期刊
CRITICAL REVIEWS IN ONCOLOGY HEMATOLOGY
卷 65, 期 3, 页码 212-222出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.critrevonc.2007.11.003
关键词
gp130; notch; NMDA; SDF-1/FGF-4; megakaryocytopoiesis
Megakaryocytopoiesis is a continuous developmental process of platelet production. In this process, a complex network of hemopoietic growth factors are involved, among which TPO (thrombopoietin) is the most thoroughly investigated regulator of MKs (megakaryocytes). In addition to TPO, other regulators also have non-negligible effects on megakaryocytopoiesis. The majority of their effects are independent of TPO signaling. To date, TPO-independent megakaryocytopoiesis forms a regulatory system that includes four signals and (an) unknown signaling pathway(s). These four pathways are the gp 130 (glycoprotein 130)-dependent signaling pathway, the Notch pathway, NMDA (N-methyl-D-aspartate) receptor-mediated signaling, and the SDF-1 (stromal cell-derived factor-1)/FGF-4 (fibroblast growth factor-4) paradigm. Understanding of the TPO-independent regulatory system is important because the system may offer additional opportunities to understand the developmental process and the mechanisms of disorders characterized by abnormal MIC and platelet production, such as thrombocytopenia and thrombocythemia, and to advance the development of therapeutics. (c) 2007 Elsevier Ireland Ltd. All rights reserved.
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