ClinVar Miner

Submissions for variant NM_004453.4(ETFDH):c.786G>T (p.Leu262Phe)

dbSNP: rs1450977775
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Total submissions: 4
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Baylor Genetics RCV001329259 SCV001520645 likely pathogenic Multiple acyl-CoA dehydrogenase deficiency 2023-11-20 criteria provided, single submitter clinical testing
Labcorp Genetics (formerly Invitae), Labcorp RCV001329259 SCV002294099 uncertain significance Multiple acyl-CoA dehydrogenase deficiency 2022-07-19 criteria provided, single submitter clinical testing This sequence change replaces leucine, which is neutral and non-polar, with phenylalanine, which is neutral and non-polar, at codon 262 of the ETFDH protein (p.Leu262Phe). This variant is not present in population databases (gnomAD no frequency). This missense change has been observed in individual(s) with glutaric acidemia type II (PMID: 12359134). ClinVar contains an entry for this variant (Variation ID: 1028249). Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is expected to disrupt ETFDH protein function. Studies have shown that this missense change alters ETFDH gene expression (PMID: 12359134). 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.
Genomic Medicine Center of Excellence, King Faisal Specialist Hospital and Research Centre RCV001329259 SCV004810027 likely pathogenic Multiple acyl-CoA dehydrogenase deficiency 2024-04-04 criteria provided, single submitter clinical testing
Women's Health and Genetics/Laboratory Corporation of America, LabCorp RCV004690081 SCV005185692 uncertain significance not specified 2024-05-16 criteria provided, single submitter clinical testing Variant summary: ETFDH c.786G>T (p.Leu262Phe) 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 was absent in 251324 control chromosomes. c.786G>T has been reported in the literature in one individual affected with Glutaric Aciduria, Type 2c (Goodman_2002). These data indicate that the variant may be associated with disease. To our knowledge, no experimental evidence demonstrating an impact on protein function has been reported. The following publication have been ascertained in the context of this evaluation (PMID: 12359134). ClinVar contains an entry for this variant (Variation ID: 1028249). Based on the evidence outlined above, the variant was classified as VUS-possibly pathogenic.

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