期刊
HORMONE AND METABOLIC RESEARCH
卷 41, 期 4, 页码 271-276出版社
GEORG THIEME VERLAG KG
DOI: 10.1055/s-0028-1103277
关键词
ginsenoside Rh2; glucocorticoid receptor; adipogenesis; cell line
资金
- Tzu Chi College of Technology [TCCT-942A11]
Adipocyte plays an important role in lipid regulation in mammals. Understanding of adipocyte differentiation becomes a key issue for the development of anti-obesity agent. Glucocorticoids (GCs) regulate lipid metabolism through promoting lipogenesis in adipose tissue. Ginsenoside Rh2, with a similar chemical Structure as M, shows antidiabetic, anti-inflammatory, and anticancer actions both in vivo and in vitro. However, effect of Rh2 On glucocorticoid receptor (GR) for an increase of adipogenesis like GCs remains unclear. In the present study, we employed ginsenoside Rh2 to investigate the changes in adipogenetic process of 3T3-L1, one of the widely used preadipocytes, through activating GR or not. In leuciferase assay, we found that ginsenoside Rh2 induced GRs transitivity in a way as dexamethasone, which was deleted by RU486 at concentrations sufficient to block GR. Moreover, 3T3-L1 preadipocytes were differentiated into adipocytes by adipogenic induction medium containing 0.01 to 1 mu M of ginsenoside Rh2. Also, RU486 blocked this adipogenesis induced by ginsenoside Rh2 or dexamethasone. The obtained results Suggest that ginsenoside Rh2 can promote preadipocytes differentiation through activating GR. This finding seems helpful for the understanding of ginsenosides in the regulation of lipid metabolism.
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