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Hematology, Transfusion and Cell Therapy

versão impressa ISSN 2531-1379versão On-line ISSN 2531-1387

Resumo

PADILHA, Pedro Henrique et al. THPO gene variants in patients with acquired aplastic anemia. Hematol., Transfus. Cell Ther. [online]. 2018, vol.40, n.4, pp.339-342. ISSN 2531-1379.  https://doi.org/10.1016/j.htct.2018.01.009.

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.

Palavras-chave : Aplastic anemia; Thrombopoietin; THPO; Variants.

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