ClinVar Miner

Submissions for variant NM_152443.3(RDH12):c.164C>T (p.Thr55Met) (rs766631462)

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Total submissions: 4
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
CeGaT Praxis fuer Humangenetik Tuebingen RCV001091052 SCV001246889 pathogenic not provided 2016-10-01 criteria provided, single submitter clinical testing
Broad Institute Rare Disease Group,Broad Institute RCV000993753 SCV001430808 likely pathogenic Leber congenital amaurosis 13 2020-05-29 criteria provided, single submitter research The heterozygous p.Thr55Met variant in RDH12 was identified by our study in 1 individual with leber congenital amaurosis, in a compound heterozygous state with a pathogenic variant (PMID: 32014858). Please note that this variant has been identified by a collaborative research study and was also be submitted by Massachusetts Eye and Ear. The p.Thr55Met variant has also been reported in an additional individual with leber congenital amaurosis (PMID: 16269441), and it was confirmed to be in trans with a pathogenic variant in that reported individual, which increases the likelihood that the p.Thr55Met variant is pathogenic (PMID: 16269441). This variant has been identified in 0.011% (2/18392) of East Asian chromosomes by the Genome Aggregation Database (gnomAD, http://gnomad.broadinstitute.org). Although this variant has been seen in the general population, its frequency is not high enough to rule out a pathogenic role. This variant has also been reported in ClinVar as pathogenic by Sharon lab, Hadassah-Hebrew University Medical Center and likely pathogenic by Ocular Genomics Institute, Massachusetts Eye and Ear (Variation ID: 805928). In vitro functional studies provide some evidence that the p.Thr55Met variant may slightly impact protein function (PMID: 16269441). However, these types of assays may not accurately represent biological function. Computational prediction tools and conservation analyses suggest that this variant may impact the protein, though this information is not predictive enough to determine pathogenicity. The p.Thr55Met variant is located in a region of RDH12 that is essential to protein folding and stability, suggesting that this variant is in a functional domain and slightly supports pathogenicity (PMID: 32014858).In summary, although additional studies are required to fully establish its clinical significance, this variant is likely pathogenic for autosomal recessive Leber congenital amaurosis. ACMG/AMP Criteria applied: PP3, PM1_supporting, PM3_strong, PS3_supporting (Richards 2015).
Ocular Genomics Institute,Massachusetts Eye and Ear RCV000993753 SCV001146946 likely pathogenic Leber congenital amaurosis 13 2019-08-01 no assertion criteria provided clinical testing
Sharon lab,Hadassah-Hebrew University Medical Center RCV001003153 SCV001161222 pathogenic Leber congenital amaurosis 2019-06-23 no assertion criteria provided research

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