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Comparison of Unmobilized and Mobilized Graft Characteristics and the Implications of Cell Subsets on Autologous and Allogeneic Transplantation Outcomes Stefan Fruehauf, Guido Tricot Biology of Blood and Marrow Transplantation Volume 16, Issue 12, Pages (December 2010) DOI: /j.bbmt Copyright © 2010 American Society for Blood and Marrow Transplantation Terms and Conditions
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Figure 1 Mechanisms of stem cell mobilization. G-CSF mobilizes CD34+ cells via down-regulation of SDF-1 expression and induction of CD26/dipeptidyl peptidase IV (DPPIV) cleavage of cell surface SDF-1. In addition, G-CSF stimulates polymorphonuclear leukocyte cell release of the proteases NE, CG, and MMP-9, which cleave VCAM-1, c-kit, and SDF-1, releasing stem cells from the bone marrow into the peripheral blood. Plerixafor mobilizes stem cells through direct antagonism of CXCR4, which inhibits the interaction of SDF-1 with CXCR4. (Adapted from Future Oncol. 2005;1: , with permission of Future Medicine, Ltd.) Biology of Blood and Marrow Transplantation , DOI: ( /j.bbmt ) Copyright © 2010 American Society for Blood and Marrow Transplantation Terms and Conditions
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