Dendritic cells and macrophages can mature independently from a human bone marrow-derived, post-colony-forming unit intermediate

Paul Szabolcs, David Avigan, Stuart Gezelter, David H. Ciocon, Malcolm A S Moore, Ralph M. Steinman, James W. Young

Research output: Contribution to journalArticle

199 Citations (Scopus)

Abstract

CD34+ precursors in normal human bone marrow (BM) generate large numbers of dendritic cells alongside macrophages and granulocytic precursors when cultured for 12 to 14 days in c-kit ligand, granulocyte-macrophage colony- stimulating factor (GM-CSF), and tumor necrosis factor-α (TNF-α). This study reports an intermediate call type that develops by day 6, and has the potential to differentiate into either macrophages or dendritic cells. When the d6 progeny are depleted of mature macrophages and residual CD34+ precursors, a discrete CD14+ HLA-DR+ population persists in addition to immunostimulatory CD14- HLA-DR+++ dendritic cells. Half of the CD14+ HLA-DR+ population is in cell cycle (Ki-67+), but colony-forming units (CFUs) are no longer detectable. The cells are c-fms+, but lack myeloperoxidase and nonspecific esterase. They also possess substantial phagocytic and allostimulatory activity. These post-CFU, CD14+ HLA-DR+ intermediates develop into typical macrophages when recultured in the absence of exogenous cytokines. M-CSF supports up to ~2.5-fold expansion of macrophage progeny. In contrast, the combination of GM-CSF and TNF-α supports quantitative differentiation into dendritic cells, lacking c-fms, CD14, and other macrophage properties, and expressing HLA-DR, CD1a, CD83, CD80, CD86, and potent allostimulatory activity. Therefore, normal CD34+ BM precursors can generate a post-CFU bipotential intermediate in the presence of c-kit ligand, GM-CSF, and TNF-α. This intermediate call type will develop along the dendritic cell pathway when macrophages are removed and GM-CSF and TNF-α are provided. Alternatively, it can differentiate along a macrophage pathway when recultured with or without M-CSF.

Original languageEnglish (US)
Pages (from-to)4520-4530
Number of pages11
JournalBlood
Volume87
Issue number11
StatePublished - Jun 1 1996
Externally publishedYes

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Macrophages
Dendritic Cells
Bone
Stem Cells
Bone Marrow
HLA-DR Antigens
Granulocyte-Macrophage Colony-Stimulating Factor
Tumor Necrosis Factor-alpha
Stem Cell Factor
Macrophage Colony-Stimulating Factor
Carboxylesterase
Population
Peroxidase
Cell Cycle
Cells
Cytokines

ASJC Scopus subject areas

  • Hematology

Cite this

Szabolcs, P., Avigan, D., Gezelter, S., Ciocon, D. H., Moore, M. A. S., Steinman, R. M., & Young, J. W. (1996). Dendritic cells and macrophages can mature independently from a human bone marrow-derived, post-colony-forming unit intermediate. Blood, 87(11), 4520-4530.

Dendritic cells and macrophages can mature independently from a human bone marrow-derived, post-colony-forming unit intermediate. / Szabolcs, Paul; Avigan, David; Gezelter, Stuart; Ciocon, David H.; Moore, Malcolm A S; Steinman, Ralph M.; Young, James W.

In: Blood, Vol. 87, No. 11, 01.06.1996, p. 4520-4530.

Research output: Contribution to journalArticle

Szabolcs, P, Avigan, D, Gezelter, S, Ciocon, DH, Moore, MAS, Steinman, RM & Young, JW 1996, 'Dendritic cells and macrophages can mature independently from a human bone marrow-derived, post-colony-forming unit intermediate', Blood, vol. 87, no. 11, pp. 4520-4530.
Szabolcs P, Avigan D, Gezelter S, Ciocon DH, Moore MAS, Steinman RM et al. Dendritic cells and macrophages can mature independently from a human bone marrow-derived, post-colony-forming unit intermediate. Blood. 1996 Jun 1;87(11):4520-4530.
Szabolcs, Paul ; Avigan, David ; Gezelter, Stuart ; Ciocon, David H. ; Moore, Malcolm A S ; Steinman, Ralph M. ; Young, James W. / Dendritic cells and macrophages can mature independently from a human bone marrow-derived, post-colony-forming unit intermediate. In: Blood. 1996 ; Vol. 87, No. 11. pp. 4520-4530.
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