ClinVar Miner

Submissions for variant NM_002693.3(POLG):c.2481-4C>G

dbSNP: rs764833370
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV001997049 SCV002220366 uncertain significance Progressive sclerosing poliodystrophy 2022-08-31 criteria provided, single submitter clinical testing This sequence change falls in intron 15 of the POLG gene. It does not directly change the encoded amino acid sequence of the POLG protein. This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with POLG-related conditions. ClinVar contains an entry for this variant (Variation ID: 1448080). Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may create or strengthen a splice site. 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.
Ambry Genetics RCV002563517 SCV003640050 uncertain significance Inborn genetic diseases 2022-10-25 criteria provided, single submitter clinical testing The c.2481-4C>G intronic alteration consists of a C to G substitution 4 nucleotides before exon 16 (coding exon 15) of the POLG gene. Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear.
GeneDx RCV003232480 SCV003930200 uncertain significance not provided 2022-11-30 criteria provided, single submitter clinical testing Not observed at significant frequency in large population cohorts (gnomAD); In silico analysis supports a deleterious effect on splicing; Has not been previously published as pathogenic or benign to our knowledge

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