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Superiority of bone marrow-derived dendritic cells over monocyte-derived ones for the expansion of regulatory T cells in the Macaque

Transplantation, ISSN: 0041-1337, Vol: 85, Issue: 9, Page: 1351-1356
2008
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Article Description

Regulatory T cells (Treg) have been identified as playing a pivotal role in the control of tolerance and in the suppression of pathologic immune responses in autoimmune diseases, transplantation, and graft-versus-host disease. Treg expanded ex vivo by dendritic cells could be potential reagents to promote antigen-specific tolerance in vivo. However, in vivo studies have been carried out mostly in rodents and will need validation in primates before clinical application. We characterized macaque dendritic cell derived either from bone marrow with and without prior CD34 cell selection (BMDC), or from CD14 peripheral blood mononuclear cells (Mo-DC). We demonstrate that with a semi-mature phenotype, BMDC are superior to Mo-DC in their capacity to expand freshly isolated allogeneic macaque CD4CD25CD127Foxp3Treg in vitro in the presence of interleukin-2. Moreover, the expanded Treg maintain their phenotype and suppressive activity. These data provide a step toward the use of macaque dendritic cell to expand Treg for future preclinical testing. © 2008 Lippincott Williams & Wilkins, Inc.

Bibliographic Details

Moreau, Aurélie; Chiffoleau, Elise; Beriou, Gaëlle; Deschamps, Jack-Yves; Heslan, Michèle; Ashton-Chess, Joanna; Rolling, Fabienne; Josien, Regis; Moullier, Philippe; Cuturi, Maria-Cristina; Alliot-Licht, Brigitte

Ovid Technologies (Wolters Kluwer Health)

Medicine

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