Effects of Metformin on the Gut Microbiota in Obesity and Type 2 Diabetes Mellitus

Qi Zhang,1 Nan Hu2 1Department of Pharmacy, Changzhou No.7 People’s Hospital, Changzhou 213000, People’s Republic of China; 2Department of Pharmacy, The Third Affiliated Hospital of Soochow University, Changzhou 213000, People’s Republic of ChinaCorrespondence: Nan HuDe...

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Autores principales:	Zhang Q, Hu N
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2020
Materias:	metformin gut microbiota obesity type 2 diabetes mellitus Specialties of internal medicine RC581-951
Acceso en línea:	https://doaj.org/article/e8064fb5a1f343d5bc59da3837413ef2
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spelling	oai:doaj.org-article:e8064fb5a1f343d5bc59da3837413ef22021-12-02T12:02:57ZEffects of Metformin on the Gut Microbiota in Obesity and Type 2 Diabetes Mellitus1178-7007https://doaj.org/article/e8064fb5a1f343d5bc59da3837413ef22020-12-01T00:00:00Zhttps://www.dovepress.com/effects-of-metformin-on-the-gut-microbiota-in-obesity-and-type-2-diabe-peer-reviewed-article-DMSOhttps://doaj.org/toc/1178-7007Qi Zhang,1 Nan Hu2 1Department of Pharmacy, Changzhou No.7 People’s Hospital, Changzhou 213000, People’s Republic of China; 2Department of Pharmacy, The Third Affiliated Hospital of Soochow University, Changzhou 213000, People’s Republic of ChinaCorrespondence: Nan HuDepartment of Pharmacy, The Third Affiliated Hospital of Soochow University, Changzhou 213000, People’s Republic of ChinaTel +86-519-68870870Email hn_324@163.comAbstract: Metformin is a first-line treatment for type 2 diabetes mellitus (T2DM); however, its underlying mechanism is not fully understood. Gut microbiota affect the development and progression of T2DM. In recent years, an increasing number of studies has focused on the relationship between metformin and gut microbiota, suggesting that metformin might exert part of its hypoglycemic effect through these microbes. However, most of these results were not consistent due to the complex composition of the microbiota, the differences between species, the large variation between individuals, and the differences in experimental design, bringing great obstacle for our better understanding of the effects of metformin on the gut microbiota. Here, we reviewed the published papers concerning about the impacts of metformin on the gut microbiota of mice, rats, and humans with obesity or T2DM, and summarized the changes of gut microbiota composition caused by metformin and the possible underlying hypoglycemic mechanism which is related to gut microbiota. It was found that the proportions of some microbiota, such as phyla Bacteroidetes and Verrucomicrobia and genera Akkermansia, Bacteroides and Escherichia, were significantly affected by metformin in several studies. Metformin may exert part of hypoglycemic effects by altering the gut microbiota in ways that maintain the integrity of the intestinal barrier, promote the production of short-chain fatty acids (SCFAs), regulate bile acid metabolism, and improve glucose homeostasis.Keywords: metformin, gut microbiota, obesity, type 2 diabetes mellitusZhang QHu NDove Medical Pressarticlemetformingut microbiotaobesitytype 2 diabetes mellitusSpecialties of internal medicineRC581-951ENDiabetes, Metabolic Syndrome and Obesity: Targets and Therapy, Vol Volume 13, Pp 5003-5014 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	metformin gut microbiota obesity type 2 diabetes mellitus Specialties of internal medicine RC581-951
spellingShingle	metformin gut microbiota obesity type 2 diabetes mellitus Specialties of internal medicine RC581-951 Zhang Q Hu N Effects of Metformin on the Gut Microbiota in Obesity and Type 2 Diabetes Mellitus
description	Qi Zhang,1 Nan Hu2 1Department of Pharmacy, Changzhou No.7 People’s Hospital, Changzhou 213000, People’s Republic of China; 2Department of Pharmacy, The Third Affiliated Hospital of Soochow University, Changzhou 213000, People’s Republic of ChinaCorrespondence: Nan HuDepartment of Pharmacy, The Third Affiliated Hospital of Soochow University, Changzhou 213000, People’s Republic of ChinaTel +86-519-68870870Email hn_324@163.comAbstract: Metformin is a first-line treatment for type 2 diabetes mellitus (T2DM); however, its underlying mechanism is not fully understood. Gut microbiota affect the development and progression of T2DM. In recent years, an increasing number of studies has focused on the relationship between metformin and gut microbiota, suggesting that metformin might exert part of its hypoglycemic effect through these microbes. However, most of these results were not consistent due to the complex composition of the microbiota, the differences between species, the large variation between individuals, and the differences in experimental design, bringing great obstacle for our better understanding of the effects of metformin on the gut microbiota. Here, we reviewed the published papers concerning about the impacts of metformin on the gut microbiota of mice, rats, and humans with obesity or T2DM, and summarized the changes of gut microbiota composition caused by metformin and the possible underlying hypoglycemic mechanism which is related to gut microbiota. It was found that the proportions of some microbiota, such as phyla Bacteroidetes and Verrucomicrobia and genera Akkermansia, Bacteroides and Escherichia, were significantly affected by metformin in several studies. Metformin may exert part of hypoglycemic effects by altering the gut microbiota in ways that maintain the integrity of the intestinal barrier, promote the production of short-chain fatty acids (SCFAs), regulate bile acid metabolism, and improve glucose homeostasis.Keywords: metformin, gut microbiota, obesity, type 2 diabetes mellitus
format	article
author	Zhang Q Hu N
author_facet	Zhang Q Hu N
author_sort	Zhang Q
title	Effects of Metformin on the Gut Microbiota in Obesity and Type 2 Diabetes Mellitus
title_short	Effects of Metformin on the Gut Microbiota in Obesity and Type 2 Diabetes Mellitus
title_full	Effects of Metformin on the Gut Microbiota in Obesity and Type 2 Diabetes Mellitus
title_fullStr	Effects of Metformin on the Gut Microbiota in Obesity and Type 2 Diabetes Mellitus
title_full_unstemmed	Effects of Metformin on the Gut Microbiota in Obesity and Type 2 Diabetes Mellitus
title_sort	effects of metformin on the gut microbiota in obesity and type 2 diabetes mellitus
publisher	Dove Medical Press
publishDate	2020
url	https://doaj.org/article/e8064fb5a1f343d5bc59da3837413ef2
work_keys_str_mv	AT zhangq effectsofmetforminonthegutmicrobiotainobesityandtype2diabetesmellitus AT hun effectsofmetforminonthegutmicrobiotainobesityandtype2diabetesmellitus
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Effects of Metformin on the Gut Microbiota in Obesity and Type 2 Diabetes Mellitus

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