Abstract:Megakaryocytes (Mgk) differentiate from hematopoietic stem cells through the complex process of endomitosis and cytoplasmic development, and finally form proplatelets in the terminal stage of the differentiation. To elucidate the role of a proapoptotic effecter protein, caspase-3, in megakaryopoiesis and thrombopiesis, we analyzed the phenotype of Mgk in vav-Bcl-2 transgenic (Tg) mice, which overexpress Bcl-2 exclusively in hematopoietic cells by the regulation of vav promotor. As was expected, Bcl-2-overexres… Show more
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