ClinVar Miner

Submissions for variant NM_022437.3(ABCG8):c.578C>T (p.Ala193Val)

gnomAD frequency: 0.00012  dbSNP: rs376362072
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Total submissions: 5
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Eurofins Ntd Llc (ga) RCV000732928 SCV000860927 uncertain significance not provided 2018-04-24 criteria provided, single submitter clinical testing
Illumina Laboratory Services, Illumina RCV001139258 SCV001299384 uncertain significance Sitosterolemia 1 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.
Labcorp Genetics (formerly Invitae), Labcorp RCV000732928 SCV003479729 likely benign not provided 2024-08-27 criteria provided, single submitter clinical testing
CeGaT Center for Human Genetics Tuebingen RCV000732928 SCV005331301 uncertain significance not provided 2024-08-01 criteria provided, single submitter clinical testing ABCG8: PM2
Women's Health and Genetics/Laboratory Corporation of America, LabCorp RCV004768621 SCV005380867 uncertain significance not specified 2024-08-08 criteria provided, single submitter clinical testing Variant summary: ABCG8 c.578C>T (p.Ala193Val) results in a non-conservative amino acid change located in the ABC transporter-like, ATP-binding domain (IPR003439) of the encoded protein sequence. Four of five in-silico tools predict a damaging effect of the variant on protein function. The variant allele was found at a frequency of 0.00016 in 250742 control chromosomes in the gnomAD database (v4), including 1 homozygotes. This frequency is not significantly higher than estimated for a pathogenic variant in ABCG8 causing Early Onset Coronary Artery Disease (0.00016 vs 0.005), allowing no conclusion about variant significance. To our knowledge, no occurrence of c.578C>T in individuals affected with Early Onset Coronary Artery Disease and no experimental evidence demonstrating its impact on protein function have been reported. ClinVar contains an entry for this variant (Variation ID: 596946). Based on the evidence outlined above, the variant was classified as uncertain significance.

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