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Polymorphic variants of ACE, AGT, AGTR1, MTHFR and NOS3 candidate genes connected with arterial hypertension as part of the metabolic syndrome among the shor people

https://doi.org/10.14341/omet12295

Abstract

Background: The problem of high blood pressure in the framework of metabolic syndrome (MS) is one of the most important for modern medicine in connection with the predicted increase in the incidence in the future and an increase in the mortality rate from cardiovascular disease.

Aims: the aim of the study is to examine the frequency of arterial hypertension (AH) as part of the MS among the members of the indigenous population of the Mountain Shoria and to state the degree of the interconnection between the expression level of the candidate genes ACE, AGT, AGTR1, MTHFR and NOS3 and certain health problem.

Materials and methods: The sample included 901 members of the indigenous population living in the settlements of the Mountain Shoria region. All experimental subjects had their blood pressure measured, anthropometry (measurements of height, body weight, waist circumference) taken according to standard procedures, fasting blood taken to determine the lipid spectrum and glucose level, morning urine dose taken and albumin level detected. All the patients with hypertension underwent duplex scanning of the brachycephalic arteries and examination of the structural and functional state of the myocardium was performed using echocardiography. Gene polymorphisms ACE (I/D, rs4340), AGT (c.803T>C, rs699), AGTR1 (A1166C, rs5186), MTHFR (c.677C>T, Ala222Val, rs1801133) and NOS3 (VNTR, 4b/4a) were tested using polymerase chain reaction.

Results: Among the indigenous population of the Mountain Shoria, the frequency of hypertension combined with abdominal obesity and any other additional component of MS was 28.2%. In the group of the patients with, organ changes in the form of left ventricular myocardial hypertrophy and an increase in the thickness of the intima-media complex were more common than in the group of patients with AH alone: 58.0% versus 45.1%, p = 0.029 and 81.9% versus 67 , 0%, p = 0.007, respectively. The high risk of hypertension within the framework of MS was determined by the D allel of the ACE gene [OR = 2.45; 95% CI (1.05-5.72)].

Conclusions: The high frequency of the spread of high blood pressure within MS confirms that hypertension is less frequently manifested as an isolated disease, more often combined with other components of MS — abdominal obesity or disorders of carbohydrate and lipid metabolism. Stated genetic predisposition to hypertension within the MS in a specific small cohort of the Shors will undoubtedly help in the development and implementation of the health programs.

About the Authors

T. A. Mulerova
Research Institute for Complex Issues of Cardiovascular Diseases
Russian Federation

Tatyana A. Mulerova, MD, PhD; eLibrary SPIN: 1497-5896.

5 Stroiteley avenue, 654006, Novokuznetsk


Competing Interests:

not



D. P. Tsygankova
Research Institute for Complex Issues of Cardiovascular Diseases
Russian Federation

Darya P. Tsygankova, MD, PhD; eLibrary SPIN: 8064-3000.

Novokuznetsk


Competing Interests:

not



M. Yu. Ogarkov
Research Institute for Complex Issues of Cardiovascular Diseases
Russian Federation

Mikhail Yu. Ogarkov, MD, PhD, Professor; eLibrary SPIN: 7355-8334.

Novokuznetsk


Competing Interests:

not



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For citations:


Mulerova T.A., Tsygankova D.P., Ogarkov M.Yu. Polymorphic variants of ACE, AGT, AGTR1, MTHFR and NOS3 candidate genes connected with arterial hypertension as part of the metabolic syndrome among the shor people. Obesity and metabolism. 2021;18(2):190-197. (In Russ.) https://doi.org/10.14341/omet12295

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