In vivo administration of stem cell factor to mice increases the absolute number of pluripotent hematopoietic stem cells - PubMed (original) (raw)
Comparative Study
. 1993 Jul 15;82(2):445-55.
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- PMID: 7687160
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Comparative Study
In vivo administration of stem cell factor to mice increases the absolute number of pluripotent hematopoietic stem cells
D M Bodine et al. Blood. 1993.
Free article
Abstract
We have examined the effects of administration of stem cell-factor (SCF) on the number and distribution of pluripotent hematopoietic stem cells (PHSC) in normal mice. Using the competitive repopulation assay we found that in vivo administration of SCF increases the absolute number of PHSC per mouse threefold. The increased numbers of PHSC are found in the peripheral blood and spleen of the SCF-treated animals. The spleen and peripheral blood stem cells completely repopulated the erythroid, myeloid, and lymphoid lineages of irradiated or W/Wv hosts, similar to bone marrow PHSC. PHSC from the peripheral blood of SCF-treated mice have a lineage marker-negative, c-kit-positive phenotype that is indistinguishable from that of bone marrow PHSC. The increase in the absolute number of spleen PHSC is associated with efficient gene transfer to these cells without prior treatment with 5-fluorouracil. This is a US government work. There are no restrictions on its use.
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