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Cyclosporin A inhibits dendritic cell maturation promoted by TNF‐α or LPS but not by double‐stranded RNA or CD40L
Author(s) -
Duperrier K.,
Farre A.,
Bienvenu J.,
Bleyzac N.,
Bernaud J.,
Gebuhrer L.,
Rigal D.,
Eljaafari A.
Publication year - 2002
Publication title -
journal of leukocyte biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.819
H-Index - 191
eISSN - 1938-3673
pISSN - 0741-5400
DOI - 10.1189/jlb.72.5.953
Subject(s) - biology , cd14 , tumor necrosis factor alpha , cd40 , dendritic cell , microbiology and biotechnology , immunology , antigen , immune system , biochemistry , in vitro , cytotoxic t cell
Here, we investigated the influence of cyclosporin A (CsA) on dendritic cell (DC) generation. With this aim, human DC were propagated from monocytes in serum‐free medium with granulocyte macrophage‐colony stimulating factor and interleukin‐4. DC were then exposed to tumor necrosis factor α (TNF‐α) for maturation. Our results show that CsA does not impair commitment of monocytes into DC, as assessed by loss of CD14 and increase of CD40 and CD1a. However, TNF‐α‐induced DC maturation was affected, as CsA‐treated DC expressed lower levels of human leukocyte antigen and costimulatory molecules but sustained levels of CD1a, and less DC expressed DC‐lysosomal‐associated‐membrane‐protein (LAMP) and CD83. Accordingly, CsA inhibited the allostimulatory and accessory cell functions of DC. Surprisingly, when other maturation stimuli were used, we observed that CsA significantly inhibited maturation induced by lipopolysaccharides but not by polyribocytidylic acid or CD40 ligand, as assessed by DC phenotype and functions. Therefore, our results indicate that CsA may differentially affect DC maturation.