2018
DOI: 10.1111/ahg.12250
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Changes of the echocardiographic parameters in chronic heart failure patients with Ile337val, Glu23lys, and Ser1369ala polymorphisms of genes encoding the ATP‐sensitive potassium channels subunits in the Ukrainian population

Abstract: Different allelic variants of genes that encode ATP-sensitive potassium (K ) channels' subunits may contribute to the development of heart failure. The purpose of the work to investigate SNPs in genes that encode K channels in relation to echocardiographic parameters in chronic heart failure (CHF) patients. Ninety-nine people with CHF of ischemic origin with left ventricular systolic dysfunction were examined. The control group is represented by 108 clinically healthy subjects. KCNJ11 polymorphisms Ile337Val a… Show more

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Cited by 8 publications
(8 citation statements)
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“…Moreover, blocking K ATP channels with sulfonylurea worsens left ventricular function [73]. In HF patients, the genetic variants E23K and I337V of KCNJ11, encoding for Kir6.2 subunit, has been related to end-diastolic volume and mass of the left ventricle [80]. Moreover, regarding the same gene KCNJ11, the single nucleotide polymorphism rs5215_G/G seems to represent a protective factor against IHD, independently from cardiovascular risk factors [9,81].…”
Section: Atp-sensitive Potassium (K Atp ) Channelmentioning
confidence: 99%
“…Moreover, blocking K ATP channels with sulfonylurea worsens left ventricular function [73]. In HF patients, the genetic variants E23K and I337V of KCNJ11, encoding for Kir6.2 subunit, has been related to end-diastolic volume and mass of the left ventricle [80]. Moreover, regarding the same gene KCNJ11, the single nucleotide polymorphism rs5215_G/G seems to represent a protective factor against IHD, independently from cardiovascular risk factors [9,81].…”
Section: Atp-sensitive Potassium (K Atp ) Channelmentioning
confidence: 99%
“…However, another study that aimed to evaluate the clinical impact of single-nucleotide polymorphisms in KCNJ11 found the SNPs -rs5215_GG, rs5218_CT, and rs5219_AA for KCNJ11 -did not affect susceptibility to ischemic heart disease (IHD) or coronary microvascular dysfunction 94 . More recently, the I337V and E23K variants were reported to be associated with left ventricular mass and left ventricular end-diastolic volume in heart failure patients 64 , but direct causation remains unconfirmed.…”
Section: Kir62mentioning
confidence: 99%
“…Отже, саме у людей з цим захворюванням спостерігалася тенденція до зменшення носіїв протекторного поліморфізму в гомозиготній формі. Також відомо, що у цих хворих з генотипом Val/Val за показниками ехокардіографії спостерігаються значно менші патологічні зміни серця, зокрема, попереджається істотне підвищення маси лівого шлуночка [14].…”
Section: методикаunclassified
“…Достеменно відомо, що найменше два поліморфізми гена KCNJ11 (Ile 337 →Val, Glu 23 →Lys), що кодує Kir6.2субодиницю К АТФ -каналу, зменшують чутливість каналу до інгібуючої дії АТФ [5,8]. Внаслідок цього збільшується провідність каналу та посилення захисних механізмів [2,14,15]. Тобто можемо спостерігати так званий протекторний поліморфізм.…”
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