Article ID Journal Published Year Pages File Type
2548921 Journal of Pharmacological Sciences 2015 6 Pages PDF
Abstract

The phosphatidylethanolamine derivative 1,2-O-bis-[8-{2-(2-pentyl-cyclopropylmethyl)-cyclopropyl}-octanoyl]-sn-glycero-3-phosphatidylethanolamine (diDCP-LA-PE) promoted GLUT4 translocation to the cell surface in differentiated 3T3-L1-GLUT4myc adipocytes through a pathway along a phosphatidylinositol 3-kinase (PI3K)/3-phosphoinositide-dependent protein kinase-1 (PDK1)/Akt axis, that mimics insulin signaling. Moreover, diDCP-LA-PE-induced GLUT4 translocation was suppressed by inhibitors of the Rho GTPase Rac1 and Rho-associated coiled-coil-containing protein kinase (ROCK) or knocking-down Rac1 and ROCK1. The results of the present study show that Rac1 and ROCK are critical for regulation of GLUT4 trafficking by diDCP-LA-PE as well as insulin.

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