نتایج جستجو برای: il 21
تعداد نتایج: 382409 فیلتر نتایج به سال:
Background Expansion of antigen-specific T cells, from peripheral blood specific for tumor-associated antigens (TAAs) is a prerequisite for the advanced cellular therapy. Such antigen-specific T cells should express a Th1-functional phenotype and are able to enter tumor-tissue. We identified a cytokine cocktail, comprised of IL-2, IL-15 and IL-21 that drives antigen-specific T cells from periph...
Background and Objectives: Pulmonary complications are one of the most important long-term sulfur mustard (SM) exposure that chemical victims are suffering for years. IL-21 is one of the important cytokines contributing in chronic pulmonary inflammatory diseases. In this study, the serum and sputum levels of IL-21 and their correlations with pulmonary complications was evaluated 27 years after ...
IL-21 is a type I cytokine that shares the common receptor gamma-chain with IL-2, IL-4, IL-7, IL-9, and IL-15. B cells are one of the lymphoid cell types whose development and function are regulated by IL-21. Depending on the interplay with costimulatory signals and on the developmental stage of a B cell, IL-21 can induce proliferation, differentiation into Ig-producing plasma cells, or apoptos...
Interleukin (IL) -21 is produced by Natural Killer T (NKT) cells and CD4(+) T cells and is produced in response to virus infections, where IL-21 has been shown to be essential in adaptive immune responses. Cells from the innate immune system such as Natural Killer (NK) cells and macrophages are also important in immune protection against virus. These cells express the IL-21 receptor (IL-21R) an...
Emphysema is a T-cell mediated autoimmune disease caused predominantly by cigarette smoking. Th17 cells and related cytokines may contribute to this disorder. However, the possible implication of Th17 cells in regulating inflammatory response in emphysema remains to be elucidated. In the current study, we tested the protein levels of IL-17 and IL-21 in peripheral blood and lung tissues from cig...
IL-21 costimulates B cell proliferation and cooperatively with IL-4 promotes T cell-dependent Ab responses. Somewhat paradoxically, IL-21 also induces apoptosis of B cells. The present study was undertaken to more precisely define the expression of the IL-21R, using a novel mAb, and the circumstances by which IL-21 promotes B cell growth vs death. The IL-21R was first detected during T and B ce...
Microsporidia, a latent opportunistic infection associated with mild inflammation, is characterized by a strong CD8 T cell response, which has been shown to be CD4 T cell dependent. In this manuscript, we demonstrate that CD4 help is provided via IL-21 production, a common γ-chain cytokine closely related to IL-2. The peak of IL-21 expression, observed during the acute infection, is associated ...
Interleukin-21 (IL-21), a member of the IL-2 cytokine family, has diverse regulatory effects on natural killer (NK), T, and B cells. In contrast to other cytokines that are usually immunostimulatory, IL-21 can induce apoptosis of murine B cells at specific activation-differentiation stages. This effect may be used for treatment of B-cell malignancies. Herein we report that diffuse large B-cell ...
INTRODUCTION Systemic lupus erythematosus (SLE) is an autoimmune disease accompanied by a disturbed T-cell balance skewed towards effector T-cells, in particular Th17-cells. The novel cytokine interleukin-21 (IL-21) is suggested to be crucial for triggering T-cell responses towards IL-17 producing cells. Thus, we aimed to investigate the ability of T-cells to produce IL-21 and IL-17 in SLE pati...
CD8(+) T cells are fundamental for immune-mediated clearance of viral infections and contribute to immune pathology in autoimmune diseases such as type 1 diabetes. To execute these functions, CD8(+) T cells must differentiate into CTLs, a process that is precisely regulated by a variety of cytokines, costimulatory molecules, and transcription factors. IL-21 is an IL-2 family cytokine and a grow...
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