Megakaryocyte development is normal in mice with targeted disruption of Tescalcin.
[No authors listed]
摘要
BACKGROUND:Tescalcin is an EF-hand calcium-binding protein that interacts with the Na+/H+ exchanger 1 (NHE1). Levay and Slepak recently proposed a role for tescalcin in megakaryopoiesis that was independent of NHE1 activity. Their studies using K562 and HEL cell lines, and human CD34+ hematopoietic stem cells suggested an essential role for tescalcin in megakaryocyte differentiation. OBJECTIVE:To study the role of tescalcin in megakaryocyte development using a murine model of megakaryopoiesis. METHODS:We generated a mouse with targeted disruption of tescalcin and investigated megakaryocyte development. RESULTS:Tescalcin-deficient mice had a normal number of megakaryocytes and platelets. The morphology, polyploidization profile, and expression of Fli-1 in bone marrow-derived megakaryocytes were also normal. CONCLUSION:Tescalcin does not appear to be necessary for normal megakaryocyte development.
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基因功能
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原始数据
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文献解读
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