ClinVar Miner

Submissions for variant NM_000260.4(MYO7A):c.285+1G>C

gnomAD frequency: 0.00001  dbSNP: rs782661097
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000478716 SCV000567330 likely pathogenic not provided 2022-05-17 criteria provided, single submitter clinical testing Canonical splice site variant expected to result in aberrant splicing, although in the absence of functional evidence the actual effect of this sequence change is unknown.; Not observed at significant frequency in large population cohorts (gnomAD); Has not been previously published as pathogenic or benign to our knowledge
Counsyl RCV000672808 SCV000797952 likely pathogenic Autosomal recessive nonsyndromic hearing loss 2; Usher syndrome type 1 2018-02-23 criteria provided, single submitter clinical testing
Invitae RCV000478716 SCV002986923 pathogenic not provided 2024-01-28 criteria provided, single submitter clinical testing This sequence change affects a donor splice site in intron 4 of the MYO7A 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 MYO7A are known to be pathogenic (PMID: 8900236, 25404053). This variant is not present in population databases (gnomAD no frequency). Disruption of this splice site has been observed in individuals with clinical features of Usher syndrome (PMID: 29490346; Invitae). ClinVar contains an entry for this variant (Variation ID: 419493). 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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