title: Association of a polymorphism of the ecNOS gene with myocardial infarction in a subgroup of Turkish MI patients.
abstract: In this study we examined a possible association between a 27 base pair (bp)-repeat polymorphism in intron 4 of the ecNOS gene and myocardial infarction (MI) in a subgroup of the Turkish population. We compared MI and control groups for the frequencies of the ecNOS alleles and their genotypes. The frequency of the ecNOS 4a/a and 4a/b genotypes was found to be significantly higher in the MI group than in the control group. Interestingly, the frequency of the ecNOS 4a/b polymorphism was found to be significantly higher in the selected MI group (patients with no known secondary risk factors) than in the control and non-selected MI group. We found that the patients with MI had the frequency of the a/a genotype 4.3%, of the a/b genotype 26.6% and the b/b genotype 69.1%. The controls, however, showed only 0.6% for a/a, 18.0% for a/b and 81.4% for the b/b genotype (P < 0.001; chi2 = 13.626). In this study, we show that myocardial infarction is associated with one subtype of ecNOS gene polymorphism.
authors.affiliation: Department of Genetics, Institute for Experimental Medical Research, University of Ystanbul, Turkey.
authors.forename: N
authors.initials: N
authors.lastname: Cine
authors.forename: A C
authors.initials: AC
authors.lastname: Hatemi
authors.forename: N
authors.initials: N
authors.lastname: Erginel-Unaltuna
mesh_terms: D000328:Adult; D005260:Female; D020022:Genetic Predisposition to Disease / Q000235:genetics*; D006801:Humans; D007438:Introns / Q000235:genetics; D007527:Isoenzymes / Q000235:genetics; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000201:enzymology / Q000235:genetics*; D019001:Nitric Oxide Synthase / Q000235:genetics*; D052250:Nitric Oxide Synthase Type III; D011110:Polymorphism, Genetic / Q000235:genetics*; D012307:Risk Factors; D014421:Turkey
chemical_list: D007527:Isoenzymes; C496314:NOS3 protein, human; D019001:Nitric Oxide Synthase; D052250:Nitric Oxide Synthase Type III