INVOLVEMENT OF CYP2D6, CYP3A4, AND OTHER CYTOCHROME-P-450 ISOZYMES IN N-DEALKYLATION REACTIONS

被引:80
作者
COUTTS, RT [1 ]
SU, P [1 ]
BAKER, GB [1 ]
机构
[1] UNIV ALBERTA,DEPT PSYCHIAT,EDMONTON,AB,CANADA
关键词
METABOLIC N-DEALKYLATION; CYTOCHROME P-450 ISOZYMES; CYP2D6; CYP3A ISOZYMES; DRUG METABOLISM;
D O I
10.1016/1056-8719(94)90001-9
中图分类号
R9 [药学];
学科分类号
1007 ;
摘要
Metabolic N-dealkylation is a commonly observed biotransformation with tertiary and secondary amine drugs and related N-alkylated amides, but surprisingly little is known about the cytochrome P-450 isozymes involved in these dealkylation reactions. In this review, evidence is provided that supports the involvement of various P-450 isozymes, but especially CYP3A4 and other isozymes of the CYP3A subfamily. Although CYP2D6 is generally not considered to be capable of catalyzing the N-dealkylation of basic drugs, some examples of the involvement of this important isozyme in N-dealkylation reactions are identified. Procedures used to identify individual P-450 isozymes involved in N-dealkylation reactions are discussed.
引用
收藏
页码:177 / 186
页数:10
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