title: Cysteine chloromethyl and diazomethyl ketone derivatives with potent anti-leukemic activity.
abstract: A series of cysteine diazomethyl- and chloromethyl ketone derivatives has been synthesized and evaluated against human B-lineage (Nalm-6) and T-lineage (Molt-3) acute lymphoblastic leukemia cell lines. The chloromethyl ketone compounds showed potent cytotoxicity against these cell lines, with IC50 values in the low micromolar range. The best compounds were N-acetyl-S-dodecyl-Cys chloromethyl ketone (IC50 = 2.0 microM against Nalm-6, 2.3 microM against Molt-3) and N-acetyl-S-trans,trans-farnesyl-Cys chloromethyl ketone (IC50 = 3.0 microM against Nalm-6 and 1.4 microM against Molt-3).
authors.affiliation: Parker Hughes Cancer Center, Parker Hughes Institute, St. Paul, MN 55113, USA.
authors.forename: D A
authors.initials: DA
authors.lastname: Perrey
authors.forename: R K
authors.initials: RK
authors.lastname: Narla
authors.forename: F M
authors.initials: FM
authors.lastname: Uckun
mesh_terms: D000590:Amino Acid Chloromethyl Ketones / Q000138:chemical synthesis* / Q000494:pharmacology; D000970:Antineoplastic Agents / Q000138:chemical synthesis* / Q000494:pharmacology; D002460:Cell Line; D004396:Coloring Agents; D003545:Cysteine / Q000031:analogs & derivatives* / Q000138:chemical synthesis* / Q000494:pharmacology; D006801:Humans; D054198:Precursor Cell Lymphoblastic Leukemia-Lymphoma / Q000188:drug therapy*; D013778:Tetrazolium Salts; D013844:Thiazoles; D014407:Tumor Cells, Cultured; D016159:Tumor Suppressor Protein p53 / Q000378:metabolism
chemical_list: D000590:Amino Acid Chloromethyl Ketones; D000970:Antineoplastic Agents; D004396:Coloring Agents; D013778:Tetrazolium Salts; D013844:Thiazoles; D016159:Tumor Suppressor Protein p53; C022616:thiazolyl blue; D003545:Cysteine