ClinVar Miner

Submissions for variant NM_001040142.2(SCN2A):c.713T>C (p.Val238Ala)

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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
3billion, Medical Genetics RCV002283640 SCV002572590 uncertain significance Developmental and epileptic encephalopathy, 11 2022-09-01 criteria provided, single submitter clinical testing The variant is not observed in the gnomAD v2.1.1 dataset. In silico tool predictions suggest damaging effect of the variant on gene or gene product (REVEL: 0.94; 3Cnet: 0.96). Therefore, this variant is classified as uncertain significance according to the recommendation of ACMG/AMP guideline.
Victorian Clinical Genetics Services, Murdoch Childrens Research Institute RCV004785561 SCV005399057 likely pathogenic Complex neurodevelopmental disorder 2024-10-09 criteria provided, single submitter clinical testing Based on the classification scheme VCGS_Germline_v1.3.5, this variant is classified as Likely pathogenic. Following criteria are met: 0103 - Loss of function and gain of function are known mechanisms of disease in this gene. Variants causing a gain of function result in developmental and epileptic encephalopathy 11 (MIM#613721) or benign familial infantile seizures 3 (MIM#607745), whereas variants causing loss of function result in autism spectrum disorder and/or intellectual disability, with or without childhood-onset seizures (OMIM, PMID:29691040, 31904126). (I) 0107 - This gene is associated with autosomal dominant disease. (I) 0200 - Variant is predicted to result in a missense amino acid change from valine to alanine. (I) 0251 - This variant is heterozygous. (I) 0301 - Variant is absent from gnomAD (v2, v3 and v4). (SP) 0501 - Missense variant consistently predicted to be damaging by multiple in silico tools or highly conserved with a major amino acid change. (SP) 0603 - Missense variant in a region that is highly intolerant to missense variation (high constraint region in DECIPHER). (SP) 0705 - No comparable missense variants have previous evidence for pathogenicity. (I) 0809 - Previous evidence of pathogenicity for this variant is inconclusive. This variant has been classified as a VUS in ClinVar. (I) 0905 - No published segregation evidence has been identified for this variant. (I) 1007 - No published functional evidence has been identified for this variant. (I) 1203 - This variant has been shown to be de novo in the proband (parental status confirmed by trio analysis). (SP) Legend: (SP) - Supporting pathogenic, (I) - Information, (SB) - Supporting benign

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