ClinVar Miner

Submissions for variant NM_031443.4(CCM2):c.31-2A>G

dbSNP: rs1554365507
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000550716 SCV000644924 likely pathogenic Cerebral cavernous malformation 2 2017-05-31 criteria provided, single submitter clinical testing In summary, the currently available evidence indicates that the variant is pathogenic, but additional data are needed to prove that conclusively. Therefore, this variant has been classified as Likely Pathogenic. Donor and acceptor splice site variants typically lead to a loss of protein function (PMID: 16199547), and loss-of-function variants in CCM2 are known to be pathogenic (PMID: 14624391, 17160895). Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may disrupt the consensus splice site, but this prediction has not been confirmed by published transcriptional studies. This variant has not been reported in the literature in individuals with a CCM2-related disease. This variant is not present in population databases (ExAC no frequency). This sequence change affects an acceptor splice site in intron 1 of the CCM2 gene. It is expected to disrupt RNA splicing and likely results in an absent or disrupted protein product.

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