APOA1 mimetic peptides are 18‐amino acid sequences that recapitulate the secondary structure and partial function of APOA1.22 APOA1 mimetic peptides were found to inhibit the development of ovarian cancer,23 breast cancer,24 colon cancer,25 and pancreatic cancer 26 both in vitro and in vivo. This evidence concerns the gene APOA1 and breast cancer.