ClinVar Miner

Submissions for variant NM_000212.3(ITGB3):c.1800G>A (p.Leu600=)

gnomAD frequency: 0.00038  dbSNP: rs139884210
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Total submissions: 4
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
ClinGen Platelet Disorders Variant Curation Expert Panel, ClinGen RCV001127594 SCV002047598 uncertain significance Glanzmann thrombasthenia 2024-04-16 reviewed by expert panel curation The NM_000212.3(ITGB3):c.1800G>A (p.Leu600=) synonymous variant was observed by Illumina as part of a predisposition screen in an ostensibly healthy population but has not been reported in a GT patient. The variant occurs at an allele frequency greater than expected for the disorder with a MAF of 0.01233 (365/29608 alleles, with 5 homozygotes) in the gnomADv4.0.0 Ashkenazi Jewish population (BS1). It is not predicted to have an impact on splicing consensus sites but the nucleotide is highly conserved. In summary there is insufficient evidence resulting in a classification of Uncertain Significance. GT-specific criteria applied: BS1.
Labcorp Genetics (formerly Invitae), Labcorp RCV000861118 SCV001001341 benign not provided 2024-01-29 criteria provided, single submitter clinical testing
Illumina Laboratory Services, Illumina RCV001127594 SCV001286921 uncertain significance Glanzmann thrombasthenia 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.
PreventionGenetics, part of Exact Sciences RCV004751758 SCV005354224 likely benign ITGB3-related disorder 2024-07-11 no assertion criteria provided clinical testing This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications).

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