CIDEA and ovarian cancer: Indeed, Cidea transcripts are known to be abundant in white and brown fat as well as mammary tissue; the gene is also expressed at varying levels in heart, lung, skeletal muscle, spleen, thymus, lymphatic tissue, liver, stomach, brain, oocytes, placenta, kidney (36–39), as well as colorectal and prostate cancer cells and endometrial (40) and ovarian cancer cells (41).