Dendritic cell potentials of early lymphoid and myeloid progenitors

Markus G. Manz, David Traver, Toshihiro Miyamoto, Irving L. Weissman, Koichi Akashi

Research output: Contribution to journalArticle

293 Citations (Scopus)

Abstract

It has been proposed that there are at least 2 classes of dendritic cells (DCs), CD8α+ DCs derived from the lymphoid lineage and CD8α- DCs derived from the myeloid lineage. Here, the abilities of lymphoid- and myeloid-restricted progenitors to generate DCs are compared, and their overall contributions to the DC compartment are evaluated. It has previously been shown that primitive myeloid-committed progenitors (common myeloid progenitors [CMPs]) are efficient precursors of both CD8α+ and CD8α- DCs in vivo. Here it is shown that the earliest lymphoid-committed progenitors (common lymphoid progenitors [CLPs]) and CMPs and their progeny granulocyte-macrophage progenitors (GMPs) can give rise to functional DCs in vitro and in vivo. CLPs are more efficient in generating DCs than their T-lineage descendants, the early thymocyte progenitors and pro-T cells, and CMPs are more efficient DC precursors than the descendant GMPs, whereas pro-B cells and megakaryocyte-erythrocyte progenitors are incapable of generating DCs. Thus, DC developmental potential is preserved during T- but not B-lymphoid differentiation from CLP and during granulocyte-macrophage but not megakaryocyte-erythrocyte development from CMP. In vivo reconstitution experiments show that CLPs and CMPs can reconstitute CD8α+ and CD8α- DCs With similar efficiency on a per cell basis. However, CMPs are 10-fold more numerous than CLPs suggesting that at steady state, CLPs provide only a minority of splenic DCs and approximately half the DCs in thymus, whereas most DCs, including CD8α+ and CD8α- subtypes, are of myeloid origin.

Original languageEnglish
Pages (from-to)3333-3341
Number of pages9
JournalBlood
Volume97
Issue number11
DOIs
Publication statusPublished - Jun 1 2001

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Dendritic Cells
Lymphoid Progenitor Cells
Myeloid Progenitor Cells
Macrophages
Granulocyte-Macrophage Progenitor Cells
Megakaryocyte-Erythroid Progenitor Cells
Thymus
B-Lymphoid Precursor Cells
Megakaryocytes
T-cells
Thymocytes
Granulocytes
Thymus Gland
Erythrocytes
Cells

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Immunology
  • Hematology
  • Cell Biology

Cite this

Dendritic cell potentials of early lymphoid and myeloid progenitors. / Manz, Markus G.; Traver, David; Miyamoto, Toshihiro; Weissman, Irving L.; Akashi, Koichi.

In: Blood, Vol. 97, No. 11, 01.06.2001, p. 3333-3341.

Research output: Contribution to journalArticle

Manz, Markus G. ; Traver, David ; Miyamoto, Toshihiro ; Weissman, Irving L. ; Akashi, Koichi. / Dendritic cell potentials of early lymphoid and myeloid progenitors. In: Blood. 2001 ; Vol. 97, No. 11. pp. 3333-3341.
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