ClinVar Miner

Submissions for variant NC_000011.9:g.(?_71146674)_(71155299_?)del

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV003107366 SCV003793543 pathogenic Smith-Lemli-Opitz syndrome 2022-08-13 criteria provided, single submitter clinical testing This variant results in the deletion of exons 4-8 and part of exon 9 (c.99-38_1175del) of the DHCR7 gene. While this variant is not anticipated to result in nonsense mediated decay, it likely alters RNA splicing and results in a disrupted protein product. This variant has not been reported in the literature in individuals affected with DHCR7-related conditions. Variants that disrupt the consensus splice site are a relatively common cause of aberrant splicing (PMID: 17576681, 9536098). This variant disrupts a region of the DHCR7 protein in which other variant(s) (p.Cys380Arg) have been determined to be pathogenic (PMID: 15896653, 17441222, 31395954). This suggests that this is a clinically significant region of the protein, and that variants that disrupt it are likely to be disease-causing. For these reasons, this variant has been classified as Pathogenic.

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