2019
DOI: 10.25557/2073-7998.2019.06.21-33
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Mutation spectrum in sarcomeric protein genes and their phenotypic features in Belarusian patients with hypertrophic cardiomyopathy

Abstract: Введение. Гипертрофическая кардиомиопатия (ГКМП) относится к наследственной патологии, основной причиной которой являются мутации в генах, кодирующих белковые компоненты миофибрильного аппарата кардиомиоцитов, при этом спектр этих генетических изменений имеет популяционные особенности. Целью данного исследования являлось определение спектра мутаций в генах, кодирующих саркомерные белки, у пациентов с ГКМП из Беларуси, а также изучение взаимосвязей между генотипом и фенотипическими проявлениями заболевания. Мат… Show more

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Cited by 6 publications
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“…Another variant found in two of our patients (1.1%), p.A729P in MYH7, is also suspected to have a founder effect in the Russian population. The p.A729P variant has only been identified in Russian [48] and Belarusian HCM patients [49] with a prevalence of 1.2-2.6%, and has not been reported in other populations.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…Another variant found in two of our patients (1.1%), p.A729P in MYH7, is also suspected to have a founder effect in the Russian population. The p.A729P variant has only been identified in Russian [48] and Belarusian HCM patients [49] with a prevalence of 1.2-2.6%, and has not been reported in other populations.…”
Section: Discussionmentioning
confidence: 99%
“…There were no homozygous or compound heterozygous patients with two truncating variants (Figure 1). Compared to patients with a single P/LP/VUS-LP variant (n = 70), patients with two rare variants (n = 10) had a significantly higher SCD risk score (5.9 [3.5-7.3] vs. 2.9 [1.9-4.0], p = 0.011), larger left atrium (52 [43][44][45][46][47][48][49][50][51][52][53][54][55][56][57] vs. 43 [39][40][41][42][43][44][45][46][47][48][49][50] mm, p = 0.017), more frequent high systolic pulmonary artery pressure (63 vs. 14%, p = 0.004), and a trend toward more frequent severe NYHA class III/IV (38 vs. 11%, p = 0.07). The clinical course of HCM was highly variable, ranging from mild symptoms to severe HF progression and SCD in middle age.…”
Section: • Multiple Variantsmentioning
confidence: 99%