ClinVar Miner

Submissions for variant NM_014363.6(SACS):c.8542_8543del (p.Phe2848fs) (rs876657721)

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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Laboratory for Molecular Medicine, Partners HealthCare Personalized Medicine RCV000824756 SCV000271450 pathogenic Autosomal recessive spastic ataxia 2015-08-08 criteria provided, single submitter clinical testing The p.Phe2848fs variant in SACS has not been previously reported in individuals with clinical features of autosomal recessive spastic ataxia of Charlevoix-Sague nay (ARSACS) or in large population studies. This variant is predicted to cause a frameshift, which alters the protein?s amino acid sequence beginning at positi on 2848 and leads to a premature termination codon 14 amino acids downstream. T his premature termination codon occurs within the last exon of the gene (exon 10 ), and is more likely to escape nonsense mediated decay (NMD). Therefore, this v ariant is predicted to result in a truncated protein that is 1718 amino acids sh orter and lacks several functional domains of the normal protein. Loss of functi on variants in the SACS gene, most of which occur in exon 10, have been reported in several patients with ARSACS (Bouhlal 2011), and animal models support a los s of function mechanism of disease (Lariviere 2015). In summary, this variant me ets our criteria to be classified as pathogenic for ARSACS in an autosomal reces sive manner (
Counsyl RCV000218042 SCV000799221 likely pathogenic Charlevoix-Saguenay spastic ataxia 2018-04-11 criteria provided, single submitter clinical testing

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