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Novel azolyl-(phenylmethyl)]aryl/heteroarylamines: Potent CYP26 inhibitors and enhancers of all-trans retinoic acid activity in neuroblastoma cells

Lookup NU author(s): Dr Jane Renwick, Professor Gareth Veal, Dr Chris RedfernORCiD


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The synthesis and potent inhibitory activity of novel 4-[(imidazol-1-yl and triazol-1-yl)(phenyl)methyl]aryl-and heteroaryl amines versus a MCF-7 CYP26A1 cell assay is described. Biaryl imidazole ([4-(imidazol-1-yl-phenyl-methyl)-phenyl]-naphthalen-2-yl-amine (8), IC50 = 0.5 μM; [4-(imidazol-1-yl-phenyl-methyl)-phenyl]-indan-5-yl-amine (9), IC50 = 1.0 μM) and heteroaryl imidazole derivatives ((1H-benzoimidazol-2-yl)-{4-[(5H-imidazol-1-yl)-phenyl-methyl]-phenyl}-amine (15), IC50 = 2.5 μM; benzooxazol-2-yl-{4-[(5H-imidazol-1-yl)-phenyl-methyl]-phenyl}-amine (16), IC50 = 0.9 μM; benzothiazol-2-yl-{4-[(5H-imidazol-1-yl)-phenyl-methyl]-phenyl}-amine (17), IC50 = 1.5 μM) were the most potent CYP26 inhibitors. Using a CYP26A1 homology model differences in activity were investigated. Incubation of SH-SY5Y human neuroblastoma cells with the imidazole aryl derivative 8, and the imidazole heteroaryl derivatives 16 and 17 potentiated the atRA-induced expression of CYP26B1. These data suggest that further structure-function studies leading to clinical development are warranted. © 2007 Elsevier Ltd. All rights reserved.

Publication metadata

Author(s): Gomaa MS, Armstrong JL, Bobillon B, Veal GJ, Brancale A, Redfern CPF, Simons C

Publication type: Article

Publication status: Published

Journal: Bioorganic and Medicinal Chemistry

Year: 2008

Volume: 16

Issue: 17

Pages: 8301-8313

ISSN (print): 0968-0896

ISSN (electronic): 1464-3391

Publisher: Pergamon


DOI: 10.1016/j.bmc.2007.06.048


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