ClinVar Miner

Submissions for variant NM_014363.6(SACS):c.562G>A (p.Gly188Arg)

gnomAD frequency: 0.00001  dbSNP: rs780184251
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Mendelics RCV000988966 SCV001138919 likely pathogenic Charlevoix-Saguenay spastic ataxia 2019-05-28 criteria provided, single submitter clinical testing
Women's Health and Genetics/Laboratory Corporation of America, LabCorp RCV000988966 SCV004021104 pathogenic Charlevoix-Saguenay spastic ataxia 2023-06-20 criteria provided, single submitter clinical testing Variant summary: SACS c.562G>A (p.Gly188Arg) results in a non-conservative amino acid change in the encoded protein sequence. Five of five in-silico tools predict a damaging effect of the variant on protein function. The variant allele was found at a frequency of 4e-06 in 251480 control chromosomes. c.562G>A has been reported in the literature in multiple homozygous individuals affected with Autosomal Recessive Spastic Ataxia Of Charlevoix-Saguenay (e.g., Rezende Filho_2018, da Graca_2020). These data indicate that the variant is very likely to be associated with disease. To our knowledge, no experimental evidence demonstrating an impact on protein function has been reported. The following publications have been ascertained in the context of this evaluation (PMID: 30638817, 33956305). One submitter has cited clinical-significance assessments for this variant to ClinVar after 2014 and has classified the variant as likely pathogenic. Based on the evidence outlined above, the variant was classified as pathogenic.

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