S-nitrosylation/denitrosylation regulates myoblast proliferation.
Hugo P. Monteiro, Fernando T. Ogata American Journal of Physiology - Cell Physiology Published 1 August 2017 Vol. 313 no. 2, C131-C133
Myogenesis involves a complex series of signaling events that will result in the formation of muscle fibers. The participation of nitric oxide (NO) in myogenesis has been evidenced over the years. Most of the endogenous production of NO in skeletal muscle comes from the neuronal isoform of the NO synthase (nNOS). Subcellular compartmentalization of nNOS is essential to enable site-specific generation of NO and signaling through cGMP production and S-nitrosylation of proteins in skeletal muscle. It was earlier suggested that in skeletal muscle, nNOS interacts with two domains of caveolin-3, which is part of caveolae, an invagination of the sarcolemma. At the caveolae, nNOS and caveolin-3 form a signaling complex through additional interactions with Src kinase and p21Ras