Victoria Yu Garbuzova1, Veronika L Gurianova, Dmitriy A Stroy, Victor E Dosenko, Alexander N Parkhomenko, Alexander V Ataman. 1. Department of Physiology and Physiopathology and Medical Biology, Sumy State University, Sumy; Department of General and Molecular Pathophysiology, Bogomoletz Institute of Physiology, National Academy of Science, Kiev; National Scientific Center "M.D. Strazhesko Institute of Cardiology", National Medical Academy of Science, Kiev, Ukraine.
Abstract
BACKGROUND: Several allelic variants of matrix γ-carboxyglutamic acid protein (MGP) can differentially affect the development of certain forms of ischemic heart disease depending on specific characteristics of each population. OBJECTIVE: To study the distribution of allelic variants of MGP promoter T(-138)→C (rs1800802) and G(-7)→A (rs1800801), and Thr(83)→Ala exon 4 (rs4236) polymorphisms in a Ukrainian population of patients with acute coronary syndrome (ACS). METHODS: Polymerase chain reaction and restriction fragment length polymorphism (RFLP) analysis were used to detect the above-mentioned variants of the MGP gene in 115 patients with ACS and in 140 essentially healthy individuals. RESULTS: The distribution of homozygous carriers of a major allelic variant, and heterozygous and homozygous minor allele variants of the T(-138)→C MGP promoter polymorphism in patients with ACS were 59.8%, 32.7% and 7.5%, respectively. The corresponding distributions of variants in the control group were 54.0%, 41.0% and 5.0%, respectively (P>0.05 [χ(2) test]). With respect to the G(-7)→A polymorphism, the respective distributions were 42.1%, 45.6% and 12.3%, compared with 50.7%, 45.0% and 4.3% in the control group, respectively (P<0.05). Finally, the respective distributions according to the Thr(83)→Ala exon 4 polymorphism were 42.6%, 43.5% and 13.9%, respectively, compared with 45.3%, 43.0% and 11.7% in the control group. Using logistic regression analysis, it was estimated that the A/A genotype (G(-7)→A polymorphism) was significantly (P=0.02) associated with ACS (OR 4.302 [95% CI 1.262 to 14.673]). CONCLUSION: The allelic A/A promoter variant of MGP G(-7)→A polymorphism can be considered a risk factor for ACS in the Ukrainian population.
BACKGROUND: Several allelic variants of matrix γ-carboxyglutamic acid protein (MGP) can differentially affect the development of certain forms of ischemic heart disease depending on specific characteristics of each population. OBJECTIVE: To study the distribution of allelic variants of MGP promoter T(-138)→C (rs1800802) and G(-7)→A (rs1800801), and Thr(83)→Ala exon 4 (rs4236) polymorphisms in a Ukrainian population of patients with acute coronary syndrome (ACS). METHODS: Polymerase chain reaction and restriction fragment length polymorphism (RFLP) analysis were used to detect the above-mentioned variants of the MGP gene in 115 patients with ACS and in 140 essentially healthy individuals. RESULTS: The distribution of homozygous carriers of a major allelic variant, and heterozygous and homozygous minor allele variants of the T(-138)→C MGP promoter polymorphism in patients with ACS were 59.8%, 32.7% and 7.5%, respectively. The corresponding distributions of variants in the control group were 54.0%, 41.0% and 5.0%, respectively (P>0.05 [χ(2) test]). With respect to the G(-7)→A polymorphism, the respective distributions were 42.1%, 45.6% and 12.3%, compared with 50.7%, 45.0% and 4.3% in the control group, respectively (P<0.05). Finally, the respective distributions according to the Thr(83)→Ala exon 4 polymorphism were 42.6%, 43.5% and 13.9%, respectively, compared with 45.3%, 43.0% and 11.7% in the control group. Using logistic regression analysis, it was estimated that the A/A genotype (G(-7)→A polymorphism) was significantly (P=0.02) associated with ACS (OR 4.302 [95% CI 1.262 to 14.673]). CONCLUSION: The allelic A/A promoter variant of MGP G(-7)→A polymorphism can be considered a risk factor for ACS in the Ukrainian population.
Entities:
Keywords:
Acute coronary syndrome; Matrix Gla protein; Single nucleotide polymorphism
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