ClinVar Miner

Submissions for variant NM_002691.4(POLD1):c.497G>A (p.Arg166Gln)

gnomAD frequency: 0.00001  dbSNP: rs750144413
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000228410 SCV000287632 uncertain significance Colorectal cancer, susceptibility to, 10 2022-10-31 criteria provided, single submitter clinical testing This sequence change replaces arginine, which is basic and polar, with glutamine, which is neutral and polar, at codon 166 of the POLD1 protein (p.Arg166Gln). This variant is present in population databases (rs750144413, gnomAD 0.003%). This variant has not been reported in the literature in individuals affected with POLD1-related conditions. ClinVar contains an entry for this variant (Variation ID: 239350). 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 POLD1 protein function. RNA analysis performed to evaluate the impact of this missense change on mRNA splicing indicates it does not significantly alter splicing (Invitae). 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.
Centre for Mendelian Genomics, University Medical Centre Ljubljana RCV001197534 SCV001368313 likely benign Mandibular hypoplasia-deafness-progeroid syndrome 2020-04-02 criteria provided, single submitter clinical testing This variant was classified as: Likely benign. The following ACMG criteria were applied in classifying this variant: BP4,BS2.
GeneDx RCV001558398 SCV001780336 uncertain significance not provided 2023-08-08 criteria provided, single submitter clinical testing Not observed at significant frequency in large population cohorts (gnomAD); In silico analysis supports that this missense variant does not alter protein structure/function; Has not been previously published as pathogenic or benign to our knowledge; This variant is associated with the following publications: (PMID: 21822268, 31034466, 29056344)

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