Oleanolic acid and its derivatives: New inhibitor of protein tyrosine phosphatase 1B with cellular activities
作者:Yi-Nan Zhang、Wei Zhang、Di Hong、Lei Shi、Qiang Shen、Jing-Ya Li、Jia Li、Li-Hong Hu
DOI:10.1016/j.bmc.2008.07.080
日期:2008.9
Proteintyrosinephosphatase1B is a key factor in the negative regulation of insulin pathway and a promising target for treatment of diabetes and obesity. Herein, a series of competitive inhibitors were optimized from oleanolic acid, a natural triterpenoid identified against PTP1B by screening libraries of traditional Chinese medicinal herbs. Modifying at 3 and 28 positions, we obtained compound 13