For example, the dominant subtype in blood was ALDH3B1; however, the expression of ALDH1A1, ALDH1A2, and ALDH1B1 in the K562 chronic myeloid leukaemia cell line was higher than that of ALDH3B1 and ALDH3A1.17 Here, ALDH3B1 is linked to chronic myelogenous leukemia, BCR-ABL1 positive.