ClinVar Miner

Submissions for variant NM_000454.5(SOD1):c.34G>T (p.Asp12Tyr)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Concord Molecular Medicine Laboratory, Concord Repatriation General Hospital RCV003486397 SCV004239103 likely pathogenic Amyotrophic lateral sclerosis type 1 2024-01-29 criteria provided, single submitter clinical testing This variant was detected in homozygous state in a male patient with a clinical diagnosis of ALS1 in his early 40s. Patient presented with rapidly progressive limb weakness over 1.5 years. The c.34G>T variant (p.(Asp12Tyr), also known as D11Y) has been reported in multiple heterozygous individuals with ALS1 in Italian population (PMID: 20740631, 21839474, 32987860, 35328090). It was suggested this variant has a founder effect in Italian population with specific phenotype and incomplete penetrance as a dominant trait (PMID: 22292847, 38112783). Described patients with heterozygous SOD1 c.34G>T variant showed slow progression with distal limb involvement, and predominant lower motor neuron signs (PMID: 32250500). It is found in control population at low frequency (rs762628133, gnomAD 0.0003%). In silico analysis suggests this variant to be damaging (REVEL: 0.65). The variant is in the critical superoxide dismutase copper/zinc binding domain (IPR001424). The current evidence allows a classification of the variant as “likely pathogenic” (ACMG criteria: PM1, PM2_supporting, PM3_supporting, PP1_moderate, PP3).

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