Membrane localization of Src homology 2-containing inositol 5'-phosphatase 2 via Shc association is required for the negative regulation of insulin signaling in Rat1 fibroblasts overexpressing insulin receptors.


Lipid phosphatase SHIP2 [Src homology 2 (SH2)-containing inositol 5'-phosphatase 2] has been shown to be a physiologically critical negative regulator of insulin signaling. We investigated the molecular mechanism by which SHIP2 negatively regulates insulin-induced phosphorylation of Akt, a key downstream molecule of phosphatidylinositol 3-kinase important… (More)


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