نتایج جستجو برای: il 21
تعداد نتایج: 382409 فیلتر نتایج به سال:
Interleukin (IL)-21 triggers inflammatory signals that contribute to the growth of neoplastic cells in mouse models of colitis-associated colorectal cancer (CRC). Because most CRCs are sporadic and arise in the absence of overt inflammation we have investigated the role of IL-21 in these tumors in mouse and man. IL-21 was highly expressed in human sporadic CRC and produced mostly by IFN-γ-expre...
Cytokines that use the common receptor gamma-chain for regulating CD8(+) T cell responses to Ag include IL-2, IL-15, and the recently identified IL-21. The ability of these cytokines to regulate antitumor activity in mice has generated considerable interest in understanding their mode of action. In this study we compare the abilities of IL-2, IL-15, and IL-21 to stimulate immunity against tumor...
Both physiological and psychological stress cause thymic atrophy via glucocorticoïd (GC)-dependent apoptosis of double-positive (DP) thymocytes. Given the pervasiveness of stress, GC-induced thymic atrophy is arguably the most common type of acquired immunodeficiency. We recently reported that interleukin-21 (IL-21) has a unique ability to expand the small subset of DP thymocytes (CD69(+)) whic...
IL-21 is a member of the type I cytokine family related most closely to IL-2 and IL-15. IL-21 is a pleiotropic cytokine, produced by T, NKT, and dendritic cells, which modulates lymphoid and myeloid cell functions. Besides its activities on normal lymphoid cells, it has been shown that IL-21 is a growth factor for myeloma cells. In the present study, we demonstrate that IL-21 generated myeloma ...
INTRODUCTION Interleukin (IL)-21 is a key cytokine in autoimmune diseases such as systemic lupus erythematosus (SLE) by its regulation of autoantibody production and inflammatory responses. The objective of this study is to investigate the signaling capacity of IL-21 in T and B cells and assess its possible regulation by microRNA (miR)-155 and its target gene suppressor of cytokine signaling 1 ...
IL-21 regulates Th17 cell homeostasis, enhances the differentiation of memory B cells and antibody-secreting plasma cells, and promotes the maintenance of CD8(+) T-cell responses. In this study, we investigated the phenotype, function, and frequency of blood and intestinal IL-21-producing cells in nonhuman primates that are hosts of progressive (rhesus macaques [RMs]) and nonprogressive (sooty ...
Nanoparticles can be loaded with exogenous DNA for the potential expression of cytokines with immune-stimulatory function. NKG2D identifies major histocompatibility complex class I chain-related protein in human and retinoic acid early induced transcript-1 in mouse, which acts as tumor-associated antigens. Biologic agents based on interleukin 21 (IL-21) have displayed antitumor activities throu...
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