Pharmacology of cyclooxygenase-2 inhibition in the kidney

被引:52
作者
Khan, KNM [1 ]
Paulson, SK [1 ]
Verburg, KM [1 ]
Lefkowith, JB [1 ]
Maziasz, TJ [1 ]
机构
[1] Pharmacia Res & Dev, Skokie, IL 60077 USA
关键词
kidney; renal failure; hypertension; congestive heart failure; macula densa; COX-1; COX-2;
D O I
10.1046/j.1523-1755.2002.00263.x
中图分类号
R5 [内科学]; R69 [泌尿科学(泌尿生殖系疾病)];
学科分类号
1002 ; 100201 ;
摘要
Cyclooxygenase (COX) exists as two unique isoforms (that is, COX-1 and COX-2) which are poorly understood with regard to their roles in renal function. The renal effects of conventional non-steroidal anti-inflammatory drugs (NSAIDs) are believed to result from the inhibition of one or both isoforms. Drugs that selectively inhibit COX-2 provide useful pharmacological tools for discerning the effects associated with the inhibition of the individual isoforms, and may help clarify the renal roles of COX-1 and COX-2. This review summarizes the current data on the renal expression of COX isoforms and their potential roles in renal function, and reviews the studies that have attempted to correlate renal functional changes with selective isoform inhibition. Since there are significant differences in the expression of COX isoforms in the kidneys of laboratory animals and humans, this review also examines the correlation of the results of COX inhibition in experimental studies in laboratory animals with clinical data. Because of potential interspecies differences in the roles of COX isoforms in renal function, animal models may have limited predictive value for patients, particularly those with renal risk factors. Accordingly, any uncertainty concerning the safety or therapeutic benefit of COX-2-specific drugs in these patient populations will need to be resolved with clinical investigations.
引用
收藏
页码:1210 / 1219
页数:10
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