These markers include CD34+CD38- in the case of acute myeloid leukemia, CD44+CD24lowESA- in breast and pancreatic cancer, CD133+ in brain tumors and colon cancer, CD44+ in head and neck cancer and EpCAMhighCD44+CD166+ in colorectal cancer [7-15]. This evidence concerns the gene CD44 and familial pancreatic carcinoma.