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CNS Neurol Disord Drug Targets. 2014 Mar;13(2):305-11.

Role of gut microbiota in obesity, type 2 diabetes and Alzheimer's disease.

Author information

1
King Fahd Medical Research Center, King Abdulaziz University, Jeddah, 21589, Saudi Arabia. yasirphr@yahoo.com.

Abstract

In recent years, there is a growing interest in research to investigate the importance of gut microbiome in health and diseases. This opens a new area of research for the role of microbial flora of the human gut in inflammation, energy homeostasis, pathogenesis of obesity and other associated disorders. Recent studies propose association of the gut microbiome with development of obesity and metabolic syndromes, such as type 2 diabetes mellitus (T2DM). The T2DM is a metabolic disease that is mainly caused by obesity-linked insulin resistance. The vascular effects of obesity appears to play a role in the development of Alzheimer's disease (AD) that is one of the rapidly growing diseases of a late stage of life all over the world. Studies from both humans and mice models have been demonstrated the engagement of gut microbial flora in the pathogenesis of obesity and host metabolism. The aim of this review is to discuss the current findings that may explain the cascade of gut microbial flora participation in the development of obesity, T2DM and further initiation of AD. In addition, the available data regarding the mechanisms that have been proposed to elucidate the role of gut microbiota in weight gain and possible cause of T2DM and AD have been examined.

PMID:
24059313
DOI:
10.2174/18715273113126660147
[Indexed for MEDLINE]

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