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Chinese Journal of Clinical Pharmacology and Therapeutics ›› 2011, Vol. 16 ›› Issue (10): 1179-1185.

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Progress in protein tyrosine phosphates (PTPs) related to insulin signaling pathway

DONG Min, LIU Zhao-qian   

  1. Institute of Clinical Pharmacology, Human Key Laboratory of Pharmacogenetics, Central South University Xiangya School of Medicine, Changsha 410078, Hunan, China
  • Received:2011-08-01 Revised:2011-09-23 Online:2011-10-26 Published:2011-11-02

Abstract: Protein tyrosine phosphates (PTPs) are key regulators of the insulin receptor signal transduction pathway. Insulin signaling is tightly regulated by the balance of IR tyrosine phosphorylation and dephosphorylating. Several PTPs expressed in the major human insulin target tissues or cells and could attenuate insulin action by dephosphorylating the IR. Inhibiting several PTPs would prolong insulin signaling and facilitate glucose uptake and decrease blood glucose. Inhibitors of several PTPs are predicted to be the novel drug targets for type 2 diabetes and obesity treatment.

Key words: Protein tyrosine phosphates, Type 2 diabetes, Insulin signal, Protein tyrosine phosphates inhibitor

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