نتایج جستجو برای: anti tnf alpha
تعداد نتایج: 577710 فیلتر نتایج به سال:
Background and Aims: Mucosal-associated invariant T (MAIT) cells are striking lymphocyte population in the blood and their importance in immune responses is growing fast. The current study was conducted to evaluate leptin hormone effects on MAIT cell functions. Materials and Methods: Five healthy male donors in ages of 22-30 years were selected and peripheral blood mononuclear cells (PBMCs) ...
With the aim to increase anti-tumor effectiveness of electrochemotherapy, adjuvant immunotherapy with tumor necrosis factor-alpha (TNF-alpha) was tested on tumors in mice. Increased anti-tumor effectiveness on SA-1 tumors was observed after combining TNF-alpha, injected either intratumorally or peritumorally, with electrochemotherapy using suboptimal dose of bleomycin (BLM). The increased anti-...
Tumor necrosis factor alpha (TNF-alpha) is a macrophage/monocyte-derived polypeptide which modulates the expression of various genes in vascular endothelial cells and induces angiogenesis. However, the underlying mechanism by which TNF-alpha mediates angiogenesis is not completely understood. In this study, we assessed whether TNF-alpha-induced angiogenesis is mediated through TNF-alpha itself ...
We have shown that in vitro infection herpesvirus saimiri (HVS) can transform human CD4+ T cell clones with defined Th1 or Th2 cytokine profiles to continuous growth. We report here that transformation with HVS enabled both Th1 and Th2 clones to stimulate proliferation and Ig production by autologous or allogeneic B cells in the absence of stimulants. The polyclonal B cell-activating property o...
Accelerated programmed cell death or apoptosis appears to play an important role in the pathogenesis of myelodysplasia. As overexpression of TNF-alpha has been described to induce cell death in myelodysplasia, treatment with anti-TNF-alpha is currently being explored. Caution is needed because of an increased risk of opportunistic infection during anti-TNF-alpha treatment. We here describe a pa...
BACKGROUND AND AIMS Cerebrovascular accidents [CVA] have rarely been reported in inflammatory bowel disease [IBD] patients treated with anti-tumour necrosis alpha [anti-TNF alpha] agents. Our aim here was to describe the clinical course of CVA in these patients. METHODS This was a European Crohn's and Colitis Organisation [ECCO] retrospective observational study, performed as part of the CONF...
Anti-tumor-necrosis-factor-alpha (TNF-alpha) monoclonal antibody was used to treat Tg197 transgenic mice, which constitutively produce human TNF-alpha (hTNF-alpha) and develop a progressive polyarthritic disease. Treatment of both young (7- or 8-week-old) and aged (27- or 28-week-old) mice commenced when at least two limbs showed signs of moderate to severe arthritis. The therapeutic efficacy o...
AIM To determine whether Lactobacillus plantarum can modify the deleterious effects of tumor necrosis factor-alpha (TNF-alpha) on intestinal epithelial cells. METHODS Caco-2 cells were incubated with TNF-alpha alone or in the presence of L. plantarum. Transepithelial electrical resistance was used to measure epithelial barrier function. Interleukin 8 (IL-8) secretion by intestinal epithelial ...
Transmembrane TNF-alpha, a precursor of the soluble form of TNF-alpha, is expressed on activated macrophages and lymphocytes as well as other cell types. After processing by TNF-alpha-converting enzyme (TACE), the soluble form of TNF-alpha is cleaved from transmembrane TNF-alpha and mediates its biological activities through binding to Types 1 and 2 TNF receptors (TNF-R1 and -R2) of remote tiss...
We investigated mechanisms that increase motility and transendothelial trafficking of activated lymphocytes. Freshly isolated lymphocytes stimulated with immobilized anti-CD3 for 2 h migrate into polymerized collagen in 1.99+/-0.25-fold greater numbers and across confluent endothelial monolayers in 4.8+/-0.5-fold greater numbers compared with leukocytes incubated with non-specific IgG. Activate...
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