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Cardiol Young. 2016 Apr;26(4):677-82. doi: 10.1017/S104795111500102X. Epub 2015 Jun 17.

Antioxidant-related gene polymorphisms associated with the cardio-ankle vascular index in young Russians.

Author information

1
1Department of Internal Medicine,Kursk State Medical University,Kursk,Russia.
2
2Department of Clinical Laboratory Medicine,Jichi Medical University,Tochigi,Japan.
3
3Department of Biology, Medical Genetics and Ecology,Kursk State Medical University,Kursk,Russia.

Abstract

The cardio-ankle vascular index is a measure of arterial stiffness, whereas oxidative stress underlies arterial pathology. This study aimed to investigate the association between the cardio-ankle vascular index and antioxidant-related gene polymorphisms in young Russians. A total of 89 patients (mean age, 21.6 years) were examined by the cardio-ankle vascular index and for 15 gene polymorphisms related to antioxidant enzymes including FMO3 (flavin-containing monooxygenase 3), GPX1 (glutathione peroxidase 1), and GPX4 (glutathione peroxidase 4). A higher cardio-ankle vascular index level was detected in carriers with the KK-genotype of FMO3 polymorphism rs2266782 than in those without (mean levels: 6.2 versus 5.6, respectively, p<0.05). Similarly, a higher cardio-ankle vascular index level was seen in carriers with the CC-genotype of GPX4 polymorphism rs713041 than in those without (6.0 versus 5.5, respectively, p<0.05). We did not observe significant associations between the cardio-ankle vascular index levels and the other gene polymorphisms. Although carriers with the LL-genotype of GPX1 polymorphism rs1050450 showed a higher diastolic blood pressure level than those without, the polymorphism did not affect the cardio-ankle vascular index level. This study showed a significant association between rs2266782 and rs713041 polymorphisms and arterial stiffness, as measured by the cardio-ankle vascular index, in young Russians. The pathways utilised by antioxidant enzymes may be responsible for early arterial stiffening in the Russian population.

KEYWORDS:

Ankle-brachial index; antioxidant enzymes; arterial stiffness; cardio-ankle vascular index; gene polymorphisms

PMID:
26081749
DOI:
10.1017/S104795111500102X
[Indexed for MEDLINE]

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