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KMID : 0191120000150040431
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Journal of Korean Medical Science
2000 Volume.15 No. 4 p.431 ~ p.435
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Association of the ACE gene polymorphism with the progression of autosomal dominant polycystic kidney disease
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Lee KB
Kim UK/Lee CC
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Abstract
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Renin-angiotensin system is considered important in the genesis of hypertension and development of end-stage renal disease (ESRD) in autosomal dominant polycystic kidney disease (ADPKD). The angiotensin converting enzyme (ACE) gene insertion/deletion (I/D) polymorphism has been associated with susceptibility to the development of some renal diseases. We investigated the association of ACE gene polymorphism with the progression to hypertension and ESRD in 108 patients with ADPKD. The ACE I/D polymorphism was amplified with the flanking primers by polymerase chain reaction. In patients genotyped for ACE gene polymorphism, the frequencies of DD (15%), ID (51%) and II (34%) genotypes were similar to those of the general population. Of the 108 patients, 64 (59%) developed hypertension and 24 (22%) reached ESRD at the time of study. The prevalence of hypertension was not significantly different among the three genotypes. The mean renal survival time was 53±6 yr in II genotype, 55±10 yr in ID genotype and 52±9 yr in DD genotype which was not significantly different among them. Cumulative renal survival was not significantly different either. There was no association of ACE gene polymorphism with the prevalence of hypertension and renal survival in ADPKD. We suggest that ACE I/D polymorphism is not an important modifying gene in the progression of ADPKD.
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