ClinVar Miner

Submissions for variant NM_014845.6(FIG4):c.1475G>C (p.Arg492Pro)

dbSNP: rs1777239433
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Broad Center for Mendelian Genomics, Broad Institute of MIT and Harvard RCV001254716 SCV001430789 likely pathogenic Cerebral hypomyelination 2020-05-28 criteria provided, single submitter research The heterozygous p.Arg492Pro variant in FIG4 was identified by our study, in the compound heterozygous state, along with another likely pathogenic variant, in 3 siblings with cerebral hypomyelination (PMID: 30740813). This variant was absent from large population studies. Computational prediction tools and conservation analyses suggest that this variant may impact the protein, though this information is not predictive enough to determine pathogenicity. In vitro functional studies provide some evidence that the p.Arg492Pro variant may slightly impact protein function (PMID: 30740813). However, these types of assays may not accurately represent biological function. The p.Arg492Pro is located in a region of FIG4 that is essential to protein folding and stability, suggesting that this variant is in a functional domain and supports pathogenicity (PMID: 30740813). In summary, although additional studies are required to fully establish its clinical significance, this variant is likely pathogenic. ACMG/AMP Criteria applied: PM2, PM1, PP3, PP1, PS3_Supporting (Richards 2015).

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