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Hematopoietic stem and progenitor cells (HSPC), attracted by the chemokine CXCL12, reside in specific niches in the bone marrow (BM). HSPC migration out of the BM is a critical process that underlies modern clinical stem cell transplantation. Here we demonstrate that enforced HSPC egress from BM niches depends critically on the nervous system. UDP-galactose(More)
The selectin family of adhesion molecules and their glycoconjugated ligands are essential for blood polymorphonuclear neutrophil (PMN) extravasation into inflammatory and infectious sites. However, E-selectin ligands on PMNs are not well characterized. We show here that CD44 immunopurified from G-CSF-differentiated 32D cells or from peripheral blood PMNs(More)
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