ABL1 and chronic myelogenous leukemia, BCR-ABL1 positive: Bafilomycin A1, a vacuolar-type H-ATPase inhibitor, and chloroquine (CQ), hydroxychloroquine (HCQ), and NH4Cl, which all inhibit the formation of autophagosomes, sensitized CML cell lines, including those carrying resistant BCR-ABL mutants, to imatinib [68, 70].