In their long-term follow-up study, The same mouse monoclonal anti-human ALDH Clone 44 from BD Transduction LaboratoriesTM was used, and it turned out that high level of ALDH1 was detected in 19 % out of the total 442 ovarian carcinoma samples, and it was significantly associated with endometrioid adenocarcinoma, early-stage tumor, complete response to chemotherapy, low serum CA125 level and favorable survivals [24]. Here, ALDH1A1 is linked to ovarian carcinoma.