THPO gene variants in patients with acquired aplastic anemia

Hematology, Transfusion and Cell Therapy(2018)

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Abstract
Abstract Background Human aplastic anemia is a hematologic disease characterized by low peripheral blood cell counts associated with reduced numbers of hematopoietic stem and progenitor cells and a hypocellular bone marrow. Thrombopoietin (THPO) regulates megakaryocytes, but it also stimulates hematopoietic stem and progenitor cells. Biallelic mutations in the THPO gene have been reported in a family with recessive inherited aplastic anemia. Methods This study screened 83 patients diagnosed with acquired aplastic anemia and 92 paired healthy controls for germline variants in the THPO gene using Sanger sequencing. Results Three common single nucleotide polymorphisms were identified in patients and controls at comparable allele frequencies. There was no correlation between the single nucleotide polymorphism carrier status and platelet counts at diagnosis. Conclusion The presence of THPO polymorphisms is comparable between patients with acquired aplastic anemia and healthy individuals.
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Key words
Aplastic anemia,Thrombopoietin,THPO,Variants
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