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CD40L Stimulation of Rat Dendritic Cells Specifically Favors the IL-12/IL-10 Ratio Resulting in a Strong T Cell Stimulatory Capacity

CD40L Stimulation of Rat Dendritic Cells Specifically Favors the IL-12/IL-10 Ratio Resulting in a Strong T Cell Stimulatory Capacity

Annelein M Stax, Cynthia Crul, Sylvia W A Kamerling, Nicole Schlagwein, Reinier N van der Geest, Andrea M Woltman, Cees van Kooten

Mol Immunol. 2008 May;45(9):2641-50.

PMID: 18262271

Abstract:

Dendritic cells (DC) play an important role in immune responses and have been studied extensively in human and mouse models. CD40 triggering of DC has a pivotal role in their maturation process, obtaining the unique capacity to induce strong CD4 and CD8 T cell activation. Although rat models are frequently used for the understanding of the underlying mechanism of human diseases, relatively little is known about rat DC. To investigate the effect of CD40 triggering on rat DC, we cloned the rat CD40L gene and generated murine fibroblasts with stable expression (L-rCD40L). DC stimulated by L-rCD40L cells exhibited a strong T cell stimulatory capacity, associated with higher amounts of IFN-gamma as compared to LPS-stimulated DC. Analysis of cytokine production showed that LPS induced both IL-12 and IL-10 production, whereas CD40L induced high amounts of IL-12, but little IL-10 production by rat DC. This implies that the difference found in T cell stimulatory capacity by the stimulated DC is due to the cytokine profile of the DC at the time of T cell activation.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
IAR42413343	IL-12 from rat			Price

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