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تعداد نتایج: 16061 فیلتر نتایج به سال:
Many observations bear upon the cellular and molecular requirements for CD4 T cell activation. The interaction of CD4 T cells with dendritic cells (DC), central to the induction of most immune responses, is the most studied. However, leukocytes other than DC can dramatically affect the induction and differentiation of CD4 T cells into effector cells. We recently provided indirect evidence that ...
Allergic bronchopulmonary aspergillosis (ABPA) is caused by a dominant Th2 immune response to antigens derived from the opportunistic mold Aspergillus, most commonly Aspergillus fumigatus. It occurs in 4%-15% of patients with cystic fibrosis (CF); however, not all patients with CF infected with A. fumigatus develop ABPA. Therefore, we compared cohorts of A. fumigatus-colonized CF patients with ...
BACKGROUND Fungi may be involved in asthma and chronic rhinosinusitis (CRS). Peripheral blood mononuclear cells from CRS patients produce interleukin (IL)-5, IL-13 and interferon (IFN)-γ in the presence of Alternaria. In addition, Alternaria produces potent Th2-like adjuvant effects in the airway. Therefore, we hypothesized that Alternaria may inhibit Th1-type defense mechanisms against virus i...
BACKGROUND Allergic rhinitis (AR) affects up to 80% of children with asthma and increases asthma severity. Thymic stromal lymphopoietin (TSLP) is a key mediator of allergic inflammation. The role of the TSLP gene (TSLP) in the pathogenesis of AR has not been studied. OBJECTIVE To test for associations between variants in TSLP, TSLP-related genes, and AR in children with asthma. METHODS We g...
Critical contribution of CD80 and CD86 to induction of anterior chamber-associated immune deviation.
Intraocular inoculation of antigens induces anterior chamber-associated immune deviation (ACAID), which is mediated by development of regulatory T cells in response to antigen-presenting cells (APC) pre-conditioned by intraocular transforming growth factor-beta (TGF-beta). In this study, we examined the involvement of T-cell co-stimulatory molecules in this process. To mimic the intraocular APC...
Background Oncolytic viruses are promising alternative cancer therapies that can cause anti-cancer immunity. We found Delta-24-RGD, an oncolytic adenovirus currently undergoing Phase I clinical trial in patients with recurrent glioblastomas, induced anti-glioma immunity in an immunpcompetent mouse model. We hypothesized that the anti-cancer immunity mediated by the virus could be augmented thro...
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