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Polymorphism of the Apolipoprotein E Gene and Risk of Myocardial Infarction
The apolipoprotein E (ApoE) gene polymorphism resulting from nucleotide substitutions in exon 4 was analyzed in Russian and Tatar patients with myocardial infarction (MI) from Bashkortostan. Alleles ε2, ε3, and ε4 were identified by PCR. The genotype frequency distribution proved to be age-dependent...
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Published in: | Molecular biology (New York) 2002-11, Vol.36 (6), p.792-797 |
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Main Authors: | , , , |
Format: | Article |
Language: | English |
Subjects: | |
Online Access: | Get full text |
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Summary: | The apolipoprotein E (ApoE) gene polymorphism resulting from nucleotide substitutions in exon 4 was analyzed in Russian and Tatar patients with myocardial infarction (MI) from Bashkortostan. Alleles ε2, ε3, and ε4 were identified by PCR. The genotype frequency distribution proved to be age-dependent in healthy Russians, genotype Ð*2/3 increasing in frequency in subjects over 45. Russians who suffered MI under 45 had lower frequencies of genotype E3/3 (50.00% vs. 75.47% in controls of the same age, Ð = 0.013, OR = 0.33) and allele ε3 (72.12% vs. 85.85%, Ð = 0.020, OR = 0.43) and a higher frequency of allele ε4 (22.12% vs. 10.38%, Ð = 0.030, OR = 2.45). Russians who suffered MI complicated by cardiogenic shock (CS) had a significantly higher frequency of genotype Ð*3/4 and lower frequencies of genotype Ð*3/3 and allele ε3 as compared with MI patients without CS. In Tatars, genotype Ð*4/4 occurred at a frequency of 14.29% in patients who suffered MI under 45, and was not detected in healthy subjects of the same age (Ð = 0.024, OR = 17.85). Thus, the ApoE polymorphism was associated with higher risk of MI in Russians and Tatars under 45.[PUBLICATION ABSTRACT] |
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ISSN: | 0026-8933 1608-3245 |
DOI: | 10.1023/A:1021673607573 |