title: Mechanisms of resistance to 6-thiopurines in human leukemia.
mesh_terms: D000225:Adenine; D000469:Alkaline Phosphatase / Q000378:metabolism*; D004351:Drug Resistance; D006147:Guanine; D006801:Humans; D007042:Hypoxanthines; D007938:Leukemia / Q000188:drug therapy / Q000201:enzymology; D007945:Leukemia, Lymphoid / Q000188:drug therapy / Q000201:enzymology*; D008214:Lymphocytes / Q000201:enzymology*; D015122:Mercaptopurine / Q000627:therapeutic use*; D010430:Pentosyltransferases / Q000378:metabolism*; D013866:Thioguanine
chemical_list: D007042:Hypoxanthines; D006147:Guanine; D015122:Mercaptopurine; D010430:Pentosyltransferases; D000469:Alkaline Phosphatase; D013866:Thioguanine; D000225:Adenine