European Journal of Medicinal Chemistry p. 24 - 33 (2017)
Update date:2022-08-11
Topics:
Zhang, Renshuai
Yu, Rilei
Xu, Qi
Li, Xiangqian
Luo, Jiao
Jiang, Bo
Wang, Lijun
Guo, Shuju
Wu, Ning
Shi, Dayong
Protein tyrosine phosphatase 1B (PTP1B) is a key negative regulator of insulin signaling pathway. Inhibition of PTP1B is expected to improve insulin action. Appropriate selectivity and permeability are the gold standard for excellent PTP1B inhibitors. In this work, molecular hybridization-based screening identified a selective competitive PTP1B inhibitor. Compound 10a has IC50 values of 199?nM against PTP1B, and shows 32-fold selectivity for PTP1B over the closely related phosphatase TCPTP. Molecule docking and molecular dynamics studies reveal the reason of selectivity for PTP1B over TCPTP. Moreover, the cell permeability and cellular activity of compound 10a are demonstrated respectively.
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