
pmid: 16158942
handle: 11585/6169
The existence of a nuclear polyphosphoinositol metabolism, independent from that at the plasma cell membrane, is now widely recognized. Specific changes in the nuclear phosphatidylinositol (PtdIns) metabolism have been implicated in cell growth, differentiation and neoplastic transformation. Here, the main features of nuclear inositol lipid signaling through type I IGF receptor, is reviewed with particular attention to the role of inositide-specific phospholipase C (PI-PLC) beta1 in cell proliferation and differentiation, due to the peculiar localization of this molecule in the nuclear compartment.
Cell Nucleus, Phospholipase C beta, Cell Differentiation, Cell Growth Processes, Phosphatidylinositols, Receptor, IGF Type 1, Enzyme Activation, Isoenzymes, Myoblasts, Type C Phospholipases, Animals, Insulin-Like Growth Factor I, Signal Transduction
Cell Nucleus, Phospholipase C beta, Cell Differentiation, Cell Growth Processes, Phosphatidylinositols, Receptor, IGF Type 1, Enzyme Activation, Isoenzymes, Myoblasts, Type C Phospholipases, Animals, Insulin-Like Growth Factor I, Signal Transduction
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