ClinVar Miner

Submissions for variant NM_001134407.3(GRIN2A):c.1651+1G>A

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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 RCV005074913 SCV005701222 pathogenic Landau-Kleffner syndrome 2025-01-15 criteria provided, single submitter clinical testing This sequence change affects a donor splice site in intron 8 of the GRIN2A 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 GRIN2A are known to be pathogenic (PMID: 23933819, 23933820). This variant is not present in population databases (gnomAD no frequency). Disruption of this splice site has been observed in individual(s) with GRIN2A-related conditions (internal data). In at least one individual the variant was observed to be de novo. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may disrupt the consensus splice site. For these reasons, this variant has been classified as Pathogenic.

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