ClinVar Miner

Submissions for variant NC_000019.9:g.(?_13355976)_(13356099_?)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 RCV003105442 SCV003792245 uncertain significance Episodic ataxia type 2; Developmental and epileptic encephalopathy, 42 2022-08-15 criteria provided, single submitter clinical testing In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. This variant disrupts a region of the CACNA1A protein in which other variant(s) (p.Asp1644Asn) have been observed in individuals with CACNA1A-related conditions (Invitae). 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 and prediction algorithms are not available or were not evaluated, and the functional significance of this variant is currently unknown. A similar copy number variant has been observed in individual(s) with clinical features of episodic ataxia (PMID: 31810576). This variant is a gross deletion of the genomic region encompassing exon(s) 31 of the CACNA1A gene. This variant would be expected to be in-frame, preserving the integrity of the reading frame.

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