rs12720459, KCNQ1

N. diseases: 7
Source: ALL
Disease Risk Allele Score vda Association Type Original DB Sentence supporting the association PMID PMID Year
Long QT Syndrome
CUI: C0023976
Disease: Long QT Syndrome
0.770 GeneticVariation BEFREE We generated human induced pluripotent stem cells (hiPSCs) from a symptomatic Long QT Syndrome (LQTS) type 1 patient, belonging to a South African (SA) founder population segregating the heterozygous mutation c.1022C > T p.A341V on the KCNQ1 gene. 30878014 2019
Long QT Syndrome
CUI: C0023976
Disease: Long QT Syndrome
0.770 GeneticVariation BEFREE We generated PSMi001-A and PSMi008-A hiPSC lines from two individuals belonging to a South African (SA) founder population in which the malignant KCNQ1-A341V mutation cosegregates with the Long QT Syndrome (LQTS) phenotype. 31398660 2019
Long QT Syndrome
CUI: C0023976
Disease: Long QT Syndrome
0.770 GeneticVariation BEFREE This study tested the hypothesis that vagal and sympathetic control, as assessed by spectral analysis of spontaneous beat-to-beat variability of RR and QT intervals from standard 24-h electrocardiogram Holter recordings, could modulate the severity of LQTS type 1 (LQT1) in 46 members of a South-African LQT1 founder population carrying the clinically severe KCNQ1 A341V mutation. 25634836 2015
Long QT Syndrome
CUI: C0023976
Disease: Long QT Syndrome
0.770 GeneticVariation BEFREE We studied 169 LQTS genotype-positive patients < 50 years of age who performed an ExStrT with the same protocol, on and off β-blockers including 47 South African LQT1 patients all harboring the KCNQ1-A341V mutation and 122 Italian LQTS patients with impaired (I(Ks)-, 66 LQT1) or normal (I(Ks)+, 50 LQT2 and 6 LQT3) I(Ks) current. 23158531 2012
Long QT Syndrome
CUI: C0023976
Disease: Long QT Syndrome
0.770 GeneticVariation BEFREE Partial restoration of the long QT syndrome associated KCNQ1 A341V mutant by the KCNE1 β-subunit. 21854832 2011
Long QT Syndrome
CUI: C0023976
Disease: Long QT Syndrome
0.770 CausalMutation CLINVAR Partial restoration of the long QT syndrome associated KCNQ1 A341V mutant by the KCNE1 β-subunit. 21854832 2011
Long QT Syndrome
CUI: C0023976
Disease: Long QT Syndrome
0.770 CausalMutation CLINVAR In a South African (SA) founder population, we identified a common LQTS type 1 (LQT1)-causing mutation (KCNQ1-A341V) associated with high clinical severity. 17984373 2007
Long QT Syndrome
CUI: C0023976
Disease: Long QT Syndrome
0.770 GeneticVariation BEFREE The common long-QT syndrome mutation KCNQ1/A341V causes unusually severe clinical manifestations in patients with different ethnic backgrounds: toward a mutation-specific risk stratification. 17984373 2007
Long QT Syndrome
CUI: C0023976
Disease: Long QT Syndrome
0.770 CausalMutation CLINVAR Phenotype reveals genotype in a Greek long QT syndrome family. 16627448 2006
Long QT Syndrome
CUI: C0023976
Disease: Long QT Syndrome
0.770 CausalMutation CLINVAR Phenotypic variability and unusual clinical severity of congenital long-QT syndrome in a founder population. 16246960 2005
Long QT Syndrome
CUI: C0023976
Disease: Long QT Syndrome
0.770 CausalMutation CLINVAR Additional gene variants reduce effectiveness of beta-blockers in the LQT1 form of long QT syndrome. 15028050 2004
Long QT Syndrome
CUI: C0023976
Disease: Long QT Syndrome
0.770 CausalMutation CLINVAR C-terminal HERG mutations: the role of hypokalemia and a KCNQ1-associated mutation in cardiac event occurrence. 10086971 1999
Long QT Syndrome
CUI: C0023976
Disease: Long QT Syndrome
0.770 CausalMutation CLINVAR Functional effects of mutations in KvLQT1 that cause long QT syndrome. 10376919 1999
Long QT Syndrome
CUI: C0023976
Disease: Long QT Syndrome
0.770 CausalMutation CLINVAR Functional effects of mutations in KvLQT1 that cause long QT syndrome. 10376919 1999
Long QT Syndrome
CUI: C0023976
Disease: Long QT Syndrome
0.770 GeneticVariation BEFREE Recent studies have shown that LQT is caused by an Ala212Val mutation in a potassium channel gene (KVLQT1) in pedigrees 161 to 164. 8818942 1996
Long QT Syndrome
CUI: C0023976
Disease: Long QT Syndrome
0.770 CausalMutation CLINVAR Positional cloning of a novel potassium channel gene: KVLQT1 mutations cause cardiac arrhythmias. 8528244 1996