نتایج جستجو برای: interleukin 23
تعداد نتایج: 280903 فیلتر نتایج به سال:
IL-23 enhances host defense against vaccinia virus infection via a mechanism partly involving IL-17.
To investigate roles of IL-23 in viral infection, we have engineered recombinant vaccinia virus (VV) expressing IL-12 (VV-IL-12) and expressing IL-23 (VV-IL-23). We found VV-IL-23 was less virulent in BALB/c mice than wild-type VV (VV-WT), indicating that IL-23 enhances resistance to VV. VV-specific CTL activity in VV-IL-23-infected mice was slightly higher than activity in VV-WT-inoculated mic...
Interleukin-23 (IL-23) is required for inflammatory Th17 cell function in experimental autoimmune encephalomyelitis (EAE), and IL-23 blockade reduces the number of effector Th17 cells in the CNS. We report that pro-inflammatory Th17 cells express high integrin β3 that is IL-23 dependent. Integrin β3 was not upregulated on all activated T cells; rather, integrin β3 was upregulated along with its...
The CD40-CD154 pathway is important in the pathogenesis of inflammatory bowel disease. Here we show that injection of an agonistic CD40 mAb to T and B cell-deficient mice was sufficient to induce a pathogenic systemic and intestinal innate inflammatory response that was functionally dependent on tumor necrosis factor-alpha and interferon-gamma as well as interleukin-12 p40 and interleukin-23 p4...
A proinflammatory cytokine, interleukin 23 (IL-23), plays a role in tumor progression by inducing inflammation in the tumor microenvironment, although there is debate about its role in carcinogenesis. Direct effects of IL-23 on tumor cells have been reported rarely, and contradictory effects have been observed. Here, we studied such effects of IL-23 in lung cancer cells in vitro and in vivo and...
The treatment of psoriasis is changing, thanks to a growing understanding that it is a disease of systemic inflammation.1,2 In this regard, drug candidates targeting the interleukin-23 (IL-23) and type-17 helper (IL-23/Th17) T-cell pathway appear particularly promising, offering high rates of clearance or near-clearance of psoriatic lesions.3–5 Along with their role in treating psoriasis, ustek...
TH17 is a lymphocyte subset, which is characterized by its polarization to secrete interleukin (IL)-17. IL-23 is the pivotal mediator responsible for TH17 differentiation and the IL-23/IL-17 axis has been strongly implicated in the pathogenesis of several immune mediated diseases, in particular chronic arthritis and skin psoriasis. This review will summarize the basic immunology and the new mon...
DNA samples from 339 Crohn's disease (CD) and 407 randomly selected controls from the Auckland (New Zealand) IBD project, were genotyped for five common single nucleotide polymorphisms in IL-23R (rs11805303, rs7517847, rs1343151, rs11209026, and rs10889677) and two in IL-12B (rs1363670 and rs6887695). While the IL-12B variants did not show an overall association and other IL23R variants led to ...
BACKGROUND There is evidence that immunological factors may involved in pathogenetic mechanisms of amyotrophic lateral sclerosis (ALS). Th17 cells are characterized by predominant production of IL-17 and are suggested to be crucial in destructive autoimmunity. Interleukin-23 (IL-23) appears to play a supporting role in the continued stimulation and survival of Th17. PATIENTS AND METHODS We me...
BACKGROUND Pemphigus vulgaris, a chronic mucocutaneous disease, is the most prevalent type of pemphigus which manifests with development of bullae and erosions on skin and mucosal membranes. OBJECTIVES To investigate the potential role of IL-23 in pemphigus vulgaris. METHODS In this study, 30 patients with pemphigus vulgaris and 30 healthy individuals were selected according to inclusion an...
IL-23 is a recently discovered heterodimeric cytokine that shares biological properties with proinflammatory cytokines. The biologically active heterodimer consists of p19 and the p40 subunit of IL-12. IL-23 has been shown to possess biological activities on T cells that are similar as well distinct from those of IL-12. We have constructed single-chain IL-23 and IL-12 fusion proteins (IL-23-Ig ...
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