نتایج جستجو برای: adoptive response
تعداد نتایج: 983135 فیلتر نتایج به سال:
CD27 interactions with its ligand, CD70, are thought to be necessary for optimal primary and memory adaptive immune responses to a variety of pathogens. Thus far, all studies addressing the function of the CD27-CD70 axis have been performed in mice lacking CD27, in those overexpressing CD70, or in those in which these molecules were blocked or mimicked by Abs or recombinant soluble CD70. Becaus...
IL-10 reduces immunopathology in many persistent infections, yet the contribution of IL-10 from distinct cellular sources remains poorly defined. We generated IL-10/recombination-activating gene (RAG)2-deficient mice and dissected the role of T cell- and non-T cell-derived IL-10 in schistosomiasis by performing adoptive transfers. In this study, we show that IL-10 is generated by both the innat...
Experimental autoimmune encephalomyelitis (EAE) is mediated by Th1 and Th17 cells. Invariant NKT (iNKT) cells prevent EAE in an IL-4-, IL-10-, and IFN-γ-dependent manner. However, which of the iNKT cell-produced cytokines regulates the Th1 or Th17 response in EAE remains unclear. Wild-type B6 and Jα18(-/-) mice were immunized with MOG(35-55) peptide to address this issue. Clinical scores for EA...
Toll-like receptor 9 activation is a key mechanism for the maintenance of chronic lung inflammation.
RATIONALE Accumulating evidence supports the hypothesis that the continuous host response to a persistent challenge can polarize the cytokine environment toward a Th2 cytokine phenotype, but the mechanisms responsible for this skewing are not clear. OBJECTIVES We investigated the role of Toll-like receptor 9 (TLR9) in a Th2-driven pulmonary granulomatous response initiated via the embolizatio...
In sepsis, both necrotic and apoptotic cell death can occur. Apoptotic cells induce anergy that could impair the host response, whereas necrotic cells cause immune activation that might result in enhanced antimicrobial defenses. We determined whether adoptive transfer of apoptotic or necrotic cells impacted survival in a clinically relevant sepsis model. We also evaluated the effects of adoptiv...
Interferon-gamma (IFNgamma) is important in regulating the adaptive immune response, and most current evidence suggests that it exerts a negative (proapoptotic) effect on CD8(+) T cell responses. We have developed a novel technique of dual adoptive transfer, which allowed us to precisely compare, in normal mice, the in vivo antiviral responses of two T cell populations that differ only in their...
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