Abstract Title:

Berberine alleviates adipose tissue fibrosis by inducing AMP-activated kinase signaling in high-fat diet-induced obese mice.

Abstract Source:

Biomed Pharmacother. 2018 May 28 ;105:121-129. Epub 2018 May 28. PMID: 29852389

Abstract Author(s):

Lijun Wang, Xiao Ye, Yanyin Hua, Yingxiang Song

Article Affiliation:

Lijun Wang


Adipose tissue fibrosis is a novel mechanism for the development of obesity related insulin resistance. Berberine (BBR) has been shown to relieve several metabolic disorders, including obesity and type 2 diabetes. However, the effects of BBR on obesity related adipose fibrosis remain poorly understood. The objective of this study was to assess the effects of BBR on adipose tissue fibrosis in high fat diet (HFD)-induced obese mice. The results showed that BBR reduced animal body weight and significantly improved glucose tolerance in HFD mice. In addition, BBR treatment markedly attenuated collagen deposition and reversed the up-regulation of fibrosis associated genes in the adipose tissue of HFD mice. Moreover, BBR treatment activated AMP-activated kinase signaling and reduced TGF-β1 and Smad3 phosphorylation. Of note, the inhibitory effects of BBR on adipose tissue fibrosis were significantly blocked by AMPK inhibition with compound C, an AMPK inhibitor. Macrophage infiltration and polarization induced by HFD were also reversed after BBR administration. These findings suggest that BBR displays beneficial effects in the treatment of obesity, in part via improvement of adipose tissue fibrosis.

Study Type : Animal Study

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