期刊
EUROPEAN JOURNAL OF IMMUNOGENETICS
卷 30, 期 3, 页码 201-206出版社
BLACKWELL PUBLISHING LTD
DOI: 10.1046/j.1365-2370.2003.00390.x
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To investigate a possible association of ABO blood group alleles with myocardial infarction, a case-control study comprising 177 patients (median age 57.0 years; range 32-72 years) and 89 controls was performed. The distributions of the ABO blood-genotype O-1 , O-2 , A(1) , A(2) and B alleles were assessed by analysis of genomic DNA, using the sequence-specific primer-polymerase chain reaction (PCR-SSP) technique to investigate exons VI and VII on chromosome 9. The prevalence of the B allele was 2.5 times higher amongst patients with a history of myocardial infarction than amongst controls (16.3 vs. 6.7%; P = 0.034, Fisher's exact test). There was an association between patients carrying the B allele and myocardial infarction, with an odds ratio (OR) of 2.7 (95% confidence interval 1.1-6.8). The B allele remained an independent risk factor for myocardial infarction (P = 0.038) when classical risk factors were adjusted for by unconditional logistic regression. In conclusion, the ABO blood group B allele was found to be an independent risk factor for myocardial infarction.
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