ClinVar Miner

Submissions for variant NC_000005.9:g.(?_73980968)_(73992932_74001043)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 RCV002282832 SCV002570634 pathogenic Sandhoff disease 2022-07-19 criteria provided, single submitter clinical testing Variant summary: The variant identified by MLPA or other technology involves the deletion of exons 1-5 in the HEXB gene, which includes the initiation codon. A presumed nomenclature of c.(?_-118)_(669+1_670-1)del has been designated for the purposes of this classification. The variant allele was found at a frequency of 9.2e-05 in 21694 control chromosomes (gnomAD, Structural Variants dataset). Deletion of exons 1-5 has been reported in the literature in multiple individuals affected with Sandhoff Disease (e.g. Sobek_2013, Grunseich_2015, Zanetti_2020). These data indicate that the variant is very likely to be associated with disease. Two ClinVar submitters (evaluation after 2014) cite the variant as pathogenic/likely pathogenic. Based on the evidence outlined above, the variant was classified as pathogenic.

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