
S1P1 overexpression stimulates S1P-dependent chemotaxis of human CD34+ hematopoietic progenitor cells but strongly inhibits SDF-1/CXCR4-dependent migration and in vivo homing
Keywords: PBPCs, mobilized peripheral blood progenitor cells; HSC, hematopoietic stem cells; S1P, sphingosine-1-phophate; LPA, lysophosphatidic acid; SDF-1stromal cell-derived, factor 1HSC; S1P1; CXCR4; SDF-1; Migration; Homing