ALDH2 and neoplasm: On the 10th day after subcutaneous tumour transplantation, the control group and ALDH2-overexpression group were administered 0.9% normal saline, Ara-C (60 mg/kg) or Ara-C combined with the ALDH2 inhibitor CVT-10216 (5 μg/kg) three times a week for 4 consecutive weeks, and the tumour growth and physical fitness of the mice were monitored.