Caveolin-1 or CAV1 is a scaffolding proteins within caveolar membranes. It interacts directly with G-protein alpha subunits and can functionally regulate their activity. Caveolin-1 is also involved in the co-stimulatory signal essential for T-cell receptor (TCR) mediated T-cell activation. It can bind with DPP4 and induces T-cell proliferation and NF-kappa-B activation in a T-cell receptor/CD3-dependent manner. Mutations affecting the CAV1 gene can result in congenital generalized lipodystrophy 3, pulmonary hypertension primary 3, or partial lipodystrophy/congenital cataracts, and neurodegeneration syndrome.
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Protein Aliases: caveolae; caveolin 1, caveolae protein, 22kDa; caveolin caveolae protein 22 kDa; caveolin, caveolae protein 1; caveolin, caveolae protein, 22 kDa; Caveolin-1; cell growth-inhibiting protein 32; HGNC:1527; OTTHUMP00000196475
Gene Aliases: BSCL3; CAV; Cav-1; CAV1; CGL3; LCCNS; MSTP085; PPH3; VIP21
Molecular Function: scaffold/adaptor protein