ClinVar Miner

Submissions for variant NM_000264.5(PTCH1):c.2887+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 RCV003608893 SCV004448011 likely pathogenic Gorlin syndrome 2024-06-02 criteria provided, single submitter clinical testing This sequence change affects a donor splice site in intron 17 of the PTCH1 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 PTCH1 are known to be pathogenic (PMID: 16301862, 16419085). This variant is not present in population databases (gnomAD no frequency). Disruption of this splice site has been observed in individual(s) with basal cell nevus syndrome and is reported as 2875+1G>C (PMID: 8840969). Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may disrupt the consensus splice site. 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.

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