Discovery of a N′-hydroxyphenylformamidine derivative HET0016 as a potent and selective 20-HETE synthase inhibitor

被引:31
作者
Sato, M [1 ]
Ishii, T [1 ]
Kobayashi-Matsunaga, Y [1 ]
Amada, H [1 ]
Taniguchi, K [1 ]
Miyata, N [1 ]
Kameo, K [1 ]
机构
[1] Taisho Pharmaceut Co Ltd, Med Res Labs, Saitama, Saitama 3308530, Japan
关键词
D O I
10.1016/S0960-894X(01)00614-X
中图分类号
R914 [药物化学];
学科分类号
100701 ;
摘要
N-(4-Butyl-2-methylphenyl)-N'-hydroxyformamidine (HET0016) was evaluated as the first potent and selective inhibitor of 20-hydroxy-5,8,11,14-eicosatetraenoic acid (20-HETE) synthase. The IC50 value of HET0016 for the production of 20-HETE from arachidonic acid (AA) by human renal microsomes was 8.9 +/- 2.7 nM, with over 200 times the selectivity of xenobiotic-metabolizing cytochrome P450 enzymes. An examination of the structure-activity relationship revealed that the unsubstituted hydroxyformamidine moiety and the substituent at the para-position of the N-hydroxyformamidine moiety are necessary for the potent activity of HET0016. (C) 2001 Elsevier Science Ltd. All rights reserved.
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页码:2993 / 2995
页数:3
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