FLT3 Ligand Preserves the Ability of Human CD34+ Progenitors to Sustain Long-Term Hematopoiesis in Immune-Deficient Mice After Ex Vivo Retroviral-Mediated Transduction

Abstract excerpt

Stromal support is required during retroviral-mediated transduction of human bone marrow-derived CD34+ cells to maintain the clonogenicity of the primitive progenitors. We hypothesized that the cytokine FLT3 ligand (FL) might be able to replace the maintenance role provided by the stroma. CD34+ progenitors from human bone marrow were transduced by the retroviral vector LN with the cytokines interleukin-3 (IL-3),...

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