ClinVar Miner

Submissions for variant NC_000022.10:g.(?_51061181)_(51066581_?)del

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Women's Health and Genetics/Laboratory Corporation of America, LabCorp RCV004766537 SCV005381244 pathogenic Metachromatic leukodystrophy 2024-08-07 criteria provided, single submitter clinical testing Variant summary: The variant involves the deletion of exons 1-8 in the ARSA gene. A presumed nomenclature of c.(?_-374)_(*2392_?)del has been designated for the purposes of this classification. This deletion includes the entire coding sequence of the gene. As the exact proximal and distal breakpoints are unknown, it may extend beyond the annotated region of the gene to include other flanking genes. This whole gene deletion was absent in 21694 control chromosomes (gnomAD Structural Variants database). Deletion of ARSA gene has been reported in the literature in at least an individual affected with Metachromatic Leukodystrophy (example: Coulter-Mackie_1995). This individual had a de novo constitutional ring chromosome 22 of maternal origin deleted for the ARSA gene. The following publication has been ascertained in the context of this evaluation (PMID: 8558556). ClinVar contains an entry for this variant (Variation ID: 526831). Based on the evidence outlined above, the variant was classified as pathogenic.

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