ClinVar Miner

Submissions for variant NM_001754.5(RUNX1):c.784C>T (p.Gln262Ter)

dbSNP: rs1601415426
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
ClinGen Myeloid Malignancy Variant Curation Expert Panel RCV002264741 SCV002546387 pathogenic Hereditary thrombocytopenia and hematologic cancer predisposition syndrome 2021-06-12 reviewed by expert panel curation The c.784C>T (p.Gln262Ter) variant is a nonsense variant that is predicted to introduce a premature stop codon and expected to result in nonsense-mediated mRNA decay (PVS1). This variant is completely absent from all population databases (gnomAD v2 and v3, ESP) with at least 20x coverage for RUNX1 (PM2_supporting). The variant has been reported in one proband meeting at least one of the RUNX1-phenotypic criteria (PMID: 22430633) (PS4_ Supporting). It is of note that this variant was also found to co-segregate with disease in multiple affected family members of the aforementioned proband, but not in a sufficient number of individuals (PMID: 22430633). Note that the variant has also been reported in other individuals without definitive germline origin: patients with an unspecified platelet function disorder (PMID: 31064749), AML (PMID: 23958918), an esophageal tumor (PMID: 23525077), and the somatic/likely somatic variant has been identified in MDS/AML (Arcila, 2015, Presentation at USCAP Annual Meeting; Milosevic Feenstra et al., 2015, ASH Abstract 1626; PMID: 24030381) and solid tumors (COSMIC ID: COSV55866493; PMID: 30543347). Other downstream null variants have been frequently described in association with hereditary thrombocytopenia and hematologic cancer predisposition syndrome (PM5_supporting). In summary, this variant meets criteria to be classified as pathogenic. ACMG/AMP criteria applied, as specified by the ClinGen Myeloid Malignancy Variant Curation Expert Panel for RUNX1: PVS1, PS4_supporting, PM2_supporting, and PM5_supporting.
NIHR Bioresource Rare Diseases, University of Cambridge RCV000852220 SCV000899925 likely pathogenic Storage pool disease of platelets 2019-02-01 criteria provided, single submitter research

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