期刊
CLINICAL IMMUNOLOGY
卷 142, 期 3, 页码 332-342出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.clim.2011.11.011
关键词
Suppression; Regulatory T cells; cGMP; Migration; Stability; Tolerance induction
类别
资金
- Sanquin PPOC [PPOC06-026]
Tolerogenic dendritic cells (tDC) are a promising tool for specific cellular therapy to induce immunological tolerance in transplantation and autoimmunity. To date, most described tDC methods have not been converted into clinically applicable protocols and systematic comparison of required functional characteristics, i.e. migration and functional regulatory T cell (Treg) induction, is lacking. We compare clinical-grade tDC generated with vitamin D-3, IL-10, dexamethasone, TGF beta, or rapamycin. For good migratory capacity and a stable phenotype, additional maturation of tDC was required. Maturation with a cocktail of TNF alpha, IL-1 beta and PGE(2) induced optimal migration. Importantly, all tDC showed a stable phenotype under proinflammatory conditions. Especially IL-10 DC showed most powerful tolerogenic characteristics with high IL-10 production and low T cell activation. Moreover, in a functional suppression assay only IL-10 DC induced Treg that strongly suppressed T cell reactivity. Thus, clinical-grade IL-10 DC show functional characteristics that make them best suited for tolerance-inducing therapies. (C) 2011 Elsevier Inc. All rights reserved.
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