ClinVar Miner

Submissions for variant NM_000722.4(CACNA2D1):c.2142C>T (p.Ile714=)

gnomAD frequency: 0.00004  dbSNP: rs745501384
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV001999277 SCV002287432 uncertain significance Brugada syndrome 2024-05-15 criteria provided, single submitter clinical testing This sequence change affects codon 714 of the CACNA2D1 mRNA. It is a 'silent' change, meaning that it does not change the encoded amino acid sequence of the CACNA2D1 protein. It affects a nucleotide within the consensus splice site. The frequency data for this variant in the population databases is considered unreliable, as metrics indicate poor data quality at this position in the gnomAD database. This variant has not been reported in the literature in individuals affected with CACNA2D1-related conditions. ClinVar contains an entry for this variant (Variation ID: 1498569). Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant is not likely to affect RNA splicing. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance.
Ambry Genetics RCV004045929 SCV005036587 likely benign Cardiovascular phenotype 2024-03-29 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.

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