The role of gut microbiota and amino metabolism in the effects of improvement of islet β-cell function after modified jejunoileal bypass

Abstract The change in gut microbiota is an important mechanism of the amelioration of type 2 diabetes mellitus (T2DM) after bariatric surgery. Here, we observe that the modified jejunoileal bypass effectively decreases body weight gain, fasting blood glucose, and lipids level in serum; additionally...

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Autores principales: Cai Tan, Zhihua Zheng, Xiaogang Wan, Jiaqing Cao, Ran Wei, Jinyuan Duan
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Publicado: Nature Portfolio 2021
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Acceso en línea:https://doaj.org/article/d24326a788334a70af9c6f6e98fe8e7d
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spelling oai:doaj.org-article:d24326a788334a70af9c6f6e98fe8e7d2021-12-02T13:20:23ZThe role of gut microbiota and amino metabolism in the effects of improvement of islet β-cell function after modified jejunoileal bypass10.1038/s41598-021-84355-x2045-2322https://doaj.org/article/d24326a788334a70af9c6f6e98fe8e7d2021-02-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-84355-xhttps://doaj.org/toc/2045-2322Abstract The change in gut microbiota is an important mechanism of the amelioration of type 2 diabetes mellitus (T2DM) after bariatric surgery. Here, we observe that the modified jejunoileal bypass effectively decreases body weight gain, fasting blood glucose, and lipids level in serum; additionally, islet β-cell function, glucose tolerance, and insulin resistance were markedly ameliorated. The hypoglycemic effect and the improvement in islet β-cell function depend on the changes in gut microbiota structure. modified jejunoileal bypass increases the abundance of gut Escherichia coli and Ruminococcus gnavus and the levels of serum glycine, histidine, and glutamine in T2DM rats; and decreases the abundance of Prevotella copri and the levels of serum branched chain amino acids, which are significantly related to the improvement of islet β-cell function in T2DM rats. Our results suggest that amino acid metabolism may contribute to the islet β-cell function in T2DM rats after modified jejunoileal bypass and that improving gut microbiota composition is a potential therapeutic strategy for T2DM.Cai TanZhihua ZhengXiaogang WanJiaqing CaoRan WeiJinyuan DuanNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-14 (2021)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Cai Tan
Zhihua Zheng
Xiaogang Wan
Jiaqing Cao
Ran Wei
Jinyuan Duan
The role of gut microbiota and amino metabolism in the effects of improvement of islet β-cell function after modified jejunoileal bypass
description Abstract The change in gut microbiota is an important mechanism of the amelioration of type 2 diabetes mellitus (T2DM) after bariatric surgery. Here, we observe that the modified jejunoileal bypass effectively decreases body weight gain, fasting blood glucose, and lipids level in serum; additionally, islet β-cell function, glucose tolerance, and insulin resistance were markedly ameliorated. The hypoglycemic effect and the improvement in islet β-cell function depend on the changes in gut microbiota structure. modified jejunoileal bypass increases the abundance of gut Escherichia coli and Ruminococcus gnavus and the levels of serum glycine, histidine, and glutamine in T2DM rats; and decreases the abundance of Prevotella copri and the levels of serum branched chain amino acids, which are significantly related to the improvement of islet β-cell function in T2DM rats. Our results suggest that amino acid metabolism may contribute to the islet β-cell function in T2DM rats after modified jejunoileal bypass and that improving gut microbiota composition is a potential therapeutic strategy for T2DM.
format article
author Cai Tan
Zhihua Zheng
Xiaogang Wan
Jiaqing Cao
Ran Wei
Jinyuan Duan
author_facet Cai Tan
Zhihua Zheng
Xiaogang Wan
Jiaqing Cao
Ran Wei
Jinyuan Duan
author_sort Cai Tan
title The role of gut microbiota and amino metabolism in the effects of improvement of islet β-cell function after modified jejunoileal bypass
title_short The role of gut microbiota and amino metabolism in the effects of improvement of islet β-cell function after modified jejunoileal bypass
title_full The role of gut microbiota and amino metabolism in the effects of improvement of islet β-cell function after modified jejunoileal bypass
title_fullStr The role of gut microbiota and amino metabolism in the effects of improvement of islet β-cell function after modified jejunoileal bypass
title_full_unstemmed The role of gut microbiota and amino metabolism in the effects of improvement of islet β-cell function after modified jejunoileal bypass
title_sort role of gut microbiota and amino metabolism in the effects of improvement of islet β-cell function after modified jejunoileal bypass
publisher Nature Portfolio
publishDate 2021
url https://doaj.org/article/d24326a788334a70af9c6f6e98fe8e7d
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