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Development and Functional Characterization of Murine Tolerogenic Dendritic Cells
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Development and Functional Characterization of Murine Tolerogenic Dendritic Cells

Published on: May 18, 2018

Tumor necrosis factor-alpha- and IL-4-independent development of Langerhans cell-like dendritic cells from

Jean-Baptiste Barbaroux1, Wing-Hong Kwan, Jean-Pierre Allam

  • 1INSERM U255, IFR58, Centre de Recherches Biomédicales des Cordeliers, Université Pierre et Marie Curie (Paris 6) et René Descartes (Paris 5), Paris, France.

The Journal of Investigative Dermatology
|January 19, 2006
PubMed

GM-CSF and transforming growth factor beta (TGFbeta ) are required for the generation of Langerhans cells (LC), members of the dendritic cell (DC) family. Tumor necrosis factor alpha (TNFalpha) and IL-4 can enhance LC differentiation from human monocytes or CD34(+) progenitors. Here, we show that M-CSF-cultured DC precursors derived from CD34(+) progenitors resemble dermal CD14(+) cells and readily convert to LC-like DC in GM-CSF/TGFbeta. The cells express Langerin, CD1a, and CCR6, migrate in response to CCR6 ligand CCL20, and contain Birbeck granules. TNFalpha and IL-4, added separately or together, have an inhibitory effect on LC differentiation. Cells differentiated in the presence of IL-4 and TNFalpha express low levels of CCR7. This suggests that M-CSF-conditioned DC precursors retain the capacity to efficiently undergo a differentiation program, giving rise to LC-like DC solely through the effect of GM-CSF and TGFbeta.

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