ClinVar Miner

Submissions for variant NC_000023.10:g.(?_119580140)_(119580302_?)del

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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 RCV004578183 SCV005065655 pathogenic Danon disease 2023-04-18 criteria provided, single submitter clinical testing For these reasons, this variant has been classified as Pathogenic. This variant disrupts a region of the LAMP2 protein in which other variant(s) (p.Leu272Pro) have been observed in individuals with LAMP2-related conditions (PMID: 30959184). This suggests that this is a clinically significant region of the protein, and that variants that disrupt it are likely to be disease-causing. Experimental studies have shown that a similar copy number variant affects LAMP2 function (PMID: 34459252). Algorithms developed to predict the effect of variants on protein structure and function are not available or were not evaluated for this variant. A similar copy number variant has been observed in individual(s) with clinical features consistent with Danon disease (Invitae). In at least one individual the variant was observed to be de novo. This variant is a gross deletion of the genomic region encompassing exon(s) 6 of the LAMP2 gene. This variant would be expected to be in-frame, preserving the integrity of the reading frame.

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