Caveolins are predominantly located in the plasma membrane but can also be found in the Golgi apparatus and endoplasmic reticulum. Caveolin-1 and caveolin-2 are ubiquitously expressed in various tissues, including endothelial cells, adipocytes, and fibroblasts. Caveolin-3, however, is muscle-specific and is primarily found in skeletal and cardiac muscle tissues.
