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Guo J, Jia P, Gu Z, Tang W, Wang A, Sun Y, Li Z. Altered gut microbiota and metabolite profiles provide clues in understanding resistant hypertension. J Hypertens 2024; 42:1212-1225. [PMID: 38690877 DOI: 10.1097/hjh.0000000000003716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/03/2024]
Abstract
BACKGROUND Resistant hypertension is a severe phenotype in hypertension that may be driven by interactions between genetic and environmental factors. Specific changes in gut microbiota and metabolites have been shown to influence cardiovascular disease progression. However, microbial and metabolomic changes associated with resistant hypertension remain elusive. METHODS In this study, the gut microbiome of 30 participants with resistant hypertension, 30 with controlled hypertension, and 30 nonhypertension was characterized using 16S rRNA amplicon sequencing. In addition, the serum metabolome of the same population was assessed by untargeted metabolomics. RESULTS The alpha diversity of microbiome in the resistant hypertension decreased, and changes were also observed in the composition of the gut microbiota. The resistant hypertension group was characterized by elevated levels of Actinobacteitia and Proteobacteria. Twenty-three genera were found to have significantly different abundances between resistant hypertension and controlled hypertension, as well as 55 genera with significantly different abundances between resistant hypertension and nonhypertension. Compared with the controlled hypertension group, the genera Rothia and Sharpea in resistant hypertension were more abundant. Compared with the nonhypertension group, the genera Escherichia-Shigella , Lactobacillus , Enterococcus were more abundant. Untargeted metabolomics provided distinctly different serum metabolic profiles for the three groups and identified a range of differential metabolites. These metabolites were mainly associated with the pathway of glycerophospholipid metabolism. Furthermore, correlation analysis provided evidence of new interactions between gut microbiota and metabolites in the resistant hypertension. CONCLUSION In conclusion, our study provides a comprehensive understanding of the resistant hypertension gut microbiota and metabolites, suggesting that treatment resistance in resistant hypertension patients may be related to the gut microbiota and serum metabolites.
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Affiliation(s)
- Jiuqi Guo
- Department of Cardiology, the First Hospital of China Medical University, Shenyang
| | - Pengyu Jia
- Department of Cardiology, the First Hospital of China Medical University, Shenyang
| | - Zhilin Gu
- Department of Cardiology, the First Hospital of China Medical University, Shenyang
| | - Wenyi Tang
- Department of Cardiology, the First Hospital of China Medical University, Shenyang
| | - Ai Wang
- Department of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yingxian Sun
- Department of Cardiology, the First Hospital of China Medical University, Shenyang
| | - Zhao Li
- Department of Cardiology, the First Hospital of China Medical University, Shenyang
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Han A, Yang M, Chen B, Cao G, Xu J, Meng T, Liu Y, Wang Z, Zhou Y, Xu N, Han W, Sun H, Mei Q, Zhu L, Xiong M. Microbiome and its relevance to indigenous inflammatory bowel diseases in China. Gene 2024; 909:148257. [PMID: 38367851 DOI: 10.1016/j.gene.2024.148257] [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: 11/24/2023] [Revised: 01/26/2024] [Accepted: 02/05/2024] [Indexed: 02/19/2024]
Abstract
BACKGROUND Inflammatory Bowel Disease (IBD) is a chronic inflammatory disorder of the gastrointestinal tract with an unknown etiology. Although dysbiosis is implicated in its pathogenesis, deep sequencing and oral microbiota study in Chinese IBD patients is absent. AIM To explore the role of oral / intestinal microbiota in patients with IBD and the potential associations therein. METHODS Clinical data, fecal and saliva samples were harvested from 80 patients with IBD (Crohn's disease, CD, n = 69; Ulcerative colitis, UC, n = 11) and 24 normal controls. Microbiomics (16S rRNA sequencing and 16S rRNA full-length sequencing) were used to detect and analyze the difference between IBD patients and normal control. RESULTS Compared with normal controls, a higher abundance of the intestinal Shigella spp. (Shigella flexneri and Shigella sonnei, which were positively relate to the severity of IBD), lower abundance of intestinal probiotics (Prevotella, Faecalibacterium and Roseburia), and higher abundance of oral Neisseria were present in IBD patients with microbiome. The higher inflammation-related markers, impaired hepatic and renal function, and dyslipidaemia were present in patients with IBD. A higher intake of red meat and increased abundance of Clostridium in the gut were found in CD patients, while the elevated abundance of Ruminococcus in the gut was showed in UC ones. The bacterial composition of saliva and fecal samples was completely different, yet there was some correlation in the distribution of dominant probiotics. CONCLUSION Enteric dysbacteriosis and the infections of pathogenic bacteria (Shigella) may associate with the occurrence or development of IBD.
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Affiliation(s)
- Anqi Han
- Department of General Surgery, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, PR China
| | - Mingya Yang
- Department of Haematology, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, PR China
| | - Bo Chen
- Department of General Surgery, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, PR China
| | - Guodong Cao
- Department of General Surgery, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, PR China
| | - Junrui Xu
- Department of Thoracic Surgery, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, PR China
| | - Tao Meng
- Department of General Surgery, The Third Affiliated Hospital of Anhui Medical University, Hefei 230022, PR China
| | - Yu Liu
- Department of General Surgery, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, PR China
| | - Zhenzhen Wang
- Department of General Surgery, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, PR China
| | - Yangliu Zhou
- Department of General Surgery, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, PR China
| | - Na Xu
- Department of General Surgery, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, PR China
| | - Wei Han
- Department of Gastroenterology, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, PR China
| | - Haiyi Sun
- Clinical Medical Collage, Anhui Medical University, Hefei 230020, PR China
| | - Qiao Mei
- Department of Gastroenterology, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, PR China.
| | - Lixin Zhu
- Department of General Surgery, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, PR China.
| | - Maoming Xiong
- Department of General Surgery, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, PR China.
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Sidorova YS, Petrov NA, Markova YM, Kolobanov AI, Zorin SN. The Influence of a High-Cholesterol Diet and Forced Training on Lipid Metabolism and Intestinal Microbiota in Male Wistar Rats. Int J Mol Sci 2024; 25:5383. [PMID: 38791421 PMCID: PMC11121228 DOI: 10.3390/ijms25105383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2024] [Revised: 05/06/2024] [Accepted: 05/13/2024] [Indexed: 05/26/2024] Open
Abstract
Adequate experimental animal models play an important role in an objective assessment of the effectiveness of medicines and functional foods enriched with biologically active substances. The aim of our study was a comparative assessment of the effect of consumption of 1 or 2% cholesterol with and without regular (two times a week), moderate running exercise on the main biomarkers of lipid and cholesterol metabolism, as well as the intestinal microbiota of male Wistar rats. In experimental rats, a response of 39 indicators (body weight, food consumption, serum biomarkers, liver composition, and changes in intestinal microbiota) was revealed. Total serum cholesterol level increased 1.8 times in animals consuming cholesterol with a simultaneous increase in low-density lipoprotein cholesterol (2 times) and decrease in high-density lipoprotein cholesterol (1.3 times) levels compared to the control animals. These animals had 1.3 times increased liver weight, almost 5 times increased triglycerides level, and more than 6 times increased cholesterol content. There was a tendency towards a decrease in triglycerides levels against the background of running exercise. The consumption of cholesterol led to a predominance of the Bacteroides family, due to a decrease in F. prausnitzii (1.2 times) and bifidobacteria (1.3 times), as well as an increase in Escherichia family (1.2 times). The running exercise did not lead to the complete normalization of microbiota.
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Affiliation(s)
- Yuliya S. Sidorova
- Federal Research Centre of Nutrition and Biotechnology, 109240 Moscow, Russia; (N.A.P.); (Y.M.M.); (A.I.K.); (S.N.Z.)
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Liu Y, Yu J, Yang Y, Han B, Wang Q, Du S. Investigating the causal relationship of gut microbiota with GERD and BE: a bidirectional mendelian randomization. BMC Genomics 2024; 25:471. [PMID: 38745153 PMCID: PMC11092028 DOI: 10.1186/s12864-024-10377-0] [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: 01/02/2024] [Accepted: 05/06/2024] [Indexed: 05/16/2024] Open
Abstract
BACKGROUND Gut microbiota(GM) have been proven associated with lots of gastrointestinal diseases, but its causal relationship with Gastroesophageal reflux disease(GERD) and Barrett's esophagus(BE) hasn't been explored. We aimed to uncover the causal relation between GM and GERD/BE and potential mediators by utilizing Mendelian Randomization(MR) analysis. METHODS Summary statistics of GM(comprising 301 bacteria taxa and 205 metabolism pathways) were extracted from MiBioGen Consortium(N = 18,340) and Dutch Microbiome Project(N = 7,738), GERD and BE from a multitrait meta-analysis(NGERD=602,604, NBE=56,429). Bidirectional two-sample MR analysis and linkage disequilibrium score regression(LDSC) were used to explore the genetic correlation between GM and GERD/BE. Mediation MR analysis was performed for the risk factors of GERD/BE, including Body mass index(BMI), weight, type 2 diabetes, major depressive disorder(MDD), smoking initiation, alcohol consumption, and dietary intake(including carbohydrate, sugar, fat, protein intake), to detect the potential mediators between GM and GERD/BE. RESULTS 11 bacterial taxa and 13 metabolism pathways were found associated with GERD, and 18 taxa and 5 pathways exhibited causal relationship with BE. Mediation MR analysis suggested weight and BMI played a crucial role in these relationships. LDSC identified 1 taxon and 4 metabolism pathways related to GERD, and 1 taxon related to BE. Specie Faecalibacterium prausnitzii had a suggestive impact on both GERD(OR = 1.087, 95%CI = 1.01-1.17) and BE(OR = 1.388, 95%CI = 1.03-1.86) and LDSC had determined their correlation. Reverse MR indicated that BE impacted 10 taxa and 4 pathways. CONCLUSIONS This study established a causal link between gut microbiota and GERD/BE, and identified the probable mediators. It offers new insights into the role of gut microbiota in the development and progression of GERD and BE in the host.
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Affiliation(s)
- Yuan Liu
- Graduate School of Beijing, University of Chinese Medicine, Beijing, China
- Department of Gastroenterology, China-Japan Friendship Hospital, Beijing, China
| | - Jiali Yu
- Department of Gastroenterology, Chinese Academy of Medical Sciences & Peking Union Medical College, China-Japan Friendship Hospital(Institute of Clinical Medical Sciences), Beijing, China
- Department of Gastroenterology, China-Japan Friendship Hospital, Beijing, China
| | - Yuxiao Yang
- Department of Gastroenterology, Peking University China-Japan Friendship School of Clinical Medicine, Beijing, China
- Department of Gastroenterology, China-Japan Friendship Hospital, Beijing, China
| | - Bingyu Han
- Graduate School of Beijing, University of Chinese Medicine, Beijing, China
- Department of Gastroenterology, China-Japan Friendship Hospital, Beijing, China
| | - Qiao Wang
- Graduate School of Beijing, University of Chinese Medicine, Beijing, China
- Department of Traditional Chinese Medicine for Pulmonary Diseases, China-Japan Friendship Hospital, Beijing, China
| | - Shiyu Du
- Department of Gastroenterology, China-Japan Friendship Hospital, Beijing, China.
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Li F, Chen X, Xu X, Wang L, Yan J, Yu Y, Shan X, Zhang R, Xing H, Zhang T, Pan S. Alterations of intestinal mucosal barrier, cecal microbiota diversity, composition, and metabolites of yellow-feathered broilers under chronic corticosterone-induced stress: a possible mechanism underlying the anti-growth performance and glycolipid metabolism disorder. Microbiol Spectr 2024; 12:e0347323. [PMID: 38497712 PMCID: PMC11064513 DOI: 10.1128/spectrum.03473-23] [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: 09/23/2023] [Accepted: 02/25/2024] [Indexed: 03/19/2024] Open
Abstract
This study aimed to explore alterations in growth performance, glycolipid metabolism disorders, intestinal mucosal barrier, cecal microbiota community, and metabolites in a chronic corticosterone (CORT)-induced stress (CCIS) broiler model. Results showed that compared with control (CON) broilers, in CCIS broilers: (i) the final body weight (BW), BW gain, and average daily gain were significantly reduced. (ii) The glycolipid metabolism disorder and impairement of intestinal immune barrier and physical barrier function were observed. (iii) Diversity and richness of cecal microbiota were obviously increased. From phylum to genus level, the abundances of Firmicutes and Faecalibacterium were significantly decreased, while the abundances of Proteobacteria, RuminococcaceaeUCG-005, and Escherichia coli (Shigella) were significantly increased. Microbial network analysis and function pathways prediction showed that cecal microbiota was mainly concentrated in translation, metabolism, nucleotide metabolism, and endocrine system. (iv) The main differential metabolites identified include steroids and their derivatives, amino acids, fatty acids, and carbohydrates; among which 37 metabolites were significantly upregulated, while 27 metabolites were significantly downregulated. These differential metabolites were mainly enriched in pathways related to steroid hormone biosynthesis and tyrosine metabolism. (v) Correlation between cecal microbiota and glycolipid metabolism indexes showed that BW and total cholesterol (TC) were positively correlated with Christensenellaceae_R.7_group and Escherichia_Shigella, respectively. Furthermore, the downregulated Faecalibacterium and Christensenellaceae were negatively correlated with the upregulated differentially expressed metabolites. These findings suggested that CCIS altered cecal microbiota composition and metabolites, which led to glycolipid metabolism disorder and impaired the nutritional metabolism and immune homeostasis, providing a theoretical basis for efforts to eliminate the harm of chronic stress to human health and animal production. IMPORTANCE The study aimed to determine the influence of altered intestinal mucosal barrier, cecum flora community, and metabolites on anti-growth performance, glycolipid metabolism disorders of chronic corticosterone (CORT)-induced stress (CCIS) broilers. Compared with control (CON) broilers, in CCIS broilers: (i) anti-growth performance, glycolipid metabolism disorder, and impaired intestinal immune barrier and physical barrier function were observed. (ii) From phylum to genus level, the abundances of Firmicutes and Faecalibacterium were decreased; whereas, the abundances of Proteobacteria, RuminococcaceaeUCG-005, and Escherichia coli (Shigella) were increased. (iii) Differential metabolites in cecum were mainly enriched in steroid hormone biosynthesis and tyrosine metabolism. (iv) Body weight (BW) and total cholesterol (TC) were positively correlated with Christensenellaceae_R.7_group and Escherichia_Shigella, respectively, while downregulated Faecalibacterium and Christensenellaceae were negatively correlated with upregulated metabolites. Our findings suggest that CCIS induces anti-growth performance and glycolipid metabolism disorder by altering cecum flora and metabolites, providing a theoretical basis for efforts to eliminate the effect of chronic stress on human health and animal production.
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Affiliation(s)
- Fei Li
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, China
| | - Xinyu Chen
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, China
| | - Xingyu Xu
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, China
| | - Lijun Wang
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, China
| | - Jie Yan
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, China
| | - Yichen Yu
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, China
| | - Xuemei Shan
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, China
| | - Rui Zhang
- Meat Processing Key Laboratory of Sichuan Province, Chengdu University, Chengdu, Sichuan, China
| | - Hua Xing
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, China
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, Jiangsu, China
| | - Tangjie Zhang
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, China
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, Jiangsu, China
| | - Shifeng Pan
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, China
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, Jiangsu, China
- Department of Animal Science, Washington State University, Pullman, Washington, USA
- Guangling College, Yangzhou University, Yangzhou, Jiangsu, China
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Schwenger KJP, Sharma D, Ghorbani Y, Xu W, Lou W, Comelli EM, Fischer SE, Jackson TD, Okrainec A, Allard JP. Links between gut microbiome, metabolome, clinical variables and non-alcoholic fatty liver disease severity in bariatric patients. Liver Int 2024; 44:1176-1188. [PMID: 38353022 DOI: 10.1111/liv.15864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 01/25/2024] [Accepted: 01/28/2024] [Indexed: 04/19/2024]
Abstract
BACKGROUND AND AIMS Bacterial species and microbial pathways along with metabolites and clinical parameters may interact to contribute to non-alcoholic fatty liver disease (NAFLD) and disease severity. We used integrated machine learning models and a cross-validation approach to assess this interaction in bariatric patients. METHODS 113 patients undergoing bariatric surgery had clinical and biochemical parameters, blood and stool metabolite measurements as well as faecal shotgun metagenome sequencing to profile the intestinal microbiome. Liver histology was classified as normal liver obese (NLO; n = 30), simple steatosis (SS; n = 41) or non-alcoholic steatohepatitis (NASH; n = 42); fibrosis was graded F0 to F4. RESULTS We found that those with NASH versus NLO had an increase in potentially harmful E. coli, a reduction of potentially beneficial Alistipes putredinis and an increase in ALT and AST. There was higher serum glucose, faecal 3-(3-hydroxyphenyl)-3-hydroxypropionic acid and faecal cholic acid and lower serum glycerophospholipids. In NAFLD, those with severe fibrosis (F3-F4) versus F0 had lower abundance of anti-inflammatory species (Eubacterium ventriosum, Alistipes finegoldii and Bacteroides dorei) and higher AST, serum glucose, faecal acylcarnitines, serum isoleucine and homocysteine as well as lower serum glycerophospholipids. Pathways involved with amino acid biosynthesis and degradation were significantly more represented in those with NASH compared to NLO, with severe fibrosis having an overall stronger significant association with Superpathway of menaquinol-10 biosynthesis and Peptidoglycan biosynthesis IV. CONCLUSIONS In bariatric patients, NASH and severe fibrosis were associated with specific bacterial species, metabolic pathways and metabolites that may contribute to NAFLD pathogenesis and disease severity.
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Affiliation(s)
| | - Divya Sharma
- Toronto General Hospital, University Health Network, Toronto, Ontario, Canada
- Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada
| | - Yasaman Ghorbani
- Toronto General Hospital, University Health Network, Toronto, Ontario, Canada
- Institute of Medical Science, University of Toronto, Toronto, Ontario, Canada
| | - Wei Xu
- Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada
- Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
| | - Wendy Lou
- Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
| | - Elena M Comelli
- Department of Nutritional Sciences, University of Toronto, Toronto, Ontario, Canada
| | - Sandra E Fischer
- Toronto General Hospital, University Health Network, Toronto, Ontario, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada
| | - Timothy D Jackson
- Division of General Surgery, University of Toronto, Toronto, Ontario, Canada
- Division of General Surgery, Toronto Western Hospital, University Health Network, Toronto, Ontario, Canada
| | - Allan Okrainec
- Division of General Surgery, University of Toronto, Toronto, Ontario, Canada
- Division of General Surgery, Toronto Western Hospital, University Health Network, Toronto, Ontario, Canada
| | - Johane P Allard
- Toronto General Hospital, University Health Network, Toronto, Ontario, Canada
- Department of Nutritional Sciences, University of Toronto, Toronto, Ontario, Canada
- Department of Medicine, University of Toronto, Toronto, Ontario, Canada
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Eickhardt-Dalbøge CS, Nielsen HV, Fuursted K, Stensvold CR, Andersen LOB, Lilje B, Larsen MK, Kjær L, Christensen SF, Knudsen TA, Skov V, Sørensen AL, Ellervik C, Olsen LR, Christensen JJE, Nielsen XC, Hasselbalch HC, Ingham AC. JAK2V617F drives gut microbiota differences in patients with myeloproliferative neoplasms. Eur J Haematol 2024; 112:776-787. [PMID: 38226781 DOI: 10.1111/ejh.14169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 12/22/2023] [Accepted: 12/27/2023] [Indexed: 01/17/2024]
Abstract
BACKGROUND Essential thrombocythemia (ET), polycythemia vera (PV), and primary myelofibrosis (MF) are myeloproliferative neoplasms (MPN). Inflammation is involved in the initiation, progression, and symptomology of the diseases. The gut microbiota impacts the immune system, infection control, and steady-state hematopoiesis. METHODS We analyzed the gut microbiota of 227 MPN patients and healthy controls (HCs) using next-generation sequencing. We expanded our previous results in PV and ET patients with additional PV, pre-MF, and MF patients which allowed us to compare MPN patients collectively, MPN sub-diagnoses, and MPN mutations (separately and combined) vs. HCs (N = 42) and compare within MPN sub-diagnoses and MPN mutation. RESULTS MPN patients had a higher observed richness (median, 245 [range, 49-659]) compared with HCs (191.5 [range, 111-300; p = .003]) and a lower relative abundance of taxa within the Firmicutes phylum; for example, Faecalibacterium (6% vs. 14%, p < .001). The microbiota of CALR-positive patients (N = 30) resembled that of HCs more than that of patients with JAK2V617F (N = 177). In JAK2V617F-positive patients, only minor differences in the gut microbiota were observed between MPN sub-diagnoses, illustrating the importance of this mutation. CONCLUSION The gut microbiota in MPN patients differs from HCs and is driven by JAK2V617F, whereas the gut microbiota in CALR patients resembles HCs more.
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Affiliation(s)
- Christina Schjellerup Eickhardt-Dalbøge
- The Regional Department of Clinical Microbiology, University Hospital of Region Zealand, Slagelse, Denmark
- Department of Hematology, Zealand University Hospital, Roskilde, Denmark
- Department of Bacteria, Parasites & Fungi, Statens Serum Institut, Copenhagen, Denmark
| | - Henrik V Nielsen
- Department of Bacteria, Parasites & Fungi, Statens Serum Institut, Copenhagen, Denmark
| | - Kurt Fuursted
- Department of Bacteria, Parasites & Fungi, Statens Serum Institut, Copenhagen, Denmark
| | | | - Lee O' Brien Andersen
- Department of Bacteria, Parasites & Fungi, Statens Serum Institut, Copenhagen, Denmark
| | - Berit Lilje
- Department of Bacteria, Parasites & Fungi, Statens Serum Institut, Copenhagen, Denmark
| | - Morten Kranker Larsen
- Department of Hematology, Zealand University Hospital, Roskilde, Denmark
- Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Lasse Kjær
- Department of Hematology, Zealand University Hospital, Roskilde, Denmark
| | | | - Trine Alma Knudsen
- Department of Hematology, Zealand University Hospital, Roskilde, Denmark
| | - Vibe Skov
- Department of Hematology, Zealand University Hospital, Roskilde, Denmark
| | | | - Christina Ellervik
- Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
- Department of Pathology, Harvard Medical School, Boston, Massachusetts, USA
- Department of Data and Data Support, Region Zealand, Sorø, Denmark
| | - Lars Rønn Olsen
- Department of Health Technology, Technical University of Denmark, Lyngby, Denmark
| | - Jens Jørgen Elmer Christensen
- The Regional Department of Clinical Microbiology, University Hospital of Region Zealand, Slagelse, Denmark
- Institute of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Xiaohui Chen Nielsen
- The Regional Department of Clinical Microbiology, University Hospital of Region Zealand, Slagelse, Denmark
| | - Hans Carl Hasselbalch
- Department of Hematology, Zealand University Hospital, Roskilde, Denmark
- Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Anna Cäcilia Ingham
- Department of Bacteria, Parasites & Fungi, Statens Serum Institut, Copenhagen, Denmark
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8
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Abolhasani FS, Moein M, Rezaie N, Sheikhimehrabadi P, Shafiei M, Afkhami H, Modaresi M. Occurrence of COVID-19 in cystic fibrosis patients: a review. Front Microbiol 2024; 15:1356926. [PMID: 38694803 PMCID: PMC11061495 DOI: 10.3389/fmicb.2024.1356926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2023] [Accepted: 03/11/2024] [Indexed: 05/04/2024] Open
Abstract
Cystic fibrosis (CF) is a genetic ailment caused by mutations in the cystic fibrosis transmembrane conductance regulator (CFTR) gene. This autosomal recessive disorder is characterized by diverse pathobiological abnormalities, such as the disorder of CFTR channels in mucosal surfaces, caused by inadequate clearance of mucus and sputum, in addition to the malfunctioning of mucous organs. However, the primary motive of mortality in CF patients is pulmonary failure, which is attributed to the colonization of opportunistic microorganisms, formation of resistant biofilms, and a subsequent decline in lung characteristics. In December 2019, the World Health Organization (WHO) declared the outbreak of the radical coronavirus disease 2019 (COVID-19) as a worldwide public health crisis, which unexpectedly spread not only within China but also globally. Given that the respiration system is the primary target of the COVID-19 virus, it is crucial to investigate the impact of COVID-19 on the pathogenesis and mortality of CF patients, mainly in the context of acute respiratory distress syndrome (ARDS). Therefore, the goal of this review is to comprehensively review the present literature on the relationship between cystic fibrosis, COVID-19 contamination, and development of ARDS. Several investigations performed during the early stages of the virus outbreak have discovered unexpected findings regarding the occurrence and effectiveness of COVID-19 in individuals with CF. Contrary to initial expectancies, the rate of infection and the effectiveness of the virus in CF patients are lower than those in the overall population. This finding may be attributed to different factors, including the presence of thick mucus, social avoidance, using remedies that include azithromycin, the fairly younger age of CF patients, decreased presence of ACE-2 receptors, and the effect of CFTR channel disorder on the replication cycle and infectivity of the virus. However, it is important to notice that certain situations, which include undergoing a transplant, can also doubtlessly boost the susceptibility of CF patients to COVID-19. Furthermore, with an increase in age in CF patients, it is vital to take into account the prevalence of the SARS-CoV-2 virus in this population. Therefore, ordinary surveillance of CF patients is vital to evaluate and save the population from the capability of transmission of the virus given the various factors that contribute to the spread of the SARS-CoV-2 outbreak in this precise organization.
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Affiliation(s)
- Fatemeh Sadat Abolhasani
- Department of Pathobiology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Masood Moein
- Department of Bacteriology and Virology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Niloofar Rezaie
- Department of Bacteriology, Pasteur Institute of Iran, Tehran, Iran
| | | | - Morvarid Shafiei
- Department of Bacteriology, Pasteur Institute of Iran, Tehran, Iran
| | - Hamed Afkhami
- Nervous System Stem Cells Research Center, Semnan University of Medical Sciences, Semnan, Iran
- Department of Medical Microbiology, School of Medicine, Shahed University, Tehran, Iran
| | - Mohammadreza Modaresi
- Pediatric Pulmonary Disease and Sleep Medicine Research Center, Pediatric Center of Excellence, Children's Medical Center, Tehran, Iran
- Cystic Fibrosis Research Center, Iran CF Foundation (ICFF), Tehran, Iran
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9
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Marrella V, Nicchiotti F, Cassani B. Microbiota and Immunity during Respiratory Infections: Lung and Gut Affair. Int J Mol Sci 2024; 25:4051. [PMID: 38612860 PMCID: PMC11012346 DOI: 10.3390/ijms25074051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Revised: 03/29/2024] [Accepted: 04/02/2024] [Indexed: 04/14/2024] Open
Abstract
Bacterial and viral respiratory tract infections are the most common infectious diseases, leading to worldwide morbidity and mortality. In the past 10 years, the importance of lung microbiota emerged in the context of pulmonary diseases, although the mechanisms by which it impacts the intestinal environment have not yet been fully identified. On the contrary, gut microbial dysbiosis is associated with disease etiology or/and development in the lung. In this review, we present an overview of the lung microbiome modifications occurring during respiratory infections, namely, reduced community diversity and increased microbial burden, and of the downstream consequences on host-pathogen interaction, inflammatory signals, and cytokines production, in turn affecting the disease progression and outcome. Particularly, we focus on the role of the gut-lung bidirectional communication in shaping inflammation and immunity in this context, resuming both animal and human studies. Moreover, we discuss the challenges and possibilities related to novel microbial-based (probiotics and dietary supplementation) and microbial-targeted therapies (antibacterial monoclonal antibodies and bacteriophages), aimed to remodel the composition of resident microbial communities and restore health. Finally, we propose an outlook of some relevant questions in the field to be answered with future research, which may have translational relevance for the prevention and control of respiratory infections.
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Affiliation(s)
- Veronica Marrella
- UOS Milan Unit, Istituto di Ricerca Genetica e Biomedica (IRGB), CNR, 20138 Milan, Italy;
- IRCCS Humanitas Research Hospital, 20089 Milan, Italy
| | - Federico Nicchiotti
- Department of Medical Biotechnologies and Translational Medicine, Università degli Studi di Milano, 20089 Milan, Italy;
| | - Barbara Cassani
- IRCCS Humanitas Research Hospital, 20089 Milan, Italy
- Department of Medical Biotechnologies and Translational Medicine, Università degli Studi di Milano, 20089 Milan, Italy;
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10
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Surono IS, Popov I, Verbruggen S, Verhoeven J, Kusumo PD, Venema K. Gut microbiota differences in stunted and normal-lenght children aged 36-45 months in East Nusa Tenggara, Indonesia. PLoS One 2024; 19:e0299349. [PMID: 38551926 PMCID: PMC10980242 DOI: 10.1371/journal.pone.0299349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2023] [Accepted: 02/06/2024] [Indexed: 04/01/2024] Open
Abstract
The role of the gut microbiota in energy metabolism of the host has been established, both in overweight/obesity, as well as in undernutrition/stunting. Dysbiosis of the gut microbiota may predispose to stunting. The aim of this study was to compare the gut microbiota composition of stunted Indonesian children and non-stunted children between 36 and 45 months from two sites on the East Nusa Tenggara (ENT) islands. Fecal samples were collected from 100 stunted children and 100 non-stunted children in Kupang and North Kodi. The gut microbiota composition was determined by sequencing amplicons of the V3-V4 region of the 16S rRNA gene. Moreover, fecal SCFA concentrations were analyzed. The microbiota composition was correlated to anthropometric parameters and fecal metabolites. The phyla Bacteroidetes (Bacteroidota; q = 0.014) and Cyanobacteria (q = 0.049) were significantly higher in stunted children. Three taxa at genus levels were consistently significantly higher in stunted children at both sampling sites, namely Lachnoclostridium, Faecalibacterium and Veillonella (q < 7 * 10-4). These and 9 other taxa positively correlated to the z-score length-for-age (zlen), while 11 taxa negatively correlated with zlen. Several taxa also correlated with sanitary parameters, some of which were also significantly different between the two groups. All three fecal SCFA concentrations (acetate, propionate and butyrate) and their total were lower in stunted children compared to non-stunted children, although not significant for butyrate, indicating lower energy-extraction by the gut microbiota. Also, since SCFA have been shown to be involved in gut barrier function, barrier integrity may be affected in the stunted children. It remains to be seen if the three taxa are involved in stunting, or are changed due to e.g. differences in diet, hygiene status, or other factors. The observed differences in this study do not agree with our previous observations in children on Java, Indonesia. There are differences in infrastructure facilities such as clean water and sanitation on ENT and Java, which may contribute to the differences observed. The role of the gut microbiota in stunting therefore requires more in depth studies. Trial registration: the trial was registered at ClinicalTrials.gov with identifier number NCT05119218.
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Affiliation(s)
- Ingrid S. Surono
- Faculty of Engineering, Food Technology Department, Bina Nusantara University, Jakarta, Indonesia
| | - Ilia Popov
- Faculty of Engineering, Food Technology Department, Bina Nusantara University, Jakarta, Indonesia
| | - Sanne Verbruggen
- Centre for Healthy Eating & Food Innovation, Maastricht University—Campus Venlo, Venlo, The Netherlands
| | - Jessica Verhoeven
- Centre for Healthy Eating & Food Innovation, Maastricht University—Campus Venlo, Venlo, The Netherlands
| | - Pratiwi D. Kusumo
- Faculty of Medicine, Universitas Kristen Indonesia, Jakarta, Indonesia
| | - Koen Venema
- Centre for Healthy Eating & Food Innovation, Maastricht University—Campus Venlo, Venlo, The Netherlands
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11
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Watai K, Suda W, Kurokawa R, Sekiya K, Hayashi H, Iwata M, Nagayama K, Nakamura Y, Hamada Y, Kamide Y, Fukutomi Y, Nakabayashi T, Tanaka K, Kamita M, Taniguchi M, Hattori M. Metagenomic gut microbiome analysis of Japanese patients with multiple chemical sensitivity/idiopathic environmental intolerance. BMC Microbiol 2024; 24:84. [PMID: 38468206 PMCID: PMC10926566 DOI: 10.1186/s12866-024-03239-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Accepted: 02/26/2024] [Indexed: 03/13/2024] Open
Abstract
BACKGROUND Although the pathology of multiple chemical sensitivity (MCS) is unknown, the central nervous system is reportedly involved. The gut microbiota is important in modifying central nervous system diseases. However, the relationship between the gut microbiota and MCS remains unclear. This study aimed to identify gut microbiota variations associated with MCS using shotgun metagenomic sequencing of fecal samples. METHODS We prospectively recruited 30 consecutive Japanese female patients with MCS and analyzed their gut microbiomes using shotgun metagenomic sequencing. The data were compared with metagenomic data obtained from 24 age- and sex-matched Japanese healthy controls (HC). RESULTS We observed no significant difference in alpha and beta diversity of the gut microbiota between the MCS patients and HC. Focusing on the important changes in the literatures, at the genus level, Streptococcus, Veillonella, and Akkermansia were significantly more abundant in MCS patients than in HC (p < 0.01, p < 0.01, p = 0.01, respectively, fold change = 4.03, 1.53, 2.86, respectively). At the species level, Akkermansia muciniphila was significantly more abundant (p = 0.02, fold change = 3.3) and Faecalibacterium prausnitzii significantly less abundant in MCS patients than in HC (p = 0.03, fold change = 0.53). Functional analysis revealed that xylene and dioxin degradation pathways were significantly enriched (p < 0.01, p = 0.01, respectively, fold change = 1.54, 1.46, respectively), whereas pathways involved in amino acid metabolism and synthesis were significantly depleted in MCS (p < 0.01, fold change = 0.96). Pathways related to antimicrobial resistance, including the two-component system and cationic antimicrobial peptide resistance, were also significantly enriched in MCS (p < 0.01, p < 0.01, respectively, fold change = 1.1, 1.2, respectively). CONCLUSIONS The gut microbiota of patients with MCS shows dysbiosis and alterations in bacterial functions related to exogenous chemicals and amino acid metabolism and synthesis. These findings may contribute to the further development of treatment for MCS. TRIAL REGISTRATION This study was registered with the University Hospital Medical Information Clinical Trials Registry as UMIN000031031. The date of first trial registration: 28/01/2018.
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Affiliation(s)
- Kentaro Watai
- Center for Immunology and Allergy, Shonan Kamakura General Hospital, 1370-1 Okamoto, Kamakura, Kanagawa, 247-8533, Japan.
- Clinical Research Center for Allergy and Rheumatology, NHO Sagamihara National Hospital, Sagamihara, Kanagawa, Japan.
| | - Wataru Suda
- Laboratory for Microbiome Sciences, RIKEN Center for Integrative Medical Sciences, Yokohama, Kanagawa, Japan
| | - Rina Kurokawa
- Laboratory for Microbiome Sciences, RIKEN Center for Integrative Medical Sciences, Yokohama, Kanagawa, Japan
| | - Kiyoshi Sekiya
- Clinical Research Center for Allergy and Rheumatology, NHO Sagamihara National Hospital, Sagamihara, Kanagawa, Japan
| | - Hiroaki Hayashi
- Clinical Research Center for Allergy and Rheumatology, NHO Sagamihara National Hospital, Sagamihara, Kanagawa, Japan
| | - Maki Iwata
- Clinical Research Center for Allergy and Rheumatology, NHO Sagamihara National Hospital, Sagamihara, Kanagawa, Japan
| | - Kisako Nagayama
- Clinical Research Center for Allergy and Rheumatology, NHO Sagamihara National Hospital, Sagamihara, Kanagawa, Japan
| | - Yuto Nakamura
- Clinical Research Center for Allergy and Rheumatology, NHO Sagamihara National Hospital, Sagamihara, Kanagawa, Japan
| | - Yuto Hamada
- Clinical Research Center for Allergy and Rheumatology, NHO Sagamihara National Hospital, Sagamihara, Kanagawa, Japan
| | - Yosuke Kamide
- Clinical Research Center for Allergy and Rheumatology, NHO Sagamihara National Hospital, Sagamihara, Kanagawa, Japan
| | - Yuma Fukutomi
- Clinical Research Center for Allergy and Rheumatology, NHO Sagamihara National Hospital, Sagamihara, Kanagawa, Japan
| | | | - Kosei Tanaka
- H.U. Group Research Institute G.K., Akiruno, Tokyo, Japan
| | | | - Masami Taniguchi
- Clinical Research Center for Allergy and Rheumatology, NHO Sagamihara National Hospital, Sagamihara, Kanagawa, Japan
| | - Masahira Hattori
- Laboratory for Microbiome Sciences, RIKEN Center for Integrative Medical Sciences, Yokohama, Kanagawa, Japan
- Graduate School of Advanced Science and Engineering, Waseda University, Tokyo, Japan
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12
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Xiao Y, Feng Y, Zhao J, Chen W, Lu W. Achieving healthy aging through gut microbiota-directed dietary intervention: Focusing on microbial biomarkers and host mechanisms. J Adv Res 2024:S2090-1232(24)00092-4. [PMID: 38462039 DOI: 10.1016/j.jare.2024.03.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 02/23/2024] [Accepted: 03/07/2024] [Indexed: 03/12/2024] Open
Abstract
BACKGROUND Population aging has become a primary global public health issue, and the prevention of age-associated diseases and prolonging healthy life expectancies are of particular importance. Gut microbiota has emerged as a novel target in various host physiological disorders including aging. Comprehensive understanding on changes of gut microbiota during aging, in particular gut microbiota characteristics of centenarians, can provide us possibility to achieving healthy aging or intervene pathological aging through gut microbiota-directed strategies. AIM OF REVIEW This review aims to summarize the characteristics of the gut microbiota associated with aging, explore potential biomarkers of aging and address microbiota-associated mechanisms of host aging focusing on intestinal barrier and immune status. By summarizing the existing effective dietary strategies in aging interventions, the probability of developing a diet targeting the gut microbiota in future is provided. KEY SCIENTIFIC CONCEPTS OF REVIEW This review is focused on three key notions: Firstly, gut microbiota has become a new target for regulating health status and lifespan, and its changes are closely related to age. Thus, we summarized aging-associated gut microbiota features at the levels of key genus/species and important metabolites through comparing the microbiota differences among centenarians, elderly people and younger people. Secondly, exploring microbiota biomarkers related to aging and discussing future possibility using dietary regime/components targeted to aging-related microbiota biomarkers promote human healthy lifespan. Thirdly, dietary intervention can effectively improve the imbalance of gut microbiota related to aging, such as probiotics, prebiotics, and postbiotics, but their effects vary among.
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Affiliation(s)
- Yue Xiao
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, PR China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, PR China; National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, PR China.
| | - Yingxuan Feng
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, PR China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, PR China
| | - Jianxin Zhao
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, PR China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, PR China; National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, PR China
| | - Wei Chen
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, PR China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, PR China; National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, PR China
| | - Wenwei Lu
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, PR China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, PR China; National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, PR China.
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13
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Chen S, Mei H, Xu L, Zhan L, Yang Y, Zhao D, Bao G, Li X, Cao Z. Impact of fermented feed of soybean hulls and rapeseed cake on immunity, antioxidant capacity, and gut microbiota in Chahua chicken. Poult Sci 2024; 103:103451. [PMID: 38301497 PMCID: PMC10847688 DOI: 10.1016/j.psj.2024.103451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 12/25/2023] [Accepted: 01/06/2024] [Indexed: 02/03/2024] Open
Abstract
The present study investigated the effects of replacing part of the basal diet with 2-stage fermented feed (FF) (soybean hulls:rapeseed cake (2:1, m/m)) on the growth performance, immunity, antioxidant capacity, and intestinal health of Chahua chicken. A total of 160 Chahua chickens were randomly divided into 4 groups to receive a control diet or diet with 5%, 10%, or 15% of the basal diet replaced by FF, respectively for 56 d. The results showed that FF significantly improved the average daily gain (ADG) and average daily feed intake (ADFI) of Chahua chickens (P < 0.05). Furthermore, the serum immunoglobulin (Ig) A, glutathione peroxidase (GSH-Px), and superoxide dismutase (SOD) in Chahua chicken receiving the diet added with 15% FF significantly increased (P < 0.05). Chahua chicken in both the 10% and 15% groups showed increased serum IgG and IgM and decreased malondialdehyde. Serum interleukin-2 and interferon-gamma significantly increased in all FF groups. Compared with the CON group, higher ileal villus height (VH) was found in the 10% FF group. Treatment with FF significantly increased the ileal villus height/crypt depth (VH/CD) ratio, jejunal VH, and jejunal VH/CD ratio while reducing ileal and jejunal CD. The modified gut microbiota composition was observed in the Chahua chicken fed a diet containing FF, in particular, with the increased abundance of Faecalibacterium and Lactobacillus. The abundance of Lactobacillus significantly increased in the 10% and 15% FF groups (all P < 0.05). Correlation analysis revealed a positive correlation between Lactobacillus and VH (R = 0.38, P = 0.10, Figure 3B), AH/CD ratio (R = 0.63, P = 0.003), and a negative correlation with CD (R = -0.72, P = 0.001). These results indicate that FF improves immunity, antioxidant capacity, and intestinal health and consequently enhances growth performance in Chahua chicken.
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Affiliation(s)
- Shiyu Chen
- Faculty of Animal Science and Technology, Yunnan Agricultural University, Heilongtan, Kunming 650201, People's Republic of China
| | - Huiyou Mei
- Faculty of Animal Science and Technology, Yunnan Agricultural University, Heilongtan, Kunming 650201, People's Republic of China
| | - Le Xu
- Faculty of Animal Science and Technology, Yunnan Agricultural University, Heilongtan, Kunming 650201, People's Republic of China; Yunnan Provincial Key Laboratory of Animal Nutrition and Feed Science, Heilongtan, Kunming 650201, People's Republic of China
| | - Limei Zhan
- Faculty of Animal Science and Technology, Yunnan Agricultural University, Heilongtan, Kunming 650201, People's Republic of China
| | - Yuhao Yang
- Faculty of Animal Science and Technology, Yunnan Agricultural University, Heilongtan, Kunming 650201, People's Republic of China
| | - Dexuan Zhao
- Faculty of Animal Science and Technology, Yunnan Agricultural University, Heilongtan, Kunming 650201, People's Republic of China
| | - Guoying Bao
- Faculty of Animal Science and Technology, Yunnan Agricultural University, Heilongtan, Kunming 650201, People's Republic of China
| | - Xiaoye Li
- Faculty of Animal Science and Technology, Yunnan Agricultural University, Heilongtan, Kunming 650201, People's Republic of China
| | - Zhenhui Cao
- Faculty of Animal Science and Technology, Yunnan Agricultural University, Heilongtan, Kunming 650201, People's Republic of China; Yunnan Provincial Key Laboratory of Animal Nutrition and Feed Science, Heilongtan, Kunming 650201, People's Republic of China.
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Chen J, Zhang Y, Min H, Zhi J, Ma S, Dong H, Yan J, Chi X, Zhang X, Yang Y. Dynamic changes in the gut microbiota after bismuth quadruple therapy and high-dose dual therapy for Helicobacter pylori eradication. Helicobacter 2024; 29:e13077. [PMID: 38682268 DOI: 10.1111/hel.13077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2024] [Revised: 03/30/2024] [Accepted: 04/02/2024] [Indexed: 05/01/2024]
Abstract
BACKGROUND A novel regimen with high-dose dual therapy (HDDT) has emerged, but its impact on the gut microbiota is not well understood. This study aimed to evaluate the impact of HDDT on the gut microbiota and compare it with that of bismuth quadruple therapy (BQT). METHODS We enrolled outpatients (18-70 years) diagnosed with Helicobacter pylori infection by either histology or a positive 13C-urea breath test (13C-UBT) and randomly assigned to either the BQT or HDDT group. Subjects consented to provide fecal samples which were collected at baseline, Week 2, and Week 14. Amplification of the V1 and V9 regions of the 16S rRNA was conducted followed by high-throughput sequencing. RESULTS Ultimately, 78 patients (41 patients in the HDDT group and 37 in the BQT group) were enrolled in this study. Eradication therapy significantly altered the diversity of the gut microbiota. However, the alpha diversity rebounded only in the HDDT group at 12 weeks post-eradication. Immediately following eradication, the predominance of Proteobacteria, replacing commensal Firmicutes and Bacteroidetes, did not recover after 12 weeks. Species-level analysis showed that the relative abundances of Klebsiella pneumoniae and Escherichia fergusonii significantly increased in both groups at Week 2. Enterococcus faecium and Enterococcus faecalis significantly increased in the BQT group, with no significant difference observed in the HDDT group. After 12 weeks of treatment, the relative abundance of more species in the HDDT group returned to baseline levels. CONCLUSION Eradication of H. pylori can lead to an imbalance in gut microbiota. Compared to BQT, the HDDT is a regimen with milder impact on gut microbiota.
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Affiliation(s)
- Jing Chen
- Medical School of Chinese PLA, Beijing, China
- Microbiota Division, Department of Gastroenterology and Hepatology, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Yan Zhang
- Microbiota Division, Department of Gastroenterology and Hepatology, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Hanchen Min
- Medical School of Chinese PLA, Beijing, China
- Microbiota Division, Department of Gastroenterology and Hepatology, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Junli Zhi
- Microbiota Division, Department of Gastroenterology and Hepatology, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Shuyun Ma
- Microbiota Division, Department of Gastroenterology and Hepatology, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Hongxia Dong
- Microbiota Division, Department of Gastroenterology and Hepatology, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | | | - Xiaoyan Chi
- Medical School of Chinese PLA, Beijing, China
- Microbiota Division, Department of Gastroenterology and Hepatology, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Xiaomei Zhang
- Microbiota Division, Department of Gastroenterology and Hepatology, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Yunsheng Yang
- Microbiota Division, Department of Gastroenterology and Hepatology, The First Medical Center, Chinese PLA General Hospital, Beijing, China
- National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, Beijing, China
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15
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Ou Y, Belzer C, Smidt H, de Weerth C. Development of the gut microbiota in the first 14 years of life and its relations to internalizing and externalizing difficulties and social anxiety during puberty. Eur Child Adolesc Psychiatry 2024; 33:847-860. [PMID: 37071196 PMCID: PMC10894087 DOI: 10.1007/s00787-023-02205-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Accepted: 04/03/2023] [Indexed: 04/19/2023]
Abstract
Relations between the gut microbiota and host mental health have been suggested by a growing number of case-control and cross-sectional studies, while supporting evidence is limited in large community samples followed during an extended period. Therefore, the current preregistered study ( https://osf.io/8ymav , September 7, 2022) described child gut microbiota development in the first 14 years of life and explored its relations to internalizing and externalizing difficulties and social anxiety in puberty, a period of high relevance for the development of mental health problems. Fecal microbiota composition was analysed by 16S ribosomal RNA gene amplicon sequencing in a total of 1003 samples from 193 children. Through a clustering method, four distinct microbial clusters were newly identified in puberty. Most children within three of these clusters remained in the same clusters from the age of 12 to 14 years, suggesting stability in microbial development and transition during this period. These three clusters were compositionally similar to enterotypes (i.e., a robust classification of the gut microbiota based on its composition across different populations) enriched in Bacteroides, Prevotella, and Ruminococcus, respectively. Two Prevotella 9-predominated clusters, including one reported by us earlier in middle childhood and the other one in puberty, were associated with more externalizing behavior at age 14. One Faecalibacterium-depleted pubertal cluster was related to more social anxiety at age 14. This finding was confirmed by a negative cross-sectional relation between Faecalibacterium and social anxiety in the 14-year-olds. The findings of this study continue to map gut microbiota development in a relatively large community sample followed from birth onwards, importantly extending our knowledge to puberty. Results indicate that Prevotella 9 and Faecalibacterium may be relevant microbial taxa in relation to externalizing behavior and social anxiety, respectively. These correlational findings need validations from other similar cohort studies, as well as well-designed mechanistic pre-clinical investigations before inferring cause and effect.
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Affiliation(s)
- Yangwenshan Ou
- Laboratory of Microbiology, Wageningen University and Research, P.O. Box 8033, 6700 EH, Wageningen, The Netherlands.
- Donders Institute for Brain, Cognition and Behaviour, Department of Cognitive Neuroscience, Radboud University Medical Center, P.O. Box 9010, 6500 GL, Nijmegen, The Netherlands.
| | - Clara Belzer
- Laboratory of Microbiology, Wageningen University and Research, P.O. Box 8033, 6700 EH, Wageningen, The Netherlands
| | - Hauke Smidt
- Laboratory of Microbiology, Wageningen University and Research, P.O. Box 8033, 6700 EH, Wageningen, The Netherlands
| | - Carolina de Weerth
- Donders Institute for Brain, Cognition and Behaviour, Department of Cognitive Neuroscience, Radboud University Medical Center, P.O. Box 9010, 6500 GL, Nijmegen, The Netherlands
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16
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Seo B, Jeon K, Kim WK, Jang YJ, Cha KH, Ko G. Strain-Specific Anti-Inflammatory Effects of Faecalibacterium prausnitzii Strain KBL1027 in Koreans. Probiotics Antimicrob Proteins 2024:10.1007/s12602-024-10213-7. [PMID: 38411865 DOI: 10.1007/s12602-024-10213-7] [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] [Accepted: 01/04/2024] [Indexed: 02/28/2024]
Abstract
Faecalibacterium prausnitzii is one of the most dominant commensal bacteria in the human gut, and certain anti-inflammatory functions have been attributed to a single microbial anti-inflammatory molecule (MAM). Simultaneously, substantial diversity among F. prausnitzii strains is acknowledged, emphasizing the need for strain-level functional studies aimed at developing innovative probiotics. Here, two distinct F. prausnitzii strains, KBL1026 and KBL1027, were isolated from Korean donors, exhibiting notable differences in the relative abundance of F. prausnitzii. Both strains were identified as the core Faecalibacterium amplicon sequence variant (ASV) within the healthy Korean cohort, and their MAM sequences showed a high similarity of 98.6%. However, when a single strain was introduced to mice with dextran sulfate sodium (DSS)-induced colitis, KBL1027 showed the most significant ameliorative effects, including alleviation of colonic inflammation and restoration of gut microbial dysbiosis. Moreover, the supernatant from KBL1027 elevated the secretion of IL-10 cytokine more than that of KBL1026 in mouse bone marrow-derived macrophage (BMDM) cells, suggesting that the strain-specific, anti-inflammatory efficacy of KBL1027 might involve effector compounds other than MAM. Through analysis of the Faecalibacterium pan-genome and comparative genomics, strain-specific functions related to extracellular polysaccharide biosynthesis were identified in KBL1027, which could contribute to the observed morphological disparities. Collectively, our findings highlight the strain-specific, anti-inflammatory functions of F. prausnitzii, even within the same core ASV, emphasizing the influence of their human origin.
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Affiliation(s)
- Boram Seo
- Department of Environmental Health Sciences, Graduate School of Public Health, Seoul National University, Seoul, Republic of Korea
- Personalized Diet Research Group, Food Functionality Research Division, Korea Food Research Institute, Jeollabuk-do, Republic of Korea
| | - Kyungchan Jeon
- Department of Environmental Health Sciences, Graduate School of Public Health, Seoul National University, Seoul, Republic of Korea
| | - Woon-Ki Kim
- Department of Environmental Health Sciences, Graduate School of Public Health, Seoul National University, Seoul, Republic of Korea
| | - You Jin Jang
- Department of Environmental Health Sciences, Graduate School of Public Health, Seoul National University, Seoul, Republic of Korea
| | - Kwang Hyun Cha
- Natural Product Informatics Research Center, Korea Institute of Science and Technology (KIST), Gangneung, Republic of Korea
| | - GwangPyo Ko
- Department of Environmental Health Sciences, Graduate School of Public Health, Seoul National University, Seoul, Republic of Korea.
- N-Bio, Seoul National University, Seoul, Republic of Korea.
- Center for Human and Environmental Microbiome, Institute of Health and Environment, Seoul National University, Seoul, Republic of Korea.
- KoBioLabs Inc., Seoul, Republic of Korea.
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17
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Yang C, Wang S, Li Q, Zhang R, Xu Y, Feng J. Effects of Probiotic Lactiplantibacillus plantarum HJLP-1 on Growth Performance, Selected Antioxidant Capacity, Immune Function Indices in the Serum, and Cecal Microbiota in Broiler Chicken. Animals (Basel) 2024; 14:668. [PMID: 38473053 DOI: 10.3390/ani14050668] [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: 12/02/2023] [Revised: 01/12/2024] [Accepted: 01/20/2024] [Indexed: 03/14/2024] Open
Abstract
This research study aimed to investigate the effects of Lactiplantibacillus plantarum (L. plantarum) on growth performance, oxidation resistance, immunity, and cecal microbiota in broilers. This work classed three hundred and sixty 1-day-old male broilers into three groups randomly, including a control group (CON, basal diet) and antibiotic (ANT, 75 mg kg-1 chlortetracycline added into basal diet) and probiotic groups (LP, 5 × 108 CFU kg-1Lactiplantibacillus plantarum HJLP-1 contained within basal diet). Animals were then fed for 42 days, and each group comprised eight replicates with 15 broilers. Compared with CON, L. plantarum supplementation significantly improved the average daily weight gain (AWDG) (p < 0.05) while reducing the feed-gain ratio over the entire supplemental period (p < 0.05). Birds fed L. plantarum had markedly lower serum ammonia and xanthine oxidase levels (p < 0.05) than those in the ANT and CON groups. Significant improvements (p < 0.05) in superoxide dismutase, catalase, and serum IgM and IgY contents in broilers fed L. plantarum were also observed when compared with those in the CON and ANT groups. Both L. plantarum and antibiotics decreased pro-inflammatory factor IL-1β levels significantly (p < 0.05), while only L. plantarum promoted anti-inflammatory factor IL-10 levels in the serum (p < 0.05) compared with CON. L. plantarum (p < 0.05) increased acetic acid and butyric acid concentrations in cecal contents when compared to those in CON and ANT. Among the differences revealed via 16S rRNA analysis, L. plantarum markedly improved the community richness of the cecal microbiota. At the genus level, the butyric acid-producing bacteria Ruminococcus and Lachnospiraceae were found in higher relative abundance in samples of L. plantarum-treated birds. In conclusion, dietary L. plantarum supplementation promoted the growth and health of broilers, likely by inducing a shift in broiler gut microbiota toward short-chain fatty acid (SCFA)-producing bacteria. Therefore, L. plantarum has potential as an alternative to antibiotics in poultry breeding.
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Affiliation(s)
- Caimei Yang
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, College of Animal Science and Technology, Zhejiang Agriculture & Forestry University, Hangzhou 311300, China
| | - Shuting Wang
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, College of Animal Science and Technology, Zhejiang Agriculture & Forestry University, Hangzhou 311300, China
| | - Qing Li
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, College of Animal Science and Technology, Zhejiang Agriculture & Forestry University, Hangzhou 311300, China
| | - Ruiqiang Zhang
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, College of Animal Science and Technology, Zhejiang Agriculture & Forestry University, Hangzhou 311300, China
| | - Yinglei Xu
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, College of Animal Science and Technology, Zhejiang Agriculture & Forestry University, Hangzhou 311300, China
| | - Jie Feng
- Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
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Zhu La ALT, Li D, Cheng Z, Wen Q, Hu D, Jin X, Liu D, Feng Y, Guo Y, Cheng G, Hu Y. Enzymatically prepared neoagarooligosaccharides improve gut health and function through promoting the production of spermidine by Faecalibacterium in chickens. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:169057. [PMID: 38056640 DOI: 10.1016/j.scitotenv.2023.169057] [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: 10/04/2023] [Revised: 11/29/2023] [Accepted: 11/30/2023] [Indexed: 12/08/2023]
Abstract
Maintaining animal gut health through modulating the gut microbiota is a constant need when antibiotics are not used in animal feed during the food animal production process. Prebiotics is regarded as one of the most promising antibiotic alternatives for such purpose. As an attractive prebiotic, the role and mechanisms of neoagarooligosaccharides (NAOS) in promoting animal growth and gut health have not been elucidated. In this study, we first cloned and expressed marine bacterial β-agarase in yeast to optimize the NAOS preparation and then investigated the role and the underlying mechanisms of the prepared NAOS in improving chicken gut health and function. The marine bacterial β-agarase PDE13B was expressed in Pichia pastoris GS115 and generated even-numbered NAOS. Dietary the prepared NAOS promoted chicken growth and improved intestinal morphology, its barrier, and digestion capabilities, and absorption function. Metagenomic analysis indicated that NAOS modulated the chicken gut microbiota structure and function, and microbial interactions, and promoted the growth of spermidine-producing bacteria especially Faecalibacterium. Through integration of gut metagenome, gut content metabolome, and gut tissue transcriptome, we established connections among NAOS, gut microbes, spermidine, and chicken gut gene expression. The spermidine regulation of genes related to autophagy, immunity, and inflammation was further confirmed in chicken embryo intestinal epithelium cells. We also verified that NAOS can be utilized by Faecalibacterium prausnitzii to grow and produce spermidine in in vitro experiments. Collectively, we provide a systematic investigation of the role of NAOS in regulating gut health and demonstrate the microbial spermidine-mediated mechanism involved in prebiotic effects of NAOS, which lays foundation for future use of NAOS as a new antibiotic alternative in animal production.
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Affiliation(s)
- A La Teng Zhu La
- State Key Laboratory of Animal Nutrition and Feeding, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
| | - Depeng Li
- State Key Laboratory of Animal Nutrition and Feeding, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
| | - Zhiqian Cheng
- Huzhou Inspection & Quarantine Comprehensive Technology Center, Zhejiang 313000, China
| | - Qiu Wen
- State Key Laboratory of Animal Nutrition and Feeding, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
| | - Die Hu
- State Key Laboratory of Animal Nutrition and Feeding, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
| | - Xiaolu Jin
- State Key Laboratory of Animal Nutrition and Feeding, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
| | - Dan Liu
- State Key Laboratory of Animal Nutrition and Feeding, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
| | - Yuqing Feng
- State Key Laboratory of Animal Nutrition and Feeding, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
| | - Yuming Guo
- State Key Laboratory of Animal Nutrition and Feeding, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
| | - Gong Cheng
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
| | - Yongfei Hu
- State Key Laboratory of Animal Nutrition and Feeding, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China.
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19
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Xu C, Jiang H, Feng LJ, Jiang MZ, Wang YL, Liu SJ. Christensenella minuta interacts with multiple gut bacteria. Front Microbiol 2024; 15:1301073. [PMID: 38440147 PMCID: PMC10910051 DOI: 10.3389/fmicb.2024.1301073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Accepted: 01/30/2024] [Indexed: 03/06/2024] Open
Abstract
Introduction Gut microbes form complex networks that significantly influence host health and disease treatment. Interventions with the probiotic bacteria on the gut microbiota have been demonstrated to improve host well-being. As a representative of next-generation probiotics, Christensenella minuta (C. minuta) plays a critical role in regulating energy balance and metabolic homeostasis in human bodies, showing potential in treating metabolic disorders and reducing inflammation. However, interactions of C. minuta with the members of the networked gut microbiota have rarely been explored. Methods In this study, we investigated the impact of C. minuta on fecal microbiota via metagenomic sequencing, focusing on retrieving bacterial strains and coculture assays of C. minuta with associated microbial partners. Results Our results showed that C. minuta intervention significantly reduced the diversity of fecal microorganisms, but specifically enhanced some groups of bacteria, such as Lactobacillaceae. C. minuta selectively enriched bacterial pathways that compensated for its metabolic defects on vitamin B1, B12, serine, and glutamate synthesis. Meanwhile, C. minuta cross-feeds Faecalibacterium prausnitzii and other bacteria via the production of arginine, branched-chain amino acids, fumaric acids and short-chain fatty acids (SCFAs), such as acetic. Both metagenomic data analysis and culture experiments revealed that C. minuta negatively correlated with Klebsiella pneumoniae and 14 other bacterial taxa, while positively correlated with F. prausnitzii. Our results advance our comprehension of C. minuta's in modulating the gut microbial network. Conclusions C. minuta disrupts the composition of the fecal microbiota. This disturbance is manifested through cross-feeding, nutritional competition, and supplementation of its own metabolic deficiencies, resulting in the specific enrichment or inhibition of the growth of certain bacteria. This study will shed light on the application of C. minuta as a probiotic for effective interventions on gut microbiomes and improvement of host health.
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Affiliation(s)
- Chang Xu
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao, China
| | - He Jiang
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao, China
| | - Li-Juan Feng
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao, China
| | - Min-Zhi Jiang
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao, China
| | - Yu-Lin Wang
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao, China
| | - Shuang-Jiang Liu
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao, China
- State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
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20
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Mohamed ME, Saqr A, Staley C, Onyeaghala G, Teigen L, Dorr CR, Remmel RP, Guan W, Oetting WS, Matas AJ, Israni AK, Jacobson PA. Pharmacomicrobiomics: Immunosuppressive Drugs and Microbiome Interactions in Transplantation. Transplantation 2024:00007890-990000000-00663. [PMID: 38361239 DOI: 10.1097/tp.0000000000004926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2024]
Abstract
The human microbiome is associated with human health and disease. Exogenous compounds, including pharmaceutical products, are also known to be affected by the microbiome, and this discovery has led to the field of pharmacomicobiomics. The microbiome can also alter drug pharmacokinetics and pharmacodynamics, possibly resulting in side effects, toxicities, and unanticipated disease response. Microbiome-mediated effects are referred to as drug-microbiome interactions (DMI). Rapid advances in the field of pharmacomicrobiomics have been driven by the availability of efficient bacterial genome sequencing methods and new computational and bioinformatics tools. The success of fecal microbiota transplantation for recurrent Clostridioides difficile has fueled enthusiasm and research in the field. This review focuses on the pharmacomicrobiome in transplantation. Alterations in the microbiome in transplant recipients are well documented, largely because of prophylactic antibiotic use, and the potential for DMI is high. There is evidence that the gut microbiome may alter the pharmacokinetic disposition of tacrolimus and result in microbiome-specific tacrolimus metabolites. The gut microbiome also impacts the enterohepatic recirculation of mycophenolate, resulting in substantial changes in pharmacokinetic disposition and systemic exposure. The mechanisms of these DMI and the specific bacteria or communities of bacteria are under investigation. There are little or no human DMI data for cyclosporine A, corticosteroids, and sirolimus. The available evidence in transplantation is limited and driven by small studies of heterogeneous designs. Larger clinical studies are needed, but the potential for future clinical application of the pharmacomicrobiome in avoiding poor outcomes is high.
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Affiliation(s)
- Moataz E Mohamed
- Department of Experimental and Clinical Pharmacology, College of Pharmacy, University of Minnesota, Minneapolis, MN
| | - Abdelrahman Saqr
- Department of Experimental and Clinical Pharmacology, College of Pharmacy, University of Minnesota, Minneapolis, MN
| | | | - Guillaume Onyeaghala
- Hennepin Healthcare Research Institute, Minneapolis, MN
- Department of Medicine, University of Minnesota, Minneapolis, MN
| | - Levi Teigen
- Department of Food Science and Nutrition, University of Minnesota, St Paul, MN
| | - Casey R Dorr
- Department of Experimental and Clinical Pharmacology, College of Pharmacy, University of Minnesota, Minneapolis, MN
- Hennepin Healthcare Research Institute, Minneapolis, MN
- Department of Medicine, University of Minnesota, Minneapolis, MN
- Department of Medicine, Hennepin Healthcare, Minneapolis, MN
| | - Rory P Remmel
- Department of Medicinal Chemistry, College of Pharmacy, University of Minnesota, Minneapolis, MN
| | - Weihua Guan
- Division of Biostatistics, School of Public Health, University of Minnesota, Minneapolis, MN
| | - William S Oetting
- Department of Experimental and Clinical Pharmacology, College of Pharmacy, University of Minnesota, Minneapolis, MN
| | - Arthur J Matas
- Department of Surgery, University of Minnesota, Minneapolis, MN
| | - Ajay K Israni
- Hennepin Healthcare Research Institute, Minneapolis, MN
- Department of Medicine, Hennepin Healthcare, Minneapolis, MN
- Department of Epidemiology and Community Health, University of Minnesota, Minneapolis, MN
| | - Pamala A Jacobson
- Department of Experimental and Clinical Pharmacology, College of Pharmacy, University of Minnesota, Minneapolis, MN
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21
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Zhang DW, Lu JL, Dong BY, Fang MY, Xiong X, Qin XJ, Fan XM. Gut microbiota and its metabolic products in acute respiratory distress syndrome. Front Immunol 2024; 15:1330021. [PMID: 38433840 PMCID: PMC10904571 DOI: 10.3389/fimmu.2024.1330021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Accepted: 01/30/2024] [Indexed: 03/05/2024] Open
Abstract
The prevalence rate of acute respiratory distress syndrome (ARDS) is estimated at approximately 10% in critically ill patients worldwide, with the mortality rate ranging from 17% to 39%. Currently, ARDS mortality is usually higher in patients with COVID-19, giving another challenge for ARDS treatment. However, the treatment efficacy for ARDS is far from satisfactory. The relationship between the gut microbiota and ARDS has been substantiated by relevant scientific studies. ARDS not only changes the distribution of gut microbiota, but also influences intestinal mucosal barrier through the alteration of gut microbiota. The modulation of gut microbiota can impact the onset and progression of ARDS by triggering dysfunctions in inflammatory response and immune cells, oxidative stress, cell apoptosis, autophagy, pyroptosis, and ferroptosis mechanisms. Meanwhile, ARDS may also influence the distribution of metabolic products of gut microbiota. In this review, we focus on the impact of ARDS on gut microbiota and how the alteration of gut microbiota further influences the immune function, cellular functions and related signaling pathways during ARDS. The roles of gut microbiota-derived metabolites in the development and occurrence of ARDS are also discussed.
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Affiliation(s)
- Dong-Wei Zhang
- Department of Respiratory and Critical Care Medicine, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
- Inflammation & Allergic Diseases Research Unit, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
- Department of Respiratory and Critical Care Medicine, Liuzhou People’s Hospital, Guangxi Medical University, Liuzhou, Guangxi, China
- Key Laboratory of Diagnosis, Treatment and Research of Asthma and Chronic Obstructive Pulmonary Disease, Liuzhou, Guangxi, China
| | - Jia-Li Lu
- Department of Respiratory and Critical Care Medicine, Liuzhou People’s Hospital, Guangxi Medical University, Liuzhou, Guangxi, China
- Key Laboratory of Diagnosis, Treatment and Research of Asthma and Chronic Obstructive Pulmonary Disease, Liuzhou, Guangxi, China
| | - Bi-Ying Dong
- Department of Respiratory and Critical Care Medicine, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
- Inflammation & Allergic Diseases Research Unit, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
- Department of Respiratory and Critical Care Medicine, Liuzhou People’s Hospital, Guangxi Medical University, Liuzhou, Guangxi, China
- Key Laboratory of Diagnosis, Treatment and Research of Asthma and Chronic Obstructive Pulmonary Disease, Liuzhou, Guangxi, China
| | - Meng-Ying Fang
- Department of Respiratory and Critical Care Medicine, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
- Inflammation & Allergic Diseases Research Unit, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
| | - Xia Xiong
- Department of Dermatology, The Affiliated Hospital, Southwest Medical University, Luzhou, Sichuan, China
| | - Xue-Jun Qin
- Department of Respiratory and Critical Care Medicine, Liuzhou People’s Hospital, Guangxi Medical University, Liuzhou, Guangxi, China
- Key Laboratory of Diagnosis, Treatment and Research of Asthma and Chronic Obstructive Pulmonary Disease, Liuzhou, Guangxi, China
| | - Xian-Ming Fan
- Department of Respiratory and Critical Care Medicine, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
- Inflammation & Allergic Diseases Research Unit, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
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Arfi S, Sharma P, Das K, Bhaskar Y, Goel I, Singh H, Das R. Low abundance of healthy bacteria in the gastric microbiota can be a potential biomarker for gastrointestinal diseases: A pilot study. Indian J Med Res 2024; 159:254-258. [PMID: 38484125 PMCID: PMC11050751 DOI: 10.4103/ijmr.ijmr_864_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Indexed: 04/06/2024] Open
Affiliation(s)
- Safiya Arfi
- Centre for Medical Biotechnology, Amity Institute of Biotechnology, Amity University, Noida 201 301, India
| | - Prateek Sharma
- Centre for Medical Biotechnology, Amity Institute of Biotechnology, Amity University, Noida 201 301, India
| | - Kunal Das
- Department of Gastroenterology, Yashoda Super Specialty Hospital, Ghaziabad 201 001, India
- Department of Gastroenterology, Max Super Specialty Hospital, Ghaziabad, Uttar Pradesh, India
| | - Yogendra Bhaskar
- Division of Biomedical Informatics, Indian Council of Medical Research, New Delhi 110 029, India
| | - Isha Goel
- Department of Psychiatry, All India Institute of Medical Sciences, New Delhi 110 029, India
| | - Harpreet Singh
- Division of Biomedical Informatics, Indian Council of Medical Research, New Delhi 110 029, India
| | - Rajashree Das
- Centre for Medical Biotechnology, Amity Institute of Biotechnology, Amity University, Noida 201 301, India
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Sun R, Niu H, Li Y, Sun M, Hua M, Miao X, Su Y, Wang J, Li D, Wang Y. Fermented natto powder alleviates obesity by regulating LXR pathway and gut microbiota in obesity rats. J Appl Microbiol 2024; 135:lxae003. [PMID: 38192042 DOI: 10.1093/jambio/lxae003] [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: 07/11/2023] [Revised: 11/02/2023] [Accepted: 01/05/2024] [Indexed: 01/10/2024]
Abstract
AIM This study aimed to investigate the positive effect of natto powder on obese rats fed with a high-fat diet (HFD). METHODS AND RESULTS Sprague-Dawley rats were fed with a HFD for 8 weeks continuously and gavaged with natto powder, respectively, for 8 weeks starting from the ninth week. The results showed that natto powder significantly reduced the body weight of rats and maintained the balance of cholesterol metabolism in the body by inhibiting the activity of liver X receptors (LXR) target genes, increasing the active expression of cholesterol 7 alpha-hydroxylase, and reducing the active expression of sterol-regulatory element-binding protein and 3-hydroxy-3-methylglutaryl coenzyme A reductase (HMGCR). Furthermore, natto powder increased the relative abundance of potentially beneficial microbiota in gut and decreased the relative abundance of obesity-related harmful bacteria, and also increased the Bacteroidetes/Firmicutes ratio and improved the composition of gut microbiota. CONCLUSIONS Natto powder maintains the balance of cholesterol metabolism by inhibiting the LXR pathway and regulating the gut microbiota.
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Affiliation(s)
- Ruiyue Sun
- Institute of Agro-product Process, Jilin Academy of Agricultural Science, Changchun 130033, Jilin, China
- Future Food (Bai Ma) Research Institute, Nanjing 211200, Jiangsu, China
| | - Honghong Niu
- Institute of Agro-product Process, Jilin Academy of Agricultural Science, Changchun 130033, Jilin, China
| | - Yueqiao Li
- Science and Technology Exchange and Cooperation Division, Jilin Academy of Agricultural Sciences, Changchun 130033, Jilin, China
| | - Mubai Sun
- Institute of Agro-product Process, Jilin Academy of Agricultural Science, Changchun 130033, Jilin, China
| | - Mei Hua
- Institute of Agro-product Process, Jilin Academy of Agricultural Science, Changchun 130033, Jilin, China
| | - Xinyu Miao
- Institute of Agro-product Process, Jilin Academy of Agricultural Science, Changchun 130033, Jilin, China
| | - Ying Su
- Institute of Agro-product Process, Jilin Academy of Agricultural Science, Changchun 130033, Jilin, China
| | - Jinghui Wang
- Institute of Agro-product Process, Jilin Academy of Agricultural Science, Changchun 130033, Jilin, China
| | - Da Li
- Institute of Agro-product Process, Jilin Academy of Agricultural Science, Changchun 130033, Jilin, China
| | - Ying Wang
- Institute of Agricultural Quality Standards and Testing Technology, Liaoning Academy of Agricultural Sciences, Shenyang 110000, Liaoning, China
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Al Hakeem WG, Cason EE, Adams D, Fathima S, Shanmugasundaram R, Lourenco J, Selvaraj RK. Characterizing the Effect of Campylobacter jejuni Challenge on Growth Performance, Cecal Microbiota, and Cecal Short-Chain Fatty Acid Concentrations in Broilers. Animals (Basel) 2024; 14:473. [PMID: 38338116 PMCID: PMC10854649 DOI: 10.3390/ani14030473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Revised: 01/20/2024] [Accepted: 01/26/2024] [Indexed: 02/12/2024] Open
Abstract
This study aimed to understand the effect of C. jejuni challenge on the cecal microbiota and short-chain fatty acid (SCFA) concentration to form a better understanding of the host-pathogen interaction. Sixty broilers were randomly allocated into two treatments: control and challenge. Each treatment was replicated in six pens with five birds per pen. On day 21, birds in the challenge group were orally gavaged with 1 × 108C. jejuni/mL, while the control group was mock challenged with PBS. The C. jejuni challenge had no effect on body weight, feed intake, and feed conversion ratio compared to the control group. On day 28, the C. jejuni challenge decreased the observed features and Shannon index compared to the control group. On the species level, the C. jejuni challenge decreased (p = 0.02) the relative abundance of Sellimonas intestinalis on day 28 and increased (p = 0.04) the relative abundance of Faecalibacterium sp002160895 on day 35 compared to the control group. The C. jejuni challenge did not change the microbial function and the cecal concentrations of SCFA on days 28 and 35 compared to the control group. In conclusion, C. jejuni might alter the gut microbiota's composition and diversity without significantly compromising broilers' growth.
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Affiliation(s)
- Walid G. Al Hakeem
- Department of Poultry Science, The University of Georgia, Athens, GA 3060, USA; (W.G.A.H.); (E.E.C.); (D.A.); (S.F.)
| | - Emily E. Cason
- Department of Poultry Science, The University of Georgia, Athens, GA 3060, USA; (W.G.A.H.); (E.E.C.); (D.A.); (S.F.)
| | - Daniel Adams
- Department of Poultry Science, The University of Georgia, Athens, GA 3060, USA; (W.G.A.H.); (E.E.C.); (D.A.); (S.F.)
| | - Shahna Fathima
- Department of Poultry Science, The University of Georgia, Athens, GA 3060, USA; (W.G.A.H.); (E.E.C.); (D.A.); (S.F.)
| | - Revathi Shanmugasundaram
- Toxicology and Mycotoxin Research Unit, US National Poultry Research Center, Athens, GA 30605, USA;
| | - Jeferson Lourenco
- Department of Animal and Dairy Science, The University of Georgia, Athens, GA 30602, USA
| | - Ramesh K. Selvaraj
- Department of Poultry Science, The University of Georgia, Athens, GA 3060, USA; (W.G.A.H.); (E.E.C.); (D.A.); (S.F.)
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25
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Cai P, Liu S, Tu Y, Fu D, Zhang W, Zhang X, Zhou Y, Shan T. Effects of different supplemental levels of protease DE200 on the production performance, egg quality, and cecum microflora of laying hens. J Anim Sci 2024; 102:skae086. [PMID: 38527414 PMCID: PMC11034432 DOI: 10.1093/jas/skae086] [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: 12/14/2023] [Accepted: 03/24/2024] [Indexed: 03/27/2024] Open
Abstract
This study aimed to investigate the effects of different levels of the protease DE200 on the performance, egg quality, organ index, and cecum microflora of Hy-line W36 laying hens. In this experiment, a total of 180 laying hens aged 300 d were randomly divided into three treatment groups and fed diets containing 0, 100, or 200 g/t DE200. The experimental period was 8 wk, including 2 wk of prefeeding and 6 wk of the formal experiment. Regular feeding was performed thrice a day and eggs were collected twice daily, and the feed intake and the egg quality were recorded. The results showed that in terms of production performance, dietary supplementation with different levels of DE200 significantly increased egg production (EP; P < 0.05) and significantly decreased the feed conversion ratio (FCR; P < 0.05) and average daily feed intake (ADFI; P < 0.05) without affecting egg weight (EW). In addition, the addition of DE200 significantly reduced the egg breakage rate (P < 0.05) and tended to increase the Haugh unit and decrease the water content of the yolk (P > 0.05). In the cecal microflora, the addition of DE200 increased the proportions of Bacteroidetes and Firmicutes at the phylum level while reducing the proportion of Fusobacteria. Furthermore, at the genus level, the addition of DE200 increased the proportions of Bacteroides and Faecalibacterium and reduced the proportion of Megamonas. This study suggested that the protease DE200 can be used as a feed supplement to improve the production performance of laying hens.
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Affiliation(s)
- Peiran Cai
- College of Animal Sciences, Zhejiang University, Hangzhou, China
- The Key Laboratory of Molecular Animal Nutrition, Ministry of Education, Hangzhou, China
- Zhejiang Provincial Laboratory of Feed and Animal Nutrition, Hangzhou, China
| | - Shiqi Liu
- College of Animal Sciences, Zhejiang University, Hangzhou, China
- The Key Laboratory of Molecular Animal Nutrition, Ministry of Education, Hangzhou, China
- Zhejiang Provincial Laboratory of Feed and Animal Nutrition, Hangzhou, China
| | - Yuang Tu
- College of Animal Sciences, Zhejiang University, Hangzhou, China
- The Key Laboratory of Molecular Animal Nutrition, Ministry of Education, Hangzhou, China
- Zhejiang Provincial Laboratory of Feed and Animal Nutrition, Hangzhou, China
| | - Dabo Fu
- Wuhan Xinhua Yang Biological Co., Ltd, Wuhan, China
| | - Wei Zhang
- Wuhan Xinhua Yang Biological Co., Ltd, Wuhan, China
| | - Xixi Zhang
- Wuhan Xinhua Yang Biological Co., Ltd, Wuhan, China
| | - Ying Zhou
- Wuhan Xinhua Yang Biological Co., Ltd, Wuhan, China
| | - Tizhong Shan
- College of Animal Sciences, Zhejiang University, Hangzhou, China
- The Key Laboratory of Molecular Animal Nutrition, Ministry of Education, Hangzhou, China
- Zhejiang Provincial Laboratory of Feed and Animal Nutrition, Hangzhou, China
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Wang XW, Sun Z, Jia H, Michel-Mata S, Angulo MT, Dai L, He X, Weiss ST, Liu YY. Identifying keystone species in microbial communities using deep learning. Nat Ecol Evol 2024; 8:22-31. [PMID: 37974003 DOI: 10.1038/s41559-023-02250-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Accepted: 10/16/2023] [Indexed: 11/19/2023]
Abstract
Previous studies suggested that microbial communities can harbour keystone species whose removal can cause a dramatic shift in microbiome structure and functioning. Yet, an efficient method to systematically identify keystone species in microbial communities is still lacking. Here we propose a data-driven keystone species identification (DKI) framework based on deep learning to resolve this challenge. Our key idea is to implicitly learn the assembly rules of microbial communities from a particular habitat by training a deep-learning model using microbiome samples collected from this habitat. The well-trained deep-learning model enables us to quantify the community-specific keystoneness of each species in any microbiome sample from this habitat by conducting a thought experiment on species removal. We systematically validated this DKI framework using synthetic data and applied DKI to analyse real data. We found that those taxa with high median keystoneness across different communities display strong community specificity. The presented DKI framework demonstrates the power of machine learning in tackling a fundamental problem in community ecology, paving the way for the data-driven management of complex microbial communities.
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Affiliation(s)
- Xu-Wen Wang
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Zheng Sun
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Huijue Jia
- School of Life Sciences, Fudan University, Shanghai, China
- Institute of Precision Medicine-Greater Bay Area (Guangzhou), Fudan University, Guangzhou, China
| | - Sebastian Michel-Mata
- Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ, USA
| | - Marco Tulio Angulo
- Institute of Mathematics, Universidad Nacional Autónoma de México, Juriquilla, Mexico
| | - Lei Dai
- CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Shenzhen, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Xuesong He
- Department of Microbiology, The Forsyth Institute, Cambridge, MA, USA
- Department of Oral Medicine, Infection and Immunity, Harvard School of Dental Medicine, Boston, MA, USA
| | - Scott T Weiss
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Yang-Yu Liu
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA.
- Center for Artificial Intelligence and Modeling, The Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Champaign, IL, USA.
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27
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Román-Ochoa Y, M Cantu-Jungles T, Choque Delgado GT, Bulut N, Tejada TR, Yucra HR, Duran AE, Hamaker BR. Specific dietary fibers prevent heavy metal disruption of the human gut microbiota in vitro. Food Res Int 2024; 176:113858. [PMID: 38163737 DOI: 10.1016/j.foodres.2023.113858] [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: 11/02/2023] [Revised: 12/11/2023] [Accepted: 12/14/2023] [Indexed: 01/03/2024]
Abstract
Heavy metal exposure is a growing concern due to its adverse effects on human health, including the disruption of gut microbiota composition and function. Dietary fibers have been shown to positively impact the gut microbiota and could mitigate some of the heavy metal negative effects. This study aimed to investigate the effects of different heavy metals (As, Cd and Hg in different concentrations) on gut microbiota in the presence and absence of different dietary fibers that included fructooligosaccharides, pectin, resistant starch, and wheat bran. We observed that whereas heavy metals impaired fiber fermentation outcomes for some fiber types, the presence of fibers generally protected gut microbial communities from heavy metal-induced changes, especially for As and Cd. Notably, the protective effects varied depending on fiber types, and heavy metal type and concentration and were overall stronger for wheat bran and pectin than other fiber types. Our findings suggest that dietary fibers play a role in mitigating the adverse effects of heavy metal exposure on gut microbiota health and may have implications for the development of dietary interventions to reduce dysbiosis associated with heavy metal exposure. Moreover, fiber-type specific outcomes highlight the importance of evidence-based selection of prebiotic dietary fibers to mitigate heavy metal toxicity to the gut microbiota.
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Affiliation(s)
- Yony Román-Ochoa
- Whistler Center for Carbohydrate Research and Department of Food Science, Purdue University, West Lafayette, IN, USA; Carbohydrate Biochemistry Research Group (BIOCAB), Department of Chemistry, Universidad de Los Andes, Carrera 1 No. 18A-10, Bogotá 111711, Colombia
| | - Thaisa M Cantu-Jungles
- Whistler Center for Carbohydrate Research and Department of Food Science, Purdue University, West Lafayette, IN, USA.
| | | | - Nuseybe Bulut
- Whistler Center for Carbohydrate Research and Department of Food Science, Purdue University, West Lafayette, IN, USA
| | - Teresa R Tejada
- Academic Department of Food Industries Engineering, National University of San Agustin, Arequipa, Peru
| | - Harry R Yucra
- Academic Department of Food Industries Engineering, National University of San Agustin, Arequipa, Peru
| | - Antonio E Duran
- Academic Department of Food Industries Engineering, National University of San Agustin, Arequipa, Peru
| | - Bruce R Hamaker
- Whistler Center for Carbohydrate Research and Department of Food Science, Purdue University, West Lafayette, IN, USA.
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28
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Shimizu K, Hirata H, Tokuhira N, Motooka D, Nakamura S, Ueda A, Tachino J, Koide M, Uchiyama A, Ogura H, Oda J. Dysbiosis of gut microbiota in patients with severe COVID-19. Acute Med Surg 2024; 11:e923. [PMID: 38213715 PMCID: PMC10781893 DOI: 10.1002/ams2.923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 12/16/2023] [Accepted: 12/28/2023] [Indexed: 01/13/2024] Open
Abstract
Aim Altered gut microbiota has been proposed as one of the causes of exacerbation of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2/COVID-19) from the perspective of the gut-lung axis. We aimed to evaluate gut microbiota in mechanically ventilated patients with COVID-19 prior to using antibiotics. Methods We retrospectively selected for enrollment COVID-19 patients who required mechanical ventilation on admission but who had not used antibiotics before admission to observe the influence of SARS-Cov-2 on gut microbiota. Fecal samples were collected serially on admission and were evaluated by 16S rRNA gene deep sequencing. Results The phylum of Bacteroidetes decreased, and those of Firmicutes and Actinobacteria increased in COVID-19 patients compared with those in healthy controls (p < 0.001). The main commensals of Bacteroides, Faecalibacterium, and Blautia at the genus level were significantly decreased in the COVID-19 patients, and opportunistic bacteria including Corynebacterium, Anaerococcus, Finegoldia Peptoniphilus, Actinomyces, and Enterococcus were increased (p < 0.001). α-Diversity and β-diversity in COVID-19 patients significantly changed compared with those in the healthy controls. Conclusion The commensal gut microbiota were altered, and opportunistic bacteria increased in patients with severe COVID-19 who required mechanical ventilation on admission.
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Affiliation(s)
- Kentaro Shimizu
- Department of Traumatology and Acute Critical MedicineOsaka University Graduate School of MedicineSuitaJapan
| | - Haruhiko Hirata
- Department of Respiratory Medicine and Clinical Immunology, Graduate School of MedicineOsaka UniversityOsakaJapan
| | - Natsuko Tokuhira
- Intensive Care Unit, Osaka University HospitalOsaka UniversitySuitaJapan
| | - Daisuke Motooka
- Department of Infection Metagenomics, Research Institute for Microbial DiseasesOsaka UniversitySuitaJapan
| | - Shota Nakamura
- Department of Infection Metagenomics, Research Institute for Microbial DiseasesOsaka UniversitySuitaJapan
| | - Akiko Ueda
- Laboratory for Clinical Investigation, Osaka University HospitalOsaka UniversitySuitaJapan
| | - Jotaro Tachino
- Department of Traumatology and Acute Critical MedicineOsaka University Graduate School of MedicineSuitaJapan
| | - Moe Koide
- Intensive Care Unit, Osaka University HospitalOsaka UniversitySuitaJapan
| | - Akinori Uchiyama
- Intensive Care Unit, Osaka University HospitalOsaka UniversitySuitaJapan
| | - Hiroshi Ogura
- Department of Traumatology and Acute Critical MedicineOsaka University Graduate School of MedicineSuitaJapan
| | - Jun Oda
- Department of Traumatology and Acute Critical MedicineOsaka University Graduate School of MedicineSuitaJapan
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29
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Purdel C, Margină D, Adam-Dima I, Ungurianu A. The Beneficial Effects of Dietary Interventions on Gut Microbiota-An Up-to-Date Critical Review and Future Perspectives. Nutrients 2023; 15:5005. [PMID: 38068863 PMCID: PMC10708505 DOI: 10.3390/nu15235005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 11/22/2023] [Accepted: 12/02/2023] [Indexed: 12/18/2023] Open
Abstract
Different dietary interventions, especially intermittent fasting, are widely used and promoted by physicians; these regimens have been studied lately for their impact on the gut microbiota composition/function and, consequently, on the general physiopathological processes of the host. Studies are showing that dietary components modulate the microbiota, and, at the same time, the host metabolism is deeply influenced by the different products resulting from nutrient transformation in the microbiota compartment. This reciprocal relationship can potentially influence even drug metabolism for chronic drug regimens, significantly impacting human health/disease. Recently, the influence of various dietary restrictions on the gut microbiota and the differences between the effects were investigated. In this review, we explored the current knowledge of different dietary restrictions on animal and human gut microbiota and the impact of these changes on human health.
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Affiliation(s)
- Carmen Purdel
- Department of Toxicology, Faculty of Pharmacy, “Carol Davila” University of Medicine and Pharmacy, Traian Vuia 6, 020956 Bucharest, Romania; (C.P.); (I.A.-D.)
| | - Denisa Margină
- Department of Biochemistry, Faculty of Pharmacy, “Carol Davila” University of Medicine and Pharmacy, Traian Vuia 6, 020956 Bucharest, Romania;
| | - Ines Adam-Dima
- Department of Toxicology, Faculty of Pharmacy, “Carol Davila” University of Medicine and Pharmacy, Traian Vuia 6, 020956 Bucharest, Romania; (C.P.); (I.A.-D.)
| | - Anca Ungurianu
- Department of Biochemistry, Faculty of Pharmacy, “Carol Davila” University of Medicine and Pharmacy, Traian Vuia 6, 020956 Bucharest, Romania;
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30
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Wu R, Xiong R, Li Y, Chen J, Yan R. Gut microbiome, metabolome, host immunity associated with inflammatory bowel disease and intervention of fecal microbiota transplantation. J Autoimmun 2023; 141:103062. [PMID: 37246133 DOI: 10.1016/j.jaut.2023.103062] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 05/05/2023] [Accepted: 05/08/2023] [Indexed: 05/30/2023]
Abstract
Gut dysbiosis has been associated with inflammatory bowel disease (IBD), one of the most common gastrointestinal diseases. The microbial communities play essential roles in host physiology, with profound effects on immune homeostasis, directly or via their metabolites and/or components. There are increasing clinical trials applying fecal microbiota transplantation (FMT) with Crohn's disease (CD) and ulcerative colitis (UC). The restoration of dysbiotic gut microbiome is considered as one of the mechanisms of FMT therapy. In this work, latest advances in the alterations in gut microbiome and metabolome features in IBD patients and experimental mechanistic understanding on their contribution to the immune dysfunction were reviewed. Then, the therapeutic outcomes of FMT on IBD were summarized based on clinical remission, endoscopic remission and histological remission of 27 clinical trials retrieved from PubMed which have been registered on ClinicalTrials.gov with the results been published in the past 10 years. Although FMT is established as an effective therapy for both subtypes of IBD, the promising outcomes are not always achieved. Among the 27 studies, only 11 studies performed gut microbiome profiling, 5 reported immune response alterations and 3 carried out metabolome analysis. Generally, FMT partially restored typical changes in IBD, resulted in increased α-diversity and species richness in responders and similar but less pronounced shifts of patient microbial and metabolomics profiles toward donor profiles. Measurements of immune responses to FMT mainly focused on T cells and revealed divergent effects on pro-/anti-inflammatory functions. The very limited information and the extremely confounding factors in the designs of the FMT trials significantly hindered a reasonable conclusion on the mechanistic involvement of gut microbiota and metabolites in clinical outcomes and an analysis of the inconsistencies.
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Affiliation(s)
- Rongrong Wu
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Taipa, Macao, China.
| | - Rui Xiong
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Taipa, Macao, China.
| | - Yan Li
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Taipa, Macao, China.
| | - Junru Chen
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Taipa, Macao, China.
| | - Ru Yan
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Taipa, Macao, China.
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31
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Chen J, Chen DF, Cho KS. The Role of Gut Microbiota in Glaucoma Progression and Other Retinal Diseases. THE AMERICAN JOURNAL OF PATHOLOGY 2023; 193:1662-1668. [PMID: 37490970 PMCID: PMC10616709 DOI: 10.1016/j.ajpath.2023.06.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 06/19/2023] [Accepted: 06/29/2023] [Indexed: 07/27/2023]
Abstract
As a rapidly growing field, microbiota research offers novel approaches to promoting ocular health and treating major retinal diseases, such as glaucoma. Gut microbiota changes throughout life; however, certain patterns of population changes have been increasingly associated with specific diseases. It has been well established that a disrupted microbiome contributes to central nervous system diseases, including Alzheimer disease, Parkinson disease, multiple sclerosis, and glioma, suggesting a prominent role of microbiome in neurodegenerative diseases. This review summarizes the progress in identifying significant changes in the microbial composition of patients with glaucoma by compiling studies on the association between microbiota and disease progression. Of interest is the relationship between increased Firmicutes/Bacteroidetes ratio in patients with primary open-angle glaucoma, increased taurocholic acid, decreased glutathione, and a reduction in retinal ganglion cell survival. Connecting these microbes to specific metabolites sheds light on the pathogenic mechanism and novel treatment strategies. In summary, the current review synthesizes the findings of several studies investigating the effects of shifting bacterial population in retinal diseases, particularly glaucoma, with the aim to identify the current direction of treatment and help direct future endeavors.
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Affiliation(s)
- Julie Chen
- Department of Ophthalmology, Schepens Eye Research Institute of Massachusetts Eye and Ear, Harvard Medical School, Boston, Massachusetts
| | - Dong Feng Chen
- Department of Ophthalmology, Schepens Eye Research Institute of Massachusetts Eye and Ear, Harvard Medical School, Boston, Massachusetts.
| | - Kin-Sang Cho
- Department of Ophthalmology, Schepens Eye Research Institute of Massachusetts Eye and Ear, Harvard Medical School, Boston, Massachusetts
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32
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Sun Y, Zhang S, Nie Q, He H, Tan H, Geng F, Ji H, Hu J, Nie S. Gut firmicutes: Relationship with dietary fiber and role in host homeostasis. Crit Rev Food Sci Nutr 2023; 63:12073-12088. [PMID: 35822206 DOI: 10.1080/10408398.2022.2098249] [Citation(s) in RCA: 34] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Firmicutes and Bacteroidetes are the predominant bacterial phyla colonizing the healthy human gut. Accumulating evidence suggests that dietary fiber plays a crucial role in host health, yet most studies have focused on how the dietary fiber affects health through gut Bacteroides. More recently, gut Firmicutes have been found to possess many genes responsible for fermenting dietary fiber, and could also interact with the intestinal mucosa and thereby contribute to homeostasis. Consequently, the relationship between dietary fiber and Firmicutes is of interest, as well as the role of Firmicutes in host health. In this review, we summarize the current knowledge regarding the molecular mechanism of dietary fiber degradation by gut Firmicutes and explain the communication pathway of the dietary fiber-Firmicutes-host axis, and the beneficial effects of dietary fiber-induced Firmicutes and their metabolites on health. A better understanding of the dialogue sustained by the dietary fiber-Firmicutes axis and the host could provide new insights into probiotic therapy and novel dietary interventions aimed at increasing the abundance of Firmicutes (such as Faecalibacterium, Lactobacillus, and Roseburia) to promote health.
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Affiliation(s)
- Yonggan Sun
- State Key Laboratory of Food Science and Technology, China-Canada Joint Lab of Food Science and Technology (Nanchang), Key laboratory of Bioactive Polysaccharides of Jiangxi Province, Nanchang University, Nanchang, China
| | - Shanshan Zhang
- State Key Laboratory of Food Science and Technology, China-Canada Joint Lab of Food Science and Technology (Nanchang), Key laboratory of Bioactive Polysaccharides of Jiangxi Province, Nanchang University, Nanchang, China
| | - Qixing Nie
- State Key Laboratory of Food Science and Technology, China-Canada Joint Lab of Food Science and Technology (Nanchang), Key laboratory of Bioactive Polysaccharides of Jiangxi Province, Nanchang University, Nanchang, China
| | - Huijun He
- State Key Laboratory of Food Science and Technology, China-Canada Joint Lab of Food Science and Technology (Nanchang), Key laboratory of Bioactive Polysaccharides of Jiangxi Province, Nanchang University, Nanchang, China
| | - Huizi Tan
- State Key Laboratory of Food Science and Technology, China-Canada Joint Lab of Food Science and Technology (Nanchang), Key laboratory of Bioactive Polysaccharides of Jiangxi Province, Nanchang University, Nanchang, China
| | - Fang Geng
- Key Laboratory of Coarse Cereal Processing (Ministry of Agriculture and Rural Affairs), School of Food and Biological Engineering, Chengdu University, Chengdu, China
| | - Haihua Ji
- State Key Laboratory of Food Science and Technology, China-Canada Joint Lab of Food Science and Technology (Nanchang), Key laboratory of Bioactive Polysaccharides of Jiangxi Province, Nanchang University, Nanchang, China
| | - Jielun Hu
- State Key Laboratory of Food Science and Technology, China-Canada Joint Lab of Food Science and Technology (Nanchang), Key laboratory of Bioactive Polysaccharides of Jiangxi Province, Nanchang University, Nanchang, China
| | - Shaoping Nie
- State Key Laboratory of Food Science and Technology, China-Canada Joint Lab of Food Science and Technology (Nanchang), Key laboratory of Bioactive Polysaccharides of Jiangxi Province, Nanchang University, Nanchang, China
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33
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Hu S, Gao K, Jiao Y, Yuan Z. Glycolysis characteristics of intracellular polysaccharides from Agaricus bitorquis (Quél.) sacc. Chaidam and its effects on intestinal flora from different altitudes of mice in vitro fermentation. Food Res Int 2023; 173:113382. [PMID: 37803720 DOI: 10.1016/j.foodres.2023.113382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 08/13/2023] [Accepted: 08/16/2023] [Indexed: 10/08/2023]
Abstract
The glycolysis characteristics and effects on intestinal flora of polysaccharides from Agaricus bitorquis (Quél.) Sacc. Chaidam (ABIPs) in vitro fermentation by different altitudes of mice feces was examined, including low, medium, and high altitudes groups (LG, MG, and HG). In vitro, fermentation of ABIPs forty-eight hours resulted in a remarkable decrease in total sugar content and improvement of short-chain fatty acids (SCFAs) (mainly acetate, propionate, and butyrate), which simultaneously induced the composition of monose and uronic acids and SCFAs continuously change. Besides, ABIPs influenced the abundance and composition of the intestinal flora, generally increasing the abundance of probiotic bacteria (such as Bifidobacterium and Faecalibacterium) and decreasing the abundance of harmful bacteria (such as Phenylobacterium and Streptococcus) in all groups, with the highland biology core genus Blautia significantly enriched in LG and MG groups. It was also found that ABIPs enhanced pathways associated with biosynthesis and metabolism. In addition, correlation analysis speculated that the metabolism of SCFAs by ABIPs may be associated with genera such as Anaerostipes, Roseburia, and Weissella. ABIPs may protect organismal health by regulating hypoxic intestinal flora composition and metabolic function, and more superior fermentation performance was observed in MG compared to other groups.
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Affiliation(s)
- Shicheng Hu
- College of Agriculture and Animal Husbandry, Qinghai University, Qinghai 810016, China
| | - Ke Gao
- College of Agriculture and Animal Husbandry, Qinghai University, Qinghai 810016, China
| | - Yingchun Jiao
- College of Agriculture and Animal Husbandry, Qinghai University, Qinghai 810016, China
| | - Zhenzhen Yuan
- College of Agriculture and Animal Husbandry, Qinghai University, Qinghai 810016, China.
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34
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Zahavi L, Lavon A, Reicher L, Shoer S, Godneva A, Leviatan S, Rein M, Weissbrod O, Weinberger A, Segal E. Bacterial SNPs in the human gut microbiome associate with host BMI. Nat Med 2023; 29:2785-2792. [PMID: 37919437 PMCID: PMC10999242 DOI: 10.1038/s41591-023-02599-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2022] [Accepted: 09/19/2023] [Indexed: 11/04/2023]
Abstract
Genome-wide association studies (GWASs) have provided numerous associations between human single-nucleotide polymorphisms (SNPs) and health traits. Likewise, metagenome-wide association studies (MWASs) between bacterial SNPs and human traits can suggest mechanistic links, but very few such studies have been done thus far. In this study, we devised an MWAS framework to detect SNPs and associate them with host phenotypes systematically. We recruited and obtained gut metagenomic samples from a cohort of 7,190 healthy individuals and discovered 1,358 statistically significant associations between a bacterial SNP and host body mass index (BMI), from which we distilled 40 independent associations. Most of these associations were unexplained by diet, medications or physical exercise, and 17 replicated in a geographically independent cohort. We uncovered BMI-associated SNPs in 27 bacterial species, and 12 of them showed no association by standard relative abundance analysis. We revealed a BMI association of an SNP in a potentially inflammatory pathway of Bilophila wadsworthia as well as of a group of SNPs in a region coding for energy metabolism functions in a Faecalibacterium prausnitzii genome. Our results demonstrate the importance of considering nucleotide-level diversity in microbiome studies and pave the way toward improved understanding of interpersonal microbiome differences and their potential health implications.
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Affiliation(s)
- Liron Zahavi
- Department of Computer Science and Applied Mathematics, Weizmann Institute of Science, Rehovot, Israel
- Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot, Israel
| | - Amit Lavon
- Department of Computer Science and Applied Mathematics, Weizmann Institute of Science, Rehovot, Israel
- Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot, Israel
| | - Lee Reicher
- Department of Computer Science and Applied Mathematics, Weizmann Institute of Science, Rehovot, Israel
- Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot, Israel
- Lis Maternity and Women's Hospital, Tel Aviv Sourasky Medical Center, Tel Aviv University (affiliated with Sackler Faculty of Medicine), Tel Aviv, Israel
| | - Saar Shoer
- Department of Computer Science and Applied Mathematics, Weizmann Institute of Science, Rehovot, Israel
- Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot, Israel
| | - Anastasia Godneva
- Department of Computer Science and Applied Mathematics, Weizmann Institute of Science, Rehovot, Israel
- Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot, Israel
| | - Sigal Leviatan
- Department of Computer Science and Applied Mathematics, Weizmann Institute of Science, Rehovot, Israel
- Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot, Israel
| | - Michal Rein
- Department of Computer Science and Applied Mathematics, Weizmann Institute of Science, Rehovot, Israel
- Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot, Israel
| | | | - Adina Weinberger
- Department of Computer Science and Applied Mathematics, Weizmann Institute of Science, Rehovot, Israel
- Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot, Israel
| | - Eran Segal
- Department of Computer Science and Applied Mathematics, Weizmann Institute of Science, Rehovot, Israel.
- Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot, Israel.
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35
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Amini Khiabani S, Haghighat S, Tayebi Khosroshahi H, Asgharzadeh M, Samadi Kafil H. Diversity of Bacteroidaceae family in gut microbiota of patients with chronic kidney disease and end stage renal disease. Health Promot Perspect 2023; 13:237-242. [PMID: 37808937 PMCID: PMC10558969 DOI: 10.34172/hpp.2023.29] [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: 07/18/2023] [Accepted: 07/29/2023] [Indexed: 10/10/2023] Open
Abstract
Background Human intestine microbiota are known to be directly and indirectly altered during some diseases such as kidney complications. Bacteroides is considered as the main and the most abundant phylum among human gut microbiota, which has been classified as enterotype 1. This study aimed to assess the abundance of Bacteroides spp. in fecal flora of end-stage renal disease (ESRD) and chronic kidney disease (CKD) patients and compare it with the Bacteroides composition among fecal flora of healthy individual. Methods Fresh fecal samples were collected from 20 CKD/ESRD patients and 20 healthy individual without any kidney complications. The pure microbial DNA was extracted by QIAamp Stool Mini Kit from stool samples. MiSeq system was used to analyze the intestinal composition by next generation sequencing method. Results A number of 651 bacterial strains were isolated and identified from 40 fecal samples of both patients and healthy groups. Bioinformatics analysis defined 18 different types of Bacteroides species which included 2.76% of all strains. Statistical analysis showed no significant difference between study groups (P>0.05). In both healthy and patient groups three species including B. dorei, B. uniformis, and B. ovatus have allocated the most abundance to themselves. The lowest abundance was related to B. eggerthii, A. furcosa and B. barnesiae among CKD/ESRD patients and A. furcosa, B. barnesiae, and B. coprocola had the lowest abundance among healthy people. Conclusion This study indicates despite all previous evidence of Bacteroides role in gut microbiota, it had no different distribution between healthy persons and CKD/ESRD patients.
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Affiliation(s)
- Siamak Amini Khiabani
- Department of Microbiology, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Setareh Haghighat
- Department of Microbiology, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Hamid Tayebi Khosroshahi
- Research Center for Pharmaceutical Nanotechnology, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Asgharzadeh
- Biotechnology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hossein Samadi Kafil
- Drug Applied Research Center, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
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36
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Eickhardt-Dalbøge CS, Ingham AC, Nielsen HV, Fuursted K, Stensvold CR, Andersen LO, Larsen MK, Kjær L, Christensen SF, Knudsen TA, Skov V, Ellervik C, Olsen LR, Hasselbalch HC, Elmer Christensen JJ, Nielsen XC. Pronounced gut microbiota signatures in patients with JAK2V617F-positive essential thrombocythemia. Microbiol Spectr 2023; 11:e0066223. [PMID: 37695126 PMCID: PMC10581245 DOI: 10.1128/spectrum.00662-23] [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: 02/13/2023] [Accepted: 07/18/2023] [Indexed: 09/12/2023] Open
Abstract
Essential thrombocythemia (ET) is part of the Philadelphia chromosome-negative myeloproliferative neoplasms. It is characterized by an increased risk of thromboembolic events and also to a certain degree hypermetabolic symptoms. The gut microbiota is an important initiator of hematopoiesis and regulation of the immune system, but in patients with ET, where inflammation is a hallmark of the disease, it is vastly unexplored. In this study, we compared the gut microbiota via amplicon-based 16S rRNA gene sequencing of the V3-V4 region in 54 patients with ET according to mutation status Janus-kinase 2 (JAK2V617F)-positive vs JAK2V617F-negative patients with ET, and in 42 healthy controls (HCs). Gut microbiota richness was higher in patients with ET (median-observed richness, 283.5; range, 75-535) compared with HCs (median-observed richness, 191.5; range, 111-300; P < 0.001). Patients with ET had a different overall bacterial composition (beta diversity) than HCs (analysis of similarities [ANOSIM]; R = 0.063, P = 0.004). Patients with ET had a significantly lower relative abundance of taxa within the Firmicutes phylum compared with HCs (51% vs 59%, P = 0.03), and within that phylum, patients with ET also had a lower relative abundance of the genus Faecalibacterium (8% vs 15%, P < 0.001), an important immunoregulative bacterium. The microbiota signatures were more pronounced in patients harboring the JAK2V617F mutation, and highly similar to patients with polycythemia vera as previously described. These findings suggest that patients with ET may have an altered immune regulation; however, whether this dysregulation is induced in part by, or is itself inducing, an altered gut microbiota remains to be investigated. IMPORTANCE Essential thrombocythemia (ET) is a cancer characterized by thrombocyte overproduction. Inflammation has been shown to be vital in both the initiation and progression of other myeloproliferative neoplasms, and it is well known that the gut microbiota is important in the regulation of our immune system. However, the gut microbiota of patients with ET remains uninvestigated. In this study, we characterized the gut microbiota of patients with ET compared with healthy controls and thereby provide new insights into the field. We show that the gut microbiota of patients with ET differs significantly from that of healthy controls and the patients with ET have a lower relative abundance of important immunoregulative bacteria. Furthermore, we demonstrate that patients with JAK2V617F-positive ET have pronounced gut microbiota signatures compared with JAK2V617F-negative patients. Thereby confirming the importance of the underlying mutation, the immune response as well as the composition of the microbiota.
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Affiliation(s)
- Christina Schjellerup Eickhardt-Dalbøge
- Regional Department of Clinical Microbiology, Zealand University Hospital, Koege, Denmark
- Department of Hematology, Zealand University Hospital, Roskilde, Denmark
- Department of Bacteria, Parasites and Fungi, Statens Serum Institut, Copenhagen, Denmark
| | - Anna Cäcilia Ingham
- Department of Bacteria, Parasites and Fungi, Statens Serum Institut, Copenhagen, Denmark
| | - Henrik V. Nielsen
- Department of Bacteria, Parasites and Fungi, Statens Serum Institut, Copenhagen, Denmark
| | - Kurt Fuursted
- Department of Bacteria, Parasites and Fungi, Statens Serum Institut, Copenhagen, Denmark
| | | | - Lee O'Brien Andersen
- Department of Bacteria, Parasites and Fungi, Statens Serum Institut, Copenhagen, Denmark
| | - Morten Kranker Larsen
- Department of Hematology, Zealand University Hospital, Roskilde, Denmark
- Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Lasse Kjær
- Department of Hematology, Zealand University Hospital, Roskilde, Denmark
| | | | - Trine Alma Knudsen
- Department of Hematology, Zealand University Hospital, Roskilde, Denmark
| | - Vibe Skov
- Department of Hematology, Zealand University Hospital, Roskilde, Denmark
| | - Christina Ellervik
- Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
- Department of Laboratory Medicine, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, USA
- Department of Data and Data Support, Region Zealand, Sorø, Denmark
| | - Lars Rønn Olsen
- Department of Health Technology, Technical University of Denmark, Lyngby, Denmark
| | - Hans Carl Hasselbalch
- Department of Hematology, Zealand University Hospital, Roskilde, Denmark
- Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Jens Jørgen Elmer Christensen
- Regional Department of Clinical Microbiology, Zealand University Hospital, Koege, Denmark
- Institute of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Xiaohui Chen Nielsen
- Regional Department of Clinical Microbiology, Zealand University Hospital, Koege, Denmark
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Yang M, Wang JH, Shin JH, Lee D, Lee SN, Seo JG, Shin JH, Nam YD, Kim H, Sun X. Pharmaceutical efficacy of novel human-origin Faecalibacterium prausnitzii strains on high-fat-diet-induced obesity and associated metabolic disorders in mice. Front Endocrinol (Lausanne) 2023; 14:1220044. [PMID: 37711887 PMCID: PMC10497875 DOI: 10.3389/fendo.2023.1220044] [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: 05/10/2023] [Accepted: 08/04/2023] [Indexed: 09/16/2023] Open
Abstract
Introduction Obesity and related metabolic issues are a growing global health concern. Recently, the discovery of new probiotics with anti-obesity properties has gained interest. Methods In this study, four Faecalibacte-rium prausnitzii strains were isolated from healthy human feces and evaluated on a high-fat diet-induced mouse model for 12 weeks. Results The F. prausnitzii strains reduced body weight gain, liver and fat weights, and calorie intake while improving lipid and glucose metabolism in the liver and adipose tissue, as evidenced by regulating lipid metabolism-associated gene expression, including ACC1, FAS, SREBP1c, leptin, and adiponectin. Moreover, the F. prausnitzii strains inhibited low-grade inflammation, restored gut integrity, and ameliorated hepatic function and insulin resistance. Interestingly, the F. prausnitzii strains modulated gut and neural hormone secretion and reduced appetite by affecting the gut-brain axis. Supplementation with F. prausnitzii strains noticeably changed the gut microbiota composition. Discussion In summary, the novel isolated F. prausnitzii strains have therapeutic effects on obesity and associated metabolic disorders through modulation of the gut-brain axis. Additionally, the effectiveness of different strains might not be achieved through identical mechanisms. Therefore, the present findings provide a reliable clue for developing novel therapeutic probiotics against obesity and associated metabolic disorders.
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Affiliation(s)
- Meng Yang
- Department of Nephrology, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, China
- Department of Rehabilitation Medicine of Korean Medicine, Dongguk University, Goyang-si, Republic of Korea
| | - Jing-Hua Wang
- Institute of Bioscience & Integrative Medicine, Daejeon University, Daejeon, Republic of Korea
| | - Joo-Hyun Shin
- R&D Center, Enterobiome Inc., Goyang-si, Republic of Korea
| | - Dokyung Lee
- R&D Center, Enterobiome Inc., Goyang-si, Republic of Korea
| | - Sang-Nam Lee
- R&D Center, Enterobiome Inc., Goyang-si, Republic of Korea
| | - Jae-Gu Seo
- R&D Center, Enterobiome Inc., Goyang-si, Republic of Korea
| | - Ji-Hee Shin
- Research Group of Healthcare, Korea Food Research Institute, Wanju-gun, Republic of Korea
| | - Young-Do Nam
- Research Group of Healthcare, Korea Food Research Institute, Wanju-gun, Republic of Korea
| | - Hojun Kim
- Department of Rehabilitation Medicine of Korean Medicine, Dongguk University, Goyang-si, Republic of Korea
| | - Xiaomin Sun
- Department of Nephrology, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, China
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Roggiani S, Zama D, D’Amico F, Rocca A, Fabbrini M, Totaro C, Pierantoni L, Brigidi P, Turroni S, Lanari M. Gut, oral, and nasopharyngeal microbiota dynamics in the clinical course of hospitalized infants with respiratory syncytial virus bronchiolitis. Front Cell Infect Microbiol 2023; 13:1193113. [PMID: 37680746 PMCID: PMC10482328 DOI: 10.3389/fcimb.2023.1193113] [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: 03/24/2023] [Accepted: 08/04/2023] [Indexed: 09/09/2023] Open
Abstract
Introduction Respiratory syncytial virus (RSV) is the most common cause of bronchiolitis and hospitalization in infants worldwide. The nasopharyngeal microbiota has been suggested to play a role in influencing the clinical course of RSV bronchiolitis, and some evidence has been provided regarding oral and gut microbiota. However, most studies have focused on a single timepoint, and none has investigated all three ecosystems at once. Methods Here, we simultaneously reconstructed the gut, oral and nasopharyngeal microbiota dynamics of 19 infants with RSV bronchiolitis in relation to the duration of hospitalization (more or less than 5 days). Fecal samples, oral swabs, and nasopharyngeal aspirates were collected at three timepoints (emergency room admission, discharge and six-month follow-up) and profiled by 16S rRNA amplicon sequencing. Results Interestingly, all ecosystems underwent rearrangements over time but with distinct configurations depending on the clinical course of bronchiolitis. In particular, infants hospitalized for longer showed early and persistent signatures of unhealthy microbiota in all ecosystems, i.e., an increased representation of pathobionts and a depletion of typical age-predicted commensals. Discussion Monitoring infant microbiota during RSV bronchiolitis and promptly reversing any dysbiotic features could be important for prognosis and long-term health.
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Affiliation(s)
- Sara Roggiani
- Microbiomics Unit, Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
| | - Daniele Zama
- Paediatric Emergency Unit, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Azienda Ospedaliero-Universitaria Di Bologna, Bologna, Italy
| | - Federica D’Amico
- Microbiomics Unit, Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
| | - Alessandro Rocca
- Paediatric Emergency Unit, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Azienda Ospedaliero-Universitaria Di Bologna, Bologna, Italy
| | - Marco Fabbrini
- Microbiomics Unit, Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
| | - Camilla Totaro
- Specialty School of Pediatrics, University of Bologna, Bologna, Italy
| | - Luca Pierantoni
- Paediatric Emergency Unit, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Azienda Ospedaliero-Universitaria Di Bologna, Bologna, Italy
| | - Patrizia Brigidi
- Microbiomics Unit, Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
| | - Silvia Turroni
- Unit of Microbiome Science and Biotechnology, Department of Pharmacy and Biotechnology, University of Bologna, Bologna, Italy
| | - Marcello Lanari
- Paediatric Emergency Unit, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Azienda Ospedaliero-Universitaria Di Bologna, Bologna, Italy
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Zhang L, Feng Z, Li Y, Lv C, Li C, Hu Y, Fu M, Song L. Salivary and fecal microbiota: potential new biomarkers for early screening of colorectal polyps. Front Microbiol 2023; 14:1182346. [PMID: 37655344 PMCID: PMC10467446 DOI: 10.3389/fmicb.2023.1182346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Accepted: 07/31/2023] [Indexed: 09/02/2023] Open
Abstract
Objective Gut microbiota plays an important role in colorectal cancer (CRC) pathogenesis through microbes and their metabolites, while oral pathogens are the major components of CRC-associated microbes. Multiple studies have identified gut and fecal microbiome-derived biomarkers for precursors lesions of CRC detection. However, few studies have used salivary samples to predict colorectal polyps. Therefore, in order to find new noninvasive colorectal polyp biomarkers, we searched into the differences in fecal and salivary microbiota between patients with colorectal polyps and healthy controls. Methods In this case-control study, we collected salivary and fecal samples from 33 patients with colorectal polyps (CP) and 22 healthy controls (HC) between May 2021 and November 2022. All samples were sequenced using full-length 16S rRNA sequencing and compared with the Nucleotide Sequence Database. The salivary and fecal microbiota signature of colorectal polyps was established by alpha and beta diversity, Linear discriminant analysis Effect Size (LEfSe) and random forest model analysis. In addition, the possibility of microbiota in identifying colorectal polyps was assessed by Receiver Operating Characteristic Curve (ROC). Results In comparison to the HC group, the CP group's microbial diversity increased in saliva and decreased in feces (p < 0.05), but there was no significantly difference in microbiota richness (p > 0.05). The principal coordinate analysis revealed significant differences in β-diversity of salivary and fecal microbiota between the CP and HC groups. Moreover, LEfSe analysis at the species level identified Porphyromonas gingivalis, Fusobacterium nucleatum, Leptotrichia wadei, Prevotella intermedia, and Megasphaera micronuciformis as the major contributors to the salivary microbiota, and Ruminococcus gnavus, Bacteroides ovatus, Parabacteroides distasonis, Citrobacter freundii, and Clostridium symbiosum to the fecal microbiota of patients with polyps. Salivary and fecal bacterial biomarkers showed Area Under ROC Curve of 0.8167 and 0.8051, respectively, which determined the potential of diagnostic markers in distinguishing patients with colorectal polyps from controls, and it increased to 0.8217 when salivary and fecal biomarkers were combined. Conclusion The composition and diversity of the salivary and fecal microbiota were significantly different in colorectal polyp patients compared to healthy controls, with an increased abundance of harmful bacteria and a decreased abundance of beneficial bacteria. A promising non-invasive tool for the detection of colorectal polyps can be provided by potential biomarkers based on the microbiota of the saliva and feces.
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Affiliation(s)
- Limin Zhang
- Department of Stomatology, Shanghai Fifth People’s Hospital, Fudan University, Shanghai, China
| | - Ziying Feng
- Department of Stomatology, Shanghai Fifth People’s Hospital, Fudan University, Shanghai, China
| | - Yinghua Li
- Central Laboratory, Shanghai Fifth People’s Hospital, Fudan University, Shanghai, China
| | - Cuiting Lv
- Central Laboratory, Shanghai Fifth People’s Hospital, Fudan University, Shanghai, China
| | - Chunchun Li
- Department of Stomatology, Shanghai Fifth People’s Hospital, Fudan University, Shanghai, China
| | - Yue Hu
- Department of Stomatology, Shanghai Fifth People’s Hospital, Fudan University, Shanghai, China
| | - Mingsheng Fu
- Department of Gastroenterology, Shanghai Fifth People’s Hospital, Fudan University, Shanghai, China
| | - Liang Song
- Department of Stomatology, Shanghai Fifth People’s Hospital, Fudan University, Shanghai, China
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Mignini I, Ainora ME, Di Francesco S, Galasso L, Gasbarrini A, Zocco MA. Tumorigenesis in Inflammatory Bowel Disease: Microbiota-Environment Interconnections. Cancers (Basel) 2023; 15:3200. [PMID: 37370812 DOI: 10.3390/cancers15123200] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Revised: 06/09/2023] [Accepted: 06/13/2023] [Indexed: 06/29/2023] Open
Abstract
Colo-rectal cancer (CRC) is undoubtedly one of the most severe complications of inflammatory bowel diseases (IBD). While sporadic CRC develops from a typical adenoma-carcinoma sequence, IBD-related CRC follows different and less understood pathways and its pathophysiological mechanisms were not completely elucidated. In contrast to chronic inflammation, which is nowadays a well-recognised drive towards neoplastic transformation in IBD, only recently was gut microbiota demonstrated to interfere with both inflammation processes and immune-mediated anticancer surveillance. Moreover, the role of microbiota appears particularly complex and intriguing when also considering its multifaceted interactions with multiple environmental stimuli, notably chronic pathologies such as diabetes and obesity, lifestyle (diet, smoking) and vitamin intake. In this review, we presented a comprehensive overview on current evidence of the influence of gut microbiota on IBD-related CRC, in particular its mutual interconnections with the environment.
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Affiliation(s)
- Irene Mignini
- CEMAD Digestive Diseases Center, Fondazione Policlinico Universitario "A. Gemelli" IRCCS, Università Cattolica del Sacro Cuore, Largo A. Gemelli, 8, 00168 Rome, Italy
| | - Maria Elena Ainora
- CEMAD Digestive Diseases Center, Fondazione Policlinico Universitario "A. Gemelli" IRCCS, Università Cattolica del Sacro Cuore, Largo A. Gemelli, 8, 00168 Rome, Italy
| | - Silvino Di Francesco
- CEMAD Digestive Diseases Center, Fondazione Policlinico Universitario "A. Gemelli" IRCCS, Università Cattolica del Sacro Cuore, Largo A. Gemelli, 8, 00168 Rome, Italy
| | - Linda Galasso
- CEMAD Digestive Diseases Center, Fondazione Policlinico Universitario "A. Gemelli" IRCCS, Università Cattolica del Sacro Cuore, Largo A. Gemelli, 8, 00168 Rome, Italy
| | - Antonio Gasbarrini
- CEMAD Digestive Diseases Center, Fondazione Policlinico Universitario "A. Gemelli" IRCCS, Università Cattolica del Sacro Cuore, Largo A. Gemelli, 8, 00168 Rome, Italy
| | - Maria Assunta Zocco
- CEMAD Digestive Diseases Center, Fondazione Policlinico Universitario "A. Gemelli" IRCCS, Università Cattolica del Sacro Cuore, Largo A. Gemelli, 8, 00168 Rome, Italy
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Frias H, Murga Valderrama NL, Flores GJ, Cornejo VG, Del Solar JC, Romani AC, Bardales W, Segura GT, Polveiro RC, Vieira DDS, Lopez Lapa RM, Maicelo Quintana JL. An analysis of the cecum microbiome of three breeds of the guinea pig: Andina, Inti, and Peru. Res Vet Sci 2023; 161:50-61. [PMID: 37321011 DOI: 10.1016/j.rvsc.2023.06.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 05/24/2023] [Accepted: 06/06/2023] [Indexed: 06/17/2023]
Abstract
This study investigated the effect of host genetics on the structure and composition of the cecum microbiota of three breeds of guinea pigs: Andina, Inti, and Peru. Fifteen guinea pigs were distributed into three groups according to their breed: Andina (5), Inti (5), and Peru (5). We discovered that four main phyla were shared between the three breeds: Bacteroidota, Firmicutes, Spirochaetota, and Synergistota. Although there were no significant differences in the alpha and beta diversity analysis, we found that the Linear discriminant analysis effect size and the heat tree analysis showed significant differences between the abundance of several taxa present in the cecum microbiome of the three breeds. These results suggest that host genetics could be a factor in the structure and composition of the guinea pig cecum microbiome. In addition, we found unique genera for each breed that have fermentation capacity and, therefore can be analyzed in further studies to determine if there is a functional relationship between them and the breed and its industrial profile.
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Affiliation(s)
- Hugo Frias
- Academic Department of Zootechnics, Faculty of Zootechnical Engineering, Agribusiness and Biotechnology, National University Toribio Rodríguez de Mendoza, Amazonas, Peru
| | - Nilton Luis Murga Valderrama
- Livestock and Biotechnology Research Institute, National University Toribio Rodríguez de Mendoza, Amazonas, Peru
| | - Gary J Flores
- Livestock and Biotechnology Research Institute, National University Toribio Rodríguez de Mendoza, Amazonas, Peru
| | - Victor G Cornejo
- Livestock and Biotechnology Research Institute, National University Toribio Rodríguez de Mendoza, Amazonas, Peru
| | - Jakson Ch Del Solar
- Livestock and Biotechnology Research Institute, National University Toribio Rodríguez de Mendoza, Amazonas, Peru
| | - Ana C Romani
- Livestock and Biotechnology Research Institute, National University Toribio Rodríguez de Mendoza, Amazonas, Peru
| | - William Bardales
- Laboratory of Infectious and Parasitic Diseases, Livestock and Biotechnology Research Institute, Faculty of Zootechnical Engineering, Agribusiness, and Biotechnology, National University Toribio Rodríguez de Mendoza, Amazonas, Peru
| | - G T Segura
- Livestock and Biotechnology Research Institute, National University Toribio Rodríguez de Mendoza, Amazonas, Peru
| | - Richard C Polveiro
- Laboratory of Bacterial Diseases, Sector of Preventive Veterinary Medicine and Public Health, Department of Veterinary, Universidade Federal de Viçosa, Viçosa, MG, Brazil
| | - Dielson da S Vieira
- Section of Infectious Diseases, Department of Internal Medicine, Yale University School of Medicine, New Haven, CT 06510, USA
| | - Rainer M Lopez Lapa
- Livestock and Biotechnology Research Institute, National University Toribio Rodríguez de Mendoza, Amazonas, Peru; Department of Public Health, Faculty of Health Sciences, National University Toribio Rodríguez de Mendoza de Amazonas, Chachapoyas, Peru.
| | - Jorge Luis Maicelo Quintana
- Livestock and Biotechnology Research Institute, National University Toribio Rodríguez de Mendoza, Amazonas, Peru
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Li Y, Liu G, Gong R, Xi Y. Gut Microbiome Dysbiosis in Patients with Endometrial Cancer vs. Healthy Controls Based on 16S rRNA Gene Sequencing. Curr Microbiol 2023; 80:239. [PMID: 37294364 DOI: 10.1007/s00284-023-03361-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Accepted: 06/02/2023] [Indexed: 06/10/2023]
Abstract
Metabolic diseases like obesity, diabetes, and hypertension are considered major risk factors associated with endometrial cancer. Considering that an imbalance in the gut microbiome may lead to metabolic alterations, we hypothesized that alteration in the gut microbioma might be an indirect factor in the development of endometrial cancer. Our aim was to profile the gut microbiota of patients with endometrial cancer compared with healthy controls in this study. Thus, we used 16S rRNA high-throughput gene sequencing on the Illumina NovaSeq platform to profile microbial communities. Fecal samples were collected from 33 endometrial cancer patients (EC group) and 32 healthy controls (N group) between February 2021 and July 2021. The total numbers of operational taxonomic units (OTUs) in the N and EC groups were 28,537 and 18,465, respectively, while the number of OTUs shared by the two groups was 4771. This study was the first to report that the alpha diversity of the gut microbiota was significantly reduced in endometrial cancer patients vs. healthy controls. Also, there was a significant difference in the distribution of microbiome between the two groups: the abundance of Firmicutes, Clostridia, Clostridiales, Ruminococcaceae, Faecalibacterium, and Gemmiger_formicis decreased, while that of Proteobacteria, Gammaproteobacteria, Enterobacteriales, Enterobacteriaceae and Shigella increased significantly in the EC group vs. healthy controls (all p < 0.05). The predominant intestinal microbiota of the endometrial cancer patients was Proteobacteria, Gammaproteobacteria, Enterobacteriales, Enterobacteriaceae, and Shigella. These results imply that adjusting the composition of the gut microbiota and maintaining microbiota homeostasis may be an effective strategy for preventing and treating endometrial cancer.
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Affiliation(s)
- Yue Li
- Department of Obstetrics and Gynecology, Dalian Municipal Women and Children's Medical Center (Group), No.1, Dunhuang Road, Shahekou District, Dalian, Liaoning, 116033, P.R. China
| | - Geng Liu
- Department of Obstetrics and Gynecology, Dalian Municipal Women and Children's Medical Center (Group), No.1, Dunhuang Road, Shahekou District, Dalian, Liaoning, 116033, P.R. China
| | - Runqi Gong
- Department of Obstetrics and Gynecology, Liaoning Provincial Hospital for women and children, Shenyang, Liaoning, 110004, P.R. China
| | - Yong Xi
- Department of Obstetrics and Gynecology, Dalian Municipal Women and Children's Medical Center (Group), No.1, Dunhuang Road, Shahekou District, Dalian, Liaoning, 116033, P.R. China.
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Sheykhsaran E, Abbasi A, Ebrahimzadeh Leylabadlo H, Sadeghi J, Mehri S, Naeimi Mazraeh F, Feizi H, Bannazadeh Baghi H. Gut microbiota and obesity: an overview of microbiota to microbial-based therapies. Postgrad Med J 2023; 99:384-402. [PMID: 37294712 DOI: 10.1136/postgradmedj-2021-141311] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Accepted: 01/15/2022] [Indexed: 12/14/2022]
Abstract
The increasing prevalence of obesity and overweight is a significant public concern throughout the world. Obesity is a complex disorder involving an excessive amount of body fat. It is not just a cosmetic concern. It is a medical challenge that increases the risk of other diseases and health circumstances, such as diabetes, heart disease, high blood pressure and certain cancers. Environmental and genetic factors are involved in obesity as a significant metabolic disorder along with diabetes. Gut microbiota (GM) has a high potential for energy harvesting from the diet. In the current review, we aim to consider the role of GM, gut dysbiosis and significant therapies to treat obesity. Dietary modifications, probiotics, prebiotics, synbiotics compounds, using faecal microbiota transplant, and other microbial-based therapies are the strategies to intervene in obesity reducing improvement. Each of these factors serves through various mechanisms including a variety of receptors and compounds to control body weight. Trial and animal investigations have indicated that GM can affect both sides of the energy-balancing equation; first, as an influencing factor for energy utilisation from the diet and also as an influencing factor that regulates the host genes and energy storage and expenditure. All the investigated articles declare the clear and inevitable role of GM in obesity. Overall, obesity and obesity-relevant metabolic disorders are characterised by specific modifications in the human microbiota's composition and functions. The emerging therapeutic methods display positive and promising effects; however, further research must be done to update and complete existing knowledge.
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Affiliation(s)
- Elham Sheykhsaran
- Immunology Research Centre, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Microbiology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
- Students' Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Amin Abbasi
- Student Research Committee, Department of Food Sciences and Technology Research Institute, Faculty of Nutrition Sciences and food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Javid Sadeghi
- Immunology Research Centre, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Microbiology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Samaneh Mehri
- Department of Biochemistry and structural Biology, University of Alabama, Birmingham, Alabama, USA
| | - Fariba Naeimi Mazraeh
- Department of Microbiology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
- Students' Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hadi Feizi
- Department of Microbiology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
- Students' Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hossein Bannazadeh Baghi
- Immunology Research Centre, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Microbiology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
- Infectious and Tropical Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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Minoretti P, Sigurtà C, Fachinetti A, Cerone E, Rotta F, Emanuele E. A Preliminary Study of Gut Microbiota in Airline Pilots: Comparison With Construction Workers and Fitness Instructors. Cureus 2023; 15:e39841. [PMID: 37397653 PMCID: PMC10314802 DOI: 10.7759/cureus.39841] [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] [Accepted: 06/01/2023] [Indexed: 07/04/2023] Open
Abstract
INTRODUCTION The term "WORKbiota" has been used to describe the impact of occupational exposure and work types on human microbiota composition. Airline pilots, construction workers, and fitness instructors encompass three diverse professional groups, each with distinct work environments and lifestyle factors that may significantly influence their intestinal "WORKbiota." OBJECTIVES The current preliminary investigation was aimed to compare the relative abundance of specific gut microbes among airline pilots, construction workers, and fitness instructors to shed light on any significant differences. By scrutinizing these diverse professional groups, our objective was to enhance our understanding of how occupational factors influence gut microbiota while identifying possible implications for occupational medicine. METHODS A convenience sample consisting of 60 men representing three different professional domains - airline pilots, construction workers, and fitness instructors (with 20 individuals in each group) - was selected during regular outpatient occupational health consultations. The abundance of selected gut microbiota constituents, including Escherichia coli, Methanobrevibacter smithii, Akkermansia muciniphila, Faecalibacterium prausnitzii, Lactobacillus spp., Bifidobacterium spp., and Bacteroides spp., was quantified using quantitative SYBR Green quantitative real-time polymerase chain reaction (qRT-PCR) in stool samples. RESULTS There were no significant variations among the groups concerning Escherichia coli, Methanobrevibacter smithii, Bifidobacterium spp., and Bacteroides spp. However, Lactobacillus spp. and Faecalibacterium prausnitzii were significantly more abundant in the microbiota of fitness instructors compared to both airline pilots and construction workers, with no significant differences observed between the latter two groups. Notably, the abundance of Akkermansia muciniphila demonstrated a progressive decline from fitness instructors to construction workers and ultimately to airline pilots, who exhibited the lowest levels. CONCLUSION Airline pilots' gut microbiota was characterized by a lower abundance of health-promoting bacterial species, including Lactobacillus spp., Faecalibacterium prausnitzii, and Akkermansia muciniphila. Future research is essential to determine whether targeted interventions, such as probiotic and prebiotic supplementation, could potentially enhance gut microbiota composition and overall health in particular occupational groups.
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Affiliation(s)
| | - Camilla Sigurtà
- Aviation Medicine, Cavok Medical Center, Lonate Pozzolo, ITA
| | - Anna Fachinetti
- Aviation Medicine, Cavok Medical Center, Lonate Pozzolo, ITA
| | | | - Fabio Rotta
- Aviation Medicine, Studio Minoretti, Oggiono, ITA
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Lee SY, Lee J, Park HM, Kim CH, Kim HR. Effect of preoperative immunonutrition on fecal microbiota in colon cancer patients: a secondary analysis of a randomized controlled trial. Nutr Res Pract 2023; 17:475-486. [PMID: 37266110 PMCID: PMC10232208 DOI: 10.4162/nrp.2023.17.3.475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 10/26/2022] [Accepted: 11/15/2022] [Indexed: 06/03/2023] Open
Abstract
BACKGROUND/OBJECTIVES This study aimed to evaluate the effect of preoperative immunonutrition on the composition of fecal microbiota following a colon cancer surgery. MATERIALS/METHODS This study was a secondary analysis of a randomized controlled trial assessing the impact of preoperative immunonutrition on the postoperative outcomes of colon cancer surgery. Patients with primary colon cancer were enrolled and randomly assigned to receive additional preoperative immunonutrition or a normal diet alone. Oral nutritional supplementation (400 mL/day) with arginine and ω-3 fatty acids were administered to patients in the immunonutrition group for 7 days prior to surgery. Thirty-two fecal samples were collected from 16 patients in each group, and the composition of fecal microbiota was compared between the 2 groups. RESULTS At the phylum level, no significant difference was observed in the composition of microbiota between the 2 groups (Firmicutes, 69.1% vs. 67.5%, P = 0.624; Bacteroidetes, 19.3% vs. 18.1%, P = 0.663; Actinobacteria, 6.7% vs. 10.6%, P = 0.080). The Firmicutes/Bacteroidetes ratio (4.43 ± 2.32 vs. 4.55 ± 2.51, P = 0.897) was also similar between the 2 groups. At the genus level, the proportions of beneficial bacteria such as Faecalibacterium spp. (8.1% vs. 6.4%, P = 0.328) and Prevotella spp. (6.9% vs. 4.8%, P = 0.331) were higher, while that of Clostridium spp. was lower (0.5% vs. 1.2%, P = 0.121) in the immunonutrition group, but the difference was not significant. CONCLUSIONS Immunonutrition showed no significant association with the composition of fecal microbiota. The relationship between immunonutrition and the fecal microbiota should be investigated further in large-scale studies.
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Affiliation(s)
- Soo Young Lee
- Department of Surgery, Chonnam National University Hwasun Hospital and Chonnam National University Medical School, Hwasun 58128, Korea
| | - Jaram Lee
- Department of Surgery, Chonnam National University Hwasun Hospital and Chonnam National University Medical School, Hwasun 58128, Korea
| | - Hyeong-min Park
- Department of Surgery, Chonnam National University Hwasun Hospital and Chonnam National University Medical School, Hwasun 58128, Korea
| | - Chang Hyun Kim
- Department of Surgery, Chonnam National University Hwasun Hospital and Chonnam National University Medical School, Hwasun 58128, Korea
| | - Hyeong Rok Kim
- Department of Surgery, Chonnam National University Hwasun Hospital and Chonnam National University Medical School, Hwasun 58128, Korea
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Ticinesi A, Parise A, Nouvenne A, Cerundolo N, Prati B, Meschi T. The possible role of gut microbiota dysbiosis in the pathophysiology of delirium in older persons. MICROBIOME RESEARCH REPORTS 2023; 2:19. [PMID: 38046817 PMCID: PMC10688815 DOI: 10.20517/mrr.2023.15] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 03/15/2023] [Accepted: 05/23/2023] [Indexed: 12/05/2023]
Abstract
Delirium is a clinical syndrome characterized by an acute change in attention, awareness and cognition with fluctuating course, frequently observed in older patients during hospitalization for acute medical illness or after surgery. Its pathogenesis is multifactorial and still not completely understood, but there is general consensus on the fact that it results from the interaction between an underlying predisposition, such as neurodegenerative diseases, and an acute stressor acting as a trigger, such as infection or anesthesia. Alterations in brain insulin sensitivity and metabolic function, increased blood-brain barrier permeability, neurotransmitter imbalances, abnormal microglial activation and neuroinflammation have all been involved in the pathophysiology of delirium. Interestingly, all these mechanisms can be regulated by the gut microbiota, as demonstrated in experimental studies investigating the microbiota-gut-brain axis in dementia. Aging is also associated with profound changes in gut microbiota composition and functions, which can influence several aspects of disease pathophysiology in the host. This review provides an overview of the emerging evidence linking age-related gut microbiota dysbiosis with delirium, opening new perspectives for the microbiota as a possible target of interventions aimed at delirium prevention and treatment.
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Affiliation(s)
- Andrea Ticinesi
- Microbiome Research Hub, University of Parma, Parma 43124, Italy
- Department of Medicine and Surgery, University of Parma, Parma 43126, Italy
- Geriatric-Rehabilitation Department, Azienda Ospedaliero-Universitaria di Parma, Parma 43126, Italy
| | - Alberto Parise
- Geriatric-Rehabilitation Department, Azienda Ospedaliero-Universitaria di Parma, Parma 43126, Italy
| | - Antonio Nouvenne
- Microbiome Research Hub, University of Parma, Parma 43124, Italy
- Geriatric-Rehabilitation Department, Azienda Ospedaliero-Universitaria di Parma, Parma 43126, Italy
| | - Nicoletta Cerundolo
- Geriatric-Rehabilitation Department, Azienda Ospedaliero-Universitaria di Parma, Parma 43126, Italy
| | - Beatrice Prati
- Geriatric-Rehabilitation Department, Azienda Ospedaliero-Universitaria di Parma, Parma 43126, Italy
| | - Tiziana Meschi
- Microbiome Research Hub, University of Parma, Parma 43124, Italy
- Department of Medicine and Surgery, University of Parma, Parma 43126, Italy
- Geriatric-Rehabilitation Department, Azienda Ospedaliero-Universitaria di Parma, Parma 43126, Italy
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Vallianou NG, Kounatidis D, Tsilingiris D, Panagopoulos F, Christodoulatos GS, Evangelopoulos A, Karampela I, Dalamaga M. The Role of Next-Generation Probiotics in Obesity and Obesity-Associated Disorders: Current Knowledge and Future Perspectives. Int J Mol Sci 2023; 24:ijms24076755. [PMID: 37047729 PMCID: PMC10095285 DOI: 10.3390/ijms24076755] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Revised: 03/31/2023] [Accepted: 04/03/2023] [Indexed: 04/08/2023] Open
Abstract
Obesity and obesity-associated disorders pose a major public health issue worldwide. Apart from conventional weight loss drugs, next-generation probiotics (NGPs) seem to be very promising as potential preventive and therapeutic agents against obesity. Candidate NGPs such as Akkermansia muciniphila, Faecalibacterium prausnitzii, Anaerobutyricum hallii, Bacteroides uniformis, Bacteroides coprocola, Parabacteroides distasonis, Parabacteroides goldsteinii, Hafnia alvei, Odoribacter laneus and Christensenella minuta have shown promise in preclinical models of obesity and obesity-associated disorders. Proposed mechanisms include the modulation of gut flora and amelioration of intestinal dysbiosis, improvement of intestinal barrier function, reduction in chronic low-grade inflammation and modulation of gut peptide secretion. Akkermansia muciniphila and Hafnia alvei have already been administered in overweight/obese patients with encouraging results. However, safety issues and strict regulations should be constantly implemented and updated. In this review, we aim to explore (1) current knowledge regarding NGPs; (2) their utility in obesity and obesity-associated disorders; (3) their safety profile; and (4) their therapeutic potential in individuals with overweight/obesity. More large-scale, multicentric and longitudinal studies are mandatory to explore their preventive and therapeutic potential against obesity and its related disorders.
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Affiliation(s)
- Natalia G. Vallianou
- Department of Internal Medicine, Evangelismos General Hospital, 45-47 Ipsilantou Street, 10676 Athens, Greece
| | - Dimitris Kounatidis
- Department of Internal Medicine, Evangelismos General Hospital, 45-47 Ipsilantou Street, 10676 Athens, Greece
| | - Dimitrios Tsilingiris
- First Department of Internal Medicine, University Hospital of Alexandroupolis, Democritus University of Thrace, 68100 Alexandroupolis, Greece
| | - Fotis Panagopoulos
- Department of Internal Medicine, Evangelismos General Hospital, 45-47 Ipsilantou Street, 10676 Athens, Greece
| | - Gerasimos Socrates Christodoulatos
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, 75 Mikras Asias Street, 11527 Athens, Greece
- Department of Microbiology, Sismanogleio General Hospital, 1 Sismanogleiou Street, 15126 Athens, Greece
| | - Angelos Evangelopoulos
- Roche Hellas Diagnostics S.A., 18-20 Amarousiou-Chalandriou Street, 15125 Athens, Greece
| | - Irene Karampela
- 2nd Department of Critical Care, Medical School, University of Athens, Attikon General University Hospital, 1 Rimini Street, 12462 Athens, Greece
| | - Maria Dalamaga
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, 75 Mikras Asias Street, 11527 Athens, Greece
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Wang XW, Sun Z, Jia H, Michel-Mata S, Angulo MT, Dai L, He X, Weiss ST, Liu YY. Identifying keystone species in microbial communities using deep learning. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.03.15.532858. [PMID: 36993659 PMCID: PMC10055077 DOI: 10.1101/2023.03.15.532858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
Previous studies suggested that microbial communities harbor keystone species whose removal can cause a dramatic shift in microbiome structure and functioning. Yet, an efficient method to systematically identify keystone species in microbial communities is still lacking. This is mainly due to our limited knowledge of microbial dynamics and the experimental and ethical difficulties of manipulating microbial communities. Here, we propose a Data-driven Keystone species Identification (DKI) framework based on deep learning to resolve this challenge. Our key idea is to implicitly learn the assembly rules of microbial communities from a particular habitat by training a deep learning model using microbiome samples collected from this habitat. The well-trained deep learning model enables us to quantify the community-specific keystoneness of each species in any microbiome sample from this habitat by conducting a thought experiment on species removal. We systematically validated this DKI framework using synthetic data generated from a classical population dynamics model in community ecology. We then applied DKI to analyze human gut, oral microbiome, soil, and coral microbiome data. We found that those taxa with high median keystoneness across different communities display strong community specificity, and many of them have been reported as keystone taxa in literature. The presented DKI framework demonstrates the power of machine learning in tackling a fundamental problem in community ecology, paving the way for the data-driven management of complex microbial communities.
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Hao SR, Zhang Z, Zhou YY, Zhang X, Sun WJ, Yang Z, Zhao JH, Jiang HY. Altered gut bacterial-fungal interkingdom networks in children and adolescents with depression. J Affect Disord 2023; 332:64-71. [PMID: 37003434 DOI: 10.1016/j.jad.2023.03.086] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/11/2023] [Revised: 03/21/2023] [Accepted: 03/26/2023] [Indexed: 04/03/2023]
Abstract
BACKGROUND Most studies of the gut-brain axis have focused on bacteria; little is known about commensal fungi. Children and adolescents with depression were reported to have gut bacterial microbiota dysbiosis, but the role of the mycobiota has not been evaluated. METHODS Faecal samples were obtained from 145 children and adolescents with depression and 110 age- and gender-matched healthy controls. We analysed the fungal microbiota, including in terms of their associations with the gut microbiota, and subjected the internal transcribed spacer 2 (ITS2) rRNA gene to mitochondrial sequencing. RESULTS Our findings revealed unaltered fungal diversity, but altered taxonomic composition, of the faecal fungal microbiota in the children and adolescents with depression. Key fungi such as Saccharomyces and Apiotrichum were enriched in the depressed patients, while Aspergillus and Xeromyces showed significantly decreased abundance. Interestingly, the bacterial-fungal interkingdom network was markedly altered in the children and adolescents with depression, and mycobiome profiles were associated with different bacterial microbiomes. LIMITATION The cross-sectional design precluded the establishment of a causal relationship between the gut mycobiota and the children and adolescents with depression. CONCLUSIONS The gut mycobiome is altered in the children and adolescents with depression. Our findings suggest that fungi play an important role in the balance of the gut microbiota and may help identify novel therapeutic targets for depression.
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Affiliation(s)
- Shao-Rui Hao
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Department of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou City, China.
| | - Zhe Zhang
- Department of Urology, College of Medicine, The First Affiliated Hospital, Zhejiang University, Hangzhou, China.
| | - Yuan-Yue Zhou
- Department of Medical Psychology, The First Affiliated Hospital, Hainan Medical University, Haikou City, Hainan, China; Department of Child and Adolescent Psychiatry, Hangzhou Seventh People's Hospital, Hangzhou City, Zhejiang, China
| | - Xue Zhang
- Department of Clinical Infectious Disease, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou City, China
| | - Wen-Jun Sun
- Shanghai Majorbio Bio-pharm Technology Co., Ltd, China.
| | - Zi Yang
- Shanghai Majorbio Bio-pharm Technology Co., Ltd, China.
| | - Jian-Hua Zhao
- Shanghai Majorbio Bio-pharm Technology Co., Ltd, China.
| | - Hai-Yin Jiang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Department of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou City, China.
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Echegaray N, Yilmaz B, Sharma H, Kumar M, Pateiro M, Ozogul F, Lorenzo JM. A novel approach to Lactiplantibacillus plantarum: From probiotic properties to the omics insights. Microbiol Res 2023; 268:127289. [PMID: 36571922 DOI: 10.1016/j.micres.2022.127289] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 10/24/2022] [Accepted: 12/15/2022] [Indexed: 12/24/2022]
Abstract
Lactiplantibacillus plantarum (previously known as Lactobacillus plantarum) strains are one of the lactic acid bacteria (LAB) commonly used in fermentation and their probiotic and functional properties along with their health-promoting roles come to the fore. Food-derived L. plantarum strains have shown good resistance and adhesion in the gastrointestinal tract (GI) and excellent antioxidant and antimicrobial properties. Furthermore, many strains of L. plantarum can produce bacteriocins with interesting antimicrobial activity. This probiotic properties of L. plantarum and existing in different niches give a great potential to have beneficial effects on health. It is also has been shown that L. plantarum can regulate the intestinal microbiota composition in a good way. Recently, omics approaches such as metabolomics, secretomics, proteomics, transcriptomics and genomics try to understand the roles and mechanisms of L. plantarum that are related to its functional characteristics. This review provides an overview of the probiotic properties, including the specific interactions between microbiota and host, and omics insights of L. plantarum.
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Affiliation(s)
- Noemí Echegaray
- Centro Tecnológico de la Carne de Galicia, Avda. Galicia nº 4, Parque Tecnológico de Galicia, San Cibrao das Viñas, 32900 Ourense, Spain
| | - Birsen Yilmaz
- Department of Nutrition and Dietetics, Cukurova University, Sarıcam, 01330 Adana, Turkey
| | - Heena Sharma
- Dairy Technology Division, ICAR-National Dairy Research Institute, Karnāl, Haryana, 132001, India
| | - Manoj Kumar
- Chemical and Biochemical Processing Division, Central Institute for Research on Cotton Technology, Mumbai 400019, India
| | - Mirian Pateiro
- Centro Tecnológico de la Carne de Galicia, Avda. Galicia nº 4, Parque Tecnológico de Galicia, San Cibrao das Viñas, 32900 Ourense, Spain
| | - Fatih Ozogul
- Department of Seafood Processing Technology, Faculty of Fisheries, Cukurova University, 01330, Adana, Turkey
| | - Jose Manuel Lorenzo
- Centro Tecnológico de la Carne de Galicia, Avda. Galicia nº 4, Parque Tecnológico de Galicia, San Cibrao das Viñas, 32900 Ourense, Spain; Universidade de Vigo, Área de Tecnoloxía dos Alimentos, Facultade de Ciencias de Ourense, 32004 Ourense, Spain.
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