ClinVar Miner

Submissions for variant NC_000016.10:g.(?_28486347)_(28486650_?)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 RCV000708334 SCV000837444 pathogenic Neuronal ceroid lipofuscinosis 2019-11-26 criteria provided, single submitter clinical testing This variant is a gross deletion of the genomic region encompassing exons 8-9 of the CLN3 gene. This creates a premature translational stop signal and is expected to result in a disrupted protein product. Loss-of-function variants in CLN3 are known to be pathogenic. Deletion of exons 8-9, also referred to as exons 7-8 in the literature, is the most common cause of juvenile neuronal ceroid lipofuscinosis, also known as Batten disease, accounting for between 81-85% of all disease-causing alleles (PMID: 7553855, 21990111, 23374165, 20187884, 21228398). ClinVar contains entries for similar deletions of exons 8-9 (Variation IDs: 3552, 457935). Experimental studies have shown this deletion results in a disrupted CLN3 protein that is retained in the endoplasmic reticulum, possibly due to the loss of lysosomal targeting signals (PMID: 10332042, 17947292, 19132115). For these reasons, this variant has been classified as Pathogenic.

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