Abstract:
:An emerging role is postulated for IL-17-producing thymocytes, which in their majority consist of IL-17-producing CD4(+) cells. For these, a specific role in the immediate defense against infectious pathogens is suggested, independent from the development of an adaptive immune response in the immune periphery. Immune response modifiers, like the TLR7 ligands Imiquimod and Gardiquimod™ are effective pharmacological therapeutics applied topically against dermal tumors and virus infections and have been demonstrated to activate immune cells. In this study, we investigated the effect of Imiquimod and Gardiquimod™ on murine thymocyte cytokine production with a particular focus on IL-17. We find that both substances dose-dependently are able to trigger IFN-γ and IL-6 production, but no IL-17 production. Moreover, a strong co-stimulating effect is detected on α-CD3-induced IFN-γ, IL-6 and IL-17 production. We conclude that Imiquimod and Gardiquimod™ are not only modifiers of the adaptive immune response, but might also have additional therapeutic potential by modifying the immune activity in the thymus.
journal_name
Int Immunopharmacoljournal_title
International immunopharmacologyauthors
Weber A,Zimmermann C,Mausberg AK,Kieseier BC,Hartung HP,Hofstetter HHdoi
10.1016/j.intimp.2013.06.023subject
Has Abstractpub_date
2013-10-01 00:00:00pages
427-31issue
2eissn
1567-5769issn
1878-1705pii
S1567-5769(13)00264-6journal_volume
17pub_type
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