Abstract:
:We have studied the role of three polymorphic genes of the renin-angiotensin system (RAS) as independent risk factors for myocardial infarction (MI) and their correlation with three of the major coronary risk factors: serum cholesterol (CH), hypertension (HT) and smoking (SM). A population of 392 men was genotyped for the M235T polymorphism of the angiotensinogen (AGT) gene, the insertion/deletion of the angiotensin-converting enzyme (ACE) and the all66c of the angiotensin-II type 1 receptor (AT1R), by means of polymerase chain reaction (PCR) and restriction enzyme analysis. It was observed that the T allele frequency increased significantly in the MI with HT, CH, and SM subgroup (0.58 vs 0.31) (p<0.01). In contrast, the M allele frequency was higher in the MI without HT, CH, and SM (0.69 vs 0.42) (p<0.01). A strong association between the MM genotype and MI (p<0.001, odds ratio=4.29, confidence interval=1.95-9.42) was found when age-matched MM control subjects were compared to MI individuals with none of the other known major coronary risk factors. Futhermore, subjects with the MM genotype showed a significantly higher plasma renin activity (PRA) profile than those with the TT genotype (p<0.001). It can be concluded that the M allele is an independent risk factor for MI and the T allele modified the risk when other major risk factors are present.
journal_name
Clin Genetjournal_title
Clinical geneticsauthors
Fernández-Arcás N,Dieguez-Lucena JL,Muñoz-Morán E,Ruiz-Galdón M,Espinosa-Caliani S,Aranda-Lara P,Rius-Diaz F,Gaitán-Arroyo MJ,De Teresa-Galván E,Reyes-Engel Adoi
10.1034/j.1399-0004.2001.600108.xsubject
Has Abstractpub_date
2001-07-01 00:00:00pages
52-7issue
1eissn
0009-9163issn
1399-0004pii
cge600108journal_volume
60pub_type
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