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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Effect of T helper 1 (Th1)/Th2 cytokine on chemokine-induced dendritic cell functions.

Effects of T helper 2 (Th2) and Th1 cytokines, interleukin (IL)-4, and interferon (IFN)-gamma, respectively, on chemokine-induced DC migration and endocytosis are not well understood. We investigated herein the effects of these cytokines on chemokine-induced functions of murine myeloid DCs. As expected, immature DCs markedly migrated to CCL3 but not CCL19, while mature DCs showed vigorous migration in response to CCL19 but not CCL3. Both IL-4 and IFN-gamma significantly decreased CCL3-induced migration of immature DCs. In contrast, these cytokines exerted no significant effects on CCL19-induced migration of mature DCs. Of note, both IL-4 and IFN-gamma markedly enhanced CCL3-induced endocytosis of immature DCs. The messenger RNA level of CCR5, a CCL3 receptor, in immature DCs was slightly increased by IL-4 or IFN-gamma treatment. These results demonstrate that these Th1/Th2 cytokines can act to either inhibit or enhance chemokine-mediated DC functions, and may play a role in increasing antigen uptake by immature DCs at inflammatory sites.[1]


  1. Effect of T helper 1 (Th1)/Th2 cytokine on chemokine-induced dendritic cell functions. Clingan, J.M., Yanagawa, Y., Iwabuchi, K., Onoé, K. Cell. Immunol. (2006) [Pubmed]
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