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BMC Medical Genetics

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Open Access 01-12-2017 | Research article

Renin-angiotensin system gene polymorphisms and high blood pressure in Lithuanian children and adolescents

Authors: Sandrita Simonyte, Renata Kuciene, Jurate Medzioniene, Virginija Dulskiene, Vaiva Lesauskaite

Published in: BMC Medical Genetics | Issue 1/2017

Abstract

Background

Epidemiological studies have demonstrated the influence of environmental factors on HBP in the population of Lithuanian children, although the role of genetic factors in hypertension has not yet been studied. The aim of this study was to assess the distribution of AGTR1, AGT, and ACE genotypes in the Lithuanian child population and to determine whether these genotypes have an impact on HBP in childhood.

Methods

This cross-sectional study enrolled 709 participants aged 12–15 years. The subjects were genotyped for AGT (M235 T, rs699), AGTR1 (A1166C, rs5186), and ACE (rs4340) gene polymorphisms using real-time and conventional polymerase chain reactions. Blood pressure and anthropometric parameters were measured.

Results

The prevalence of HBP was 38.6% and was more frequently detected in boys than in girls (47.9% vs. 29.5%; p < 0.001). No significant differences in the frequencies of the AGT or AGTR1 genotypes or alleles between boys and girls were observed, except for ACE genotypes. The mean SBP value was higher in HBP subjects with ACE ID genotype compared to those with ACE II homozygotes (p = 0.04). No significant differences in BP between different AGT and AGTR1 genotype groups were found. Boys who carried the ACE ID + DD genotypes had higher odds of having HBP than carriers of the ACE II genotype did (controlling for the body mass index (BMI): OR_MH = 1.83; 95% CI, 1.11–3.02, p = 0.024; and controlling for waist circumference (WC): OR_MH = 1.76; 95% CI, 1.07–2.92, p = 0.035). These associations were not significant among girls. The same trend was observed in the multivariate analysis – after adjustment for BMI and WC, only boys with ACE ID genotype and ACE ID + DD genotypes had statistically significantly increased odds of HBP (aOR = 2.05; 95% CI, 1.19–3.53 (p = 0.01) and aOR = 1.82; 95% CI, 1.09–3.04 (p = 0.022), respectively).

Conclusions

The evaluated polymorphisms of the AGT and AGTR1 genes did not contribute to the presence of HBP in the present study and may be seen as predisposing factors, while ACE ID genotypes were associated with significantly increased odds for the development of HBP in the Lithuanian child and adolescent population - especially in boys.

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Title: Renin-angiotensin system gene polymorphisms and high blood pressure in Lithuanian children and adolescents
Authors: Sandrita Simonyte
Renata Kuciene
Jurate Medzioniene
Virginija Dulskiene
Vaiva Lesauskaite
Publication date: 01-12-2017
Publisher: BioMed Central
Published in: BMC Medical Genetics / Issue 1/2017
Electronic ISSN: 1471-2350
DOI: https://doi.org/10.1186/s12881-017-0462-z

Keynote webinar | Spotlight on sleep in brain health

Springer Medicine

Renin-angiotensin system gene polymorphisms and high blood pressure in Lithuanian children and adolescents

Abstract

Background

Methods

Results

Conclusions

Keynote webinar | Spotlight on sleep in brain health

Springer Medicine

Abstract

Background

Methods

Results

Conclusions

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