نتایج جستجو برای: kcne2 gene
تعداد نتایج: 1141429 فیلتر نتایج به سال:
Altered myocardial repolarization is one of the important substrates of ventricular tachycardia and fibrillation. The influence of rare gene variants on repolarization is evident in familial long QT syndrome. To investigate the influence of common gene variants on the QT interval we performed a linkage disequilibrium based SNP association study of four candidate genes. Using a two-step design w...
Mutations in minK-related peptide 1 (MiRP1), the product of the KCNE2 gene, have been associated with malignant ventricular arrhythmia syndromes related to impaired repolarization. MiRP1 interacts with a variety of ion-channel alpha-subunits, dysfunction of which could account for arrhythmia syndromes; however, the observation of very low-level expression of MiRP1 in ventricular tissue has led ...
PURPOSE Ion channels are expressed both in the heart and in the brain, being advocated as responsible for sudden unexpected death in epilepsy but few pathogenic mutations have been identified. We aim to identify a novel gen associated with channelopathies and epilepsy in a family. METHODS We assessed a family showing epilepsy concomitant with LQTS. Index case showed prolonged QT interval. His...
BACKGROUND Long QT syndrome (LQTS) is an inherited arrhythmic disorder characterised by prolongation of the QT interval on ECG, presence of syncope and sudden death. The symptoms in LQTS patients are highly variable, and genotype influences the clinical course. This study aims to report the spectrum of LQTS mutations in a Swedish cohort. METHODS Between March 2006 and October 2009, two hundre...
Atrial fibrillation (AF) is the most common sustained cardiac arrhythmia. There is genetic predisposition for the development of AF. Recently, by linkage analysis, several loci have been mapped for monogenetic AF, including 11p15.5, 21q22, 17q, 7q35-36, 5p13, 6q14-16, and 10q22. Some of these loci encode for subunits of potassium channels (KCNQ1, KCNE2, KCNJ2, and KCNH2 genes), and the remainin...
It was only ten years ago that mutations in ion channel genes were first described in patients with the long QT syndrome (LQTS) [1]. Since then, mutations in a total of eight different sarcolemmal ion channel subunit genes (KCNQ1, KCNH2, KCNE1, KCNE2, SCN5A, KCNJ2, HCN4, CACNA1C), two genes encoding sarcoplasmic reticulum (SR) Ca handling proteins (RYR2, CASQ2), and an anchoring protein gene (A...
Chronic obstructive pulmonary disease (COPD) independently associates with an increased risk of coronary artery disease (CAD), but it has not been fully investigated whether this co-morbidity involves shared pathophysiological mechanisms. To identify potential common pathways across the two diseases, we tested all recently published single nucleotide polymorphisms (SNPs) associated with human l...
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