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Changes to human faecal microbiota after international travel. Travel Med Infect Dis 2021; 44:102199. [PMID: 34781018 DOI: 10.1016/j.tmaid.2021.102199] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 11/01/2021] [Accepted: 11/03/2021] [Indexed: 02/08/2023]
Abstract
BACKGROUND The aim was to investigate whether travelling to less-resourced destinations influences the composition of faecal microbiota in generally healthy adults. METHOD In this prospective observational study, 47 adults (median age, 24 years; 73% females) travelled from Sweden to distant destinations for 1-12 weeks. Five faecal samples, two before and three after travel, were analysed by 16S amplicon massive parallel sequencing. Subjects had taken no antibiotics within three months of each sampling. RESULTS The overall composition of faecal microbiota was not affected by travel. However, when looking at the relative abundance of individual bacterial taxa, Enterobacteriaceae demonstrated a 10-fold increase immediately after the trip as compared to the samples taken before travelling. Conversely, the relative abundance of Christensenellaceae had decreased equally much. Both these changes were reversible within nine weeks. CONCLUSIONS International travel, even to less-resourced countries, did not appear to alter the overall diversity of human faecal microbiota as studied here after travelling. However, Enterobacteriaceae bacteria, often associated with infection, inflammation, and antibiotic resistance, showed dramatically elevated levels, and Christensenellaceae, frequently associated with healthy conditions, demonstrated remarkably declined levels in relative abundance as detected immediately after travel. Both these changes returned to original pre-travel levels within nine weeks.
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Zhao Q, Hou D, Fu Y, Xue Y, Guan X, Shen Q. Adzuki Bean Alleviates Obesity and Insulin Resistance Induced by a High-Fat Diet and Modulates Gut Microbiota in Mice. Nutrients 2021; 13:nu13093240. [PMID: 34579118 PMCID: PMC8466346 DOI: 10.3390/nu13093240] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 09/11/2021] [Accepted: 09/14/2021] [Indexed: 12/23/2022] Open
Abstract
Adzuki bean consumption has many health benefits, but its effects on obesity and regulating gut microbiota imbalances induced by a high-fat diet (HFD) have not been thoroughly studied. Mice were fed a low-fat diet, a HFD, and a HFD supplemented with 15% adzuki bean (HFD-AB) for 12 weeks. Adzuki bean supplementation significantly reduced obesity, lipid accumulation, and serum lipid and lipopolysaccharide (LPS) levels induced by HFD. It also mitigated liver function damage and hepatic steatosis. In particular, adzuki bean supplementation improved glucose homeostasis by increasing insulin sensitivity. In addition, it significantly reversed HFD-induced gut microbiota imbalances. Adzuki bean significantly reduced the ratio of Firmicutes/Bacteroidetes (F/B); enriched the occurrence of Bifidobacterium, Prevotellaceae, Ruminococcus_1, norank_f_Muribaculaceae, Alloprevotella, Muribaculum, Turicibacter, Lachnospiraceae_NK4A136_group, and Lachnoclostridium; and returned HFD-dependent taxa (Desulfovibrionaceae, Bilophila, Ruminiclostridium_9, Blautia, and Ruminiclostridium) back to normal status. PICRUSt2 analysis showed that the changes in gut microbiota induced by adzuki bean supplementation may be associated with the metabolism of carbohydrates, lipids, sulfur, and cysteine and methionine; and LPS biosynthesis; and valine, leucine, and isoleucine degradation.
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Affiliation(s)
- Qingyu Zhao
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; (Q.Z.); (D.H.); (Y.F.); (Y.X.)
- National Center of Technology Innovation (Deep Processing of Highland Barley) in Food Industry, Beijing 100083, China
- National Engineering Research Center for Fruit and Vegetable Processing, Beijing 100083, China
- Key Laboratory of Plant Protein and Grain Processing, Beijing 100083, China
| | - Dianzhi Hou
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; (Q.Z.); (D.H.); (Y.F.); (Y.X.)
- National Center of Technology Innovation (Deep Processing of Highland Barley) in Food Industry, Beijing 100083, China
- National Engineering Research Center for Fruit and Vegetable Processing, Beijing 100083, China
- Key Laboratory of Plant Protein and Grain Processing, Beijing 100083, China
| | - Yongxia Fu
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; (Q.Z.); (D.H.); (Y.F.); (Y.X.)
- National Center of Technology Innovation (Deep Processing of Highland Barley) in Food Industry, Beijing 100083, China
- National Engineering Research Center for Fruit and Vegetable Processing, Beijing 100083, China
- Key Laboratory of Plant Protein and Grain Processing, Beijing 100083, China
| | - Yong Xue
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; (Q.Z.); (D.H.); (Y.F.); (Y.X.)
- National Center of Technology Innovation (Deep Processing of Highland Barley) in Food Industry, Beijing 100083, China
- National Engineering Research Center for Fruit and Vegetable Processing, Beijing 100083, China
- Key Laboratory of Plant Protein and Grain Processing, Beijing 100083, China
| | - Xiao Guan
- School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China;
| | - Qun Shen
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; (Q.Z.); (D.H.); (Y.F.); (Y.X.)
- National Center of Technology Innovation (Deep Processing of Highland Barley) in Food Industry, Beijing 100083, China
- National Engineering Research Center for Fruit and Vegetable Processing, Beijing 100083, China
- Key Laboratory of Plant Protein and Grain Processing, Beijing 100083, China
- Correspondence: ; Tel.: +86-010-6273-7524
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53
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Genetic and environmental factors in Alzheimer's and Parkinson's diseases and promising therapeutic intervention via fecal microbiota transplantation. NPJ Parkinsons Dis 2021; 7:70. [PMID: 34381040 PMCID: PMC8357954 DOI: 10.1038/s41531-021-00213-7] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Accepted: 07/23/2021] [Indexed: 02/07/2023] Open
Abstract
Neurodegenerative diseases are characterized by neuronal impairment and loss of function, and with the major shared histopathological hallmarks of misfolding and aggregation of specific proteins inside or outside cells. Some genetic and environmental factors contribute to the promotion of the development and progression of neurodegenerative diseases. Currently, there are no effective treatments for neurodegenerative diseases. It has been revealed that bidirectional communication exists between the brain and the gut. The gut microbiota is a changeable and experience-dependent ecosystem and can be modified by genetic and environmental factors. The gut microbiota provides potential therapeutic targets that can be regulated as new interventions for neurodegenerative diseases. In this review, we discuss genetic and environmental risk factors for neurodegenerative diseases, summarize the communication among the components of the microbiota-gut-brain axis, and discuss the treatment strategy of fecal microbiota transplantation (FMT). FMT is a promising treatment for neurodegenerative diseases, and restoration of the gut microbiota to a premorbid state is a novel goal for prevention and treatment strategies.
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Bubier JA, Chesler EJ, Weinstock GM. Host genetic control of gut microbiome composition. Mamm Genome 2021; 32:263-281. [PMID: 34159422 PMCID: PMC8295090 DOI: 10.1007/s00335-021-09884-2] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Accepted: 04/07/2021] [Indexed: 02/07/2023]
Abstract
The gut microbiome plays a significant role in health and disease, and there is mounting evidence indicating that the microbial composition is regulated in part by host genetics. Heritability estimates for microbial abundance in mice and humans range from (0.05-0.45), indicating that 5-45% of inter-individual variation can be explained by genetics. Through twin studies, genetic association studies, systems genetics, and genome-wide association studies (GWAS), hundreds of specific host genetic loci have been shown to associate with the abundance of discrete gut microbes. Using genetically engineered knock-out mice, at least 30 specific genes have now been validated as having specific effects on the microbiome. The relationships among of host genetics, microbiome composition, and abundance, and disease is now beginning to be unraveled through experiments designed to test causality. The genetic control of disease and its relationship to the microbiome can manifest in multiple ways. First, a genetic variant may directly cause the disease phenotype, resulting in an altered microbiome as a consequence of the disease phenotype. Second, a genetic variant may alter gene expression in the host, which in turn alters the microbiome, producing the disease phenotype. Finally, the genetic variant may alter the microbiome directly, which can result in the disease phenotype. In order to understand the processes that underlie the onset and progression of certain diseases, future research must take into account the relationship among host genetics, microbiome, and disease phenotype, and the resources needed to study these relationships.
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Affiliation(s)
- Jason A Bubier
- The Jackson Laboratory for Mammalian Genetics, 600 Main Street, Bar Harbor, ME, 04609, USA.
| | - Elissa J Chesler
- The Jackson Laboratory for Mammalian Genetics, 600 Main Street, Bar Harbor, ME, 04609, USA
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Iwaki M, Kessoku T, Ozaki A, Kasai Y, Kobayashi T, Nogami A, Honda Y, Ogawa Y, Imajo K, Yoneda M, Maeda A, Tanaka Y, Nakajima S, Ohno H, Usuda H, Kawanaka M, Kawaguchi T, Torimura T, Kage M, Hyogo H, Takahashi H, Eguchi Y, Aishima S, Wada K, Kobayashi N, Sumida Y, Saito S, Nakajima A. Gut microbiota composition associated with hepatic fibrosis in non-obese patients with non-alcoholic fatty liver disease. J Gastroenterol Hepatol 2021; 36:2275-2284. [PMID: 33709477 DOI: 10.1111/jgh.15487] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 02/27/2021] [Accepted: 03/06/2021] [Indexed: 12/20/2022]
Abstract
BACKGROUND AND AIM Gut microbiota composition is associated with the pathogenesis of non-alcoholic fatty liver disease. However, the association between gut microbiota composition and non-alcoholic fatty liver disease in non-obese patients remains unclear. We compared clinical parameters and gut microbiota profiles of healthy controls and non-obese and obese patients with non-alcoholic fatty liver disease. METHODS We examined the clinical parameters and gut microbiota profiles by 16S rRNA sequences and short-chain fatty acid levels in fecal samples from 51 non-obese patients with non-alcoholic fatty liver disease (body mass index <25 kg/m2 ) and 51 obese patients with non-alcoholic fatty liver disease (body mass index ≥30 kg/m2 ) who underwent pathological examination and 87 controls at five hospitals in Japan. RESULTS Although no significant differences between the non-obese and other groups were observed in alpha diversity, a significant difference was found in beta diversity. We observed a significant decrease in serum alanine aminotransferase levels, Eubacterium population, and butyric acid levels in non-obese patients with non-alcoholic fatty liver disease compared with those in obese patients with non-alcoholic fatty liver disease. A significant negative correlation was found between the stage of hepatic fibrosis and Eubacterium abundance in non-obese patients with non-alcoholic fatty liver disease. CONCLUSIONS The decrease in the abundance of Eubacterium that produces butyric acid may play an important role in the development of non-alcoholic fatty liver disease in non-obese individuals. This study was registered at the University Hospital Medical Information Network clinical trial registration system (UMIN000020917).
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Affiliation(s)
- Michihiro Iwaki
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Yokohama City University, Yokohama, Japan
| | - Takaomi Kessoku
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Yokohama City University, Yokohama, Japan
| | - Anna Ozaki
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Yokohama City University, Yokohama, Japan
| | - Yuki Kasai
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Yokohama City University, Yokohama, Japan
| | - Takashi Kobayashi
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Yokohama City University, Yokohama, Japan
| | - Asako Nogami
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Yokohama City University, Yokohama, Japan
| | - Yasushi Honda
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Yokohama City University, Yokohama, Japan
| | - Yuji Ogawa
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Yokohama City University, Yokohama, Japan
| | - Kento Imajo
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Yokohama City University, Yokohama, Japan
| | - Masato Yoneda
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Yokohama City University, Yokohama, Japan
| | - Ayako Maeda
- Biofermin Pharmaceutical Co., Ltd, Kobe, Japan
| | | | | | | | - Haruki Usuda
- Department of Pharmacology, Faculty of Medicine, Shimane University, Izumo, Japan
| | - Miwa Kawanaka
- Department of General Internal Medicine 2, Kawasaki Medical Center, Kawasaki Medical School, Kurashiki, Japan
| | - Takumi Kawaguchi
- Division of Gastroenterology, Department of Medicine, School of Medicine, Kurume University, Kurume, Japan
| | - Takuji Torimura
- Division of Gastroenterology, Department of Medicine, School of Medicine, Kurume University, Kurume, Japan
| | - Masayoshi Kage
- Research Center for Innovative Cancer Therapy, Kurume University, Kurume, Japan
| | - Hideyuki Hyogo
- Department of Gastroenterology, JA Hiroshima Kouseiren General Hospital, Hatsukaichi, Japan
| | - Hirokazu Takahashi
- Division of Metabolism and Endocrinology, Faculty of Medicine, Saga University, Saga, Japan.,Liver Center, Saga University Hospital, Saga, Japan
| | | | - Shinichi Aishima
- Department of Pathology and Microbiology, Faculty of Medicine, Saga University, Saga, Japan
| | - Koichiro Wada
- Department of Pharmacology, Faculty of Medicine, Shimane University, Izumo, Japan
| | - Noritoshi Kobayashi
- Department of Oncology, Graduate School of Medicine, Yokohama City University, Yokohama, Japan
| | - Yoshio Sumida
- Division of Hepatology and Pancreatology, Department of Internal Medicine, School of Medicine, Aichi Medical University, Nagakute, Japan
| | - Satoru Saito
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Yokohama City University, Yokohama, Japan
| | - Atsushi Nakajima
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Yokohama City University, Yokohama, Japan
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Chen G, Chen D, Zhou W, Peng Y, Chen C, Shen W, Zeng X, Yuan Q. Improvement of Metabolic Syndrome in High-Fat Diet-Induced Mice by Yeast β-Glucan Is Linked to Inhibited Proliferation of Lactobacillus and Lactococcus in Gut Microbiota. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:7581-7592. [PMID: 34197112 DOI: 10.1021/acs.jafc.1c00866] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
There is growing evidence that prevention of metabolic syndrome (MS) by dietary fibers is intricately linked to gut microbiota. In the present work, the mice were fed a high-fat diet (HFD) and orally treated with yeast β-glucan to further examine the effects of β-glucan on MS and gut microbiota and the potential relationship between gut microbiota and its activity. After intervention for 10 weeks, it was found that the treatment of yeast β-glucan could significantly improve the HFD-induced MS. Furthermore, pro-inflammatory cytokines in plasma including IL-6 and IL-1β were decreased. Yeast β-glucan could regulate the diversity and composition of HFD-induced gut microbiota. Moreover, the relative abundances of Lactobacillus and Lactococcus, having significant positive correlation with metabolic changes, were decreased by β-glucan, which might play a critical role in attenuation of MS. Our findings suggest that yeast β-glucan shows promising application as a prebiotic for preventing MS and regulating gut microbiota.
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Affiliation(s)
- Guijie Chen
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, Jiangsu, China
| | - Dan Chen
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, Jiangsu, China
| | - Wangting Zhou
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, Jiangsu, China
| | - Yujia Peng
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, Jiangsu, China
| | - Chunxu Chen
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, Jiangsu, China
| | - Wenbiao Shen
- College of Life Sciences, Nanjing Agricultural University, Nanjing 210095, Jiangsu, China
| | - Xiaoxiong Zeng
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, Jiangsu, China
| | - Qingxia Yuan
- Institute of Marine Drugs, Guangxi University of Chinese Medicine, Nanning 530200, Guangxi, China
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Cunningham AL, Stephens JW, Harris DA. A review on gut microbiota: a central factor in the pathophysiology of obesity. Lipids Health Dis 2021; 20:65. [PMID: 34233682 PMCID: PMC8262044 DOI: 10.1186/s12944-021-01491-z] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Accepted: 06/17/2021] [Indexed: 12/13/2022] Open
Abstract
Obesity and its complications constitute a substantial burden. Considerable published research describes the novel relationships between obesity and gut microbiota communities. It is becoming evident that microbiota behave in a pivotal role in their ability to influence homeostatic mechanisms either to the benefit or detriment of host health, the extent of which is not fully understood. A greater understanding of the contribution of gut microbiota towards host pathophysiology is revealing new therapeutic avenues to tackle the global obesity epidemic. This review focuses on causal relationships and associations with obesity, proposed central mechanisms encouraging the development of obesity and promising prospective methods for microbiota manipulation.
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Affiliation(s)
- A L Cunningham
- Department of Surgery, Swansea Bay University Health Board, Swansea, SA2 8QA, UK. .,Swansea University Medical School, Swansea University, Swansea, SA2 8QA, UK.
| | - J W Stephens
- Swansea University Medical School, Swansea University, Swansea, SA2 8QA, UK
| | - D A Harris
- Department of Surgery, Swansea Bay University Health Board, Swansea, SA2 8QA, UK.,Swansea University Medical School, Swansea University, Swansea, SA2 8QA, UK
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58
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Rodríguez-Daza MC, Pulido-Mateos EC, Lupien-Meilleur J, Guyonnet D, Desjardins Y, Roy D. Polyphenol-Mediated Gut Microbiota Modulation: Toward Prebiotics and Further. Front Nutr 2021; 8:689456. [PMID: 34268328 PMCID: PMC8276758 DOI: 10.3389/fnut.2021.689456] [Citation(s) in RCA: 133] [Impact Index Per Article: 44.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Accepted: 05/27/2021] [Indexed: 12/11/2022] Open
Abstract
The genome of gut microbes encodes a collection of enzymes whose metabolic functions contribute to the bioavailability and bioactivity of unabsorbed (poly)phenols. Datasets from high throughput sequencing, metabolome measurements, and other omics have expanded the understanding of the different modes of actions by which (poly)phenols modulate the microbiome conferring health benefits to the host. Progress have been made to identify direct prebiotic effects of (poly)phenols; albeit up to date, these compounds are not recognized as prebiotics sensu stricto. Interestingly, certain probiotics strains have an enzymatic repertoire, such as tannase, α-L-rhamnosidase, and phenolic acid reductase, involved in the transformation of different (poly)phenols into bioactive phenolic metabolites. In vivo studies have demonstrated that these (poly)phenol-transforming bacteria thrive when provided with phenolic substrates. However, other taxonomically distinct gut symbionts of which a phenolic-metabolizing activity has not been demonstrated are still significantly promoted by (poly)phenols. This is the case of Akkermansia muciniphila, a so-called antiobesity bacterium, which responds positively to (poly)phenols and may be partially responsible for the health benefits formerly attributed to these molecules. We surmise that (poly)phenols broad antimicrobial action free ecological niches occupied by competing bacteria, thereby allowing the bloom of beneficial gut bacteria. This review explores the capacity of (poly)phenols to promote beneficial gut bacteria through their direct and collaborative bacterial utilization and their inhibitory action on potential pathogenic species. We propose the term duplibiotic, to describe an unabsorbed substrate modulating the gut microbiota by both antimicrobial and prebiotic modes of action. (Poly)phenol duplibiotic effect could participate in blunting metabolic disturbance and gut dysbiosis, positioning these compounds as dietary strategies with therapeutic potential.
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Affiliation(s)
- Maria Carolina Rodríguez-Daza
- Faculty of Agriculture and Food Sciences, Institute of Nutrition and Functional Foods (INAF), Laval University, Québec, QC, Canada.,Department of Food Science, Faculty of Agriculture and Food Sciences, Laval University, Québec, QC, Canada
| | - Elena C Pulido-Mateos
- Faculty of Agriculture and Food Sciences, Institute of Nutrition and Functional Foods (INAF), Laval University, Québec, QC, Canada.,Department of Food Science, Faculty of Agriculture and Food Sciences, Laval University, Québec, QC, Canada
| | - Joseph Lupien-Meilleur
- Faculty of Agriculture and Food Sciences, Institute of Nutrition and Functional Foods (INAF), Laval University, Québec, QC, Canada.,Department of Food Science, Faculty of Agriculture and Food Sciences, Laval University, Québec, QC, Canada
| | - Denis Guyonnet
- Diana Nova, Symrise Nutrition, Clichy-la-Garenne, France
| | - Yves Desjardins
- Faculty of Agriculture and Food Sciences, Institute of Nutrition and Functional Foods (INAF), Laval University, Québec, QC, Canada.,Department of Plant Science, Faculty of Agriculture and Food Sciences, Laval University, Québec, QC, Canada
| | - Denis Roy
- Faculty of Agriculture and Food Sciences, Institute of Nutrition and Functional Foods (INAF), Laval University, Québec, QC, Canada.,Department of Food Science, Faculty of Agriculture and Food Sciences, Laval University, Québec, QC, Canada
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Jie Z, Liang S, Ding Q, Li F, Tang S, Wang D, Lin Y, Chen P, Cai K, Qiu X, Li Q, Liao Y, Zhou D, Lian H, Zuo Y, Chen X, Rao W, Ren Y, Wang Y, Zi J, Wang R, Zhou H, Lu H, Wang X, Zhang W, Zhang T, Xiao L, Zong Y, Liu W, Yang H, Wang J, Hou Y, Liu X, Kristiansen K, Zhong H, Jia H, Xu X. A transomic cohort as a reference point for promoting a healthy human gut microbiome. MEDICINE IN MICROECOLOGY 2021. [DOI: 10.1016/j.medmic.2021.100039] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
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Liu Y, Gao Y, Ma F, Sun M, Mu G, Tuo Y. The ameliorative effect of Lactobacillus plantarum Y44 oral administration on inflammation and lipid metabolism in obese mice fed with a high fat diet. Food Funct 2021; 11:5024-5039. [PMID: 32530448 DOI: 10.1039/d0fo00439a] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
In our previous studies, Lactobacillus plantarum Y44 showed antioxidant activity and favorable gastric and intestinal transit tolerance. The purpose of this study is to determine whether L. plantarum Y44 could ameliorate intestinal inflammation and lipid metabolism disorder in obese mice fed with a high-fat diet. L. plantarum Y44 was administered by gavage to the mice fed with a high-fat diet for 12 weeks. The mice fed with a high fat diet only showed sustainably elevated body weight, liver lipid metabolism disorder, intestinal inflammation and a lower short chain fatty acid content in feces. Oral administration of L. plantarum Y44 regulated lipid metabolism disorder by inhibiting the expression of fatty acid synthase (FAS) and acetyl-CoA carboxylase (ACC) in the liver of obese mice, reducing the contents of total cholesterol (TC), triacylglycerols (TG), low density lipoprotein cholesterol (LDL-c), alanine aminotransferase (ALT), and aspartate transaminase (AST) and increasing the content of high-density lipoprotein cholesterol (HDL-c) in the serum of obese mice. Oral administration of L. plantarum Y44 up-regulated the expression of colon tight junction protein such as claudin-1 and occludin, down-regulated p38 and phospho-p38 levels and reduced serum interleukin-8 (IL-8) and tumor necrosis factor-α (TNF-α). Oral administration of L. plantarum Y44 increased Muribaculaceae, Rikenellaceae, and Lactobacillaceae levels, reduced the Firmicutes/Bacteroidetes ratio, and Desulfovibrionaceae and Proteobacteria levels in obese mice. Oral administration of L. plantarum Y44 also enhanced the contents of propionic acid, butyric acid, butanoicacid-3-methyl, pentanoic acid and acetic acid in the feces of the obese mice. Correlation analysis of Spearman revealed a significant correlation between changes in intestinal microflora and obesity-related symptoms. L. plantarum Y44 ameliorated intestinal inflammation and lipid metabolism disorders by modulating gut microbiota.
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Affiliation(s)
- Yujun Liu
- School of food science and technology, Dalian Polytechnic University, Dalian 116034, China.
| | - Yuan Gao
- School of food science and technology, Dalian Polytechnic University, Dalian 116034, China. and Dalian probiotics function research key laboratory, Dalian Polytechnic University, Dalian 116034, China
| | - Fenglian Ma
- School of food science and technology, Dalian Polytechnic University, Dalian 116034, China. and Dalian probiotics function research key laboratory, Dalian Polytechnic University, Dalian 116034, China
| | - Mengying Sun
- School of food science and technology, Dalian Polytechnic University, Dalian 116034, China. and Dalian probiotics function research key laboratory, Dalian Polytechnic University, Dalian 116034, China
| | - Guangqing Mu
- School of food science and technology, Dalian Polytechnic University, Dalian 116034, China. and Dalian probiotics function research key laboratory, Dalian Polytechnic University, Dalian 116034, China
| | - Yanfeng Tuo
- School of food science and technology, Dalian Polytechnic University, Dalian 116034, China. and Dalian probiotics function research key laboratory, Dalian Polytechnic University, Dalian 116034, China
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61
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Zhou H, Yu B, Sun J, Liu Z, Chen H, Ge L, Chen D. Short-chain fatty acids can improve lipid and glucose metabolism independently of the pig gut microbiota. J Anim Sci Biotechnol 2021; 12:61. [PMID: 33952344 PMCID: PMC8101156 DOI: 10.1186/s40104-021-00581-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Accepted: 03/08/2021] [Indexed: 01/04/2023] Open
Abstract
BACKGROUND Previous studies have shown that exogenous short-chain fatty acids (SCFAs) introduction attenuated the body fat deposition in conventional mice and pigs. However, limited studies have evaluated the effects of exogenously introduced SCFAs on the lipid and glucose metabolism independently of the gut microbiota. This study was to investigate the effects of exogenous introduction of SCFAs on the lipid and glucose metabolism in a germ-free (GF) pig model. METHODS Twelve hysterectomy-derived newborn pigs were reared in six sterile isolators. All pigs were hand-fed with sterile milk powder for 21 d, then the sterile feed was introduced to pigs for another 21 d. In the second 21-d period, six pigs were orally administrated with 25 mL/kg sterile saline per day and considered as the GF group, while the other six pigs were orally administrated with 25 mL/kg SCFAs mixture (acetic, propionic, and butyric acids, 45, 15, and 11 mmol/L, respectively) per day and regarded as FA group. RESULTS Orally administrated with SCFAs tended to increase the adiponectin concentration in serum, enhance the CPT-1 activity in longissimus dorsi, and upregulate the ANGPTL4 mRNA expression level in colon (P < 0.10). Meanwhile, the mRNA abundances of ACC, FAS, and SREBP-1C in liver and CD36 in longissimus dorsi of the FA group were decreased (P < 0.05) compared with those in the GF group. Besides, the mRNA expression of PGC-1α in liver and LPL in longissimus dorsi tended to (P < 0.10) upregulate and downregulate respectively in the FA group. Moreover, oral administration of SCFAs tended to increase the protein level of GPR43 (P < 0.10) and decrease the protein level of ACC (P < 0.10) in liver. Also, oral administration of SCFAs upregulated the p-AMPK/AMPK ratio and the mRNA expressions of GLUT-2 and GYS2 in liver (P < 0.05). In addition, the metabolic pathway associated with the biosynthesis of unsaturated fatty acids was most significantly promoted (P < 0.05) by oral administration of SCFAs. CONCLUSIONS Exogenous introduction of SCFAs might attenuate the fat deposition and to some extent improve the glucose control in the pig model, which occurred independently of the gut microbiota.
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Affiliation(s)
- Hua Zhou
- Key Laboratory of Animal Disease-Resistance Nutrition, Chengdu, 611130 Sichuan China
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130 Sichuan China
| | - Bing Yu
- Key Laboratory of Animal Disease-Resistance Nutrition, Chengdu, 611130 Sichuan China
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130 Sichuan China
| | - Jing Sun
- Key Laboratory of Pig Industry Sciences, Rongchang, 402460 Chongqing China
- Chongqing Academy of Animal Sciences, Rongchang, 402460 Chongqing China
| | - Zuohua Liu
- Key Laboratory of Pig Industry Sciences, Rongchang, 402460 Chongqing China
- Chongqing Academy of Animal Sciences, Rongchang, 402460 Chongqing China
| | - Hong Chen
- College of Food Science, Sichuan Agricultural University, Ya’an, 625014 Sichuan China
| | - Liangpeng Ge
- Key Laboratory of Pig Industry Sciences, Rongchang, 402460 Chongqing China
- Chongqing Academy of Animal Sciences, Rongchang, 402460 Chongqing China
| | - Daiwen Chen
- Key Laboratory of Animal Disease-Resistance Nutrition, Chengdu, 611130 Sichuan China
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130 Sichuan China
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Host-microbial interactions in the metabolism of different dietary fats. Cell Metab 2021; 33:857-872. [PMID: 33951472 DOI: 10.1016/j.cmet.2021.04.011] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 03/29/2021] [Accepted: 04/14/2021] [Indexed: 02/06/2023]
Abstract
Although generally presumed to be isocaloric, dietary fats can differ in their energetic contributions and metabolic effects. Here, we show how an explicit consideration of the gut microbiome and its interactions with human physiology can enrich our understanding of dietary fat metabolism. We outline how variable human metabolic responses to different dietary fats, such as altered ileal digestibility or bile acid production, have downstream effects on the gut microbiome that differentially promote energy gain and inflammation. By incorporating host-microbial interactions into energetic models of human nutrition, we can achieve greater insight into the underlying mechanisms of diet-driven metabolic disease.
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Zhao L, Zhu X, Xia M, Li J, Guo AY, Zhu Y, Yang X. Quercetin Ameliorates Gut Microbiota Dysbiosis That Drives Hypothalamic Damage and Hepatic Lipogenesis in Monosodium Glutamate-Induced Abdominal Obesity. Front Nutr 2021; 8:671353. [PMID: 33996881 PMCID: PMC8116593 DOI: 10.3389/fnut.2021.671353] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Accepted: 04/01/2021] [Indexed: 12/12/2022] Open
Abstract
Monosodium glutamate (MSG)-induced abdominal obesity, conventionally caused by hypothalamic damage, is a critical risk factor for health problem. Microbiota-gut-brain axis plays important roles in a variety of metabolic diseases. However, whether gut microbiota is involved in the pathogenesis for MSG-induced abdominal obesity and the effect of quercetin on it remains unclear. Herein, we find that MSG-induced gut microbiota dysbiosis contributes to neuronal damage in the hypothalamus, as indicated by antibiotics-induced microbiota depletion and co-house treatment. Inspired by this finding, we investigate the mechanism in-depth for MSG-induced abdominal obesity. Liver transcriptome profiling shows retinol metabolism disorder in MSG-induced abdominal obese mice. In which, retinol saturase (RetSat) in the liver is notably up-regulated, and the downstream lipogenesis is correspondingly elevated. Importantly, microbiota depletion or co-house treatment eliminates the difference of RetSat expression in the liver, indicating gut microbiota changes are responsible for liver retinol metabolism disorder. Moreover, this study finds dietary quercetin could modulate MSG-induced gut microbiota dysbiosis, alleviate hypothalamic damage and down-regulate liver RetSat expression, thus ameliorating abdominal obesity. Our study enriches the pathogenesis of MSG-induced abdominal obesity and provides a prebiotic agent to ameliorate abdominal obesity.
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Affiliation(s)
- Lijun Zhao
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, China
| | - Xiaoqiang Zhu
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, China
| | - Mengxuan Xia
- Key Laboratory of Molecular Biophysics of the Ministry of Education, Department of Bioinformatics and Systems Biology, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, China
| | - Jing Li
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, China
| | - An-Yuan Guo
- Key Laboratory of Molecular Biophysics of the Ministry of Education, Department of Bioinformatics and Systems Biology, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, China
| | - Yanhong Zhu
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, China
| | - Xiangliang Yang
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, China
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64
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Wasti S, Sah N, Singh AK, Lee CN, Jha R, Mishra B. Dietary supplementation of dried plum: a novel strategy to mitigate heat stress in broiler chickens. J Anim Sci Biotechnol 2021; 12:58. [PMID: 33781340 PMCID: PMC8008564 DOI: 10.1186/s40104-021-00571-5] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Accepted: 02/17/2021] [Indexed: 12/14/2022] Open
Abstract
Background Heat stress is a significant problem in the poultry industry, causing a severe economic loss due to its detrimental effects on chickens’ health and performance. Dried plum (DP) is a good source of minerals, vitamins, antioxidants, and phenolic compounds. Studies have suggested that DP has several health benefits, such as maintaining the body’s redox system, immune status, and calcium hemostasis. Based on the health benefits of DP, we hypothesized that the dietary supplementation of DP would alleviate the detrimental effects of heat stress on broiler chickens. Results To test the hypothesis, day-old broiler chicks (n = 72) were randomly allocated to three treatment groups (n = 24/group): no heat stress (NHS), heat stress (HS), and heat stress with dried plum (HS + DP), and reared under standard conditions. The inclusion of 2.5% DP in the feed of the HS + DP group was made during the treatment period, while birds in other groups were provided with a standard finisher diet. After 21 days, birds in the HS and HS + DP groups were exposed to cyclic heat stress conditions (33 °C for 8 h during daytime) for 3 weeks, while those in the NHS group were reared under normal conditions (22–24 °C). Weekly body weight and feed intake were recorded to calculate the average daily gain (ADG), average daily feed intake (ADFI), and feed conversion ratio (FCR). Heat stress significantly decreased the final body weight, ADG, ADFI, and increased FCR compared to the NHS group, whereas dietary supplementation of DP significantly improved these growth performance parameters compared to the HS group. Furthermore, supplementation of DP significantly increased the expression of heat shock protein-related genes (HSF1, HSF3, HSP70, and HSP90), antioxidant-related genes (SOD1, SOD2, GPX1, GPX3, PRDX1, and TXN), tight junction-related genes (CLDN1, and OCLN), and immune-related genes (IL4, MUC2) in the ileum as compared to the HS group. The microbiota analysis showed significant enrichment of Bacillales, Christensenellaceae, Bacillaceae, Peptostreptococcaceae, and Anaerotruncus in heat-stressed birds supplemented with DP as compared to the HS group. Further, DP supplementation also significantly increased the concentration of acetate, propionate, and total VFA in the cecal digesta of the HS + DP group as compared to the HS group. Conclusion These findings suggest that DP supplementation effectively improved the growth performances and gut health parameters in the heat-stressed birds. Thus, dried plum can be a potential feed supplement to mitigate heat stress in broiler chickens. Supplementary Information The online version contains supplementary material available at 10.1186/s40104-021-00571-5.
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Affiliation(s)
- Sanjeev Wasti
- Department of Human Nutrition Food and Animal Sciences, University of Hawaii at Manoa, Honolulu, HI, 96822, USA
| | - Nirvay Sah
- Department of Human Nutrition Food and Animal Sciences, University of Hawaii at Manoa, Honolulu, HI, 96822, USA
| | - Amit K Singh
- Department of Human Nutrition Food and Animal Sciences, University of Hawaii at Manoa, Honolulu, HI, 96822, USA
| | - Chin N Lee
- Department of Human Nutrition Food and Animal Sciences, University of Hawaii at Manoa, Honolulu, HI, 96822, USA
| | - Rajesh Jha
- Department of Human Nutrition Food and Animal Sciences, University of Hawaii at Manoa, Honolulu, HI, 96822, USA
| | - Birendra Mishra
- Department of Human Nutrition Food and Animal Sciences, University of Hawaii at Manoa, Honolulu, HI, 96822, USA.
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65
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Liao S, Long X, Zou Y, Liu F, Li Q. Mulberry leaf phenolics and fiber exert anti-obesity through the gut microbiota-host metabolism pathway. J Food Sci 2021; 86:1432-1447. [PMID: 33761137 DOI: 10.1111/1750-3841.15679] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 02/03/2021] [Accepted: 02/09/2021] [Indexed: 12/16/2022]
Abstract
The effect of mulberry leaf powder and components on preventing obesity and regulating lipid metabolism were investigated in the present study. The mechanism of action was explored by examining the gut microbiota and lipid metabolism-related signaling pathways. As evidenced by the nutritional obesity rats model experiments, the middle concentration mulberry leaf powder (MLP) group (0.8 g/kg·d) significantly reduced Lee's index (25.1, compared with model control group [MC] 25.7) and had the strongest lipid metabolism regulation effect. Furthermore, the suppression effects of different mulberry leaf components on nutritional obesity were compared and the mulberry leaf phenolics and fiber mixture (Mulberry leaf mixture [MLM]) group (0.6 g/kg·d) was found to have the strongest efficacy (body weight [BW] reduced 12.4%). Real time PCR (RT-qPCR) and western blot analyses demonstrated that MLP (0.8 g/kg·d) and its components inhibited adipocyte differentiation and triglyceride synthesis through the PPAR-γ- C/EBP-α signaling pathway, resulting in lipid metabolism regulation. Gut microbiota analysis indicated that MLM (0.6 g/kg·d) prevented the reduction in intestinal flora diversity (reach 491 species) caused by high-energy feed, and reduced the Firmicutes/Bacteroidetes ratio (to 7.99%) and the obesity associated flora, Lachnospiraceae (to 19.1%), whereas it improved the content of the beneficial flora, Lactobacilli, Lactobacillus_johnsonii (reach 11.77%). MLM improved the bioaccessibility and bioavailability of the two functional components (phenolics and fiber) and maximized the anti-obesity effect through the gut microbiota-host metabolism pathway. PRACTICAL APPLICATION: The anti-obesity and lipid metabolism regulation effect of mulberry leaf components were evaluated in this study. The fiber and phenolics of this plant have the potential for development of weight-loss functional foods.
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Affiliation(s)
- Sentai Liao
- Guangdong Academy of Agricultural Sciences, Sericultural & Agri-Food Research Institute/Key Laboratory of Functional Foods, Ministry of Agriculture and Rural Affairs/Guangdong Key Laboratory of Agricultural Products Processing, Guangzhou, 510610, China
| | - Xiaoshan Long
- Guangdong Academy of Agricultural Sciences, Sericultural & Agri-Food Research Institute/Key Laboratory of Functional Foods, Ministry of Agriculture and Rural Affairs/Guangdong Key Laboratory of Agricultural Products Processing, Guangzhou, 510610, China
| | - Yuxiao Zou
- Guangdong Academy of Agricultural Sciences, Sericultural & Agri-Food Research Institute/Key Laboratory of Functional Foods, Ministry of Agriculture and Rural Affairs/Guangdong Key Laboratory of Agricultural Products Processing, Guangzhou, 510610, China
| | - Fan Liu
- Guangdong Academy of Agricultural Sciences, Sericultural & Agri-Food Research Institute/Key Laboratory of Functional Foods, Ministry of Agriculture and Rural Affairs/Guangdong Key Laboratory of Agricultural Products Processing, Guangzhou, 510610, China
| | - Qian Li
- Guangdong Academy of Agricultural Sciences, Sericultural & Agri-Food Research Institute/Key Laboratory of Functional Foods, Ministry of Agriculture and Rural Affairs/Guangdong Key Laboratory of Agricultural Products Processing, Guangzhou, 510610, China
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66
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Alvarez-Silva C, Kashani A, Hansen TH, Pinna NK, Anjana RM, Dutta A, Saxena S, Støy J, Kampmann U, Nielsen T, Jørgensen T, Gnanaprakash V, Gnanavadivel R, Sukumaran A, Rani CSS, Færch K, Radha V, Balasubramanyam M, Nair GB, Das B, Vestergaard H, Hansen T, Mande SS, Mohan V, Arumugam M, Pedersen O. Trans-ethnic gut microbiota signatures of type 2 diabetes in Denmark and India. Genome Med 2021; 13:37. [PMID: 33658058 PMCID: PMC7931542 DOI: 10.1186/s13073-021-00856-4] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Accepted: 02/12/2021] [Indexed: 12/15/2022] Open
Abstract
Background Type 2 diabetes (T2D), a multifactorial disease influenced by host genetics and environmental factors, is the most common endocrine disease. Several studies have shown that the gut microbiota as a close-up environmental mediator influences host physiology including metabolism. The aim of the present study is to examine the compositional and functional potential of the gut microbiota across individuals from Denmark and South India with a focus on T2D. Many earlier studies have investigated the microbiome aspects of T2D, and it has also been anticipated that such microbial associations would be dependent on diet and ethnic origin. However, there has been no large scale trans-ethnic microbiome study earlier in this direction aimed at evaluating any “universal” microbiome signature of T2D. Methods 16S ribosomal RNA gene amplicon sequencing was performed on stool samples from 279 Danish and 294 Indian study participants. Any differences between the gut microbiota of both populations were explored using diversity measures and negative binomial Wald tests. Study samples were stratified to discover global and country-specific microbial signatures for T2D and treatment with the anti-hyperglycemic drug, metformin. To identify taxonomical and functional signatures of the gut microbiota for T2D and metformin treatment, we used alpha and beta diversity measures and differential abundances analysis, comparing metformin-naive T2D patients, metformin-treated T2D patients, and normoglycemic individuals. Results Overall, the gut microbial communities of Danes and Indians are compositionally very different. By analyzing the combined study materials, we identify microbial taxonomic and functional signatures for T2D and metformin treatment. T2D patients have an increased relative abundance of two operational taxonomic units (OTUs) from the Lachnospiraceae family, and a decreased abundance of Subdoligranulum and Butyricicoccus. Studying each population per se, we identified T2D-related microbial changes at the taxonomic level within the Danish population only. Alpha diversity indices show that there is no significant difference between normoglycemic individuals and metformin-naive T2D patients, whereas microbial richness is significantly decreased in metformin-treated T2D patients compared to metformin-naive T2D patients and normoglycemic individuals. Enrichment of two OTUs from Bacteroides and depletion of Faecalibacterium constitute a trans-ethnic signature of metformin treatment. Conclusions We demonstrate major compositional differences of the gut microbiota between Danish and South Indian individuals, some of which may relate to differences in ethnicity, lifestyle, and demography. By comparing metformin-naive T2D patients and normoglycemic individuals, we identify T2D-related microbiota changes in the Danish and Indian study samples. In the present trans-ethnic study, we confirm that metformin changes the taxonomic profile and functional potential of the gut microbiota. Supplementary Information The online version contains supplementary material available at 10.1186/s13073-021-00856-4.
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Affiliation(s)
- Camila Alvarez-Silva
- Novo Nordisk Foundation Center for Basic Metabolic Research, University of Copenhagen, Blegdamsvej 3B, DK-2200, Copenhagen N, Denmark
| | - Alireza Kashani
- Novo Nordisk Foundation Center for Basic Metabolic Research, University of Copenhagen, Blegdamsvej 3B, DK-2200, Copenhagen N, Denmark.,Danish Academy of Diabetes, Odense University Hospital, DK-5000 Odense C, Kløvervænget 6, Odense, Denmark
| | - Tue Haldor Hansen
- Novo Nordisk Foundation Center for Basic Metabolic Research, University of Copenhagen, Blegdamsvej 3B, DK-2200, Copenhagen N, Denmark.,Department of Cardiology and Endocrinology, Slagelse Hospital, Slagelse, Denmark
| | - Nishal Kumar Pinna
- TCS Research, Tata Consultancy Services Limited, 54B Hadapsar Industrial Estate, Pune, 411013, India
| | - Ranjit Mohan Anjana
- Madras Diabetes Research Foundation, No. 4, Conran Smith Road, Gopalapuram, Chennai, 600 086, India
| | - Anirban Dutta
- TCS Research, Tata Consultancy Services Limited, 54B Hadapsar Industrial Estate, Pune, 411013, India
| | - Shruti Saxena
- Molecular Genetics Laboratory, Infections and Immunology, Translational Health Science and Technology Institute, NCR Biotech Science Cluster, Faridabad, 121001, India
| | - Julie Støy
- Steno Diabetes Center Aarhus, Aarhus Universitetshospital, Hedeager 3, 2. sal, Aarhus, 8200, Denmark
| | - Ulla Kampmann
- Steno Diabetes Center Aarhus, Aarhus Universitetshospital, Hedeager 3, 2. sal, Aarhus, 8200, Denmark
| | - Trine Nielsen
- Danish Academy of Diabetes, Odense University Hospital, DK-5000 Odense C, Kløvervænget 6, Odense, Denmark
| | - Torben Jørgensen
- Center for Clinical Research and Prevention, Bispebjerg and Frederiksberg Hospitals, University of Copenhagen, Copenhagen, Denmark
| | - Visvanathan Gnanaprakash
- Madras Diabetes Research Foundation, No. 4, Conran Smith Road, Gopalapuram, Chennai, 600 086, India
| | - Rameshkumar Gnanavadivel
- Madras Diabetes Research Foundation, No. 4, Conran Smith Road, Gopalapuram, Chennai, 600 086, India
| | - Aswath Sukumaran
- Madras Diabetes Research Foundation, No. 4, Conran Smith Road, Gopalapuram, Chennai, 600 086, India
| | | | - Kristine Færch
- Steno Diabetes Center Aarhus, Aarhus Universitetshospital, Hedeager 3, 2. sal, Aarhus, 8200, Denmark
| | - Venkatesan Radha
- Madras Diabetes Research Foundation, No. 4, Conran Smith Road, Gopalapuram, Chennai, 600 086, India
| | | | - Gopinath Balakrish Nair
- Molecular Genetics Laboratory, Infections and Immunology, Translational Health Science and Technology Institute, NCR Biotech Science Cluster, Faridabad, 121001, India
| | - Bhabatosh Das
- Molecular Genetics Laboratory, Infections and Immunology, Translational Health Science and Technology Institute, NCR Biotech Science Cluster, Faridabad, 121001, India
| | - Henrik Vestergaard
- Novo Nordisk Foundation Center for Basic Metabolic Research, University of Copenhagen, Blegdamsvej 3B, DK-2200, Copenhagen N, Denmark
| | - Torben Hansen
- Novo Nordisk Foundation Center for Basic Metabolic Research, University of Copenhagen, Blegdamsvej 3B, DK-2200, Copenhagen N, Denmark
| | - Sharmila Shekhar Mande
- TCS Research, Tata Consultancy Services Limited, 54B Hadapsar Industrial Estate, Pune, 411013, India.
| | - Viswanathan Mohan
- Madras Diabetes Research Foundation, No. 4, Conran Smith Road, Gopalapuram, Chennai, 600 086, India.
| | - Manimozhiyan Arumugam
- Novo Nordisk Foundation Center for Basic Metabolic Research, University of Copenhagen, Blegdamsvej 3B, DK-2200, Copenhagen N, Denmark. .,Faculty of Health Sciences, University of Southern Denmark, Odense, Denmark.
| | - Oluf Pedersen
- Novo Nordisk Foundation Center for Basic Metabolic Research, University of Copenhagen, Blegdamsvej 3B, DK-2200, Copenhagen N, Denmark.
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67
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Feng L, Zhou J, Zhang L, Liu P, Zheng P, Gao S, Song C, Yu Y, Gong Z, Wan X. Gut microbiota-mediated improvement of metabolic disorders by Qingzhuan tea in high fat diet-fed mice. J Funct Foods 2021. [DOI: 10.1016/j.jff.2021.104366] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
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68
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Davidson GL, Somers SE, Wiley N, Johnson CN, Reichert MS, Ross RP, Stanton C, Quinn JL. A time-lagged association between the gut microbiome, nestling weight and nestling survival in wild great tits. J Anim Ecol 2021; 90:989-1003. [PMID: 33481278 DOI: 10.1111/1365-2656.13428] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Accepted: 12/21/2020] [Indexed: 01/04/2023]
Abstract
Natal body mass is a key predictor of viability and fitness in many animals. While variation in body mass and therefore juvenile viability may be explained by genetic and environmental factors, emerging evidence points to the gut microbiota as an important factor influencing host health. The gut microbiota is known to change during development, but it remains unclear whether the microbiome predicts fitness, and if it does, at which developmental stage it affects fitness traits. We collected data on two traits associated with fitness in wild nestling great tits Parus major: weight and survival to fledging. We characterised the gut microbiome using 16S rRNA sequencing from nestling faeces and investigated temporal associations between the gut microbiome and fitness traits across development at Day-8 (D8) and Day-15 (D15) post-hatching. We also explored whether particular microbial taxa were 'indicator species' that reflected whether nestlings survived or not. There was no link between mass and microbial diversity on D8 or D15. However, we detected a time-lagged relationship where weight at D15 was negatively associated with the microbial diversity at D8, controlling for weight at D8, therefore reflecting relative weight gain over the intervening period. Indicator species analysis revealed that specificity values were high and fidelity values were low, suggesting that indicator taxa were primarily detected within either the survived or not survived groups, but not always detected in birds that either survived or died. Therefore these indicator taxa may be sufficient, but not necessary for determining either survival or mortality, perhaps owing to functional overlap in microbiota. We highlight that measuring microbiome-fitness relationships at just one time point may be misleading, especially early in life. Instead, microbial-host fitness effects may be best investigated longitudinally to detect critical development windows for key microbiota and host traits associated with neonatal weight. Our findings should inform future hypothesis testing to pinpoint which features of the gut microbial community impact on host fitness, and when during development this occurs. Such confirmatory research will shed light on population level processes and could have the potential to support conservation.
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Affiliation(s)
- Gabrielle L Davidson
- School of Biological, Earth and Environmental Sciences, University College Cork, Cork, Ireland.,Department of Psychology, University of Cambridge, Cambridge, UK
| | - Shane E Somers
- School of Biological, Earth and Environmental Sciences, University College Cork, Cork, Ireland
| | - Niamh Wiley
- APC Microbiome Ireland, University College Cork, Cork, Ireland.,Teagasc Food Research Centre, Moorepark, Ireland
| | - Crystal N Johnson
- APC Microbiome Ireland, University College Cork, Cork, Ireland.,Teagasc Food Research Centre, Moorepark, Ireland
| | - Michael S Reichert
- School of Biological, Earth and Environmental Sciences, University College Cork, Cork, Ireland.,Department of Integrative Biology, Oklahoma State University, Stillwater, OK, USA
| | - R Paul Ross
- APC Microbiome Ireland, University College Cork, Cork, Ireland.,Teagasc Food Research Centre, Moorepark, Ireland
| | - Catherine Stanton
- APC Microbiome Ireland, University College Cork, Cork, Ireland.,Teagasc Food Research Centre, Moorepark, Ireland
| | - John L Quinn
- School of Biological, Earth and Environmental Sciences, University College Cork, Cork, Ireland.,Environmental Research Institute, University College Cork, Cork, Ireland
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Microbiome connections with host metabolism and habitual diet from 1,098 deeply phenotyped individuals. Nat Med 2021; 27:321-332. [PMID: 33432175 PMCID: PMC8353542 DOI: 10.1038/s41591-020-01183-8] [Citation(s) in RCA: 432] [Impact Index Per Article: 144.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Accepted: 11/16/2020] [Indexed: 02/07/2023]
Abstract
The gut microbiome is shaped by diet and influences host metabolism; however, these links are complex and can be unique to each individual. We performed deep metagenomic sequencing of 1,203 gut microbiomes from 1,098 individuals enrolled in the Personalised Responses to Dietary Composition Trial (PREDICT 1) study, whose detailed long-term diet information, as well as hundreds of fasting and same-meal postprandial cardiometabolic blood marker measurements were available. We found many significant associations between microbes and specific nutrients, foods, food groups and general dietary indices, which were driven especially by the presence and diversity of healthy and plant-based foods. Microbial biomarkers of obesity were reproducible across external publicly available cohorts and in agreement with circulating blood metabolites that are indicators of cardiovascular disease risk. While some microbes, such as Prevotella copri and Blastocystis spp., were indicators of favorable postprandial glucose metabolism, overall microbiome composition was predictive for a large panel of cardiometabolic blood markers including fasting and postprandial glycemic, lipemic and inflammatory indices. The panel of intestinal species associated with healthy dietary habits overlapped with those associated with favorable cardiometabolic and postprandial markers, indicating that our large-scale resource can potentially stratify the gut microbiome into generalizable health levels in individuals without clinically manifest disease.
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70
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Morel S, Delvin E, Marcil V, Levy E. Intestinal Dysbiosis and Development of Cardiometabolic Disorders in Childhood Cancer Survivors: A Critical Review. Antioxid Redox Signal 2021; 34:223-251. [PMID: 32390455 DOI: 10.1089/ars.2020.8102] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Significance: Survivors of pediatric cancers have a high risk of developing side effects after the end of their treatments. Many potential factors have been associated with the onset of cardiometabolic disorders (CMD), including cancer disease itself, chemotherapy, hormonal treatment, radiotherapy, and genetics. However, the precise etiology and underlying mechanisms of these long-term complications are poorly understood. Recent Advances: Greater awareness is currently paid to the role of microbiota in the emergence of cancers and modulation of cancer therapies in both children and adults. Alterations in the composition and diversity of intestinal microbiota can clearly influence tumor development and progression as well as immune responses and clinical output. As dysbiosis is closely linked to the development of host metabolic diseases, including obesity, metabolic syndrome, type 2 diabetes, and non-alcoholic fatty liver disease, it may increase the risk of CMD in cancer populations. Critical Issues: Only limited studies targeting the profile of intestinal dysbiosis before and after cancer treatment have been conducted. Further, the exact contribution of intestinal dysbiosis to the development of CMD in cancer survivors is poorly appreciated. This review intends to clarify the influence of gut microbiota on CMD in childhood cancer survivors, elucidate the potential mechanisms, and evaluate the latest research on the interplay between diet/food supplement, microbiota, and cancer-related CMD. Future Directions: The implication of intestinal dysbiosis in late metabolic complications of childhood cancer survivors should be clarified. Intervention strategies could be developed to reduce the risk of survivors to CMD. Antioxid. Redox Signal. 34, 223-251.
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Affiliation(s)
- Sophia Morel
- Research Centre, Sainte-Justine University Hospital Health Center, Université de Montréal, Montreal, Canada.,Department of Nutrition and Université de Montréal, Montreal, Canada
| | - Edgard Delvin
- Research Centre, Sainte-Justine University Hospital Health Center, Université de Montréal, Montreal, Canada
| | - Valérie Marcil
- Research Centre, Sainte-Justine University Hospital Health Center, Université de Montréal, Montreal, Canada.,Department of Nutrition and Université de Montréal, Montreal, Canada
| | - Emile Levy
- Research Centre, Sainte-Justine University Hospital Health Center, Université de Montréal, Montreal, Canada.,Department of Nutrition and Université de Montréal, Montreal, Canada.,Department of Pediatrics, Université de Montréal, Montreal, Canada
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Hullar MAJ, Jenkins IC, Randolph TW, Curtis KR, Monroe KR, Ernst T, Shepherd JA, Stram DO, Cheng I, Kristal BS, Wilkens LR, Franke A, Le Marchand L, Lim U, Lampe JW. Associations of the gut microbiome with hepatic adiposity in the Multiethnic Cohort Adiposity Phenotype Study. Gut Microbes 2021; 13:1965463. [PMID: 34491886 PMCID: PMC8425768 DOI: 10.1080/19490976.2021.1965463] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 07/09/2021] [Accepted: 07/27/2021] [Indexed: 02/04/2023] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) is a risk factor for liver cancer and prevalence varies by ethnicity. Along with genetic and lifestyle factors, the gut microbiome (GM) may contribute to NAFLD and its progression to advanced liver disease. Our cross-sectional analysis assessed the association of the GM with hepatic adiposity among African American, Japanese American, White, Latino, and Native Hawaiian participants in the Multiethnic Cohort. We used MRI to measure liver fat and determine nonalcoholic fatty liver disease (NAFLD) status (n = 511 cases) in 1,544 participants, aged 60-77 years, with 12-53% overall adiposity (BMI of 17.8-46.2 kg/m2). The GM was measured by 16S rRNA gene sequencing and, on a subset, by metagenomic sequencing. Alpha diversity was lower overall with NAFLD and in certain ethnicities (African Americans, Whites, and Latinos). In models regressing genus on NAFLD status, 62 of 149 genera (40%) exhibited a significant interaction between NAFLD and ethnicity stratified analysis found 69 genera significantly associated with NAFLD in at least one ethnic group. No single genus was significantly associated with NAFLD across all ethnicities. In contrast, the same bacterial metabolic pathways were over-represented in participants with NAFLD regardless of ethnicity. Imputed secondary bile acid and carbohydrate pathways were associated with NAFLD, the latter of which was corroborated by metagenomics, although different genera in different ethnicities were associated with these pathways. Overall, we found that NAFLD was associated with altered bacterial composition and metabolism, and that bacterial endotoxin, assessed by plasma lipopolysaccharide binding protein (LBP), may mediate liver fat-associated systemic inflammation in a manner that seems to vary by ethnicity.
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Affiliation(s)
- Meredith A. J. Hullar
- Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, Washington, U.S.A
| | - Isaac C. Jenkins
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, U.S.A
| | - Timothy W. Randolph
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, U.S.A
| | - Keith R. Curtis
- Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, Washington, U.S.A
| | - Kristine R. Monroe
- Preventive Medicine, Keck School Of Medicine, University Of Southern California, Los Angeles, California, U.S.A
| | - Thomas Ernst
- John A. Burns School Of Medicine, University Of Hawaii, Honolulu, Hawaii, U.S.A
| | - John A. Shepherd
- University Of Hawaii Cancer Center, University Of Hawaii, Honolulu, Hawaii, U.S.A
| | - Daniel O. Stram
- Keck School Of Medicine, University Of Southern California, Los Angeles, California, U.S.A
| | - Iona Cheng
- School Of Medicine, University Of California San Francisco, San Francisco, California, U.S.A
| | - Bruce S. Kristal
- Department Of Medicine, Brigham And Women’s Hospital And Harvard Medical School, Boston, Massachusetts, U.S.A
| | - Lynne R. Wilkens
- University Of Hawaii Cancer Center, University Of Hawaii, Honolulu, Hawaii, U.S.A
| | - Adrian Franke
- University Of Hawaii Cancer Center, University Of Hawaii, Honolulu, Hawaii, U.S.A
| | - Loic Le Marchand
- University Of Hawaii Cancer Center, University Of Hawaii, Honolulu, Hawaii, U.S.A
| | - Unhee Lim
- University Of Hawaii Cancer Center, University Of Hawaii, Honolulu, Hawaii, U.S.A
| | - Johanna W. Lampe
- Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, Washington, U.S.A
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Gut Microbiome, Diabetes, and Obesity: Complex Interplay of Physiology. GUT MICROBIOME-RELATED DISEASES AND THERAPIES 2021. [DOI: 10.1007/978-3-030-59642-2_5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Ballini A, Scacco S, Boccellino M, Santacroce L, Arrigoni R. Microbiota and Obesity: Where Are We Now? BIOLOGY 2020; 9:biology9120415. [PMID: 33255588 PMCID: PMC7761345 DOI: 10.3390/biology9120415] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 11/14/2020] [Accepted: 11/24/2020] [Indexed: 02/06/2023]
Abstract
Simple Summary Emerging new data reported in the international scientific literature show that specific alterations in the human gut microbiota are characteristic in obesity and obesity-related metabolic diseases. Obesity is conditioned by a multitude of factors, and the microbiota is certainly an important player. The analysis of the data obtained from experimental studies allow us to hypothesize that changes in the composition of the microbiota may be the cause, and not simply the consequence, of alterations in human metabolism. Clinical trials on wide samples that investigate the role of diet-induced modulation of the gut microbiota on the host metabolism are needed to understand the interactions at the molecular level for the observed correlations between metabolism and microbiota changes. Abstract Genetic and environmental factors are underlying causes of obesity and other metabolic diseases, so it is therefore difficult to find suitable and effective medical treatments. However, without a doubt, the gut microbiota—and also the bacteria present in the oral cavity—act as key factors in the development of these pathologies, yet the mechanisms have not been fully described. Certainly, a more detailed knowledge of the structure of the microbiota—composition, intra- and inter-species relationships, metabolic functions—could be of great help in counteracting the onset of obesity. Identifying key bacterial species will allow us to create a database of “healthy” bacteria, making it possible to manipulate the bacterial community according to metabolic and clinical needs. Targeting gut microbiota in clinical care as treatment for obesity and health-related complications—even just for weight loss has become a real possibility. In this topical review we provide an overview of the role of the microbiota on host energy homeostasis and obesity-related metabolic diseases, therefore addressing the therapeutic potential of novel and existing strategies (impact of nutrition/dietary modulation, and fecal microbiota transplantation) in the treatment of metabolic disease.
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Affiliation(s)
- Andrea Ballini
- Department of Biosciences, Biotechnologies and Biopharmaceutics, Campus Universitario, University of Bari “Aldo Moro”, 70125 Bari, Italy;
- Department of Basic Medical Sciences, Neurosciences and Sense Organs, University of Bari “Aldo Moro”, 70121 Bari, Italy
- Department of Precision Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy
| | - Salvatore Scacco
- Department of Basic Medical Sciences, Neurosciences and Sense Organs, University of Bari “Aldo Moro”, 70121 Bari, Italy
- Correspondence: (S.S.); (M.B.); (R.A.)
| | - Mariarosaria Boccellino
- Department of Precision Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy
- Correspondence: (S.S.); (M.B.); (R.A.)
| | - Luigi Santacroce
- Microbiology and Virology Laboratory, Ionian Department, Policlinico University Hospital, University of Bari “Aldo Moro”, 70124 Bari, Italy;
| | - Roberto Arrigoni
- CNR Institute of Biomembranes, Bioenergetics and Molecular Biotechnologies (IBIOM), 70124 Bari, Italy
- Correspondence: (S.S.); (M.B.); (R.A.)
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Smith HJ. An ethical investigation into the microbiome: the intersection of agriculture, genetics, and the obesity epidemic. Gut Microbes 2020; 12:1760712. [PMID: 32432992 PMCID: PMC7524164 DOI: 10.1080/19490976.2020.1760712] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 04/05/2020] [Accepted: 04/17/2020] [Indexed: 02/03/2023] Open
Abstract
There is growing evidence of the interconnectivity between animals, humans, and the environment, which has manifested in the One Health perspective that takes all three into account for a more comprehensive vision of health. Over the past century, agriculture has become increasingly industrialized with a particular rise in the amount of livestock raised and meat produced. In order to fulfill such market demands, livestock farmers and agricultural corporations have artificially selected for and bred their cash animals to be more and more metabolically efficient via genetic and human-driven means. However, by selecting for more metabolically efficient animals, we may have inadvertently been selecting for obesogenic gut microbiota. This is further compounded by the potential obesogenic and microbiome-altering role antibiotics play in livestock. Evidence suggests that there is the potential for interspecies gut microbe transmissibility. It is notable that there has been a concurrent multispecies obesity epidemic across the same timeframe, which raises questions about potential connections between these epidemics. If it is the case that humans have inadvertently influenced their own obesity epidemic via the artificial selection of and antibiotic administration to livestock, then this holds significant ethical implications. This analysis considers current meat consumption trends, the impacts of livestock on climate change, and animal ethics. The paper concludes that due to the potential significant impact yet tenuous nature of the evidence on this subject stemming from research silos, there is a definitive ethical impetus for researchers to bridge these silos to better understand the true nature of the issue. This case is emblematic of an overarching ethics-driven need for deeper collaboration between isolated but related research disciplines to better characterize issues of public health relevance. It also raises concerns regarding inherent value-driven strife that may arise between competing One Health domains.
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Affiliation(s)
- Hunter Jackson Smith
- Department of Preventive Medicine and Biostatistics, Uniformed Services University, Bethesda, MD, USA
- Johns Hopkins Berman Institute of Bioethics, Baltimore, MD, USA
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75
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Liu W, Zhou Y, Qin Y, Li Y, Yu L, Li R, Chen Y, Xu Y. Sex-specific effects of PM 2.5 maternal exposure on offspring's serum lipoproteins and gut microbiota. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 739:139982. [PMID: 32544691 DOI: 10.1016/j.scitotenv.2020.139982] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 06/02/2020] [Accepted: 06/03/2020] [Indexed: 06/11/2023]
Abstract
Fine particulate matter (PM2.5), which is known to impact public health, has received widespread attention recently. However, the long-term impact of maternal PM2.5 exposure remains unclear. To illuminate whether maternal PM2.5 exposure can affect serum lipoproteins and intestinal flora of offspring, mice received PM2.5 by intratracheal instillation during gestation and lactation. On postnatal day (PND) 35, serum lipoproteins of male and female pups were measured. Additionally, gut microbiota of offspring on PND 3, 10, 21 and 35 were measured by 16S rDNA sequencing of the colon contents. A higher serum triglyceride (TG) concentration in male offspring was observed in the exposed PM2.5 group (p < 0.05) compared with the control group, while there was no significant difference in lipoproteins for female offspring. On PND 35, Bacteroides, Desulfovibrio, and Anaerotruncus were enriched in the male offspring of the PM2.5-exposed group, and the control group had an increased abundance of Streptococcus. However, for female offspring on PND35, Clostridium XI was found to be enriched in the control group. A positive correlation between Bacteroides and serum TG concentration (r = 0.47, p = 0.02) was determined by Spearman's correlation analysis. These results suggest that serum TG and gut microbiota of offspring could be influenced by maternal PM2.5 exposure in a sex-specific manner. Abnormal lipid metabolism might be relevant to the changes of gut microbiota.
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Affiliation(s)
- Wei Liu
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing 100083, China
| | - Yalin Zhou
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing 100083, China
| | - Yong Qin
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing 100083, China
| | - Yong Li
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing 100083, China
| | - Lanlan Yu
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing 100083, China
| | - Ruijun Li
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing 100083, China
| | - Yuhan Chen
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing 100083, China
| | - Yajun Xu
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing 100083, China; Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Beijing 100083, China.
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76
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Muralitharan RR, Jama HA, Xie L, Peh A, Snelson M, Marques FZ. Microbial Peer Pressure: The Role of the Gut Microbiota in Hypertension and Its Complications. HYPERTENSION (DALLAS, TEX. : 1979) 2020; 76:1674-1687. [PMID: 33012206 DOI: 10.1161/hypertensionaha.120.14473] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
There is increasing evidence of the influence of the gut microbiota on hypertension and its complications, such as chronic kidney disease, stroke, heart failure, and myocardial infarction. This is not surprising considering that the most common risk factors for hypertension, such as age, sex, medication, and diet, can also impact the gut microbiota. For example, sodium and fermentable fiber have been studied in relation to both hypertension and the gut microbiota. By combining second- and, now, third-generation sequencing with metabolomics approaches, metabolites, such as short-chain fatty acids and trimethylamine N-oxide, and their producers, have been identified and are now known to affect host physiology and the cardiovascular system. The receptors that bind these metabolites have also been explored with positive findings-examples include known short-chain fatty acid receptors, such as G-protein coupled receptors GPR41, GPR43, GPR109a, and OLF78 in mice. GPR41 and OLF78 have been shown to have inverse roles in blood pressure regulation, whereas GPR43 and GPR109A have to date been demonstrated to impact cardiac function. New treatment options in the form of prebiotics (eg, dietary fiber), probiotics (eg, Lactobacillus spp.), and postbiotics (eg, the short-chain fatty acids acetate, propionate, and butyrate) have all been demonstrated to be beneficial in lowering blood pressure in animal models, but the underlying mechanisms remain poorly understood and translation to hypertensive patients is still lacking. Here, we review the evidence for the role of the gut microbiota in hypertension, its risk factors, and cardiorenal complications and identify future directions for this exciting and fast-evolving field.
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Affiliation(s)
- Rikeish R Muralitharan
- From the Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science (R.R.M., H.A.J., L.X., A.P., F.Z.M.), Monash University, Melbourne, Australia
- Institute for Medical Research, Ministry of Health Malaysia, Kuala Lumpur, Malaysia (R.R.M.)
| | - Hamdi A Jama
- From the Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science (R.R.M., H.A.J., L.X., A.P., F.Z.M.), Monash University, Melbourne, Australia
- Heart Failure Research Group, Baker Heart and Diabetes Institute, Melbourne, Australia (H.A.J., F.Z.M.)
| | - Liang Xie
- From the Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science (R.R.M., H.A.J., L.X., A.P., F.Z.M.), Monash University, Melbourne, Australia
- Department of Microbiology, Biomedicine Discovery Institute, Monash University, Clayton, Australia (L.X.)
| | - Alex Peh
- From the Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science (R.R.M., H.A.J., L.X., A.P., F.Z.M.), Monash University, Melbourne, Australia
| | - Matthew Snelson
- Department of Diabetes, Central Clinical School (M.S.), Monash University, Melbourne, Australia
| | - Francine Z Marques
- From the Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science (R.R.M., H.A.J., L.X., A.P., F.Z.M.), Monash University, Melbourne, Australia
- Heart Failure Research Group, Baker Heart and Diabetes Institute, Melbourne, Australia (H.A.J., F.Z.M.)
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Barnett JA, Gibson DL. Separating the Empirical Wheat From the Pseudoscientific Chaff: A Critical Review of the Literature Surrounding Glyphosate, Dysbiosis and Wheat-Sensitivity. Front Microbiol 2020; 11:556729. [PMID: 33101230 PMCID: PMC7545723 DOI: 10.3389/fmicb.2020.556729] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Accepted: 08/24/2020] [Indexed: 12/17/2022] Open
Abstract
The prevalence of digestive disorders has increased globally, as countries have adopted a more "Westernized" diet pattern. A Western diet, characterized as high in fat and refined carbohydrates, can also be defined as a product of increased technology and industrialization. Modern farmers rely on agrochemicals to meet the needs of a growing population, and these chemicals have shifted the Western diet's chemical composition. While the number of individuals choosing to live a wheat-free lifestyle without a celiac disease diagnosis has increased, clinical trials have shown that gluten from wheat is not responsible for causing symptoms in healthy individuals suggesting that something else is inducing symptoms. The herbicide, glyphosate, is applied to wheat crops before harvest to encourage ripening resulting in higher glyphosate residues in commercial wheat products within North America. Glyphosate inhibits the shikimate pathway, a pathway exclusive to plants and bacteria. Glyphosate's effect on dysbiosis was not considered when making safety recommendations. Here, we evaluate the literature surrounding glyphosate's effects on the gut microbiome and conclude that glyphosate residues on food could cause dysbiosis, given that opportunistic pathogens are more resistant to glyphosate compared to commensal bacteria. However, research on glyphosate's effects on the microbiome suffers from numerous methodological weaknesses, and these limitations make it impossible to draw any definitive conclusions regarding glyphosate's influence on health through alterations in the gut microbiome. In this review, we critically evaluate the evidence currently known and discuss recommendations for future studies.
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Affiliation(s)
| | - Deanna L Gibson
- Department of Biology, The University of British Columbia, Kelowna, BC, Canada.,Department of Medicine, Faculty of Medicine, The University of British Columbia, Kelowna, BC, Canada
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Nie X, Chen J, Ma X, Ni Y, Shen Y, Yu H, Panagiotou G, Bao Y. A metagenome-wide association study of gut microbiome and visceral fat accumulation. Comput Struct Biotechnol J 2020; 18:2596-2609. [PMID: 33033580 PMCID: PMC7528071 DOI: 10.1016/j.csbj.2020.09.026] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 09/03/2020] [Accepted: 09/15/2020] [Indexed: 12/15/2022] Open
Abstract
Purpose Visceral fat is an independent risk factor for metabolic and cardiovascular disease. The study aimed to investigate the associations between gut microbiome and visceral fat. Methods We recruited 32 obese adults and 30 healthy controls at baseline. Among the obese subjects, 14 subjects underwent laparoscopic sleeve gastrectomy (LSG) and were followed 6 months after surgery. Abdominal visceral fat area (VFA) and subcutaneous fat area (SFA) were measured by magnetic resonance imaging. Waist, hipline, waist-to-hip ratio (WHR) and body mass index (BMI) were included as simple obese parameters. Gut microbiome was analyzed by metagenomic sequencing. Results Among the obese parameters, VFA had the largest number of correlations with the species that were differentially enriched between obese and healthy subjects, following by waist, WHR, BMI, hipline, and SFA. Within the species negatively correlated with VFA, Eubacterium eligens had the strongest correlation, following by Clostridium citroniae, C. symbiosum, Bacteroides uniformis, E. ventriosum, Ruminococcaceae bacterium D16, C. hathewayi, etc. C. hathewayi and C. citroniae were increased after LSG. Functional analyses showed that among all the obese parameters, VFA had strongest correlation coefficients with the obesity-related microbial pathways. Microbial pathways involved in carbohydrate fermentation and biosynthesis of L-glutamate and L-glutamine might contribute to visceral fat accumulation. Conclusions Visceral fat was more closely correlated with gut microbiome compared with subcutaneous fat, suggesting an intrinsic connection between gut microbiome and metabolic cardiovascular diseases. Specific microbial species and pathways which were closely associated with visceral fat accumulation might contribute to new targeted therapies for metabolic disorders.
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Key Words
- 2hCP, 2-hour C-peptide
- 2hPG, 2-hour plasma glucose
- ALT, alanine aminotransferase
- AST, aspartate aminotransferase
- BCAAs, branched chain amino acids
- BMI, body mass index
- CoDA, Compositional Data Analysis
- Cr, creatinine
- DBP, diastolic blood pressure
- FCp, fasting C-peptide
- FDR, false discovery rate
- FMT, fecal microbiota transplantation
- FPG, fasting plasma glucose
- GPR43, G-protein coupled receptor 43
- Gut microbiome
- HDL, high-density lipoprotein cholesterol
- HbA1c, glycated hemoglobin A1c
- LDL, low-density lipoprotein cholesterol
- LPS, lipopolysaccharides
- LSG, laparoscopic sleeve gastrectomy
- Laparoscopic sleeve gastrectomy
- MRI, magnetic resonance imaging
- MSG, monosodium glutamate
- Metagenomics
- Obesity
- SBP, systolic blood pressure
- SCFAs, short chain fatty acids
- SFA, subcutaneous fat area
- TC, total cholesterol
- TCA, tricarboxylic acid cycle
- TG, triglyceride
- UA, uric acid
- VFA, visceral fat area
- Visceral fat
- WBC, white blood cell count
- WHR, waist-to-hip ratio
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Affiliation(s)
- Xiaomin Nie
- Department of Endocrinology and Metabolism, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai Clinical Center for Diabetes, Shanghai Key Clinical Center for Metabolic Disease, Shanghai Diabetes Institute, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai 200233, China
| | - Jiarui Chen
- Leibniz Institute for Natural Product Research and Infection Biology – Systems Biology and Bioinformatics, Hans Knöll Institute, Adolf-Reichwein-Straße 23, 07745 Jena, Germany
- School of Biological Sciences, The University of Hong Kong, Kadoorie Biological Sciences Building, Pok Fu Lam Road, Hong Kong Special Administrative Region
| | - Xiaojing Ma
- Department of Endocrinology and Metabolism, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai Clinical Center for Diabetes, Shanghai Key Clinical Center for Metabolic Disease, Shanghai Diabetes Institute, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai 200233, China
| | - Yueqiong Ni
- Leibniz Institute for Natural Product Research and Infection Biology – Systems Biology and Bioinformatics, Hans Knöll Institute, Adolf-Reichwein-Straße 23, 07745 Jena, Germany
| | - Yun Shen
- Department of Endocrinology and Metabolism, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai Clinical Center for Diabetes, Shanghai Key Clinical Center for Metabolic Disease, Shanghai Diabetes Institute, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai 200233, China
| | - Haoyong Yu
- Department of Endocrinology and Metabolism, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai Clinical Center for Diabetes, Shanghai Key Clinical Center for Metabolic Disease, Shanghai Diabetes Institute, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai 200233, China
- Corresponding authors at: Department of Endocrinology and Metabolism, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, 600 Yishan Road, Shanghai 200233, China (H. Yu and Y. Bao). Leibniz Institute for Natural Product Research and Infection Biology – Systems Biology and Bioinformatics, Hans Knöll Institute, Adolf-Reichwein-Straße 23, 07745 Jena, Germany (G. Panagiotou).
| | - Gianni Panagiotou
- Leibniz Institute for Natural Product Research and Infection Biology – Systems Biology and Bioinformatics, Hans Knöll Institute, Adolf-Reichwein-Straße 23, 07745 Jena, Germany
- School of Biological Sciences, The University of Hong Kong, Kadoorie Biological Sciences Building, Pok Fu Lam Road, Hong Kong Special Administrative Region
- Department of Medicine and State Key Laboratory of Pharmaceutical Biotechnology, The University of Hong Kong, Hong Kong Special Administrative Region
- Corresponding authors at: Department of Endocrinology and Metabolism, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, 600 Yishan Road, Shanghai 200233, China (H. Yu and Y. Bao). Leibniz Institute for Natural Product Research and Infection Biology – Systems Biology and Bioinformatics, Hans Knöll Institute, Adolf-Reichwein-Straße 23, 07745 Jena, Germany (G. Panagiotou).
| | - Yuqian Bao
- Department of Endocrinology and Metabolism, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai Clinical Center for Diabetes, Shanghai Key Clinical Center for Metabolic Disease, Shanghai Diabetes Institute, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai 200233, China
- Corresponding authors at: Department of Endocrinology and Metabolism, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, 600 Yishan Road, Shanghai 200233, China (H. Yu and Y. Bao). Leibniz Institute for Natural Product Research and Infection Biology – Systems Biology and Bioinformatics, Hans Knöll Institute, Adolf-Reichwein-Straße 23, 07745 Jena, Germany (G. Panagiotou).
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Wang G, Yang S, Sun S, Si Q, Wang L, Zhang Q, Wu G, Zhao J, Zhang H, Chen W. Lactobacillus rhamnosus Strains Relieve Loperamide-Induced Constipation via Different Pathways Independent of Short-Chain Fatty Acids. Front Cell Infect Microbiol 2020; 10:423. [PMID: 32974216 PMCID: PMC7466723 DOI: 10.3389/fcimb.2020.00423] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Accepted: 07/10/2020] [Indexed: 12/12/2022] Open
Abstract
Increasing researches have confirmed the relationship between slow-transit constipation and gut microbiota dysbiosis. Many population and animal experiments have identified probiotics as effectors for the relief of constipation symptoms, but the specific mechanism remains unclear. In this intervention study, Lactobacillus rhamnosus strains isolated from five different sources were administered to mice with loperamide-induced constipation, and the impacts of these strains on constipation-related indicators were evaluated. All five strains of L. rhamnosus were found to improve constipation to various degrees. However, contrary to previous studies, the abilities of L. rhamnosus strains to improve constipation symptoms were not associated with the levels of short-chain fatty acids (SCFAs) in the colon. The effects of different strains of L. rhamnosus on constipation relief were associated with different aspects of the GI tract, including gastrointestinal regulatory peptides, neurotransmitters, neurotrophic factors, and gut microbiota. The findings of this study demonstrate that L. rhamnosus strains can alleviate constipation-related symptoms via different pathways independent of SCFAs regulation. This study yields a new perspective for clinical use of probiotics to better improve constipation symptoms, by combining strains with different mechanisms for alleviation of constipation.
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Affiliation(s)
- Gang Wang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China.,School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Shurong Yang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China.,School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Shanshan Sun
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China.,School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Qian Si
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China.,School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Linlin Wang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China.,School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Qiuxiang Zhang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China.,School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Gaojue Wu
- Department of Gastroenterology, The Affiliated Wuxi Second People's Hospital of Nanjing Medical University, Wuxi, China
| | - Jianxin Zhao
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China.,School of Food Science and Technology, Jiangnan University, Wuxi, China.,International Joint Research Laboratory for Probiotics, Jiangnan University, Wuxi, China.,(Yangzhou) Institute of Food Biotechnology, Jiangnan University, Yangzhou, China
| | - Hao Zhang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China.,School of Food Science and Technology, Jiangnan University, Wuxi, China.,(Yangzhou) Institute of Food Biotechnology, Jiangnan University, Yangzhou, China.,National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, China.,Wuxi Translational Medicine Research Center and Jiangsu Translational Medicine Research Institute Wuxi Branch, Wuxi, China
| | - Wei Chen
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China.,School of Food Science and Technology, Jiangnan University, Wuxi, China.,National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, China.,Beijing Innovation Centre of Food Nutrition and Human Health, Beijing Technology and Business University, Beijing, China
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Evolving Technologies in Gastrointestinal Microbiome Era and Their Potential Clinical Applications. J Clin Med 2020; 9:jcm9082565. [PMID: 32784731 PMCID: PMC7464388 DOI: 10.3390/jcm9082565] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 07/31/2020] [Accepted: 08/04/2020] [Indexed: 12/12/2022] Open
Abstract
The human gastrointestinal microbiota (GIM) is a complex and diverse ecosystem that consists of community of fungi, viruses, protists and majorly bacteria. The association of several human illnesses, such as inflammatory bowel disease, allergy, metabolic syndrome and cancers, have been linked directly or indirectly to compromise in the integrity of the GIM, for which some medical interventions have been proposed or attempted. This review highlights and gives update on various technologies, including microfluidics, high-through-put sequencing, metabolomics, metatranscriptomics and culture in GIM research and their applications in gastrointestinal microbiota therapy, with a view to raise interest in the evaluation, validation and eventual use of these technologies in diagnosis and the incorporation of therapies in routine clinical practice.
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Xiao X, Tan C, Sun X, Zhao Y, Zhang J, Zhu Y, Bai J, Dong Y, Zhou X. Fermented barley β-glucan regulates fat deposition in Caenorhabditis elegans. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2020; 100:3408-3417. [PMID: 32166779 DOI: 10.1002/jsfa.10375] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 02/26/2020] [Accepted: 03/13/2020] [Indexed: 06/10/2023]
Abstract
BACKGROUND Barley contains a relatively high concentration of the mixed-linkage (1 → 3) (1 → 4) β-glucan, which has been reported to be a functional food with prebiotic potential. In the current study we compared the properties of two neutral barley β-glucans, obtained from raw barley: raw barley β-glucan (RBG) and Lactobacillus plantarum dy-1-fermented barley (FBG). RESULTS Molecular characteristics revealed that the molecular weight of barley β-glucan decreased from 1.13 × 105 D to 6.35 × 104 D after fermentation. Fermentation also improved the water / oil holding capacity, solubility, and swelling capacity of barley β-glucan. Both RBG and FBG significantly improved the locomotive behavior of nematodes, thereby increasing their energy consumption and reducing fat deposition - the effect was more significant with FBG. These effects could potentially depend on nhr-49, TGF-daf-7 mediated pathways and so on, in which nhr-49 factor is particularly required. CONCLUSION These results suggested that fermentation may enhance in vitro physiological activities of barley β-glucan, thereby altering the effects on the lipid metabolism in vivo. © 2020 Society of Chemical Industry.
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Affiliation(s)
- Xiang Xiao
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Cui Tan
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Xinjuan Sun
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Yansheng Zhao
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Jiayan Zhang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Ying Zhu
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Juan Bai
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Ying Dong
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Xinghua Zhou
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
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San-Cristobal R, Navas-Carretero S, Martínez-González MÁ, Ordovas JM, Martínez JA. Contribution of macronutrients to obesity: implications for precision nutrition. Nat Rev Endocrinol 2020; 16:305-320. [PMID: 32235875 DOI: 10.1038/s41574-020-0346-8] [Citation(s) in RCA: 100] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/04/2020] [Indexed: 01/03/2023]
Abstract
The specific metabolic contribution of consuming different energy-yielding macronutrients (namely, carbohydrates, protein and lipids) to obesity is a matter of active debate. In this Review, we summarize the current research concerning associations between the intake of different macronutrients and weight gain and adiposity. We discuss insights into possible differential mechanistic pathways where macronutrients might act on either appetite or adipogenesis to cause weight gain. We also explore the role of dietary macronutrient distribution on thermogenesis or energy expenditure for weight loss and maintenance. On the basis of the data discussed, we describe a novel way to manage excessive body weight; namely, prescribing personalized diets with different macronutrient compositions according to the individual's genotype and/or enterotype. In this context, the interplay of macronutrient consumption with obesity incidence involves mechanisms that affect appetite, thermogenesis and metabolism, and the outcomes of these mechanisms are altered by an individual's genotype and microbiota. Indeed, the interactions of the genetic make-up and/or microbiota features of a person with specific macronutrient intakes or dietary pattern consumption help to explain individualized responses to macronutrients and food patterns, which might represent key factors for comprehensive precision nutrition recommendations and personalized obesity management.
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Affiliation(s)
- Rodrigo San-Cristobal
- Precision Nutrition and Cardiometabolic Health, IMDEA-Food Institute (Madrid Institute for Advanced Studies), Campus of International Excellence (CEI) UAM+CSIC, Spanish National Research Council, Madrid, Spain
| | - Santiago Navas-Carretero
- Centre for Nutrition Research, University of Navarra, Pamplona, Spain.
- CIBERobn, Centro de Investigacion Biomedica en Red Area de Fisiologia de la Obesidad y la Nutricion, Madrid, Spain.
- IdisNA, Navarra Institute for Health Research, Pamplona, Spain.
| | - Miguel Ángel Martínez-González
- CIBERobn, Centro de Investigacion Biomedica en Red Area de Fisiologia de la Obesidad y la Nutricion, Madrid, Spain
- IdisNA, Navarra Institute for Health Research, Pamplona, Spain
- Department of Preventive Medicine and Public Health, School of Medicine, University of Navarra, Pamplona, Spain
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - José María Ordovas
- Nutrition and Genomics Laboratory, JM-USDA Human Nutrition Research Center on Aging at Tufts University, Boston, MA, USA
- Department of Cardiovascular Epidemiology and Population Genetics, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
- Nutritional Genomics of Cardiovascular Disease and Obesity Fundation IMDEA Food, Campus of International Excellence, Spanish National Research Council, Madrid, Spain
| | - José Alfredo Martínez
- Precision Nutrition and Cardiometabolic Health, IMDEA-Food Institute (Madrid Institute for Advanced Studies), Campus of International Excellence (CEI) UAM+CSIC, Spanish National Research Council, Madrid, Spain
- Centre for Nutrition Research, University of Navarra, Pamplona, Spain
- CIBERobn, Centro de Investigacion Biomedica en Red Area de Fisiologia de la Obesidad y la Nutricion, Madrid, Spain
- IdisNA, Navarra Institute for Health Research, Pamplona, Spain
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83
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Comparison Between the Gut Microbiota in Different Gastrointestinal Segments of Large-Tailed Han and Small-Tailed Han Sheep Breeds with High-Throughput Sequencing. Indian J Microbiol 2020; 60:436-450. [PMID: 33087993 DOI: 10.1007/s12088-020-00885-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Accepted: 05/11/2020] [Indexed: 12/27/2022] Open
Abstract
Commensal microorganisms are essential to the normal development and function of many aspects of animal biology. However, the dynamic shift patterns of the microbiota of different gut segments in sheep and the correlation between fat type large-tailed phenotype and microbiota remain poorly unknown. This study therefore sought to assess the composition and distribution of the intestinal microbiome, and compared the difference of gut microbiota from different gastrointestinal segments within breeds and same intestinal sections between breeds. For these analyses, 16S rRNA V4 regions from 4 gut sections prepared from each of six individuals (3 from each breed) were sequenced to detect the microbiome composition in these samples. These analyses revealed the presence of 51,173 operational taxonomic units distributed across 24 phyla and 420 genera in these samples, with Firmicutes and Bacteroidetes being the most prevalent phyla of microbes present in these samples. Moreover, the bacterial composition showed distinct microbial communities in different gastrointestinal segments within breed, but showed similar and relative fixed bacterial abundance in the same intestinal segments from individuals of different breeds. We also found that only a few bacterial species (Lachnospiraceae, Akkermansia) were needed to distinguish between Small-tailed Han sheep (STH) and Large-tailed Han sheep (LTH) and their metabolic process maybe influence the fat type large-tailed phenotype formation in sheep. The functional profile analysis revealed that the environment information processing, genetic information processing, and metabolic pathways were enriched in all samples. The main functional roles of the gut microbiota were amino acid metabolism, replication and repair, carbohydrate metabolism, and membrane transport. Finally, our findings suggested that distinguished gut species between STH and LTH have relative fixed and the potential correlation is existing between the intestinal microorganisms and the large-tailed phenotype trait formation of sheep, which may offer clues for further investigation to detect the roles of intestinal microbiota in the metabolism and fat deposition in the tail of sheep.
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84
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Astbury S, Atallah E, Vijay A, Aithal GP, Grove JI, Valdes AM. Lower gut microbiome diversity and higher abundance of proinflammatory genus Collinsella are associated with biopsy-proven nonalcoholic steatohepatitis. Gut Microbes 2020; 11:569-580. [PMID: 31696774 PMCID: PMC7524262 DOI: 10.1080/19490976.2019.1681861] [Citation(s) in RCA: 115] [Impact Index Per Article: 28.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
There is increasing evidence for the role of gut microbial composition in the pathogenesis of nonalcoholic fatty liver disease (NAFLD). Nonalcoholic steatohepatitis (NASH) is the most serious form of NAFLD where inflammation causes liver damage that can progress to cirrhosis. We have characterized the gut microbiome composition in UK patients with biopsy-proven NASH (n = 65) and compared it to that in healthy controls (n = 76). We report a 7% lower Shannon alpha diversity in NASH patients without cirrhosis (n = 40) compared to controls (p = 2.7x 10-4) and a 14% drop in NASH patients with cirrhosis (n = 25, p = 5.0x 10-4). Beta diversity (Unweighted UniFrac distance) was also significantly reduced in both NASH (p = 5.6x 10-25) and NASH-cirrhosis (p = 8.1x 10-7) groups. The genus most strongly associated with NASH in this study was Collinsella (0.29% abundance in controls, 3.45% in NASH without cirrhosis (False Discovery Rate (FDR) p = .008), and 4.38% in NASH with cirrhosis (FDR p = .02)). This genus, which has been linked previously to obesity and atherosclerosis, was also positively correlated with fasting levels of triglycerides (p = .01) and total cholesterol (p = 1.2x 10-4) and negatively correlated with high-density lipoprotein cholesterol (p = 2.8x 10-6) suggesting that some of the pathways present in this microbial genus may influence lipid metabolism in the host. In patients, we also found decreased abundance of some of the Ruminococcaceae which are known to produce high levels of short-chain fatty acids which can lower inflammation. This may thus contribute to pathology associated with NASH.
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Affiliation(s)
- Stuart Astbury
- Nottingham Digestive Diseases Centre, School of Medicine, University of Nottingham, Nottingham, UK,National Institute for Health Research (NIHR) Nottingham Biomedical Research Centre, Nottingham University Hospitals NHS Trust and the University of Nottingham, Nottingham, UK
| | - Edmond Atallah
- Nottingham Digestive Diseases Centre, School of Medicine, University of Nottingham, Nottingham, UK,National Institute for Health Research (NIHR) Nottingham Biomedical Research Centre, Nottingham University Hospitals NHS Trust and the University of Nottingham, Nottingham, UK
| | - Amrita Vijay
- Nottingham Digestive Diseases Centre, School of Medicine, University of Nottingham, Nottingham, UK,Department of Twin Research and Genetic Epidemiology, King’s College London, London, UK
| | - Guruprasad P Aithal
- Nottingham Digestive Diseases Centre, School of Medicine, University of Nottingham, Nottingham, UK,National Institute for Health Research (NIHR) Nottingham Biomedical Research Centre, Nottingham University Hospitals NHS Trust and the University of Nottingham, Nottingham, UK
| | - Jane I Grove
- Nottingham Digestive Diseases Centre, School of Medicine, University of Nottingham, Nottingham, UK,National Institute for Health Research (NIHR) Nottingham Biomedical Research Centre, Nottingham University Hospitals NHS Trust and the University of Nottingham, Nottingham, UK,CONTACT Jane I Grove Nottingham Digestive Diseases Centre, E Floor, West Block, Queen’s Medical Centre, NottinghamNG7 2UH, UK
| | - Ana M Valdes
- National Institute for Health Research (NIHR) Nottingham Biomedical Research Centre, Nottingham University Hospitals NHS Trust and the University of Nottingham, Nottingham, UK,Division of Rheumatology, Orthopaedics and Dermatology, School of Medicine, University of Nottingham, Nottingham, UK
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85
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Troll M, Brandmaier S, Reitmeier S, Adam J, Sharma S, Sommer A, Bind MA, Neuhaus K, Clavel T, Adamski J, Haller D, Peters A, Grallert H. Investigation of Adiposity Measures and Operational Taxonomic unit (OTU) Data Transformation Procedures in Stool Samples from a German Cohort Study Using Machine Learning Algorithms. Microorganisms 2020; 8:E547. [PMID: 32290101 PMCID: PMC7232268 DOI: 10.3390/microorganisms8040547] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 04/01/2020] [Accepted: 04/07/2020] [Indexed: 01/14/2023] Open
Abstract
The analysis of the gut microbiome with respect to health care prevention and diagnostic purposes is increasingly the focus of current research. We analyzed around 2000 stool samples from the KORA (Cooperative Health Research in the Region of Augsburg) cohort using high-throughput 16S rRNA gene amplicon sequencing representing a total microbial diversity of 2089 operational taxonomic units (OTUs). We evaluated the combination of three different components to assess the reflection of obesity related to microbiota profiles: (i) four prediction methods (i.e., partial least squares (PLS), support vector machine regression (SVMReg), random forest (RF), and M5Rules); (ii) five OTU data transformation approaches (i.e., no transformation, relative abundance without and with log-transformation, as well as centered and isometric log-ratio transformations); and (iii) predictions from nine measurements of obesity (i.e., body mass index, three measures of body shape, and five measures of body composition). Our results showed a substantial impact of all three components. The applications of SVMReg and PLS in combination with logarithmic data transformations resulted in considerably predictive models for waist circumference-related endpoints. These combinations were at best able to explain almost 40% of the variance in obesity measurements based on stool microbiota data (i.e., OTUs) only. A reduced loss in predictive performance was seen after sex-stratification in waist-height ratio compared to other waist-related measurements. Moreover, our analysis showed that the contribution of OTUs less prevalent and abundant is minor concerning the predictive power of our models.
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Affiliation(s)
- Martina Troll
- Research Unit of Molecular Epidemiology, Helmholtz Zentrum München, 85764 Neuherberg, Germany; (S.B.); (J.A.); (S.S.)
- Institute of Epidemiology, Helmholtz Zentrum München, 85764 Neuherberg, Germany; (A.S.); (A.P.)
| | - Stefan Brandmaier
- Research Unit of Molecular Epidemiology, Helmholtz Zentrum München, 85764 Neuherberg, Germany; (S.B.); (J.A.); (S.S.)
- Institute of Epidemiology, Helmholtz Zentrum München, 85764 Neuherberg, Germany; (A.S.); (A.P.)
| | - Sandra Reitmeier
- ZIEL Institute for Food & Health, Technical University of Munich, 85354 Freising-Weihenstephan, Germany; (S.R.); (K.N.); (T.C.); (D.H.)
- Chair of Nutrition and Immunology, Technical University of Munich, 85354 Freising-Weihenstephan, Germany
| | - Jonathan Adam
- Research Unit of Molecular Epidemiology, Helmholtz Zentrum München, 85764 Neuherberg, Germany; (S.B.); (J.A.); (S.S.)
- Institute of Epidemiology, Helmholtz Zentrum München, 85764 Neuherberg, Germany; (A.S.); (A.P.)
| | - Sapna Sharma
- Research Unit of Molecular Epidemiology, Helmholtz Zentrum München, 85764 Neuherberg, Germany; (S.B.); (J.A.); (S.S.)
- Institute of Epidemiology, Helmholtz Zentrum München, 85764 Neuherberg, Germany; (A.S.); (A.P.)
| | - Alice Sommer
- Institute of Epidemiology, Helmholtz Zentrum München, 85764 Neuherberg, Germany; (A.S.); (A.P.)
- Department of Statistics, Faculty of Arts and Sciences, Harvard University, Cambridge, MA 02138-2901, USA;
| | - Marie-Abèle Bind
- Department of Statistics, Faculty of Arts and Sciences, Harvard University, Cambridge, MA 02138-2901, USA;
| | - Klaus Neuhaus
- ZIEL Institute for Food & Health, Technical University of Munich, 85354 Freising-Weihenstephan, Germany; (S.R.); (K.N.); (T.C.); (D.H.)
| | - Thomas Clavel
- ZIEL Institute for Food & Health, Technical University of Munich, 85354 Freising-Weihenstephan, Germany; (S.R.); (K.N.); (T.C.); (D.H.)
- Functional Microbiome Research Group, Institute of Medical Microbiology, RWTH University Hospital, 52074 Aachen, Germany
| | - Jerzy Adamski
- Research Unit Molecular Endocrinology and Metabolism, Helmholtz Zentrum München, 85764 Neuherberg, Germany;
- Chair of Experimental Genetics, Technical University of Munich, 85350 Freising-Weihenstephan, Germany
- Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117597, Singapore
| | - Dirk Haller
- ZIEL Institute for Food & Health, Technical University of Munich, 85354 Freising-Weihenstephan, Germany; (S.R.); (K.N.); (T.C.); (D.H.)
- Chair of Nutrition and Immunology, Technical University of Munich, 85354 Freising-Weihenstephan, Germany
| | - Annette Peters
- Institute of Epidemiology, Helmholtz Zentrum München, 85764 Neuherberg, Germany; (A.S.); (A.P.)
- Chair of Epidemiology, Faculty of Medicine, Ludwig-Maximilians-University München, 81377 Munich, Germany
| | - Harald Grallert
- Research Unit of Molecular Epidemiology, Helmholtz Zentrum München, 85764 Neuherberg, Germany; (S.B.); (J.A.); (S.S.)
- Institute of Epidemiology, Helmholtz Zentrum München, 85764 Neuherberg, Germany; (A.S.); (A.P.)
- German Center for Diabetes Research (DZD), 85764 Neuherberg, Germany
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86
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Fitzgerald DM, Spence RJ, Stewart ZK, Prentis PJ, Sillence MN, de Laat MA. The effect of diet change and insulin dysregulation on the faecal microbiome of ponies. J Exp Biol 2020; 223:jeb219154. [PMID: 32098884 DOI: 10.1242/jeb.219154] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Accepted: 02/12/2020] [Indexed: 12/16/2022]
Abstract
The equine microbiome can change in response to dietary alteration and may play a role in insulin dysregulation. The aim of this study was to determine the effect of adding pasture to a hay diet on the faecal bacterial microbiome of both healthy and insulin-dysregulated ponies. Faecal samples were collected from 16 ponies before and after dietary change to enable bacterial 16S rRNA sequencing of the V3-V4 region. The dominant phyla in all samples were the Firmicutes and Bacteroidetes. The evenness of the bacterial populations decreased after grazing pasture, and when a pony was moderately insulin dysregulated (P=0.001). Evenness scores negatively correlated with post-prandial glucagon-like peptide-1 concentration after a hay-only diet (r²=-0.7, P=0.001). A change in diet explained 3% of faecal microbiome variability. We conclude that metabolically healthy ponies have greater microbial stability when challenged with a subtle dietary change, compared with moderately insulin-dysregulated ponies.
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Affiliation(s)
- Danielle M Fitzgerald
- Science and Engineering Faculty, Queensland University of Technology, Brisbane, QLD 4001, Australia
| | - Robert J Spence
- Science and Engineering Faculty, Queensland University of Technology, Brisbane, QLD 4001, Australia
| | - Zachary K Stewart
- Science and Engineering Faculty, Queensland University of Technology, Brisbane, QLD 4001, Australia
| | - Peter J Prentis
- Science and Engineering Faculty, Queensland University of Technology, Brisbane, QLD 4001, Australia
| | - Martin N Sillence
- Science and Engineering Faculty, Queensland University of Technology, Brisbane, QLD 4001, Australia
| | - Melody A de Laat
- Science and Engineering Faculty, Queensland University of Technology, Brisbane, QLD 4001, Australia
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87
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Meng Y, Chen C, Qiu N, Keast R. Modulation of gut microbiota in rats fed whole egg diets by processing duck egg to preserved egg. J Biosci Bioeng 2020; 130:54-62. [PMID: 32224011 DOI: 10.1016/j.jbiosc.2020.02.015] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Revised: 02/03/2020] [Accepted: 02/23/2020] [Indexed: 12/18/2022]
Abstract
Pidan, as the preserved duck egg, is a traditional alkaline-pickled food in China. Previous studies have suggested preserved egg white has an anti-inflammatory effect, though the mechanism of action was unclear. In this work, the difference of peptides distribution in the digestive products was identified from those of duck egg. The effects of preserved egg diet on the modulation of gut microbiota as well as the alteration in fecal metabolites were further investigated. Minor variations of gut microbiota in phylum level were observed between preserved and fresh duck egg diet groups, even though, preserved egg diet intake attributed to increases in the relative abundance of Prevotella and Phascolarctobacterium (p < 0.05), while Ruminococcaceae and Allobaculum were quantitatively decreased (p < 0.05). In terms of metabolites, the contents of acetic acid (p < 0.01) and propionic acid (p < 0.05) were significantly increased in the preserved egg diet group. It was speculated that the preserved egg diet might alter the proportion of short-chain fatty acids (SCFAs) in the gut of rats by modulating specific intestinal bacteria, and subsequently play an active role in anti-inflammatory effects. Compared to the fresh egg group, the bacterial produced SCFAs of preserved egg group were increased in abundance (p < 0.05), which may have potential anti-obesity and anti-inflammatory effects. The results provide a novel insight into the relationship between preserved egg intake, gut microbiota and potential positive effects on host health.
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Affiliation(s)
- Yaqi Meng
- Key Laboratory of Environment Correlative Dietology, Ministry of Education, National Research and Development Center for Egg Processing, College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Can Chen
- Key Laboratory of Environment Correlative Dietology, Ministry of Education, National Research and Development Center for Egg Processing, College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Ning Qiu
- Key Laboratory of Environment Correlative Dietology, Ministry of Education, National Research and Development Center for Egg Processing, College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, PR China.
| | - Russell Keast
- Centre for Advanced Sensory Science, School of Exercise and Nutrition Sciences, Deakin University, Burwood, Victoria 3125, Australia
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Yu EW, Gao L, Stastka P, Cheney MC, Mahabamunuge J, Torres Soto M, Ford CB, Bryant JA, Henn MR, Hohmann EL. Fecal microbiota transplantation for the improvement of metabolism in obesity: The FMT-TRIM double-blind placebo-controlled pilot trial. PLoS Med 2020; 17:e1003051. [PMID: 32150549 PMCID: PMC7062239 DOI: 10.1371/journal.pmed.1003051] [Citation(s) in RCA: 160] [Impact Index Per Article: 40.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Accepted: 02/10/2020] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND There is intense interest about whether modulating gut microbiota can impact systemic metabolism. We investigated the safety of weekly oral fecal microbiota transplantation (FMT) capsules from healthy lean donors and their ability to alter gut microbiota and improve metabolic outcomes in patients with obesity. METHODS AND FINDINGS FMT-TRIM was a 12-week double-blind randomized placebo-controlled pilot trial of oral FMT capsules performed at a single US academic medical center. Between August 2016 and April 2018, we randomized 24 adults with obesity and mild-moderate insulin resistance (homeostatic model assessment of insulin resistance [HOMA-IR] between 2.0 and 8.0) to weekly healthy lean donor FMT versus placebo capsules for 6 weeks. The primary outcome, assessed by intention to treat, was change in insulin sensitivity between 0 and 6 weeks as measured by hyperinsulinemic euglycemic clamps. Additional metabolic parameters were evaluated at 0, 6, and 12 weeks, including HbA1c, body weight, body composition by dual-energy X-ray absorptiometry, and resting energy expenditure by indirect calorimetry. Fecal samples were serially collected and evaluated via 16S V4 rRNA sequencing. Our study population was 71% female, with an average baseline BMI of 38.8 ± 6.7 kg/m2 and 41.3 ± 5.1 kg/m2 in the FMT and placebo groups, respectively. There were no statistically significant improvements in insulin sensitivity in the FMT group compared to the placebo group (+5% ± 12% in FMT group versus -3% ± 32% in placebo group, mean difference 9%, 95% CI -5% to 28%, p = 0.16). There were no statistically significant differences between groups for most of the other secondary metabolic outcomes, including HOMA-IR (mean difference 0.2, 95% CI -0.9 to 0.9, p = 0.96) and body composition (lean mass mean difference -0.1 kg, 95% CI -1.9 to 1.6 kg, p = 0.87; fat mass mean difference 1.2 kg, 95% CI -0.6 to 3.0 kg, p = 0.18), over the 12-week study. We observed variable engraftment of donor bacterial groups among FMT recipients, which persisted throughout the 12-week study. There were no significant differences in adverse events (AEs) (10 versus 5, p = 0.09), and no serious AEs related to FMT. Limitations of this pilot study are the small sample size, inclusion of participants with relatively mild insulin resistance, and lack of concurrent dietary intervention. CONCLUSIONS Weekly administration of FMT capsules in adults with obesity results in gut microbiota engraftment in most recipients for at least 12 weeks. Despite engraftment, we did not observe clinically significant metabolic effects during the study. TRIAL REGISTRATION ClinicalTrials.gov NCT02530385.
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Affiliation(s)
- Elaine W. Yu
- Endocrine Unit, Division of Endocrinology and Metabolism, Massachusetts General Hospital, Boston, Massachusetts, United States of America
- Harvard Medical School, Boston, Massachusetts, United States of America
| | - Liu Gao
- Endocrine Unit, Division of Endocrinology and Metabolism, Massachusetts General Hospital, Boston, Massachusetts, United States of America
| | - Petr Stastka
- Endocrine Unit, Division of Endocrinology and Metabolism, Massachusetts General Hospital, Boston, Massachusetts, United States of America
| | - Michael C. Cheney
- Endocrine Unit, Division of Endocrinology and Metabolism, Massachusetts General Hospital, Boston, Massachusetts, United States of America
| | - Jasmin Mahabamunuge
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, Massachusetts, United States of America
| | - Mariam Torres Soto
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, Massachusetts, United States of America
| | | | - Jessica A. Bryant
- Seres Therapeutics, Cambridge, Massachusetts, United States of America
| | - Matthew R. Henn
- Seres Therapeutics, Cambridge, Massachusetts, United States of America
| | - Elizabeth L. Hohmann
- Harvard Medical School, Boston, Massachusetts, United States of America
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, Massachusetts, United States of America
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McCauley LS, Ghatas MP, Sumrell RM, Cirnigliaro CM, Kirshblum SC, Bauman WA, Gorgey AS. Measurement of Visceral Adipose Tissue in Persons With Spinal Cord Injury by Magnetic Resonance Imaging and Dual X-Ray Absorptiometry: Generation and Application of a Predictive Equation. J Clin Densitom 2020; 23:63-72. [PMID: 30638769 DOI: 10.1016/j.jocd.2018.12.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Revised: 12/11/2018] [Accepted: 12/11/2018] [Indexed: 12/13/2022]
Abstract
PURPOSE Dual energy X-ray absorptiometry (DXA) and magnetic resonance imaging (MRI) permits quantification of visceral adipose tissue (VAT). However, DXA has not been validated against MRI in persons with chronic spinal cord injury (SCI). A predictive equation was generated from the measurement of VAT by MRI, a "gold" standard to quantitate VAT, compared to that of DXA, a method with several practical advantages. METHOD DXA and MRI scans were performed in 27 participants with SCI. MRI multiaxial images were captured for VAT analysis. DXA-VAT was quantified at the android region (DXA-VATANDROID-VOL) using enCore software. Android regions of DXA and MRI were matched using android height. Volumes of multiaxial MRI-VAT and subcutaneous adipose tissue (SAT) were quantified for the android region (MRI-VATANDROID-VOL, MRI-SATANDROID-VOL) and total trunk (MRI-VATANDROID-VOL). Linear regression analysis was used to establish the proposed predication equations. The prediction equations were then applied to an independent sample that consisted of 98 participants with SCI. Bland-Altman analysis was used to determine the limits of agreement. RESULTS DXA-VATANDROID-VOL predicted 92% of the variance in MRI-VATANDROID-VOL (SEE = 252.5, p < 0.0005) and 85% of the variance in MRI-VATTRUNK-VOL (SEE = 1526.9, p < 0.0005). DXA-SATANDROID-VOL predicted 81.5% of the variance in MRI-SATANDROID-VOL (SEE = 458.2, p < 0.0005). Bland-Altman analysis revealed a high level of agreement between MRI-VATANDROID-VOL and DXA-VATANDROID-VOL (mean bias = 58.45 cm3). A predicted mean DXA-VATANDROID-VOL of 995.2 cm3 was estimated as the population-specific cut-off point for high levels of VAT. CONCLUSION DXA-VATANDROID-VOL may accurately predict MRI-VATANDROID-VOL in persons with SCI. The ability of DXA to detect VAT changes in longitudinal studies in persons with SCI should be performed.
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Affiliation(s)
- Liron S McCauley
- Spinal Cord Injury and Disorders Hunter Holmes McGuire VA Medical Center, Richmond, VA, USA
| | - Mina P Ghatas
- Spinal Cord Injury and Disorders Hunter Holmes McGuire VA Medical Center, Richmond, VA, USA
| | - Ryan M Sumrell
- Spinal Cord Injury and Disorders Hunter Holmes McGuire VA Medical Center, Richmond, VA, USA
| | - Christopher M Cirnigliaro
- Department of Veterans Affairs Rehabilitation Research & Development Service National Center for the Medical Consequences of Spinal Cord Injury, James J. Peters Veterans Affairs Medical Center, Bronx, NY, USA
| | - Steven C Kirshblum
- Kessler Institute for Rehabilitation, West Orange, NJ, USA; Department of Physical Medicine and Rehabilitation, Rutgers New Jersey Medical School, Newark, NJ, USA
| | - William A Bauman
- Department of Veterans Affairs Rehabilitation Research & Development Service National Center for the Medical Consequences of Spinal Cord Injury, James J. Peters Veterans Affairs Medical Center, Bronx, NY, USA; Departments of Medicine and Rehabilitation Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Ashraf S Gorgey
- Spinal Cord Injury and Disorders Hunter Holmes McGuire VA Medical Center, Richmond, VA, USA; Physical Medicine and Rehabilitation Virginia Commonwealth University, Richmond, VA, USA.
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90
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Toxicity, Pharmacokinetics, and Gut Microbiome of Oral Administration of Sesterterpene MHO7 Derived from a Marine Fungus. Mar Drugs 2019; 17:md17120667. [PMID: 31779201 PMCID: PMC6950057 DOI: 10.3390/md17120667] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Revised: 11/25/2019] [Accepted: 11/25/2019] [Indexed: 12/21/2022] Open
Abstract
Sesterterpene MHO7 derived from mangrove fungus is a novel estrogen receptor degrader for the treatment of breast cancer. To explore its safety and pharmacokinetics in vivo, Log P/D values, stability in simulated gastric/intestinal (SGF/SIF), toxicity, and pharmacokinetics studies were carried mainly by liquid chromatography technique coupled with tandem mass spectrometry (LC–MS/MS) method in mice, and the effect of MHO7 on mice gut microbiota at different time points was revealed by 16S rRNA sequencing. Log P/D values ranged 0.93–2.48, and the compound in SGF and SIF is stable under the concentration of 5 mM·L−1. The maximum tolerance dose (MTD) of oral administration in mice was 2400 mg·kg−1. The main pharmacokinetics parameters were as following: Cmax of 1.38 μg·mL−1, Tmax of 8 h, a half-life (t1/2) of 6.97 h, an apparent volume of mean residual time (MRT) of 8.76 h, and an area under the curve (AUC) of 10.50 h·μg·mL−1. MHO7 displayed a wide tissue distribution in mice, with most of the compound in liver (3.01 ± 1.53 μg·g−1) at 1 h, then in fat (5.20 ± 3.47 μg·g−1) at 4 h, and followed by reproductive organs with the concentrations of 23.90 ± 11.33 μg·g−1,13.69 ± 10.29 μg·g−1, 1.46 ± 1.23 μg·g−1, and 0.36 ± 0.46 μg·g−1 at 8, 12, 20 and 30 h, respectively. The most influenced genera of gut microbiome belonged to phylum Firmicutes (21 of 28), among which 18 genera originated from the order Clostridiales, class Clostridia, and families of Ruminococcaceae (11 of 18) and Lachnospiraceae (4 of 18). These results provide that MHO7 is suitable for oral administration in the treatment of breast cancer with the target organs of reproductive organs and regulation on Ruminococcaceae and Lachnospiraceae.
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91
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Liu J, Hao W, He Z, Kwek E, Zhao Y, Zhu H, Liang N, Ma KY, Lei L, He WS, Chen ZY. Beneficial effects of tea water extracts on the body weight and gut microbiota in C57BL/6J mice fed with a high-fat diet. Food Funct 2019; 10:2847-2860. [PMID: 31062778 DOI: 10.1039/c8fo02051e] [Citation(s) in RCA: 96] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Accumulative evidence has suggested that tea consumption has benefits in reducing body fat and alleviating metabolic syndrome. We hypothesize that benefits of tea consumption can be partially mediated by modulating intestinal microbiota via inhibiting the formation of lipopolysaccharides (LPS) and promoting the production of short chain fatty acids (SCFAs). C57BL/6J mice were fed a high fat diet with the addition of 1% water extracts of green tea, oolong tea and black tea. Results showed that the dietary supplementation of three tea water extracts equally improved the glucose tolerance and reduced a high fat diet-induced gain in weight, hepatic lipids, and white adipose tissue weights. This was accompanied by a significant reduction in plasma LPS and a significant increase in the production of SCFAs. The metagenomic analyses showed that the tea extracts changed the overall composition of gut microbiota and decreased the relative abundance of family Rikenellaceae and Desulfovibrionaceae. In addition, tea water extracts could also change the abundance of key operational taxonomic units (OTUs) including OTU473 (Alistipes), OTU229 (Rikenella), OTU179 (Ruminiclostridium) and OTU264 (Acetatifactor). In conclusion, three tea extracts could improve the glucose tolerance, induce the production of SCFAs and inhibit the production of endotoxin LPS, most likely mediated by modulating gut microbiota.
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Affiliation(s)
- Jianhui Liu
- Food & Nutritional Sciences Programme, School of Life Sciences, The Chinese University of Hong Kong, Shatin, NT, Hong Kong, China.
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Metabolic and gut microbiome changes following GLP-1 or dual GLP-1/GLP-2 receptor agonist treatment in diet-induced obese mice. Sci Rep 2019; 9:15582. [PMID: 31666597 PMCID: PMC6821799 DOI: 10.1038/s41598-019-52103-x] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Accepted: 10/14/2019] [Indexed: 12/12/2022] Open
Abstract
Enteroendocrine L-cell derived peptide hormones, notably glucagon-like peptide-1 (GLP-1) and glucagon-like peptide-2 (GLP-2), have become important targets in the treatment of type 2 diabetes, obesity and intestinal diseases. As gut microbial imbalances and maladaptive host responses have been implicated in the pathology of obesity and diabetes, this study aimed to determine the effects of pharmacologically stimulated GLP-1 and GLP-2 receptor function on the gut microbiome composition in diet-induced obese (DIO) mice. DIO mice received treatment with a selective GLP-1 receptor agonist (liraglutide, 0.2 mg/kg, BID) or dual GLP-1/GLP-2 receptor agonist (GUB09–145, 0.04 mg/kg, BID) for 4 weeks. Both compounds suppressed caloric intake, promoted a marked weight loss, improved glucose tolerance and reduced plasma cholesterol levels. 16S rDNA sequencing and deep-sequencing shotgun metagenomics was applied for comprehensive within-subject profiling of changes in gut microbiome signatures. Compared to baseline, DIO mice assumed phylogenetically similar gut bacterial compositional changes following liraglutide and GUB09-145 treatment, characterized by discrete shifts in low-abundant species and related bacterial metabolic pathways. The microbiome alterations may potentially associate to the converging biological actions of GLP-1 and GLP-2 receptor signaling on caloric intake, glucose metabolism and lipid handling.
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93
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Waters JL, Ley RE. The human gut bacteria Christensenellaceae are widespread, heritable, and associated with health. BMC Biol 2019; 17:83. [PMID: 31660948 PMCID: PMC6819567 DOI: 10.1186/s12915-019-0699-4] [Citation(s) in RCA: 364] [Impact Index Per Article: 72.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Accepted: 09/17/2019] [Indexed: 12/18/2022] Open
Abstract
The Christensenellaceae, a recently described family in the phylum Firmicutes, is emerging as an important player in human health. The relative abundance of Christensenellaceae in the human gut is inversely related to host body mass index (BMI) in different populations and multiple studies, making its relationship with BMI the most robust and reproducible link between the microbial ecology of the human gut and metabolic disease reported to date. The family is also related to a healthy status in a number of other different disease contexts, including obesity and inflammatory bowel disease. In addition, Christensenellaceae is highly heritable across multiple populations, although specific human genes underlying its heritability have so far been elusive. Further research into the microbial ecology and metabolism of these bacteria should reveal mechanistic underpinnings of their host-health associations and enable their development as therapeutics.
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Affiliation(s)
- Jillian L Waters
- Department of Microbiome Science, Max Planck Institute for Developmental Biology, Max-Planck-Ring 5, 72076, Tuebingen, Germany
| | - Ruth E Ley
- Department of Microbiome Science, Max Planck Institute for Developmental Biology, Max-Planck-Ring 5, 72076, Tuebingen, Germany.
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94
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Renson A, Herd P, Dowd JB. Sick Individuals and Sick (Microbial) Populations: Challenges in Epidemiology and the Microbiome. Annu Rev Public Health 2019; 41:63-80. [PMID: 31635533 DOI: 10.1146/annurev-publhealth-040119-094423] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The human microbiome represents a new frontier in understanding the biology of human health. While epidemiology in this area is still in its infancy, its scope will likely expand dramatically over the coming years. To rise to the challenge, we argue that epidemiology should capitalize on its population perspective as a critical complement to molecular microbiome research, allowing for the illumination of contextual mechanisms that may vary more across populations rather than among individuals. We first briefly review current research on social context and the gut microbiome, focusing specifically on socioeconomic status (SES) and race/ethnicity. Next, we reflect on the current state of microbiome epidemiology through the lens of one specific area, the association of the gut microbiome and metabolic disorders. We identify key methodological shortcomings of current epidemiological research in this area, including extensive selection bias, the use of noncompositionally robust measures, and a lack of attention to social factors as confounders or effect modifiers.
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Affiliation(s)
- Audrey Renson
- Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, North Carolina 27599, USA;
| | - Pamela Herd
- McCourt School of Public Policy, Georgetown University, Washington, DC 20057, USA;
| | - Jennifer B Dowd
- Department of Global Health and Social Medicine, King's College London, London WC2B 4BG, United Kingdom; .,Current affiliation: Leverhulme Center for Demographic Science, University of Oxford, Oxford OX1 1JD, United Kingdom;
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95
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Amato KR, Jeyakumar T, Poinar H, Gros P. Shifting Climates, Foods, and Diseases: The Human Microbiome through Evolution. Bioessays 2019; 41:e1900034. [PMID: 31524305 DOI: 10.1002/bies.201900034] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2019] [Revised: 07/29/2019] [Indexed: 12/26/2022]
Abstract
Human evolution has been punctuated by climate anomalies, structuring environments, deadly infections, and altering landscapes. How well humans adapted to these new circumstances had direct effects on fitness and survival. Here, how the gut microbiome could have contributed to human evolutionary success through contributions to host nutritional buffering and infectious disease resistance is reviewed. How changes in human genetics, diet, disease exposure, and social environments almost certainly altered microbial community composition is also explored. Emerging research points to the microbiome as a key player in host responses to environmental change. Therefore, the reciprocal interactions between humans and their microbes are likely to have shaped human patterns of local adaptation throughout our shared evolutionary history. Recent alterations in human lifestyle, however, are altering human microbiomes in unprecedented ways. The consequences of interrupted host-microbe relationships for human adaptive potential in the future are unknown.
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Affiliation(s)
- Katherine R Amato
- Department of Anthropology, Northwestern University, 1810 Hinman Avenue, Evanston, IL, 60208, USA
| | - Thiviya Jeyakumar
- McGill Center for the Study of Complex Traits, Department of Human Genetics, Department of Biochemistry, McGill University, 3649 Sir William Osler Promenade, Montreal, QC, H3G 0B1, Canada
| | - Hendrik Poinar
- Department of Anthropology, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4M4, Canada
| | - Philippe Gros
- Department of Biochemistry, McGill University, 3649 Sir William Osler Promenade, Montreal, QC, H3G 0B1, Canada
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96
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Zhao R, Cheng N, Nakata PA, Zhao L, Hu Q. Consumption of polysaccharides from Auricularia auricular modulates the intestinal microbiota in mice. Food Res Int 2019; 123:383-392. [DOI: 10.1016/j.foodres.2019.04.070] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Revised: 04/28/2019] [Accepted: 04/30/2019] [Indexed: 02/06/2023]
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97
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Gutiérrez‐Repiso C, Hernández‐García C, García‐Almeida JM, Bellido D, Martín‐Núñez GM, Sánchez‐Alcoholado L, Alcaide‐Torres J, Sajoux I, Tinahones FJ, Moreno‐Indias I. Effect of Synbiotic Supplementation in a Very‐Low‐Calorie Ketogenic Diet on Weight Loss Achievement and Gut Microbiota: A Randomized Controlled Pilot Study. Mol Nutr Food Res 2019; 63:e1900167. [DOI: 10.1002/mnfr.201900167] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Revised: 06/10/2019] [Indexed: 12/18/2022]
Affiliation(s)
- Carolina Gutiérrez‐Repiso
- Unidad de Gestión Clínica de Endocrinología y Nutrición del Hospital Virgen de la VictoriaInstituto de Investigación Biomédica de Málaga (IBIMA)Universidad de Málaga Málaga 29010 Spain
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición CIBERobn Madrid 28029 Spain
| | - Carmen Hernández‐García
- Unidad de Gestión Clínica de Endocrinología y Nutrición del Hospital Virgen de la VictoriaInstituto de Investigación Biomédica de Málaga (IBIMA)Universidad de Málaga Málaga 29010 Spain
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición CIBERobn Madrid 28029 Spain
| | - José Manuel García‐Almeida
- Unidad de Gestión Clínica de Endocrinología y Nutrición del Hospital Virgen de la VictoriaInstituto de Investigación Biomédica de Málaga (IBIMA)Universidad de Málaga Málaga 29010 Spain
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición CIBERobn Madrid 28029 Spain
| | - Diego Bellido
- División de EndocrinologíaComplejo Hospitalario Universitario de FerrolUniversidad de La Coruña Ferrol 15405 Spain
| | - Gracia María Martín‐Núñez
- Unidad de Gestión Clínica de Endocrinología y Nutrición del Hospital Virgen de la VictoriaInstituto de Investigación Biomédica de Málaga (IBIMA)Universidad de Málaga Málaga 29010 Spain
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición CIBERobn Madrid 28029 Spain
| | - Lidia Sánchez‐Alcoholado
- Unidad de Gestión Clínica de Endocrinología y Nutrición del Hospital Virgen de la VictoriaInstituto de Investigación Biomédica de Málaga (IBIMA)Universidad de Málaga Málaga 29010 Spain
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición CIBERobn Madrid 28029 Spain
| | - Juan Alcaide‐Torres
- Unidad de Gestión Clínica de Endocrinología y Nutrición del Hospital Virgen de la VictoriaInstituto de Investigación Biomédica de Málaga (IBIMA)Universidad de Málaga Málaga 29010 Spain
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición CIBERobn Madrid 28029 Spain
| | - Ignacio Sajoux
- Medical Department PronokalPronokal Group Barcelona 08009 Spain
| | - Francisco J. Tinahones
- Unidad de Gestión Clínica de Endocrinología y Nutrición del Hospital Virgen de la VictoriaInstituto de Investigación Biomédica de Málaga (IBIMA)Universidad de Málaga Málaga 29010 Spain
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición CIBERobn Madrid 28029 Spain
| | - Isabel Moreno‐Indias
- Unidad de Gestión Clínica de Endocrinología y Nutrición del Hospital Virgen de la VictoriaInstituto de Investigación Biomédica de Málaga (IBIMA)Universidad de Málaga Málaga 29010 Spain
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición CIBERobn Madrid 28029 Spain
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98
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Jeyakumar T, Beauchemin N, Gros P. Impact of the Microbiome on the Human Genome. Trends Parasitol 2019; 35:809-821. [PMID: 31451407 DOI: 10.1016/j.pt.2019.07.015] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Revised: 07/30/2019] [Accepted: 07/30/2019] [Indexed: 02/07/2023]
Abstract
Humans live in a microbial world that includes pathogenic bacteria, viruses, and fungi that cause lethal infections. In addition, a large number of microbial communities inhabit mucosal surfaces where they provide key metabolic activities, facilitating adaptation to changing environments. New genome technologies enable both sequencing of the human genome and sequence-based cataloging of microbial communities inhabiting human mucosal surfaces. These have revealed intricate two-way relationships between the microbiome and the genome, including strong effects of human genotypes on the composition and activity of the microbiome. Likewise, the microbiome plays an important role in training and regulating the immune system, and acts to modify expression of human genetic risk for debilitating chronic inflammatory and immune conditions. These studies are suggesting a new role of the microbiome in human health and disease.
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Affiliation(s)
- Thiviya Jeyakumar
- Department of Biochemistry, McGill University, Montreal, Canada; McGill Center for the Study of Complex Traits, McGill University, Montreal, Canada
| | - Nicole Beauchemin
- Department of Biochemistry, McGill University, Montreal, Canada; Goodman Cancer Research Center, McGill University, Montreal, Canada
| | - Philippe Gros
- Department of Biochemistry, McGill University, Montreal, Canada; McGill Center for the Study of Complex Traits, McGill University, Montreal, Canada; Goodman Cancer Research Center, McGill University, Montreal, Canada.
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99
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Chang CS, Ruan JW, Kao CY. An overview of microbiome based strategies on anti-obesity. Kaohsiung J Med Sci 2019; 35:7-16. [PMID: 30844145 DOI: 10.1002/kjm2.12010] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Accepted: 12/03/2018] [Indexed: 12/27/2022] Open
Abstract
With the significant global obesity epidemic and emerging strong scientific evidence that connected gut microbiota to obesity, intervening obesity by targeting gut microbiota has become a trendy strategy. Particularly the application of probiotics has become remarkably popular because of their expected association with gut microbiota modulation. Although there are many literatures on the effects of probiotics in obese animal models, most of them reported the effects of probiotic bacteria on metabolic indications with limited information on anti-obesity itself. Besides, some probiotics have been shown to reduce certain metabolic symptoms but they failed to achieve weight loss. This report reviewed the current literatures on the anti-obesity effects of next-generation probiotics in various animal obesity models and discussed the beneficial potential of fecal microbiota transplantation in treating obesity in humans. The purpose of this article is to help guide further research improve the probiotic bacteria experiments in more precise animal obesity models by standardizing the anti-obesogenesis, obesity control, and treatment assays and hopefully the evidence-based investigations on harnessing gut microbiota through next-generation probiotics or fecal microbiota transplantation will develop new interventions to promote and achieve anti-obesity.
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Affiliation(s)
- Cherng-Shyang Chang
- Immunology Research Center, National Health Research Institutes, Zhunan, Miaoli, Taiwan
| | - Jhen-Wei Ruan
- Department of Medical Laboratory Science and Biotechnology, National Cheng Kung University, Tainan, Taiwan
| | - Cheng-Yuan Kao
- Immunology Research Center, National Health Research Institutes, Zhunan, Miaoli, Taiwan
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100
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Fei N, Bernabé BP, Lie L, Baghdan D, Bedu-Addo K, Plange-Rhule J, Forrester TE, Lambert EV, Bovet P, Gottel N, Riesen W, Korte W, Luke A, Kliethermes SA, Layden BT, Gilbert JA, Dugas LR. The human microbiota is associated with cardiometabolic risk across the epidemiologic transition. PLoS One 2019; 14:e0215262. [PMID: 31339887 PMCID: PMC6656343 DOI: 10.1371/journal.pone.0215262] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Accepted: 06/04/2019] [Indexed: 02/07/2023] Open
Abstract
Oral and fecal microbial biomarkers have previously been associated with cardiometabolic (CM) risk, however, no comprehensive attempt has been made to explore this association in minority populations or across different geographic regions. We characterized gut- and oral-associated microbiota and CM risk in 655 participants of African-origin, aged 25-45, from Ghana, South Africa, Jamaica, and the United States (US). CM risk was classified using the CM risk cut-points for elevated waist circumference, elevated blood pressure and elevated fasted blood glucose, low high-density lipoprotein (HDL), and elevated triglycerides. Gut-associated bacterial alpha diversity negatively correlated with elevated blood pressure and elevated fasted blood glucose. Similarly, gut bacterial beta diversity was also significantly differentiated by waist circumference, blood pressure, triglyceridemia and HDL-cholesterolemia. Notably, differences in inter- and intra-personal gut microbial diversity were geographic-region specific. Participants meeting the cut-points for 3 out of the 5 CM risk factors were significantly more enriched with Lachnospiraceae, and were significantly depleted of Clostridiaceae, Peptostreptococcaceae, and Prevotella. The predicted relative proportions of the genes involved in the pathways for lipopolysaccharides (LPS) and butyrate synthesis were also significantly differentiated by the CM risk phenotype, whereby genes involved in the butyrate synthesis via lysine, glutarate and 4-aminobutyrate/succinate pathways and LPS synthesis pathway were enriched in participants with greater CM risk. Furthermore, inter-individual oral microbiota diversity was also significantly associated with the CM risk factors, and oral-associated Streptococcus, Prevotella, and Veillonella were enriched in participants with 3 out of the 5 CM risk factors. We demonstrate that in a diverse cohort of African-origin adults, CM risk is significantly associated with reduced microbial diversity, and the enrichment of specific bacterial taxa and predicted functional traits in both gut and oral environments. As well as providing new insights into the associations between the gut and oral microbiota and CM risk, this study also highlights the potential for novel therapeutic discoveries which target the oral and gut microbiota in CM risk.
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Affiliation(s)
- Na Fei
- Microbiome Center, Department of Surgery, University of Chicago, Chicago, IL, United States of America
| | - Beatriz Peñalver Bernabé
- Microbiome Center, Department of Surgery, University of Chicago, Chicago, IL, United States of America
| | - Louise Lie
- Public Health Sciences, Stritch School of Medicine, Loyola University Chicago, Maywood, IL, United States of America
| | - Danny Baghdan
- Public Health Sciences, Stritch School of Medicine, Loyola University Chicago, Maywood, IL, United States of America
| | - Kweku Bedu-Addo
- Department of Physiology, SMS, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Jacob Plange-Rhule
- Department of Physiology, SMS, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Terrence E. Forrester
- Solutions for Developing Countries, University of the West Indies, Mona, Kingston, Jamaica
| | - Estelle V. Lambert
- Research Unit for Exercise Science and Sports Medicine, University of Cape Town, Cape Town, South Africa
| | - Pascal Bovet
- Institute of Social & Preventive Medicine, Lausanne University Hospital, Lausanne, Switzerland
- Ministry of Health, Mahé, Victoria, Republic of Seychelles
| | - Neil Gottel
- Microbiome Center, Department of Surgery, University of Chicago, Chicago, IL, United States of America
| | - Walter Riesen
- Center for Laboratory Medicine, Canton Hospital, St. Gallen, Switzerland
| | - Wolfgang Korte
- Center for Laboratory Medicine, Canton Hospital, St. Gallen, Switzerland
| | - Amy Luke
- Public Health Sciences, Stritch School of Medicine, Loyola University Chicago, Maywood, IL, United States of America
| | - Stephanie A. Kliethermes
- Department of Orthopedics and Rehabilitation, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, United States of America
| | - Brian T. Layden
- Division of Endocrinology, Diabetes, and Metabolism, University of Illinois at Chicago, Chicago, IL, United States of America
- Jesse Brown Veterans Affairs Medical Center, Chicago, Illinois, United States of America
| | - Jack A. Gilbert
- Microbiome Center, Department of Surgery, University of Chicago, Chicago, IL, United States of America
| | - Lara R. Dugas
- Public Health Sciences, Stritch School of Medicine, Loyola University Chicago, Maywood, IL, United States of America
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