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Article Publish Status: FREE
Abstract Title:

Berberine Alleviates Olanzapine-Induced Adipogenesis via the AMPKα-SREBP Pathway in 3T3-L1 Cells.

Abstract Source:

Int J Mol Sci. 2016 Nov 9 ;17(11). Epub 2016 Aug 9. PMID: 27834848

Abstract Author(s):

Yanjie Li, Xiaomin Zhao, Xiyu Feng, Xuemei Liu, Chao Deng, Chang-Hua Hu

Article Affiliation:

Yanjie Li

Abstract:

The aim of this study was to investigate the mechanisms underlying the inhibitory effects of berberine (BBR) on olanzapine (OLZ)-induced adipogenesis in a well-replicated 3T3-L1 cell model. Oil-Red-O (ORO) staining showed that BBR significantly decreased OLZ-induced adipogenesis. Co-treatment with OLZ and BBR decreased the accumulation of triglyceride (TG) and total cholesterol (TC) by 55.58%± 3.65% and 49.84% ± 8.31%, respectively, in 3T3-L1 adipocytes accompanied by reduced expression of Sterol regulatory element binding proteins 1 (SREBP1), fatty acid synthase (FAS), peroxisome proliferator activated receptor-γ (PPARγ), SREBP2, low-density lipoprotein receptor (LDLR), and hydroxymethylglutaryl-coenzyme A reductase (HMGR) genes compared with OLZ alone. Consistently, the co-treatment downregulated protein levels of SREBP1, SREBP2, and LDLR by 57.71% ± 9.42%, 73.05% ± 11.82%, and 59.46% ± 9.91%, respectively. In addition, co-treatment reversed the phosphorylation level of AMP-activated protein kinase-α (AMPKα), which was reduced by OLZ, determined via the ratio of pAMPKα:AMPKα (94.1%) compared with OLZ alone. The results showed that BBR may prevent lipid metabolism disorders caused by OLZ by reversing the degree of SREBP pathway upregulated and the phosphorylationof AMPKα downregulated. Collectively, these results indicated that BBR could be used as a potential adjuvant to prevent dyslipidemia and obesity caused by the use of second-generation antipsychotic medication.

Study Type : In Vitro Study

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