Signal transduction and cytoskeleton networks in a wide variety of cells display excitability, but the mechanisms are poorly understood. Here, we show that during random migration and in response to chemoattractants, cells maintain complementary spatial and temporal distributions of Ras activity and phosphatidylinositol (3,4)-bisphosphate [PI(3,4)P2]. In addition, depletion of PI(3,4)P2...
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Τρίτη 25 Σεπτεμβρίου 2018
Mutually inhibitory Ras-PI(3,4)P2 feedback loops mediate cell migration [Cell Biology]
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