CAV1 and breast cancer: Since then, numerous data have been collected from cell lines involving both Cav-1 and -2 (Sagara et al., 2004), [colon carcinoma (Bender et al., 2000), human breast cancer (Lee et al., 1998), and ovarian carcinoma (Miotti et al., 2005)], or only Cav-1 (Racine et al., 1999).