ClinVar Miner

Submissions for variant NC_000004.12:g.(?_3485529)_(3493511_?)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 RCV000798819 SCV000938452 pathogenic Fetal akinesia deformation sequence 1; Congenital myasthenic syndrome 10 2022-02-24 criteria provided, single submitter clinical testing This variant is a gross deletion of the genomic region encompassing exon(s) 5-7 of the DOK7 gene, which includes the termination codon. This deletion extends beyond the assayed region for this gene and therefore may encompass additional genes. While this deletion is not anticipated to lead to nonsense mediated decay, it is expected to alter mRNA translation or result in a truncated protein product. A similar copy number variant has been observed in individual(s) with autosomal recessive congenital myasthenic syndrome (PMID: 16917026). In at least one individual the data is consistent with being in trans (on the opposite chromosome) from a pathogenic variant. Algorithms developed to predict the effect of variants on protein structure and function are not available or were not evaluated for this variant. Experimental studies have shown that a similar copy number variant affects DOK7 function (PMID: 16917026, 18165682). For these reasons, this variant has been classified as Pathogenic.

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