ClinVar Miner

Submissions for variant NC_000021.8:g.(?_36252844)_(36253020_?)del

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
ClinGen Myeloid Malignancy Variant Curation Expert Panel RCV003448646 SCV004176244 pathogenic Hereditary thrombocytopenia and hematologic cancer predisposition syndrome 2023-12-09 reviewed by expert panel curation NC_000021.9:g.(?_34880547)_(34880723_?)del causes a deletion of exon 5 in RUNX1, which results in a frameshift mutation leading to nonsense mediated decay of the protein. A similar deletion was found to co-segregate with disease in multiple affected family members, with five meioses observed in one family (PP1_ Moderate; PMID: 19946261). Deletions of exon 5 have been reported in two probands meeting at least one of the RUNX1-phenotypic criteria (PS4_ Moderate; PMID: 19946261, PMID: 32990483). Exon 5 contains codons 118 to 170 which lie within the functional domain of RUNX1. In addition, the deletion is absent from population databases. In summary, this variant meets criteria to be classified as pathogenic. ACMG/AMP criteria applied, as specified by the Myeloid Malignancy Variant Curation Expert Panel for RUNX1: PVS1, PP1_moderate, PS4_moderate, PM1_supporting, PM2_supporting.

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