Point mutation in the fibroblast growth factor receptor eliminates phosphatidylinositol hydrolysis without affecting neuronal differentiation of PC12 cells.


Fibroblast growth factors (FGF) stimulate growth arrest and differentiation in rat pheochromocytoma PC12 cells. We examined the role of phosphatidylinositol (PI) hydrolysis in FGF-induced differentiation of PC12 cells by exploring the biological and biochemical activity of a mutant FGF receptor 1 (flg) defective in stimulation of PI hydrolysis. We show that… (More)


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