ClinVar Miner

Submissions for variant NM_031935.3(HMCN1):c.12667G>A (p.Glu4223Lys)

gnomAD frequency: 0.00001  dbSNP: rs1400175925
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Illumina Laboratory Services, Illumina RCV001096579 SCV001252798 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 RCV002554897 SCV002973677 uncertain significance not provided 2023-05-22 criteria provided, single submitter clinical testing An algorithm developed to predict the effect of missense changes on protein structure and function (PolyPhen-2) suggests that this variant is likely to be disruptive. ClinVar contains an entry for this variant (Variation ID: 873983). This variant has not been reported in the literature in individuals affected with HMCN1-related conditions. This variant is present in population databases (no rsID available, gnomAD 0.004%). This sequence change replaces glutamic acid, which is acidic and polar, with lysine, which is basic and polar, at codon 4223 of the HMCN1 protein (p.Glu4223Lys). 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.
Genome-Nilou Lab RCV001096579 SCV004180572 uncertain significance Age related macular degeneration 1 2023-04-11 criteria provided, single submitter clinical testing

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