نتایج جستجو برای: oxazolone induced colitis
تعداد نتایج: 1004569 فیلتر نتایج به سال:
Carcinoembryonic antigen-related cellular adhesion molecule 1 (CEACAM1) is a cell surface molecule that has been proposed to negatively regulate T cell function. We have shown that CEACAM1 is associated with specific regulation of T helper cell (Th)1 pathways, T-bet-mediated Th1 cytokine signaling, and Th1-mediated immunopathology in vivo. Mice treated with anti-mouse CEACAM1-specific monoclona...
Impaired immunoregulation and development of autoimmune response to antigens own intestinal microbiota inflammation-altered colonic cells represent the key links in pathogenesis inflammatory bowel diseases. Multimodal biological effects ozone presunme usage local systemic therapy complex treatment many diseases gastrointestinal tract. The aim our work was study intraperitoneal rectal upon immun...
A number of experimental models of colitis have been proposed. However, few studies have presented T helper-2 (Th-2) type colitis models that substitute for human ulcerative colitis (UC). In recent years, the murine oxazolone (OXA)-induced colitis model came to be accepted as a Th-2 type model, but it has yet to be used in any pharmacological study. In the present study, we modified the OXA-ind...
During a screening program to search the anticolitic herbal medicines, 80% ethanol extract of the rhizome of Anemarrhena asphodeloides (AA) was found to potently inhibit the expression of proinflammatory cytokines TNF-α and IL-1β, as well as the activation of NF-κB in LPS-stimulated colonic macrophages, followed by that of the rhizome of C. chinensis (CC). AA also potently inhibited TNBS-induce...
BACKGROUND Carrageenan is a traditional ingredient that has been widely used in the food industry. In the present study, we propose a hypothesis that carrageenan is a conditional inflammatory agent. When the intestinal tract is in an "unhealthy" state such as that during bacterial infection or acute inflammation, carrageenan can synergistically enhance the inflammatory response. METHODS BALB/...
Ulcerative colitis (UC) is a dynamic, idiopathic, chronic inflammatory condition associated with a high colon cancer risk. American ginseng has antioxidant properties and targets many of the players in inflammation. The aim of this study was to test whether American ginseng extract prevents and treats colitis. Colitis in mice was induced by the presence of 1% dextran sulfate sodium (DSS) in the...
The proinflammatory cytokine IL-6 seems to have an important role in the intestinal inflammation that characterizes inflammatory bowel diseases (IBDs) such as Crohn disease and ulcerative colitis. However, little is known about the molecular mechanisms regulating IL-6 production in IBD. Here, we assessed the role of the transcriptional regulator IFN regulatory factor-4 (IRF4) in this process. P...
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