Variant Gene Risk Allele Score vda Association Type Original DB Sentence supporting the association PMID PMID Year
dbSNP: rs16847548
rs16847548
0.010 GeneticVariation BEFREE The patient is also homozygous for the two minor variants rs4657139 and rs16847548 on the NOS1AP gene, associated with greater risk for cardiac arrest and sudden death in LQTS mutation carriers of the founder population. hiPSCs, obtained using four retroviruses encoding the reprogramming factors OCT4, SOX2, cMYC and KLF4, display pluripotent stem cell characteristics, and can be differentiated into spontaneously beating cardiomyocytes (hiPSC-CMs). 30878014

2019

dbSNP: rs4657139
rs4657139
0.010 GeneticVariation BEFREE The patient is also homozygous for the two minor variants rs4657139 and rs16847548 on the NOS1AP gene, associated with greater risk for cardiac arrest and sudden death in LQTS mutation carriers of the founder population. hiPSCs, obtained using four retroviruses encoding the reprogramming factors OCT4, SOX2, cMYC and KLF4, display pluripotent stem cell characteristics, and can be differentiated into spontaneously beating cardiomyocytes (hiPSC-CMs). 30878014

2019

dbSNP: rs146695489
rs146695489
0.010 GeneticVariation BEFREE Octreotide-induced long QT syndrome in a child with congenital hyperinsulinemia and a novel missense mutation (p.Met115Val) in the ABCC8 gene. 24080777

2013

dbSNP: rs1563145763
rs1563145763
A 0.700 GeneticVariation CLINVAR

dbSNP: rs796052199
rs796052199
A 0.700 GeneticVariation CLINVAR

dbSNP: rs796052200
rs796052200
A 0.700 GeneticVariation CLINVAR

dbSNP: rs755287627
rs755287627
G 0.700 GeneticVariation CLINVAR

dbSNP: rs796052197
rs796052197
C 0.700 GeneticVariation CLINVAR

dbSNP: rs796052198
rs796052198
C 0.700 GeneticVariation CLINVAR

dbSNP: rs1408198357
rs1408198357
0.010 GeneticVariation BEFREE Identification of a new SCN5A mutation, D1840G, associated with the long QT syndrome. Mutations in brief no. 153. Online. 10627139

1998

dbSNP: rs1047624774
rs1047624774
0.010 GeneticVariation BEFREE A Caucasian family with syncope and marginally prolonged QT interval was screened for LQTS-susceptibility genes and found to harbor the R800L mutation in SCN5A and A261V mutation in SNTA1, and those with both mutations had the strongest clinical phenotype. 23376825

2013

dbSNP: rs750835733
rs750835733
T 0.710 GeneticVariation CLINVAR This mutation, Pro857Arg-CACNA1C, cosegregated with the disease within the pedigree, was ranked by 3 disease-network algorithms as the most probable LQTS-susceptibility gene and involves a conserved residue localizing to the proline, gltamic acid, serine, and threonine (PEST) domain in the II-III linker. 23677916

2013

dbSNP: rs750835733
rs750835733
0.710 GeneticVariation BEFREE This mutation, Pro857Arg-CACNA1C, cosegregated with the disease within the pedigree, was ranked by 3 disease-network algorithms as the most probable LQTS-susceptibility gene and involves a conserved residue localizing to the proline, gltamic acid, serine, and threonine (PEST) domain in the II-III linker. 23677916

2013

dbSNP: rs786205748
rs786205748
0.710 GeneticVariation BEFREE Using patient-specific hiPSC-CM mutant and isogenic control lines, we demonstrate that the CACNA1C-p.R518C variant is the self-sufficient, monogenetic substrate for the patient's long-QT syndrome phenotype. 31430211

2019

dbSNP: rs786205748
rs786205748
T 0.710 CausalMutation CLINVAR Through whole exome sequencing and expanded cohort screening, we identified a novel genetic substrate p.Arg518Cys/His-CACNA1C, in patients with a complex phenotype including LQTS, HCM, and congenital heart defects annotated as cardiac-only Timothy syndrome. 26253506

2015

dbSNP: rs79891110
rs79891110
A 0.710 CausalMutation CLINVAR Maternal mosaicism confounds the neonatal diagnosis of type 1 Timothy syndrome. 23690510

2013

dbSNP: rs79891110
rs79891110
A 0.710 CausalMutation CLINVAR Long QT syndrome with craniofacial, digital, and neurologic features: Is it useful to distinguish between Timothy syndrome types 1 and 2? 26227324

2015

dbSNP: rs79891110
rs79891110
A 0.710 CausalMutation CLINVAR Results of genetic testing in 855 consecutive unrelated patients referred for long QT syndrome in a clinical laboratory. 23631430

2013

dbSNP: rs79891110
rs79891110
A 0.710 CausalMutation CLINVAR Ca(V)1.2 calcium channel dysfunction causes a multisystem disorder including arrhythmia and autism. 15454078

2004

dbSNP: rs79891110
rs79891110
A 0.710 CausalMutation CLINVAR Severe arrhythmia disorder caused by cardiac L-type calcium channel mutations. 15863612

2005

dbSNP: rs79891110
rs79891110
A 0.710 CausalMutation CLINVAR Timothy syndrome (TS) is a rare long-QT syndrome caused by CACNA1C mutations G406R in exon 8A (TS1) and G402S/G406R in exon 8 (TS2). 23580742

2013

dbSNP: rs79891110
rs79891110
A 0.710 CausalMutation CLINVAR The Timothy syndrome mutation differentially affects voltage- and calcium-dependent inactivation of CaV1.2 L-type calcium channels. 18250309

2008

dbSNP: rs79891110
rs79891110
A 0.710 CausalMutation CLINVAR Somatic mosaicism contributes to phenotypic variation in Timothy syndrome. 21910241

2011

dbSNP: rs79891110
rs79891110
A 0.710 CausalMutation CLINVAR The Timothy syndrome mutation of cardiac CaV1.2 (L-type) channels: multiple altered gating mechanisms and pharmacological restoration of inactivation. 19074970

2009

dbSNP: rs79891110
rs79891110
A 0.710 CausalMutation CLINVAR Imaging diagnosis-ultrasonographic and CT findings in a gray seal (Halichoerus grypus) with hepatic cirrhosis, pyelonephritis, and nephrolithiasis. 23578275

2014