Publication: Comparative proteome-wide analysis of bone marrow microenvironment of β-thalassemia/hemoglobin E
Issued Date
2019-03-01
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ISSN
22277382
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2-s2.0-85066448450
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Mahidol University
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SCOPUS
Bibliographic Citation
Proteomes. Vol.7, No.1 (2019)
Suggested Citation
Saranyoo Ponnikorn, Rungrawee Mongkolrob, Suwit Klongthalay, Sittiruk Roytrakul, Kitima Srisanga, Sumalee Tungpradabkul, Suradej Hongeng Comparative proteome-wide analysis of bone marrow microenvironment of β-thalassemia/hemoglobin E. Proteomes. Vol.7, No.1 (2019). doi:10.3390/proteomes7010008 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/50244
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Title
Comparative proteome-wide analysis of bone marrow microenvironment of β-thalassemia/hemoglobin E
Abstract
© 2019 by the authors. β-thalassemia/Hb E is a global health issue, which is characterized by a range of clinical symptoms from a mild and asymptomatic anemia to severe disorders that require transfusions from infancy. Pathological mechanisms of the disease involve the excess of unmatched alpha globin and iron overload, leading to ineffective erythropoiesis and ultimately to the premature death of erythroid precursors in bone marrow (BM) and peripheral organs. However, it is unclear as to how BM microenvironment factors contribute to the defective erythropoiesis in β-thalassemia/Hb E patients. Here, we employed mass spectrometry-based comparative proteomics to analyze BM plasma that was collected from six β-thalassemia/Hb E patients and four healthy donors. We identified that the differentially expressed proteins are enriched in secretory or exosome-associated proteins, many of which have putative functions in the oxidative stress response. Using Western blot assay, we confirmed that atypical lipoprotein, Apolipoprotein D (APOD), belonging to the Lipocalin transporter superfamily, was significantly decreased in BM plasma of the tested pediatric β-thalassemia/Hb E patients. Our results highlight that the disease condition of ineffective erythropoiesis and oxidative stress found in BM microenvironment of β-thalassemia/Hb E patients is associated with the impaired expression of APOD protein.