Curcumin represses adipogenic differentiation of human bone marrow mesenchymal stem cells via inhibiting kruppel-like factor 15 expression.
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| Abstract |
Understanding the mechanisms of adipogenic differentiation may lead to the discovery of novel therapeutic targets for obesity. The natural plant polyphenol compound curcumin can improve obesity-associated inflammation and diabetes in obese mice. The role of curcumin in adipogenic differentiation of human bone marrow mesenchymal stem cells (hMSCs) is still unclear. We used hMSCs to investigate the details of the mechanism underlying the adipogenic effects of curcumin. At different time points (i.e., 5 days and 10 days) of hMSC adipocyte differentiation, an accumulation of large lipid droplets was analyzed in Oil Red O-stained cultured cells in two curcumin (5 μM and 10 μM) groups and the control group. The cells were also harvested for the detection of mRNA and protein expressions by quantitative real-time polymerase chain reaction and Western blot analysis. The results showed that curcumin can suppresses adipocyte differentiation in a dose-dependent manner and inhibited the expression of PPARγ, C/EBPα, and FABP4. Importantly, curcumin can also suppress the expression of Kruppel-like factor 15, which may bind to the PPARγ promoter, resulting in downregulation of PPARγ expression to inhibit the adipogenic differentiation of hMSCs.
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| Authors | Tao Wang, Ruiqiao Yan, Xiaoyuan Xu, Xingnuan Li, Lingling Cao, Liyun Gao, Jianyun Liu, Xiaoou Zhou, Hui Yu, Xinping Wang, He Jiang, Yaofang Yang |
| Journal | Acta histochemica (Acta Histochem) Vol. 121 Issue 2 Pg. 253-259 (Feb 2019) ISSN: 1618-0372 [Electronic] Germany |
| PMID | 30611528 (Publication Type: Journal Article) |
| Copyright | Copyright © 2018 Elsevier GmbH. All rights reserved. |
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