The Neurofibromatosis 1 Gene Product Neurofibromin Regulates Pituitary Adenylate Cyclase-Activating Polypeptide-Mediated Signaling in Astrocytes

Abstract excerpt

Individuals with the neurofibromatosis 1 (NF1)-inherited tumor predisposition syndrome develop low-grade astrocytomas. The NF1 tumor suppressor gene product neurofibromin exhibits GTPase-activating activity (GAP) toward RAS, such that loss of neurofibromin expression leads to high levels of activated RAS and increased cell proliferation. Previous work has demonstrated that Nf1 inactivation in astrocytes leads to...

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