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DISTRIBUTION OF POLYMORPHIC VARIANTS OF THE TRANSFORMING GROWTH FACTOR β1, COLLAGEN TYPE IV α1 CHAIN AND ENDOTHELIN-1 GENES IN PATIENTS WITH ARTERIAL HYPERTENSION

Journal: Journal of the Grodno State Medical University (Vol.22, No. 5)

Publication Date:

Authors : ;

Page : 423-429

Keywords : transforming growth factor β1; polymorphism; arterial hypertension; endothelin-1; collagen type IV α1 chain gene;

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Abstract

Background. Аn important role in the development and progression of arterial hypertension (AH) is played by the influence of polymorphic variants of genes. The polymorphisms C(-509)T, T869C and G915C of the transforming growth factor β1 (TGFB1) gene, A110186299G and C110196387T of the collagen type IV α1 chain (COL4A1) gene, G5665T of the endothelin-1 (EDN1) gene can contribute to the remodeling of the arterial wall. Objective: To assess the distribution of the polymorphic variants C(-509)T, T869C and G915C of the TGFB1 gene, A110186299G and C110196387T of the COL4A1 gene, G5665T of the EDN1 gene in male patients of 30-49 years old with hypertension living in the Grodno region. Material and methods: The study included 204 men (65 healthy individuals and 139 patients with grade 1 and 2 hypertension). Survey data (general clinical examinations, genotyping by polymerase chain reaction) were analyzed using the STATISTICA 10.0 program. Results. In patients with AH and in healthy men the frequency of occurrence of the T allele of the G5665T polymorphism was 16.8% and 13.9% (р=0.45), that of the T allele of the C(-509)T polymorphism – 34.2% and 36.9% (р=0.66) respectively. The frequency of the T allele of the T869C polymorphism was 41.4% and 40.8% (p=0.99), and that of the C allele of the G915C polymorphism – 7.9% and 6.9% (р=0.84) correspondingly. The frequency of the A allele of the polymorphism A110186299G comprised 35.6% and 37.7% (р=0.74), that of the T allele of the polymorphism C110196387T – 46.4% and 43.8% (р=0.63) respectively. Conclusions. The frequency of occurrence of genotypes and alleles of the studied polymorphisms is comparable among male patients with grade 1-2 AH and practically healthy individuals.

Last modified: 2024-11-14 15:14:46