ClinVar Miner

Submissions for variant NM_031443.4(CCM2):c.473-2A>G

dbSNP: rs1798890807
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001932653 SCV002172032 pathogenic Cerebral cavernous malformation 2 2021-07-16 criteria provided, single submitter clinical testing For these reasons, this variant has been classified as Pathogenic. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may disrupt the consensus splice site. Disruption of this splice site has been observed in individual(s) with cerebral cavernous malformations (Invitae). This variant is not present in population databases (ExAC no frequency). This sequence change affects an acceptor splice site in intron 4 of the CCM2 gene. It is expected to disrupt RNA splicing. Variants that disrupt the donor or acceptor splice site typically lead to a loss of protein function (PMID: 16199547), and loss-of-function variants in CCM2 are known to be pathogenic (PMID: 18300272, 24689081).

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