ClinVar Miner

Submissions for variant NM_004415.4(DSP):c.2075C>T (p.Pro692Leu)

gnomAD frequency: 0.00001  dbSNP: rs1561690890
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Total submissions: 4
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV000696395 SCV000824956 uncertain significance Arrhythmogenic cardiomyopathy with wooly hair and keratoderma; Arrhythmogenic right ventricular dysplasia 8 2023-09-26 criteria provided, single submitter clinical testing This sequence change replaces proline, which is neutral and non-polar, with leucine, which is neutral and non-polar, at codon 692 of the DSP protein (p.Pro692Leu). This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with DSP-related conditions. ClinVar contains an entry for this variant (Variation ID: 574459). Algorithms developed to predict the effect of missense changes on protein structure and function output the following: SIFT: "Not Available"; PolyPhen-2: "Benign"; Align-GVGD: "Not Available". The leucine amino acid residue is found in multiple mammalian species, which suggests that this missense change does not adversely affect protein function. 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.
Fulgent Genetics, Fulgent Genetics RCV002493206 SCV002797532 uncertain significance Arrhythmogenic cardiomyopathy with wooly hair and keratoderma; Arrhythmogenic right ventricular dysplasia 8; Lethal acantholytic epidermolysis bullosa; Woolly hair-skin fragility syndrome; Keratosis palmoplantaris striata 2; Cardiomyopathy, dilated, with wooly hair, keratoderma, and tooth agenesis 2021-07-14 criteria provided, single submitter clinical testing
Ambry Genetics RCV004026377 SCV003627020 likely benign Cardiovascular phenotype 2022-07-14 criteria provided, single submitter clinical testing This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity.
All of Us Research Program, National Institutes of Health RCV003999656 SCV004836166 uncertain significance Arrhythmogenic cardiomyopathy with wooly hair and keratoderma 2023-12-13 criteria provided, single submitter clinical testing This missense variant replaces proline with leucine at codon 692 of the DSP protein. Computational prediction suggests that this variant may not impact protein structure and function (internally defined REVEL score threshold <= 0.5, PMID: 27666373). To our knowledge, functional studies have not been reported for this variant. This variant has not been reported in individuals affected with DSP-related disorders in the literature. This variant has not been identified in the general population by the Genome Aggregation Database (gnomAD). The available evidence is insufficient to determine the role of this variant in disease conclusively. Therefore, this variant is classified as a Variant of Uncertain Significance.

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