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Science 6 January 1995:
Vol. 267. no. 5194, pp. 104 - 108
DOI: 10.1126/science.7528940

Articles

Science, Vol 267, Issue 5194, 104-108
Copyright © 1995 by American Association for the Advancement of Science


articles

Functional isolation and characterization of human hematopoietic stem cells

AC Berardi, A Wang, JD Levine, P Lopez, and DT Scadden

Division of Hematology/Oncology, Deaconess Hospital, Harvard Medical School, Boston, MA 02215.

Hematopoietic cells differentiate in steps marked by the acquisition or loss of specific phenotypic characteristics. Human bone marrow cells that were responsive to the early-acting cytokines Kit ligand and interleukin-3 were forced to a metabolic death. The subfraction remaining represented 1 in 10(5) bone marrow mononuclear cells, were determined to be quiescent by cell cycle analysis, and had a stem cell immunophenotype. The cells were highly enriched for long-term culture-initiating cells, were capable of secondary colony formation, and produced both myeloid and lymphoid progeny. Thus, this technically simple strategy led to the efficient purification of cells with characteristics of hematopoietic stem cells.


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Phenotypic and Functional Evidence for the Expression of CD4 by Hematopoietic Stem Cells Isolated From Human Fetal Liver.
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FLT3 Ligand Preserves the Ability of Human CD34+ Progenitors to Sustain Long-Term Hematopoiesis in Immune-Deficient Mice After Ex Vivo Retroviral-Mediated Transduction.
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C. A. Blau, T. Neff, and T. Papayannopoulou (1997)
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N. Takakura, H. Kodama, S. Nishikawa, and S.-I. Nishikawa (1996)
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