ClinVar Miner

Submissions for variant NM_000719.7(CACNA1C):c.6272A>G (p.Asn2091Ser)

gnomAD frequency: 0.00074  dbSNP: rs201090446
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Total submissions: 10
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Molecular Diagnostic Laboratory for Inherited Cardiovascular Disease, Montreal Heart Institute RCV000617693 SCV006065277 uncertain significance Cardiovascular phenotype 2025-04-09 criteria provided, single submitter clinical testing
Revvity Omics, Revvity RCV000357942 SCV003830325 uncertain significance not provided 2024-01-09 criteria provided, single submitter clinical testing
ARUP Laboratories, Molecular Genetics and Genomics, ARUP Laboratories RCV000357942 SCV002047841 uncertain significance not provided 2021-01-15 criteria provided, single submitter clinical testing The CACNA1C c.6272A>G; p.Asn2091Ser variant (rs201090446) is reported in the literature in an individual with sudden unexpected death and a history of syncope (Sutphin 2016). This variant is found in the general population with an overall allele frequency of 0.05% (129/263770 alleles) in the Genome Aggregation Database. The asparagine at codon 2091 is moderately conserved, and computational analyses predict that this variant is neutral (REVEL: 0.139). However, functional studies of the variant protein indicate altered electrophysiological properties, including increased current density compared to wildtype protein (Sutphin 2016). Due to limited information, the clinical significance of the p.Asn2091Ser variant is uncertain at this time. References: Sutphin et al. Molecular and Functional Characterization of Rare CACNA1C Variants in Sudden Unexplained Death in the Young. Congenit Heart Dis. 2016 Dec;11(6):683-692.
CeGaT Center for Human Genetics Tuebingen RCV000357942 SCV001148544 benign not provided 2024-05-01 criteria provided, single submitter clinical testing CACNA1C: BP4, BS1, BS2
Ambry Genetics RCV000617693 SCV000737727 likely benign Cardiovascular phenotype 2020-12-30 criteria provided, single submitter clinical testing This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity.
Center For Human Genetics And Laboratory Diagnostics, Dr. Klein, Dr. Rost And Colleagues RCV000519629 SCV000616620 uncertain significance Timothy syndrome 2017-04-06 criteria provided, single submitter clinical testing
GeneDx RCV000357942 SCV000329185 uncertain significance not provided 2024-10-11 criteria provided, single submitter clinical testing Published functional studies suggest a gain of function effect (PMID: 27218670); In silico analysis supports that this missense variant has a deleterious effect on protein structure/function; This variant is associated with the following publications: (PMID: 25633834, 24690944, 27218670, 34426522, 30172029, 31737537, 30027834, 24440382)
Labcorp Genetics (formerly Invitae), Labcorp RCV001084051 SCV000254657 likely benign Long QT syndrome 2025-01-30 criteria provided, single submitter clinical testing
PreventionGenetics, part of Exact Sciences RCV003955212 SCV004774382 likely benign CACNA1C-related disorder 2021-10-28 no assertion criteria provided clinical testing This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications).
Clinical Molecular Genetics Laboratory, Johns Hopkins All Children's Hospital RCV001842950 SCV000804961 uncertain significance Cardiac arrhythmia 2016-08-18 no assertion criteria provided clinical testing

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