Protein phosphatase 1α mediates ceramide-induced ERM protein dephosphorylation: a novel mechanism independent of phosphatidylinositol 4, 5-biphosphate (PIP2) and myosin/ERM phosphatase.

Abstract excerpt

ERM (ezrin, radixin, and moesin) proteins are cytoskeletal interacting proteins that bind cortical actin, the plasma membrane, and membrane proteins, which are found in specialized plasma membrane structures such as microvilli and filopodia. ERM proteins are regulated by phosphatidylinositol 4, 5-biphosphate (PIP(2)) and by phosphorylation of a C-terminal threonine, and its inactivation involves PIP(2) hydrolysis...

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• Ceramides
• Cytoskeletal Proteins
• Lysophospholipids
• Okadaic Acid
• Phosphatidylinositol 4,5-Diphosphate