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Shalimova Cardiovascular remodeling in EH and DM2
DISCUSSION pronounced cardiovascular remodeling compared to
the A/A genotype. Patients with the Pro/Pro genotype
Changes in echocardiographic parameters depending of the Pro12Ala polymorphism of PPARγ2 had more
on genetic polymorphisms of the AGTR1 gene can severe hemodynamic and metabolic disorders.
be regarded as a result of varying activation of AT1
receptors, leading to differential expression and Authors’ contributions
proliferation of cardiomyocytes and myocardium A. Shalimova contributed solely to this paper.
remodeling. [14,15]
Financial support and sponsorship
The involvement of polymorphisms of the AGTR1 gene None.
in the development and progression of atherosclerotic
processes was demonstrated by significantly lower Conflicts of interest
levels of anti-atherogenic high density lipoprotein There are no conflicts of interest.
cholesterol and significantly higher levels of glucose,
HbA1c, insulin and HOMA-IR in patients with the A/C Patient consent
+ C/C genotype compared to the A/A genotype. More Each patient was informed the study and gave their
pronounced IR in the A/C + C/C genotype can be consent.
explained by common mechanisms of hypertension
and IR, including activation of the renin-angiotensin- Ethics approval
aldosterone system, which affects the sensitivity of The study protocol was supported by the Ethics
tissues to insulin and compensatory hyperinsulinemia. Committee of the Kharkiv National Medical University.
The differences in blood pressure with respect REFERENCES
to PPARγ2 polymorphisms can be explained by
the fact that the activity of PPARγ2 receptors also 1. Mettimano M, Romano-Spica V, Ianni A, Specchia M, Migneco A,
depends on the production of proinflammatory and Savi l. AGT and AT1R gene polymorphism in hypertensive heart
hypertensive cytokines by adipose tissue, which leads disease. In J Clin Pract 2002;56:574-7.
to hypertension. 2. Martínez-Gómez LE, Cruz M, Martínez-Nava GA, Madrid-Marina
V, Parra E, García-Mena J, Espinoza-Rojo M, Estrada-Velasco BI,
Piza-Roma LF, Aquilera P, Burguete-García AI. A replication study
The influence of PPARγ2 polymorphisms in heart of the IRS1, CAPN10, TCF7L2, and PPARG gene polymorphisms
remodeling can be explained by the fact that PPARγ2 associated with type 2 diabetes in two different populations of Mexico.
act as modulators of gene expression in many Ann Hum Genet 2011;75:612-20.
tissues, including smooth muscle, thus the alteration 3. Czarnecka D, Kawecka-Jaszcz K, Stolarz K, Olszanecka A, Kieć-Wilk
of their activity due to polymorphisms contributes to B, Dembińska-Kieć A. Genetic factors in hypertension. Angiotensin-
the development and progression of cardiovascular converting enzyme polymorphism. Kardiol Pol 2004;61:1-10.
disease. [16-20] 4. Wang X, Zhu H, Dong Y, Treiber FA, Snieder H. Effects of
angiotensinogen and angiotensin II type I receptor genes on blood
pressure and left ventricular mass trajectories in multiethnic youth.
More pronounced metabolic disturbances in the Pro/Pro Twin Res Hum Genet 2006;9:393-402.
genotype of PPARγ2 can be explained by the fact that 5. Mettimano M, Romano-Spica V, Ianni A, Specchia M, Migneco A,
PPARγ2 control adipogenesis (including the production Savi L. AGT and AT1R gene polymorphism in hypertensive heart
of free fatty acids, elevated levels of which are the diseas. Int J Clin Pract 2002;56:574-7.
cause of IR), and activity of PPARγ2 affects production 6. Berry C, Brosnan MJ, Fennell J, Hamilton CA, Dominiczak AF.
and circulation of lipoproteins and, as a consequence, Oxidative stress and vascular damage in hypertension. Curr Opin
the severity of atherosclerotic processes. Nephrol Hypertens 2001;10:247-55.
7. de Denus S, Zakrzewski-Jakubiak M, Dubé MP, Bélanger F, Lepage S,
Leblanc MH, Gossard D, Ducharme A, Racine N, Whittom L, Lavoie
The modulating effect of polymorphisms of the genetic J, Touyz RM, Turgeon J, White M. Effects of AGTR1 A1166C gene
markers AGTR1 and PPARγ2 on the severity of polymorphism in patients with heart failure treated with candesartan.
cardiovascular remodeling in patients with comorbidity Ann Pharmacother 2008;42:925-32.
of EH and DM2 was, therefore, established. 8. Grundy SM, Cleeman JI, Daniels SR, Donato KA, Eckel RH, Franklin
BA, Gordon DJ, Krauss RM, Savage PJ, Smith SC Jr, Spertus JA,
In conclusion, polymorphisms of the genetic markers Costa F; America Heart Association; National Heart, Lung, and Blood
AGTR1 and PPARγ2 was associated with the Institue. Diagnosis and management of the metabolic syndrome: an
American Heart Association/National Heart, Lung, and Blood Institue
development of comorbidity of EH and DM2. The Scientific Statement. Circulation 2005;112:2735-52.
A/C and C/C genotypes of the polymorphic marker 9. Colwell JA. Type 2 diabetes, Pre-diabetes, and the metabolic
A1166C of the AGTR1 gene were characterized syndrome. JAMA 2011;306:215.
by significantly higher blood pressure and more 10. Saad MF, Rewers M, Selby J, Howard G, Jinagouda S, Fahmi S,
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