Neurofibromin regulates G protein–stimulated adenylyl cyclase activity
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- 14 January 2002
- journal article
- Published by Springer Nature in Nature Neuroscience
- Vol. 5 (2) , 95-96
- https://doi.org/10.1038/nn792
Abstract
Neurofibromatosis type 1 (NF1) is a dominant genetic disorder characterized by multiple benign and malignant nervous system tumors, and by learning defects in 45% of children with NF1 mutations. Studies of neurofibromin, the protein encoded by NF1, have focused on its functions in tumorigenesis and regulation of Ras activity; however, Drosophila NF1 regulates both Ras and cyclic AMP (cAMP) pathways. Expression of a human NF1 transgene rescued cAMP-related phenotypes in NF1 mutant flies (small body size and G protein-stimulated adenylyl cyclase (AC) activity defects), and neuropeptide- and G protein-stimulated AC activity were lower in Nf1-/- as compared to Nf1+/- mouse brains, demonstrating that neurofibromin regulates AC activity in both mammals and flies.Keywords
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