ClinVar Miner

Submissions for variant NM_002049.4(GATA1):c.653A>G (p.Asp218Gly)

dbSNP: rs104894816
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Total submissions: 5
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
NIHR Bioresource Rare Diseases, University of Cambridge RCV000852181 SCV000899853 likely pathogenic Thrombocytopenia 2019-02-01 criteria provided, single submitter research
ISTH-SSC Genomics in Thrombosis and Hemostasis, KU Leuven, Center for Molecular and Vascular Biology RCV000144258 SCV002499628 pathogenic Thrombocytopenia, X-linked, with or without dyserythropoietic anemia criteria provided, single submitter clinical testing
Victorian Clinical Genetics Services, Murdoch Childrens Research Institute RCV000144258 SCV005398338 pathogenic Thrombocytopenia, X-linked, with or without dyserythropoietic anemia 2024-10-10 criteria provided, single submitter clinical testing Based on the classification scheme VCGS_Germline_v1.3.5, this variant is classified as Pathogenic. Following criteria are met: 0102 - Loss of function is a known mechanism of disease in this gene and is associated with GATA1-related X-linked cytopenia (MONDO#0100089). (I) 0109 - This gene is associated with X-linked disease. Although males are more severely affected, females can have a milder phenotype, composed of mild anaemia and thrombocytopenia (PMID: 33611093). (I) 0200 - Variant is predicted to result in a missense amino acid change from aspartic acid to glycine. (I) 0253 - This variant is hemizygous. (I) 0301 - Variant is absent from gnomAD (v2, v3 and v4). (SP) 0502 - Missense variant with conflicting in silico predictions and uninformative conservation. (I) 0603 - Missense variant in a region that is highly intolerant to missense variation (high constraint region in DECIPHER). (SP) 0704 - Another missense variant comparable to the one identified in this case has limited previous evidence for pathogenicity. p.(Asp218Asn) has been reported in individuals with macrothrombocytopenia (ClinVar, PMIDs: 23971719, 11809723). p.(Asp218Tyr) has been reported in individuals with severe macrothrombocytopenia, marked anaemia and early mobility, however, it is not considered comparable as it has a higher Grantham score, indicating a greater physicochemical difference (ClinVar, PMIDs: 11809723, 31652397). (SP) 0803 - This variant has limited previous evidence of pathogenicity in unrelated individuals. This variant has been reported in a large family with X-linked macrothrombocytopenia with no marked anaemia (PMID: 11418466). (SP) 0901 - This variant has strong evidence for segregation with disease. This variant has been shown to segregate with disease in a large family with X-linked macrothrombocytopenia with no marked anaemia (PMID: 11418466). (SP) 1002 - This variant has moderate functional evidence supporting abnormal protein function. Functional studies on patient platelets has shown that the binding between GATA1 and FOG1 is reduced (PMID: 12483298). (SP) 1208 - Inheritance information for this variant is not currently available in this individual. (I) Legend: (SP) - Supporting pathogenic, (I) - Information, (SB) - Supporting benign
OMIM RCV000011169 SCV000031396 pathogenic Thrombocytopenia, X-linked, without dyserythropoietic anemia 2001-07-01 no assertion criteria provided literature only
GeneReviews RCV000144258 SCV000189418 not provided Thrombocytopenia, X-linked, with or without dyserythropoietic anemia no assertion provided literature only

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