Unremitting blood cell production throughout the lifetime of an organism is reliant on hematopoietic stem cells (HSCs). A rare and relatively quiescent cell type, HSCs are, on entry into cell cycle fated to self-renew, undergo apoptosis or differentiate to progenitors (HPCs) that eventually yield specific classes of blood cells. Disruption of these HSC fate decisions is considered to be fundamental to the development of leukemia. Much effort has therefore been placed on understanding the molecular pathways that regulate HSC fate decisions and how these processes are undermined in leukemia. Transcription factors have emerged as critical regulators in this respect. Here we review the participation of zinc finger transcription factor GATA-2 in regulating normal hematopoietic stem and progenitor cell functionality, myelodysplasia and myeloid leukemia.
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| http://dx.doi.org/10.1016/j.biocel.2011.12.004 | DOI Listing |
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