More recently, it has been showed that CD133+ cells purified from endometrioid adenocarcinomas are resistant to cisplatin-induced and paclitaxel-induced cytotoxicity and express a peculiar gene signature consisting of high levels of matrix metalloproteases, interleukin-8, CD44, and CXCR4. This evidence concerns the gene CD44 and endometrioid adenocarcinoma.