ClinVar Miner

Submissions for variant NM_006030.4(CACNA2D2):c.1260G>A (p.Thr420=)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV002607611 SCV003510913 uncertain significance Early infantile epileptic encephalopathy with suppression bursts 2022-06-22 criteria provided, single submitter clinical testing 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. Variants that disrupt the consensus splice site are a relatively common cause of aberrant splicing (PMID: 17576681, 9536098). Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may disrupt the consensus splice site. This variant has been observed in individual(s) with clinical features of CACNA2D2-related conditions (PMID: 33798445). This variant is not present in population databases (gnomAD no frequency). This sequence change affects codon 420 of the CACNA2D2 mRNA. It is a 'silent' change, meaning that it does not change the encoded amino acid sequence of the CACNA2D2 protein. This variant also falls at the last nucleotide of exon 12, which is part of the consensus splice site for this exon.

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