ClinVar Miner

Submissions for variant NM_005566.4(LDHA):c.83T>C (p.Val28Ala)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV003028453 SCV003311972 uncertain significance Glycogen storage disease due to lactate dehydrogenase M-subunit deficiency 2023-12-07 criteria provided, single submitter clinical testing This sequence change replaces valine, which is neutral and non-polar, with alanine, which is neutral and non-polar, at codon 28 of the LDHA protein (p.Val28Ala). This variant is present in population databases (rs776016684, gnomAD 0.003%). This variant has not been reported in the literature in individuals affected with LDHA-related conditions. ClinVar contains an entry for this variant (Variation ID: 2097402). 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 not expected to disrupt LDHA protein function with a negative predictive value of 80%. 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.

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