ClinVar Miner

Submissions for variant NM_022124.6(CDH23):c.1061G>A (p.Ser354Asn) (rs200792189)

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Total submissions: 4
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Laboratory for Molecular Medicine, Partners HealthCare Personalized Medicine RCV000039092 SCV000062772 uncertain significance not specified 2014-08-11 criteria provided, single submitter clinical testing The Ser354Asn variant in CDH23 gene has not been previously reported in individu als with hearing loss, but has been identified in 1/8578 European American chrom osomes by the NHLBI Exome Sequencing Project (http://evs.gs.washington.edu/EVS/; dbSNP rs200792189). Computational prediction tools and conservation analyses do not provide strong support for or against an impact to the protein. In summary, the clinical significance of the Ser354Asn variant is uncertain.
Illumina Clinical Services Laboratory,Illumina RCV001103162 SCV001259883 uncertain significance Usher syndrome type 1D 2018-01-13 criteria provided, single submitter clinical testing This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score, this variant could not be ruled out of causing disease and therefore its association with disease required further investigation. A literature search was performed for the gene, cDNA change, and amino acid change (if applicable). No publications were found based on this search. This variant was therefore classified as a variant of unknown significance for this disease.
Illumina Clinical Services Laboratory,Illumina RCV001103163 SCV001259884 uncertain significance Deafness, autosomal recessive 12 2018-01-13 criteria provided, single submitter clinical testing This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score, this variant could not be ruled out of causing disease and therefore its association with disease required further investigation. A literature search was performed for the gene, cDNA change, and amino acid change (if applicable). No publications were found based on this search. This variant was therefore classified as a variant of unknown significance for this disease.
Invitae RCV001245675 SCV001418977 uncertain significance not provided 2019-10-15 criteria provided, single submitter clinical testing This sequence change replaces serine with asparagine at codon 354 of the CDH23 protein (p.Ser354Asn). The serine residue is highly conserved and there is a small physicochemical difference between serine and asparagine. This variant is present in population databases (rs200792189, ExAC 0.01%). This variant has not been reported in the literature in individuals with CDH23-related conditions. ClinVar contains an entry for this variant (Variation ID: 45859). Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Deleterious"; PolyPhen-2: "Not Available"; Align-GVGD: "Class C45"). 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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