Volume 5 Issue 3
Mar.  2014
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Yipeng Du, Taotao Wei. Inputs and outputs of insulin receptor[J]. Protein&Cell, 2014, 5(3): 203-213. doi: 10.1007/s13238-014-0030-7
Citation: Yipeng Du, Taotao Wei. Inputs and outputs of insulin receptor[J]. Protein&Cell, 2014, 5(3): 203-213. doi: 10.1007/s13238-014-0030-7

Inputs and outputs of insulin receptor

doi: 10.1007/s13238-014-0030-7
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This work was supported by grants from the National Basic Research Program of China (2010CB833701) and the National Natural Science Foundation of China (Grant No. 31070736). The authors are indebted to Profs. Fuyu Yang and Pingsheng Liu (IBP, CAS) for helpful comments and suggestions.

  • Received Date: 2013-12-28
  • Rev Recd Date: 2014-01-26
  • The insulin receptor (IR) is an important hub in insulin signaling and its activation is tightly regulated. Upon insulin stimulation, IR is activated through autophosphorylation, and consequently phosphorylates several insulin receptor substrate (IRS) proteins, including IRS1-6, Shc and Gab1. Certain adipokines have also been found to activate IR. On the contrary, PTP, Grb and SOCS proteins, which are responsible for the negative regulation of IR, are characterized as IR inhibitors. Additionally, many other proteins have been identified as IR substrates and participate in the insulin signaling pathway. To provide a more comprehensive understanding of the signals mediated through IR, we reviewed the upstream and downstream signal molecules of IR, summarized the positive and negative modulators of IR, and discussed the IR substrates and interacting adaptor proteins. We propose that the molecular events associated with IR should be integrated to obtain a better understanding of the insulin signaling pathway and diabetes.
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