ClinVar Miner

Submissions for variant NM_031935.3(HMCN1):c.4373A>G (p.Asn1458Ser)

gnomAD frequency: 0.00011  dbSNP: rs757430423
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Total submissions: 4
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Illumina Laboratory Services, Illumina RCV001097728 SCV001254036 uncertain significance Age related macular degeneration 1 2018-01-12 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.
Labcorp Genetics (formerly Invitae), Labcorp RCV001873477 SCV002248661 uncertain significance not provided 2023-02-20 criteria provided, single submitter clinical testing 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. 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 serine amino acid residue is found in multiple mammalian species, which suggests that this missense change does not adversely affect protein function. ClinVar contains an entry for this variant (Variation ID: 874624). This variant has not been reported in the literature in individuals affected with HMCN1-related conditions. This variant is present in population databases (rs757430423, gnomAD 0.04%). This sequence change replaces asparagine, which is neutral and polar, with serine, which is neutral and polar, at codon 1458 of the HMCN1 protein (p.Asn1458Ser).
Genome-Nilou Lab RCV001097728 SCV004179764 uncertain significance Age related macular degeneration 1 2023-04-11 criteria provided, single submitter clinical testing
Ambry Genetics RCV004032031 SCV004883122 likely benign not specified 2024-01-03 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.

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