalmers University of Technology, Gothenburg, Sweden,Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
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Oral administration of Blautia wexlerae ameliorates obesity and type 2 diabetes via metabolic remodeling of the gut microbiota. Nat Commun 2022; 13:4477. [PMID: 35982037 PMCID: PMC9388534 DOI: 10.1038/s41467-022-32015-7] [Citation(s) in RCA: 119] [Impact Index Per Article: 59.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Accepted: 07/12/2022] [Indexed: 11/09/2022] Open
Abstract
The gut microbiome is an important determinant in various diseases. Here we perform a cross-sectional study of Japanese adults and identify the Blautia genus, especially B. wexlerae, as a commensal bacterium that is inversely correlated with obesity and type 2 diabetes mellitus. Oral administration of B. wexlerae to mice induce metabolic changes and anti-inflammatory effects that decrease both high-fat diet–induced obesity and diabetes. The beneficial effects of B. wexlerae are correlated with unique amino-acid metabolism to produce S-adenosylmethionine, acetylcholine, and l-ornithine and carbohydrate metabolism resulting in the accumulation of amylopectin and production of succinate, lactate, and acetate, with simultaneous modification of the gut bacterial composition. These findings reveal unique regulatory pathways of host and microbial metabolism that may provide novel strategies in preventive and therapeutic approaches for metabolic disorders. Here, the authors inversely associate Blautia wexlerae with obesity and type 2 diabetes mellitus in humans and further show that administration of B. wexlerae to mice decrease both high-fat diet–induced obesity and diabetes via modulating gut microbial metabolism.
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Letchumanan G, Abdullah N, Marlini M, Baharom N, Lawley B, Omar MR, Mohideen FBS, Addnan FH, Nur Fariha MM, Ismail Z, Pathmanathan SG. Gut Microbiota Composition in Prediabetes and Newly Diagnosed Type 2 Diabetes: A Systematic Review of Observational Studies. Front Cell Infect Microbiol 2022; 12:943427. [PMID: 36046745 PMCID: PMC9422273 DOI: 10.3389/fcimb.2022.943427] [Citation(s) in RCA: 39] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Accepted: 06/20/2022] [Indexed: 11/13/2022] Open
Abstract
Evidence of gut microbiota involvement in regulating glucose metabolism and type 2 diabetes mellitus (T2DM) progression is accumulating. The understanding of microbial dysbiosis and specific alterations of gut microbiota composition that occur during the early stages of glucose intolerance, unperturbed by anti-diabetic medications, is especially essential. Hence, this systematic review was conducted to summarise the existing evidence related to microbiota composition and diversity in individuals with prediabetes (preDM) and individuals newly diagnosed with T2DM (newDM) in comparison to individuals with normal glucose tolerance (nonDM). A systematic search of the PubMed, MEDLINE and CINAHL databases were conducted from inception to February 2021 supplemented with manual searches of the list of references. The primary keywords of “type 2 diabetes”, “prediabetes”, “newly-diagnosed” and “gut microbiota” were used. Observational studies that conducted analysis of the gut microbiota of respondents with preDM and newDM were included. The quality of the studies was assessed using the modified Newcastle-Ottawa scale by independent reviewers. A total of 18 studies (5,489 participants) were included. Low gut microbial diversity was generally observed in preDM and newDM when compared to nonDM. Differences in gut microbiota composition between the disease groups and nonDM were inconsistent across the included studies. Four out of the 18 studies found increased abundance of phylum Firmicutes along with decreased abundance of Bacteroidetes in newDM. At the genus/species levels, decreased abundance of Faecalibacterium prausnitzii, Roseburia, Dialister, Flavonifractor, Alistipes, Haemophilus and Akkermansia muciniphila and increased abundance of Lactobacillus, Streptococcus, Escherichia, Veillonella and Collinsella were observed in the disease groups in at least two studies. Lactobacillus was also found to positively correlate with fasting plasma glucose (FPG), HbA1c and/or homeostatic assessment of insulin resistance (HOMA-IR) in four studies. This renders a need for further investigations on the species/strain-specific role of endogenously present Lactobacillus in glucose regulation mechanism and T2DM disease progression. Differences in dietary intake caused significant variation in specific bacterial abundances. More studies are needed to establish more consistent associations, between clinical biomarkers or dietary intake and specific gut bacterial composition in prediabetes and early T2DM.
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Affiliation(s)
- Geetha Letchumanan
- Department of Medical Sciences, Faculty of Medicine & Health Sciences, Universiti Sains Islam Malaysia (USIM), Negeri Sembilan, Malaysia
| | - Natasya Abdullah
- Department of Medical Sciences, Faculty of Medicine & Health Sciences, Universiti Sains Islam Malaysia (USIM), Negeri Sembilan, Malaysia
| | - Muhamad Marlini
- Department of Medical Sciences, Faculty of Medicine & Health Sciences, Universiti Sains Islam Malaysia (USIM), Negeri Sembilan, Malaysia
| | - Nizam Baharom
- Public Health Unit, Department of Primary Health Care, Faculty of Medicine & Health Sciences, Universiti Sains Islam Malaysia (USIM), Negeri Sembilan, Malaysia
| | - Blair Lawley
- Department of Microbiology and Immunology, School of Biomedical Sciences, University of Otago, Dunedin, New Zealand
| | - Mohd Rahman Omar
- Medical-based Department, Faculty of Medicine & Health Sciences, Universiti Sains Islam Malaysia (USIM), Negeri Sembilan, Malaysia
| | - Fathima Begum Syed Mohideen
- Family Medicine Unit, Department of Primary Health Care, Faculty of Medicine & Health Sciences, Universiti Sains Islam Malaysia (USIM), Negeri Sembilan, Malaysia
| | - Faizul Helmi Addnan
- Department of Medical Sciences, Faculty of Medicine & Health Sciences, Universiti Sains Islam Malaysia (USIM), Negeri Sembilan, Malaysia
| | - Mohd Manzor Nur Fariha
- Department of Medical Sciences, Faculty of Medicine & Health Sciences, Universiti Sains Islam Malaysia (USIM), Negeri Sembilan, Malaysia
| | - Zarini Ismail
- Department of Medical Sciences, Faculty of Medicine & Health Sciences, Universiti Sains Islam Malaysia (USIM), Negeri Sembilan, Malaysia
| | - Siva Gowri Pathmanathan
- Department of Medical Sciences, Faculty of Medicine & Health Sciences, Universiti Sains Islam Malaysia (USIM), Negeri Sembilan, Malaysia
- *Correspondence: Siva Gowri Pathmanathan,
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Reynoso-García J, Miranda-Santiago AE, Meléndez-Vázquez NM, Acosta-Pagán K, Sánchez-Rosado M, Díaz-Rivera J, Rosado-Quiñones AM, Acevedo-Márquez L, Cruz-Roldán L, Tosado-Rodríguez EL, Figueroa-Gispert MDM, Godoy-Vitorino F. A complete guide to human microbiomes: Body niches, transmission, development, dysbiosis, and restoration. FRONTIERS IN SYSTEMS BIOLOGY 2022; 2:951403. [PMID: 38993286 PMCID: PMC11238057 DOI: 10.3389/fsysb.2022.951403] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 07/13/2024]
Abstract
Humans are supra-organisms co-evolved with microbial communities (Prokaryotic and Eukaryotic), named the microbiome. These microbiomes supply essential ecosystem services that play critical roles in human health. A loss of indigenous microbes through modern lifestyles leads to microbial extinctions, associated with many diseases and epidemics. This narrative review conforms a complete guide to the human holobiont-comprising the host and all its symbiont populations- summarizes the latest and most significant research findings in human microbiome. It pretends to be a comprehensive resource in the field, describing all human body niches and their dominant microbial taxa while discussing common perturbations on microbial homeostasis, impacts of urbanization and restoration and humanitarian efforts to preserve good microbes from extinction.
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Affiliation(s)
| | | | | | - Kimil Acosta-Pagán
- Department of Microbiology and Medical Zoology, UPR School of Medicine, San Juan, PR, United States
| | - Mitchell Sánchez-Rosado
- Department of Microbiology and Medical Zoology, UPR School of Medicine, San Juan, PR, United States
| | - Jennifer Díaz-Rivera
- Department of Microbiology and Medical Zoology, UPR School of Medicine, San Juan, PR, United States
| | - Angélica M. Rosado-Quiñones
- Department of Biology, UPR Rio Piedras Campus, San Juan, PR, United States
- Department of Microbiology and Medical Zoology, UPR School of Medicine, San Juan, PR, United States
| | - Luis Acevedo-Márquez
- Department of Microbiology and Medical Zoology, UPR School of Medicine, San Juan, PR, United States
| | - Lorna Cruz-Roldán
- Department of Microbiology and Medical Zoology, UPR School of Medicine, San Juan, PR, United States
| | | | | | - Filipa Godoy-Vitorino
- Department of Microbiology and Medical Zoology, UPR School of Medicine, San Juan, PR, United States
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De D, Nayak T, Chowdhury S, Dhal PK. Insights of Host Physiological Parameters and Gut Microbiome of Indian Type 2 Diabetic Patients Visualized via Metagenomics and Machine Learning Approaches. Front Microbiol 2022; 13:914124. [PMID: 35923393 PMCID: PMC9340226 DOI: 10.3389/fmicb.2022.914124] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 06/13/2022] [Indexed: 11/13/2022] Open
Abstract
Type 2 diabetes (T2D) is a serious public health issue and may also contribute to modification in the structure of the intestinal microbiota, implying a link between T2D and microbial inhabitants in the digestive tract. This work aimed to develop efficient models for identifying essential physiological markers for improved T2D classification using machine learning algorithms. Using amplicon metagenomic approaches, an effort has also been made to understand the alterations in core gut microbial members in Indian T2D patients with respect to their control normal glucose tolerance (NGT). Our data indicate the level of fasting blood glucose (FBG) and glycated hemoglobin (HbA1c) were the most useful physiological indicators while random forest and support vector machine with RBF Kernel were effective predictions models for identifications of T2D. The dominating gut microbial members Allopreotella, Rikenellaceae RC9 gut group, Haemophilus, Ruminococcus torques group, etc. in Indian T2D patients showed a strong association with both FBG and HbA1c. These members have been reported to have a crucial role in gut barrier breakdown, blood glucose, and lipopolysaccharide level escalation, or as biomarkers. While the dominant NGT microbiota (Akkermansia, Ligilactobacillus, Enterobacter, etc.) in the colon has been shown to influence inflammatory immune responses by acting as an anti-inflammatory agent and maintaining the gut barrier. The topology study of co-occurrence network analysis indicates that changes in network complexity in T2D lead to variations in the different gut microbial members compared to NGT. These studies provide a better understanding of the gut microbial diversity in Indian T2D patients and show the way for the development of valuable diagnostics strategies to improve the prediction and modulation of the T2D along with already established methods.
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Affiliation(s)
- Debjit De
- Department of Life Science and Biotechnology, Jadavpur University, Kolkata, India
| | - Tilak Nayak
- Department of Life Science and Biotechnology, Jadavpur University, Kolkata, India
| | - Subhankar Chowdhury
- Department of Endocrinology, Institute of Post Graduate Medical Education and Research (IPGMER) and SSKM Hospital, Kolkata, India
| | - Paltu Kumar Dhal
- Department of Life Science and Biotechnology, Jadavpur University, Kolkata, India
- *Correspondence: Paltu Kumar Dhal
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Petrak F, Herpertz S, Hirsch J, Röhrig B, Donati-Hirsch I, Juckel G, Meier JJ, Gatermann S. Gut microbiota differs in composition between adults with type 1 diabetes with or without depression and healthy control participants: a case-control study. BMC Microbiol 2022; 22:169. [PMID: 35764926 PMCID: PMC9237965 DOI: 10.1186/s12866-022-02575-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Accepted: 06/10/2022] [Indexed: 04/05/2024] Open
Abstract
Abstract
Background
Individuals with type 1 diabetes and those with depression show differences in the composition of the gut microbiome from that of healthy people. However, these differences have not yet been studied in patients with both diseases. Therefore, we compared the gut microbiome of people with type 1 diabetes with or without depression with matched healthy controls.
Methods
A case-control study was conducted in 20 adults with type 1 diabetes (group A), 20 adults with type 1 diabetes and depression (group B), and 20 healthy adults (group C). Gut microbiota composition was determined by sequencing of the V3-V4 region of the bacterial 16S rDNA and alpha and beta diversity was compared between the groups.
Results
Groups A and B both showed higher alpha diversity than the healthy control group (P < 0.001) but alpha diversity did not differ significantly between groups A and B. Participants having type 1 diabetes with (P < 0.05) or without comorbid depression (P < 0.001) differed regarding beta diversity from healthy controls but not between each other. Group B (diabetes with depression) had significantly higher abundance of Megaspaera than groups A and C. Both diabetes groups had a higher abundance of Christensenellaceae, Succinivibrionaceae, and Rhodospirillaceae than the healthy group but similar between-group abundances.
Conclusions
While differences in alpha and beta diversity and in some bacterial taxa occurred only between participants with diabetes and healthy controls, specific characteristics regarding the abundance of Megasphaera were observed in people with diabetes and comorbid depression. In summary, the study findings indicate a possible involvement of bacterial groups in depression in people with diabetes. The results suggest replication studies in larger samples to verify these findings.
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Shuai M, Zhang G, Zeng F, Fu Y, Liang X, Yuan L, Xu F, Gou W, Miao Z, Jiang Z, Wang J, Zhuo L, Chen Y, Ju F, Zheng J. Human Gut Antibiotic Resistome and Progression of Diabetes. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2104965. [PMID: 35142450 PMCID: PMC9008416 DOI: 10.1002/advs.202104965] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 01/13/2022] [Indexed: 05/02/2023]
Abstract
The antibiotic resistance crisis underlies globally increasing failures in treating deadly bacterial infections, largely due to the selection of antibiotic resistance genes (ARG) collection, known as the resistome, in human gut microbiota. So far, little is known about the relationship between gut antibiotic resistome and host metabolic disorders such as type 2 diabetes (T2D). Here, metagenomic landscape of gut antibiotic resistome is profiled in a large multiomics human cohort (n = 1210). There is a significant overall shift in gut antibiotic resistome structure among healthy, prediabetes, and T2D groups. It is found that larger ARG diversity is associated with a higher risk of T2D. The novel diabetes ARG score is positively associated with glycemic traits. Longitudinal validation analysis confirms that the ARG score is associated with T2D progression, characterized by the change of insulin resistance. Collectively, the data describe the profiles of gut antibiotic resistome and support its close relationship with T2D progression.
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Affiliation(s)
- Menglei Shuai
- Key Laboratory of Growth Regulation and Translational Research of Zhejiang ProvinceSchool of Life SciencesWestlake UniversityHangzhou310030China
- Westlake Intelligent Biomarker Discovery LabWestlake Laboratory of Life Sciences and BiomedicineHangzhou310024China
| | - Guoqing Zhang
- Key Laboratory of Coastal Environment and Resources of Zhejiang ProvinceSchool of EngineeringWestlake UniversityHangzhou310030China
- Institute of Advanced TechnologyWestlake Institute for Advanced StudyHangzhou310024China
| | - Fang‐fang Zeng
- Guangdong Provincial Key Laboratory of FoodNutrition and HealthDepartment of EpidemiologySchool of Public HealthSun Yat‐sen UniversityGuangzhou510275China
- Department of EpidemiologySchool of MedicineJinan UniversityGuangzhou510632China
| | - Yuanqing Fu
- Key Laboratory of Growth Regulation and Translational Research of Zhejiang ProvinceSchool of Life SciencesWestlake UniversityHangzhou310030China
- Westlake Intelligent Biomarker Discovery LabWestlake Laboratory of Life Sciences and BiomedicineHangzhou310024China
- Institute of Basic Medical SciencesWestlake Institute for Advanced StudyHangzhou310024China
| | - Xinxiu Liang
- Key Laboratory of Growth Regulation and Translational Research of Zhejiang ProvinceSchool of Life SciencesWestlake UniversityHangzhou310030China
- Westlake Intelligent Biomarker Discovery LabWestlake Laboratory of Life Sciences and BiomedicineHangzhou310024China
| | - Ling Yuan
- Key Laboratory of Coastal Environment and Resources of Zhejiang ProvinceSchool of EngineeringWestlake UniversityHangzhou310030China
- Institute of Advanced TechnologyWestlake Institute for Advanced StudyHangzhou310024China
| | - Fengzhe Xu
- Key Laboratory of Growth Regulation and Translational Research of Zhejiang ProvinceSchool of Life SciencesWestlake UniversityHangzhou310030China
- Westlake Intelligent Biomarker Discovery LabWestlake Laboratory of Life Sciences and BiomedicineHangzhou310024China
| | - Wanglong Gou
- Key Laboratory of Growth Regulation and Translational Research of Zhejiang ProvinceSchool of Life SciencesWestlake UniversityHangzhou310030China
- Westlake Intelligent Biomarker Discovery LabWestlake Laboratory of Life Sciences and BiomedicineHangzhou310024China
| | - Zelei Miao
- Key Laboratory of Growth Regulation and Translational Research of Zhejiang ProvinceSchool of Life SciencesWestlake UniversityHangzhou310030China
- Westlake Intelligent Biomarker Discovery LabWestlake Laboratory of Life Sciences and BiomedicineHangzhou310024China
| | - Zengliang Jiang
- Key Laboratory of Growth Regulation and Translational Research of Zhejiang ProvinceSchool of Life SciencesWestlake UniversityHangzhou310030China
- Westlake Intelligent Biomarker Discovery LabWestlake Laboratory of Life Sciences and BiomedicineHangzhou310024China
- Institute of Basic Medical SciencesWestlake Institute for Advanced StudyHangzhou310024China
| | - Jia‐ting Wang
- Guangdong Provincial Key Laboratory of FoodNutrition and HealthDepartment of EpidemiologySchool of Public HealthSun Yat‐sen UniversityGuangzhou510275China
| | - Lai‐bao Zhuo
- Guangdong Provincial Key Laboratory of FoodNutrition and HealthDepartment of EpidemiologySchool of Public HealthSun Yat‐sen UniversityGuangzhou510275China
| | - Yu‐ming Chen
- Guangdong Provincial Key Laboratory of FoodNutrition and HealthDepartment of EpidemiologySchool of Public HealthSun Yat‐sen UniversityGuangzhou510275China
| | - Feng Ju
- Westlake Intelligent Biomarker Discovery LabWestlake Laboratory of Life Sciences and BiomedicineHangzhou310024China
- Key Laboratory of Coastal Environment and Resources of Zhejiang ProvinceSchool of EngineeringWestlake UniversityHangzhou310030China
- Institute of Advanced TechnologyWestlake Institute for Advanced StudyHangzhou310024China
| | - Ju‐Sheng Zheng
- Key Laboratory of Growth Regulation and Translational Research of Zhejiang ProvinceSchool of Life SciencesWestlake UniversityHangzhou310030China
- Westlake Intelligent Biomarker Discovery LabWestlake Laboratory of Life Sciences and BiomedicineHangzhou310024China
- Institute of Basic Medical SciencesWestlake Institute for Advanced StudyHangzhou310024China
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Fermented brown rice beverage distinctively modulates the gut microbiota in Okinawans with Metabolic Syndrome: a randomized controlled trial. Nutr Res 2022; 103:68-81. [DOI: 10.1016/j.nutres.2022.03.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 03/23/2022] [Accepted: 03/26/2022] [Indexed: 11/16/2022]
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The Relationship between Physical Activity, Physical Exercise, and Human Gut Microbiota in Healthy and Unhealthy Subjects: A Systematic Review. BIOLOGY 2022; 11:biology11030479. [PMID: 35336852 PMCID: PMC8945171 DOI: 10.3390/biology11030479] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 03/18/2022] [Accepted: 03/20/2022] [Indexed: 02/06/2023]
Abstract
Simple Summary To date, the influence that physical activity (PA)/physical exercise (PE) can exert on the human gut microbiota (GM) is still poorly understood. Several issues arise in structuring research in this area, starting from the association between PA/PE and diet. Indeed, the diet of an individual is a key factor for the composition of the GM and those who regularly practice PA/PE, generally, have dietary patterns favorable to the creation of an ideal environment for the proliferation of a GM capable of contributing to the host’s health. It is therefore difficult to establish with certainty whether the effects generated on the GM are due to a PA protocol, the type of diet followed, or to both. In addition, most of the available studies use animal models to investigate a possible correlation between PA/PE and changes in the GM, which may be not necessarily applied to humans. Evidence suggests that aerobic PA/PE seems capable of producing significant changes in GM; training parameters, likewise, can differentially influence the GM in young or elderly people and these changes appear to be transient and reversible. Abstract Several studies have been conducted to find at least an association between physical activity (PA)/ physical exercise (PE) and the possibility to modulate the gut microbiome (GM). However, the specific effects produced on the human GM by different types of PA/PE, different training modalities, and their age-related effects are not yet fully understood. Therefore, this systematic review aims to evaluate and summarize the current scientific evidence investigating the bi-directional relationship between PA/PE and the human GM, with a specific focus on the different types/variables of PA/PE and age-related effects, in healthy and unhealthy people. A systematic search was conducted across four databases (Web of Science, Medline (PubMed), Google Scholar, and Cochrane Library). Information was extracted using the populations, exposure, intervention, comparison, outcomes (PICOS) format. The Oxford Quality Scoring System Scale, the Risk of Bias in Non-Randomized Studies of Interventions (ROBINS-I) tool, and the JBI Critical Appraisal Checklist for Analytical Cross-Sectional Studies were used as a qualitative measure of the review. The protocol was registered in PROSPERO (code: CRD42022302725). The following data items were extracted: author, year of publication, study design, number and age of participants, type of PA/PE carried out, protocol/workload and diet assessment, duration of intervention, measurement tools used, and main outcomes. Two team authors reviewed 694 abstracts for inclusion and at the end of the screening process, only 76 full texts were analyzed. Lastly, only 25 research articles met the eligibility criteria. The synthesis of these findings suggests that GM diversity is associated with aerobic exercise contrary to resistance training; abundance of Prevotella genus seems to be correlated with training duration; no significant change in GM richness and diversity are detected when exercising according to the minimum dose recommended by the World Health Organizations; intense and prolonged PE can induce a higher abundance of pro-inflammatory bacteria; PA does not lead to significant GM α/β-diversity in elderly people (60+ years). The heterogeneity of the training parameters used in the studies, diet control, and different sequencing methods are the main confounders. Thus, this systematic review can provide an in-depth overview of the relationship between PA/PE and the human intestinal microbiota and, at the same time, provide indications from the athletic and health perspective.
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Mahalak KK, Bobokalonov J, Firrman J, Williams R, Evans B, Fanelli B, Soares JW, Kobori M, Liu L. Analysis of the Ability of Capsaicin to Modulate the Human Gut Microbiota In Vitro. Nutrients 2022; 14:nu14061283. [PMID: 35334939 PMCID: PMC8950947 DOI: 10.3390/nu14061283] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Revised: 03/08/2022] [Accepted: 03/11/2022] [Indexed: 12/22/2022] Open
Abstract
Previous studies on capsaicin, the bioactive compound in chili peppers, have shown that it may have a beneficial effect in vivo when part of a regular diet. These positive health benefits, including an anti-inflammatory potential and protective effects against obesity, are often attributed to the gut microbial community response to capsaicin. However, there is no consensus on the mechanism behind the protective effect of capsaicin. In this study, we used an in vitro model of the human gut microbiota to determine how regular consumption of capsaicin impacts the gut microbiota. Using a combination of NextGen sequencing and metabolomics, we found that regular capsaicin treatment changed the structure of the gut microbial community by increasing diversity and certain SCFA abundances, particularly butanoic acid. Through this study, we determined that the addition of capsaicin to the in vitro cultures of the human gut microbiome resulted in increased diversity of the microbial community and an increase in butanoic acid. These changes may be responsible for the health benefits associated with CAP consumption.
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Affiliation(s)
- Karley K. Mahalak
- Dairy and Functional Foods Research Unit, Eastern Regional Research Center, Agricultural Research Service, United States Department of Agriculture, 600E Mermaid Lane, Montgomery, PA 19038, USA; (J.B.); (J.F.); (L.L.)
- Correspondence: ; Tel.: +1-215-836-6922
| | - Jamshed Bobokalonov
- Dairy and Functional Foods Research Unit, Eastern Regional Research Center, Agricultural Research Service, United States Department of Agriculture, 600E Mermaid Lane, Montgomery, PA 19038, USA; (J.B.); (J.F.); (L.L.)
| | - Jenni Firrman
- Dairy and Functional Foods Research Unit, Eastern Regional Research Center, Agricultural Research Service, United States Department of Agriculture, 600E Mermaid Lane, Montgomery, PA 19038, USA; (J.B.); (J.F.); (L.L.)
| | - Russell Williams
- Proteomics and Mass Spectrometry Facility, Donald Danforth Plant Science Center, 975 North Warson Road, St. Louis, MO 63132, USA; (R.W.); (B.E.)
| | - Bradley Evans
- Proteomics and Mass Spectrometry Facility, Donald Danforth Plant Science Center, 975 North Warson Road, St. Louis, MO 63132, USA; (R.W.); (B.E.)
| | - Brian Fanelli
- CosmosID Inc., 1600 East Gude Drive, Rockville, MD 20850, USA;
| | - Jason W. Soares
- Soldier Effectiveness Directorate, US Army Combat Capabilities Development Command Soldier Center, Middlesex, MA 01760, USA;
| | - Masuko Kobori
- Food Research Institute, National Agriculture and Food Research Organization, Tsukuba 305-8642, Japan;
| | - LinShu Liu
- Dairy and Functional Foods Research Unit, Eastern Regional Research Center, Agricultural Research Service, United States Department of Agriculture, 600E Mermaid Lane, Montgomery, PA 19038, USA; (J.B.); (J.F.); (L.L.)
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Rold LS, Bundgaard-Nielsen C, Niemann Holm-Jacobsen J, Glud Ovesen P, Leutscher P, Hagstrøm S, Sørensen S. Characteristics of the gut microbiome in women with gestational diabetes mellitus: A systematic review. PLoS One 2022; 17:e0262618. [PMID: 35025980 PMCID: PMC8757951 DOI: 10.1371/journal.pone.0262618] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Accepted: 12/29/2021] [Indexed: 12/15/2022] Open
Abstract
Background The incidence of women developing gestational diabetes mellitus (GDM) is increasing, which is associated with an increased risk of type 2 diabetes mellitus (T2DM) for both mother and child. Gut microbiota dysbiosis may contribute to the pathogenesis of both GDM and the accompanying risk of T2DM. Thus, a better understanding of the microbial communities associated with GDM could offer a potential target for intervention and treatment in the future. Therefore, we performed a systematic review to investigate if the GDM women have a distinct gut microbiota composition compared to non-GDM women. Methods We identified 21 studies in a systematic literature search of Embase and PubMed up to February 24, 2021. Data on demographics, methodology and identified microbial metrics were extracted. The quality of each study was assessed according to the Newcastle-Ottawa Scale. Results Sixteen of the studies did find a GDM-associated gut microbiota, although no consistency could be seen. Only Collinsella and Blautia showed a tendency to be increased in GDM women, whereas the remaining genera were significantly different in opposing directions. Conclusion Although most of the studies found an association between GDM and gut microbiota dysbiosis, no overall GDM-specific gut microbiota could be identified. All studies in the second trimester found a difference between GDM and non-GDM women, indicating that dysbiosis is present at the time of diagnosis. Nevertheless, it is still unclear when the dysbiosis develops, as no consensus could be seen between the studies investigating the gut microbiota in the first trimester of pregnancy. However, studies varied widely concerning methodology and study design, which might explain the highly heterogeneous gut microbiota compositions between studies. Therefore, future studies need to include multiple time points and consider possible confounding factors such as ethnicity, pre-pregnancy body mass index, and GDM treatment.
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Affiliation(s)
- Louise Søndergaard Rold
- Centre for Clinical Research, North Denmark Regional Hospital, Hjørring, Denmark
- Steno Diabetes Centre North Denmark, Aalborg, Denmark
| | - Caspar Bundgaard-Nielsen
- Centre for Clinical Research, North Denmark Regional Hospital, Hjørring, Denmark
- Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | | | - Per Glud Ovesen
- Department of Obstetrics and Gynecology, Aarhus University Hospital, Aarhus, Denmark
- Department of Clinical Medicine, Aarhus University Hospital, Aarhus, Denmark
- Steno Diabetes Center Aarhus, Aarhus University Hospital, Aarhus, Denmark
| | - Peter Leutscher
- Centre for Clinical Research, North Denmark Regional Hospital, Hjørring, Denmark
- Steno Diabetes Centre North Denmark, Aalborg, Denmark
- Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - Søren Hagstrøm
- Centre for Clinical Research, North Denmark Regional Hospital, Hjørring, Denmark
- Steno Diabetes Centre North Denmark, Aalborg, Denmark
- Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
- Department of Pediatrics, Aalborg University Hospital, Aalborg, Denmark
| | - Suzette Sørensen
- Centre for Clinical Research, North Denmark Regional Hospital, Hjørring, Denmark
- Steno Diabetes Centre North Denmark, Aalborg, Denmark
- Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
- * E-mail:
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Price CA, Jospin G, Brownell K, Eisen JA, Laraia B, Epel ES. Differences in gut microbiome by insulin sensitivity status in Black and White women of the National Growth and Health Study (NGHS): A pilot study. PLoS One 2022; 17:e0259889. [PMID: 35045086 PMCID: PMC8769296 DOI: 10.1371/journal.pone.0259889] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Accepted: 10/28/2021] [Indexed: 12/22/2022] Open
Abstract
The prevalence of overweight and obesity is greatest amongst Black women in the U.S., contributing to disproportionately higher type 2 diabetes prevalence compared to White women. Insulin resistance, independent of body mass index, tends to be greater in Black compared to White women, yet the mechanisms to explain these differences are not completely understood. The gut microbiome is implicated in the pathophysiology of obesity, insulin resistance and cardiometabolic disease. Only two studies have examined race differences in Black and White women, however none characterizing the gut microbiome based on insulin sensitivity by race and sex. Our objective was to determine if gut microbiome profiles differ between Black and White women and if so, determine if these race differences persisted when accounting for insulin sensitivity status. In a pilot cross-sectional analysis, we measured the relative abundance of bacteria in fecal samples collected from a subset of 168 Black (n = 94) and White (n = 74) women of the National Growth and Health Study (NGHS). We conducted analyses by self-identified race and by race plus insulin sensitivity status (e.g. insulin sensitive versus insulin resistant as determined by HOMA-IR). A greater proportion of Black women were classified as IR (50%) compared to White women (30%). Alpha diversity did not differ by race nor by race and insulin sensitivity status. Beta diversity at the family level was significantly different by race (p = 0.033) and by the combination of race plus insulin sensitivity (p = 0.038). Black women, regardless of insulin sensitivity, had a greater relative abundance of the phylum Actinobacteria (p = 0.003), compared to White women. There was an interaction between race and insulin sensitivity for Verrucomicrobia (p = 0.008), where among those with insulin resistance, Black women had four fold higher abundance than White women. At the family level, we observed significant interactions between race and insulin sensitivity for Lachnospiraceae (p = 0.007) and Clostridiales Family XIII (p = 0.01). Our findings suggest that the gut microbiome, particularly lower beta diversity and greater Actinobacteria, one of the most abundant species, may play an important role in driving cardiometabolic health disparities of Black women, indicating an influence of social and environmental factors on the gut microbiome.
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Affiliation(s)
- Candice A. Price
- Department of Molecular Biosciences, School of Veterinary Medicine, University of California, Davis, CA, United States of America
| | - Guillaume Jospin
- Genome Center, University of California Davis, Davis, CA, United States of America
| | - Kristy Brownell
- Center for Obesity Assessment, Study and Treatment, University of California, San Francisco, California, United States of America
- School of Public Health, University of California, Berkeley, California, United States of America
| | - Jonathan A. Eisen
- Genome Center, University of California Davis, Davis, CA, United States of America
- Department of Evolution and Ecology, University of California, Davis, CA, United States of America
- Department of Medical Microbiology and Immunology, University of California, Davis, CA, United States of America
| | - Barbara Laraia
- Center for Obesity Assessment, Study and Treatment, University of California, San Francisco, California, United States of America
- School of Public Health, University of California, Berkeley, California, United States of America
| | - Elissa S. Epel
- Department of Psychiatry, University of California, San Francisco, CA, United States of America
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Chu N, Chan JCN, Chow E. Pharmacomicrobiomics in Western Medicine and Traditional Chinese Medicine in Type 2 Diabetes. Front Endocrinol (Lausanne) 2022; 13:857090. [PMID: 35600606 PMCID: PMC9114736 DOI: 10.3389/fendo.2022.857090] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Accepted: 04/01/2022] [Indexed: 12/13/2022] Open
Abstract
Pharmacomicrobiomics refers to the interactions between foreign compounds and the gut microbiome resulting in heterogeneous efficacy, side effects, and toxicity of the compound concerned. Glucose lowering drugs reduce blood glucose by modulating insulin secretion and its actions as well as redistributing energy disposal. Apart from genetic, ecological, and lifestyle factors, maintaining an equilibrium of the whole gut microbiome has been shown to improve human health. Microbial fingerprinting using faecal samples indicated an 'invisible phenotype' due to different compositions of microbiota which might orchestrate the interactions between patients' phenotypes and their responses to glucose-lowering drugs. In this article, we summarize the current evidence on differences in composition of gut microbiota between individuals with type 2 diabetes (T2D) and healthy individuals, the disruption of the balance of beneficial and pathogenic microbiota was shown in patients with T2D and how Western Medicine (WM) and Traditional Chinese Medicine (TCM) might re-shape the gut microbiota with benefits to the host immunity and metabolic health. We particularly highlighted the effects of both WM and TCM increase the relative abundance of health promoting bacteria, such as, Akkermansia muciniphila, Blautia, and Bifidobacterium adolescentis, and which have been implicated in type 2 diabetes (T2D). Several lines of evidence suggested that TCM might complement the efficacy of WM through alteration of microbiota which warrants further investigation in our pursuit of prevention and control of T2D.
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Affiliation(s)
- Natural Chu
- Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong, Hong Kong SAR, China
| | - Juliana C. N. Chan
- Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong, Hong Kong SAR, China
- Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong, Hong Kong SAR, China
- Hong Kong Institute of Diabetes and Obesity, The Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong, Hong Kong SAR, China
- Phase 1 Clinical Trial Centre, The Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong, Hong Kong SAR, China
| | - Elaine Chow
- Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong, Hong Kong SAR, China
- Phase 1 Clinical Trial Centre, The Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong, Hong Kong SAR, China
- *Correspondence: Elaine Chow,
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Jayanama K, Phuphuakrat A, Pongchaikul P, Prombutara P, Nimitphong H, Reutrakul S, Sungkanuparph S. Association between gut microbiota and prediabetes in people living with HIV. CURRENT RESEARCH IN MICROBIAL SCIENCES 2022; 3:100143. [PMID: 35909623 PMCID: PMC9325897 DOI: 10.1016/j.crmicr.2022.100143] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 05/27/2022] [Accepted: 05/30/2022] [Indexed: 12/15/2022] Open
Abstract
Gut microbiota are known to be associated with various metabolic syndromes. Diversity of gut microbiota decreases in PLWH with prediabetes. Streptococcus and Anaerostignum are more abundant in the prediabetes group. Further study of alteration in gut microbiota on glucose metabolism is warranted.
The prevalence of prediabetes is rapidly increasing in general population and in people living with HIV (PLWH). Gut microbiota play an important role in human health, and dysbiosis is associated with metabolic disorders and HIV infection. Here, we aimed to evaluate the association between gut microbiota and prediabetes in PLWH. A cross-sectional study enrolled 40 PLWH who were receiving antiretroviral therapy and had an undetectable plasma viral load. Twenty participants had prediabetes, and 20 were normoglycemic. Fecal samples were collected from all participants. The gut microbiome profiles were analyzed using 16S rRNA sequencing. Alpha-diversity was significantly lower in PLWH with prediabetes than in those with normoglycemia (p<0.05). A significant difference in beta-diversity was observed between PLWH with prediabetes and PLWH with normoglycemia (p<0.05). Relative abundances of two genera in Firmicutes (Streptococcus and Anaerostignum) were significantly higher in the prediabetes group. In contrast, relative abundances of 13 genera (e.g., Akkermansia spp., Christensenellaceae R7 group) were significantly higher in the normoglycemic group. In conclusion, the diversity of gut microbiota composition decreased in PLWH with prediabetes. The abundances of 15 bacterial taxa in the genus level differed between PLWH with prediabetes and those with normoglycemia. Further studies on the effect of these taxa on glucose metabolism are warranted.
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Kalia VC, Gong C, Shanmugam R, Lin H, Zhang L, Lee JK. The Emerging Biotherapeutic Agent: Akkermansia. Indian J Microbiol 2021; 62:1-10. [PMID: 34931096 PMCID: PMC8674859 DOI: 10.1007/s12088-021-00993-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 12/02/2021] [Indexed: 12/17/2022] Open
Abstract
The human gastrointestinal tract (GIT) is a well-recognized hub of microbial activities. The microbiota harboring the mucus layer of the GIT act as a defense against noxious substances, and pathogens including Clostridium difficile, Enterococcus faecium, Escherichia coli, Salmonella Typhimurium. Toxins, pathogens, and antibiotics perturb the commensal floral composition within the GIT. Imbalanced gut microbiota leads to dysbiosis, manifested as diseases ranging from obesity, diabetes, and cancer to reduced lifespan. Among the bacteria present in the gut microbiome, the most beneficial are those representing Firmicutes and Bacteroidetes. Recent studies have revealed the emergence of a novel biotherapeutic agent, Akkermansia, which is instrumental in regaining eubiosis and conferring various health benefits.
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Affiliation(s)
- Vipin Chandra Kalia
- Department of Chemical Engineering, Konkuk University, 1 Hwayang-Dong, Gwangjin-Gu, Seoul, 05029 Republic of Korea
| | - Chunjie Gong
- National “111” Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan, 430068 People’s Republic of China
| | - Ramasamy Shanmugam
- Department of Chemical Engineering, Konkuk University, 1 Hwayang-Dong, Gwangjin-Gu, Seoul, 05029 Republic of Korea
| | - Hui Lin
- College of Life Sciences, Gutian Edible Fungi Research Institute, Fujian Agriculture and Forestry University, Fuzhou, 350002 People’s Republic of China
| | - Liaoyuan Zhang
- College of Life Sciences, Gutian Edible Fungi Research Institute, Fujian Agriculture and Forestry University, Fuzhou, 350002 People’s Republic of China
| | - Jung-Kul Lee
- Department of Chemical Engineering, Konkuk University, 1 Hwayang-Dong, Gwangjin-Gu, Seoul, 05029 Republic of Korea
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Naudhani M, Thakur K, Ni ZJ, Zhang JG, Wei ZJ. Formononetin reshapes the gut microbiota, prevents progression of obesity and improves host metabolism. Food Funct 2021; 12:12303-12324. [PMID: 34821251 DOI: 10.1039/d1fo02942h] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Formononetin (FMNT) is an isoflavone that has been studied for its anti-hyperglycemic and anti-diabetic effects. However, the effect of FMNT on gut dysbiosis and metabolic complications associated with western-style diet consumption has not been reported yet. This study aimed to investigate how FMNT can reshape the gut microbiota at a specific dosage and ameliorate the symptoms of obesity-related metabolic disorders in both genders. Results indicate that FMNT at 60 mg per kg bodyweight dosage can effectively control body weight, hyperglycemia, and insulin resistance, leptin levels and improve HDL to LDL ratio. FMNT treatment suppressed Porphyromonadaceae (Uncultured Alistipes) and augmented maximum genera from families Lachnospiraceae and Clostridiacea, but at species level, formononetin increased Clostridium aldenense, Clostridiaceae unclassified, Eubacterium plexicaum; acetate and butyrate-producing bacteria. Moreover, formononetin regulated the expression of specific liver miRNA involved in obesity and down-regulated mRNA expression levels of pro-inflammatory cytokines IL-6, IL-22 and TNF-α. Additionally, FMNT maintained intestinal membrane integrity by regulating the expression of Muc-2 and occludin. Our findings indicate that FMNT could be a potential prebiotic that can effectively regulate the gut microbiota, improve host metabolism and systemic inflammation, and prevent deleterious effects of a western-style diet by elevating acetate lactate and lactate butyrate producers.
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Affiliation(s)
- Mahrukh Naudhani
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China. .,Department of Microbiology, Balochistan University of Information Technology Engineering and management sciences, Quetta 87300, Pakistan
| | - Kiran Thakur
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China. .,Collaborative Innovation Center for Food Production and Safety, School of Biological Science and Engineering, North Minzu University, Yinchuan 750021, People's Republic of China.
| | - Zhi-Jing Ni
- Collaborative Innovation Center for Food Production and Safety, School of Biological Science and Engineering, North Minzu University, Yinchuan 750021, People's Republic of China.
| | - Jian-Guo Zhang
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China. .,Collaborative Innovation Center for Food Production and Safety, School of Biological Science and Engineering, North Minzu University, Yinchuan 750021, People's Republic of China.
| | - Zhao-Jun Wei
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China. .,Collaborative Innovation Center for Food Production and Safety, School of Biological Science and Engineering, North Minzu University, Yinchuan 750021, People's Republic of China.
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Zhang X, Wang D, Zheng Y, Tu Y, Xu Q, Jiang H, Li C, Zhao L, Li Y, Zheng H, Gao H. Sex-dependent effects on the gut microbiota and host metabolome in type 1 diabetic mice. Biochim Biophys Acta Mol Basis Dis 2021; 1867:166266. [PMID: 34481869 DOI: 10.1016/j.bbadis.2021.166266] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 08/29/2021] [Accepted: 08/31/2021] [Indexed: 01/04/2023]
Abstract
Sexual dimorphism exists in the onset and development of type 1 diabetes (T1D), but its potential pathological mechanism is poorly understood. In the present study, we examined sex-specific changes in the gut microbiome and host metabolome of T1D mice via 16S rRNA gene sequencing and nuclear magnetic resonance (NMR)-based metabolomics approach, and aimed to investigate potential mechanism of the gut microbiota-host metabolic interaction in the sexual dimorphism of T1D. Our results demonstrate that female mice had a greater shift in the gut microbiota than male mice during the development of T1D; however, host metabolome was more susceptible to T1D in male mice. The correlation network analysis indicates that T1D-induced host metabolic changes may be regulated by the gut microbiota in a sex-specific manner, mainly involving short-chain fatty acids (SCFAs) metabolism, energy metabolism, amino acid metabolism, and choline metabolism. Therefore, our study suggests that sex-dependent "gut microbiota-host metabolism axis" may be implicated in the sexual dimorphism of T1D, and the link between microbes and metabolites might contribute to the prevention and treatment of T1D.
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Affiliation(s)
- Xi Zhang
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325015, China; Institute of Metabonomics & Medical NMR, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China
| | - Die Wang
- Institute of Metabonomics & Medical NMR, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China
| | - Yafei Zheng
- Institute of Metabonomics & Medical NMR, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China
| | - Yingxin Tu
- Institute of Metabonomics & Medical NMR, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China
| | - Qingqing Xu
- Institute of Metabonomics & Medical NMR, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China
| | - Haowei Jiang
- Institute of Metabonomics & Medical NMR, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China
| | - Chen Li
- Institute of Metabonomics & Medical NMR, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China
| | - Liangcai Zhao
- Institute of Metabonomics & Medical NMR, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China
| | - Yuping Li
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325015, China
| | - Hong Zheng
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325015, China; Institute of Metabonomics & Medical NMR, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China.
| | - Hongchang Gao
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325015, China; Institute of Metabonomics & Medical NMR, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China.
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Yu K, Yu CG, Yin XQ, Wang ZW, Wang XB, Wang LL, Guo S, An YX, Zhao D. Metabolites of gut microbiome are associated with glucose metabolism in non-diabetic obese adults: a Chinese monozygotic twin study. Diabetol Metab Syndr 2021; 13:106. [PMID: 34627359 PMCID: PMC8501618 DOI: 10.1186/s13098-021-00724-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2021] [Accepted: 09/17/2021] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Evidence suggests gut microbiome is associated with diabetes. However, it's unclear whether the association remains in non-diabetic participants. A Chinese monozygotic twin study, in which the participants are without diabetes, and are not taking any medications, was conducted to explore the potential association. METHODS Nine pairs of adult monozygotic twins were enrolled and divided into two twin-pair groups (a and b). Clinical and laboratory measurements were conducted. Visceral adipose tissue (VAT) was assessed. Fecal samples were collected to analyze the microbiome composition by 16S rDNA gene amplicon sequencing. Liquid chromatography mass spectrometry was performed to detect the metabolites. RESULTS The participants aged 53 years old averagely, with 8 (88.9%) pairs were women. All the participants were obese with VAT higher than 100 cm2 (152.2 ± 31.6). There was no significant difference of VAT between the twin groups (153.6 ± 30.4 cm2 vs. 150.8 ± 29.5 cm2, p = 0.54). Other clinical measurements, including BMI, lipid profiles, fasting insulin and blood glucose, were also not significantly different between groups (p ≥ 0.056), whereas HbA1c level of group a is significantly higher than group b (5.8 ± 0.3% vs. 5.6 ± 0.2%, p = 0.008). The number and richness of OTUs are relatively higher in group a, and 13 metabolites were significantly different between two groups. Furthermore, several of the 13 metabolites could be significantly linked to special taxons. The potential pathway involved drug metabolism-other enzymes, Tryptophan metabolism and Citrate cycle. CONCLUSIONS Gut microbiome composition and their metabolites may modulate glucose metabolism in obese adults without diabetes, through Tryptophan metabolism, Citrate cycle and other pathways.
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Affiliation(s)
- Ke Yu
- Center for Endocrine Metabolism and Immune Diseases, Beijing Luhe Hospital, Capital Medical University, Beijing, 101149, China
- Beijing Key Laboratory of Diabetes Research and Care, Beijing, 101149, China
| | - Cai-Guo Yu
- Center for Endocrine Metabolism and Immune Diseases, Beijing Luhe Hospital, Capital Medical University, Beijing, 101149, China
- Beijing Key Laboratory of Diabetes Research and Care, Beijing, 101149, China
| | - Xing-Qi Yin
- Center for Endocrine Metabolism and Immune Diseases, Beijing Luhe Hospital, Capital Medical University, Beijing, 101149, China
- Beijing Key Laboratory of Diabetes Research and Care, Beijing, 101149, China
| | - Zong-Wei Wang
- Center for Endocrine Metabolism and Immune Diseases, Beijing Luhe Hospital, Capital Medical University, Beijing, 101149, China
- Beijing Key Laboratory of Diabetes Research and Care, Beijing, 101149, China
| | - Xiao-Bo Wang
- Center for Endocrine Metabolism and Immune Diseases, Beijing Luhe Hospital, Capital Medical University, Beijing, 101149, China
- Beijing Key Laboratory of Diabetes Research and Care, Beijing, 101149, China
| | - Li-Li Wang
- Center for Endocrine Metabolism and Immune Diseases, Beijing Luhe Hospital, Capital Medical University, Beijing, 101149, China
- Beijing Key Laboratory of Diabetes Research and Care, Beijing, 101149, China
| | - Shuang Guo
- Center for Endocrine Metabolism and Immune Diseases, Beijing Luhe Hospital, Capital Medical University, Beijing, 101149, China
- Beijing Key Laboratory of Diabetes Research and Care, Beijing, 101149, China
| | - Ya-Xin An
- Center for Endocrine Metabolism and Immune Diseases, Beijing Luhe Hospital, Capital Medical University, Beijing, 101149, China
- Beijing Key Laboratory of Diabetes Research and Care, Beijing, 101149, China
| | - Dong Zhao
- Center for Endocrine Metabolism and Immune Diseases, Beijing Luhe Hospital, Capital Medical University, Beijing, 101149, China.
- Beijing Key Laboratory of Diabetes Research and Care, Beijing, 101149, China.
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Ellis RJ, Iudicello JE, Heaton RK, Isnard S, Lin J, Routy JP, Gianella S, Hoenigl M, Knight R. Markers of Gut Barrier Function and Microbial Translocation Associate with Lower Gut Microbial Diversity in People with HIV. Viruses 2021; 13:1891. [PMID: 34696320 PMCID: PMC8537977 DOI: 10.3390/v13101891] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Revised: 09/14/2021] [Accepted: 09/18/2021] [Indexed: 12/14/2022] Open
Abstract
People with human immunodeficiency virus (HIV) (PWH) have reduced gut barrier integrity ("leaky gut") that permits diffusion of microbial antigens (microbial translocation) such as lipopolysaccharide (LPS) into the circulation, stimulating inflammation. A potential source of this disturbance, in addition to gut lymphoid tissue CD4+ T-cell depletion, is the interaction between the gut barrier and gut microbes themselves. We evaluated the relationship of gut barrier integrity, as indexed by plasma occludin levels (higher levels corresponding to greater loss of occludin from the gut barrier), to gut microbial diversity. PWH and people without HIV (PWoH) participants were recruited from community sources and provided stool, and 16S rRNA amplicon sequencing was used to characterize the gut microbiome. Microbial diversity was indexed by Faith's phylogenetic diversity (PD). Participants were 50 PWH and 52 PWoH individuals, mean ± SD age 45.6 ± 14.5 years, 28 (27.5%) women, 50 (49.0%) non-white race/ethnicity. PWH had higher gut microbial diversity (Faith's PD 14.2 ± 4.06 versus 11.7 ± 3.27; p = 0.0007), but occludin levels were not different (1.84 ± 0.311 versus 1.85 ± 0.274; p = 0.843). Lower gut microbial diversity was associated with higher plasma occludin levels in PWH (r = -0.251; p = 0.0111), but not in PWoH. A multivariable model demonstrated an interaction (p = 0.0459) such that the correlation between Faith's PD and plasma occludin held only for PWH (r = -0.434; p = 0.0017), but not for PWoH individuals (r = -0.0227; p = 0.873). The pattern was similar for Shannon alpha diversity. Antiretroviral treatment and viral suppression status were not associated with gut microbial diversity (ps > 0.10). Plasma occludin levels were not significantly related to age, sex or ethnicity, nor to current or nadir CD4 or plasma viral load. Higher occludin levels were associated with higher plasma sCD14 and LPS, both markers of microbial translocation. Together, the findings suggest that damage to the gut epithelial barrier is an important mediator of microbial translocation and inflammation in PWH, and that reduced gut microbiome diversity may have an important role.
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Affiliation(s)
- Ronald J. Ellis
- Departments of Neurosciences and Psychiatry, University of California, San Diego, CA 92093, USA
| | - Jennifer E. Iudicello
- Department of Psychiatry, University of California, San Diego, CA 92093, USA; (J.E.I.); (R.K.H.)
| | - Robert K. Heaton
- Department of Psychiatry, University of California, San Diego, CA 92093, USA; (J.E.I.); (R.K.H.)
| | - Stéphane Isnard
- Research Institute of the McGill University Health Centre, Montreal, QC H4A 3J1, Canada; (S.I.); (J.L.); (J.-P.R.)
| | - John Lin
- Research Institute of the McGill University Health Centre, Montreal, QC H4A 3J1, Canada; (S.I.); (J.L.); (J.-P.R.)
| | - Jean-Pierre Routy
- Research Institute of the McGill University Health Centre, Montreal, QC H4A 3J1, Canada; (S.I.); (J.L.); (J.-P.R.)
| | - Sara Gianella
- Department of Medicine, University of California, San Diego, CA 92093, USA; (S.G.); (M.H.)
| | - Martin Hoenigl
- Department of Medicine, University of California, San Diego, CA 92093, USA; (S.G.); (M.H.)
| | - Rob Knight
- Department of Pediatrics, University of California, San Diego, CA 92093, USA;
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Analyzing Type 2 Diabetes Associations with the Gut Microbiome in Individuals from Two Ethnic Backgrounds Living in the Same Geographic Area. Nutrients 2021; 13:nu13093289. [PMID: 34579166 PMCID: PMC8468640 DOI: 10.3390/nu13093289] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 09/08/2021] [Accepted: 09/17/2021] [Indexed: 12/19/2022] Open
Abstract
It is currently unknown whether associations between gut microbiota composition and type 2 diabetes (T2D) differ according to the ethnic background of individuals. Thus, we studied these associations in participants from two ethnicities characterized by a high T2D prevalence and living in the same geographical area, using the Healthy Life In Urban Settings (HELIUS) study. We included 111 and 128 T2D participants on metformin (Met-T2D), 78 and 49 treatment-naïve T2D (TN-T2D) participants, as well as a 1:1 matched group of healthy controls from, respectively, African Surinamese and South-Asian Surinamese descent. Fecal microbiome profiles were obtained through 16S rRNA gene sequencing. Univariate and machine learning analyses were used to explore the associations between T2D and the composition and function of the gut microbiome in both ethnicities, comparing Met-T2D and TN-T2D participants to their respective healthy control. We found a lower α-diversity for South-Asian Surinamese TN-T2D participants but no significant associations between TN-T2D status and the abundance of bacterial taxa or functional pathways. In African Surinamese participants, we did not find any association between TN-T2D status and the gut microbiome. With respect to Met-T2D participants, we identified several bacterial taxa and functional pathways with a significantly altered abundance in both ethnicities. More alterations were observed in South-Asian Surinamese. Some altered taxa and pathways observed in both ethnicities were previously related to metformin use. This included a strong negative association between the abundance of Romboutsia and Met-T2D status. Other bacterial taxa were consistent with previous observations in T2D, including reduced butyrate producers such as Anaerostipes hadrus. Hence, our results highlighted both shared and unique gut microbial biomarkers of Met-T2D in individuals from different ethnicities but living in the same geographical area. Future research using higher-resolution shotgun sequencing is needed to clarify the role of ethnicity in the association between T2D and gut microbiota composition.
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50
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Resende AS, Leite GSF, Lancha Junior AH. Changes in the Gut Bacteria Composition of Healthy Men with the Same Nutritional Profile Undergoing 10-Week Aerobic Exercise Training: A Randomized Controlled Trial. Nutrients 2021; 13:nu13082839. [PMID: 34444999 PMCID: PMC8398245 DOI: 10.3390/nu13082839] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 07/24/2021] [Accepted: 07/27/2021] [Indexed: 12/24/2022] Open
Abstract
Nutrient consumption and body mass index (BMI) are closely related to the gut microbiota, and exercise effects on gut bacteria composition may be related to those variables. Thus, we aimed to investigate the effect of 10-week moderate aerobic exercise on the cardiorespiratory fitness and gut bacteria composition of non-obese men with the same nutritional profile. Twenty-four previously sedentary men (age 25.18 [SD 4.66] years, BMI 24.5 [SD 3.72] kg/m2) were randomly assigned into Control (CG; n = 12) or Exercise Groups (EG; n = 12). Body composition, cardiorespiratory parameters, blood markers, dietary habits and gut bacteria composition were evaluated. EG performed 150 min per week of supervised moderate (60–65% of VO2peak) aerobic exercise, while CG maintained their daily routine. The V4 16S rRNA gene was sequenced and treated using QIIME software. Only EG demonstrated marked improvements in cardiorespiratory fitness (VO2peak, p < 0.05; Effect Size = 0.971) without changes in other gut bacteria-affecting variables. Exercise did not promote clustering based on diversity indices (p > 0.05), although significant variations in an unclassified genus from Clostridiales order and in Streptococcus genus were observed (p < 0.05). Moreover, α-diversity was correlated with VO2peak (Pearson’s R: 0.47; R2 0.23: 95%CI: 0.09 to 0.74, p = 0.02) and BMI (Pearson’s R: −0.50; R2 0.25: 95%CI: −0.75 to −0.12, p = 0.01). Roseburia, Sutterella and Odoribacter genera were associated with VO2peak, while Desulfovibrio and Faecalibacterium genera were associated with body composition (p < 0.05). Our study indicates that aerobic exercise at moderate intensity improved VO2peak and affected gut bacteria composition of non-obese men who maintained a balanced consumption of nutrients.
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Affiliation(s)
- Ayane S. Resende
- Health Sciences Graduate Program, Federal University of Sergipe, São Cristovão 49100-000, SE, Brazil
- Correspondence: ; Tel.: +55-11-3061-7474
| | - Geovana S. F. Leite
- Laboratory of Nutrition and Metabolism Applied to Motor Activity, School of Physical Education and Sports, University of Sao Paulo, São Paulo 05508-030, SP, Brazil;
| | - Antonio H. Lancha Junior
- Laboratory of Clinical Investigation: Experimental Surgery (LIM/26), Clinics’ Hospital of Medical School, University of Sao Paulo, São Paulo 01246-903, SP, Brazil;
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