نتایج جستجو برای: ifn
تعداد نتایج: 36626 فیلتر نتایج به سال:
Introduction: IFN-γ is one of the most important cytokines in the development of chronic inflammatory diseases such as asthma and COPD. The IFN-γ promoter methylation at CpG islands could be altered by various chemical and toxic substances which may have a role in the incidence of chronic pulmonary diseases and its severity. Thereby, the present study was aimed to evaluate the effect of sulfur ...
زمینه و اهداف: مقاومت یا ایمنی سلولی در برابر عفونت توبرکولوز، بستگی به عملکرد لمفوسیت های t، که فعال کننده ماکروفاژهای از بین برنده مایکوباکتریوم های داخل سلولی اند، دارد. لمفوسیت های t از طریق ترشح شبکه ای از فاکتورهای محلول سایتوکاین ها، مسوول این روابط سلولی اند و طی سه دهه اخیر به طور گسترده مورد مطالعه قرار گرفته اند. اولین رخداد عفونت در میزبان با یک پاتوژن، پاسخ ایمنی ذاتی است که شامل ع...
objective: the effect of interleukin (il)-29, a new therapeutic agent similar to type i interferons (ifns), on ifn-α secretion of human plasmacytoid dendritic cells (pdcs) has not been studied. therefore, in this study, we aimed to clarify the effect of il-29 on ifn-α secretion of pdcs using human peripheral blood mononuclear cells (pbmcs) in the presence of cytosine-phosphate-guanosinemotif-co...
objectives the main goal of the treatment of the hepatitis c virus (hcv) infection is reduction and elimination of viruses as well as achieving high sustained viral response (svr). the present study aimed to assess response to treatment of hcv infection by focusing on virological and biochemical aspects. methods this study was performed in hamadan, iran on hcv infected patients who were referre...
زمینه و هدف: سایتوکین ها از جمله عوامل مربوط به سیستم ایمنی می باشند که اثر آن ها بر ایجاد دیابت به اثبات رسیده است. میزان بیان سایتوکین ها مانند ifn-y در افراد و جوامع مختلف، متفاوت می باشد. با توجه به این که نفروپاتی ایجاد شده در طی دیابت نوعی بیماری التهابی بوده و از طرفی نقش سایتوکین ifn-y در ایجاد التهاب به خوبی شناخته شده است، هدف از انجام مطالعه حاضر، تعیین میزان سطح سرمی سایتوکین ifn-y ...
Background & Aim: The immune system is quite capable to combat tumors and many immunological parameters including cytokines such as IL-12 & IFN-γ play major roles in this regard. IL-12 is also the major cytokine responsible for the differentiation of TH1 cells, which are potent producers of IFN-γ, IFN-γ in turn has a powerful enhancing effect on the ability of phagocytes to produce IL-12 as...
Abstract Plasmacytoid dendritic cells (pDCs) chronically produce type I interferon (IFN-I) in autoimmune diseases, including systemic sclerosis (SSc) and lupus erythematosus (SLE). We report that the IRE1α-XBP1 branch of unfolded protein response (UPR) inhibits IFN-α production by TLR7- or TLR9-activated pDCs. In SSc patients, UPR gene expression was reduced pDCs, which inversely correlated wit...
background: this study was performed to compare the effects of low dose interferon beta-1 (ifn-β-1) (cinnovex, 30 mcg) and high dose ifn-β-1 (rebif, 44 mcg) on the reduction of the number and size of plaques in magnetic resonance imaging (mri) in patients with multiple sclerosis (ms). methods: this historical cohort study, which was performed in 2014 in sanandaj (western part of iran). 43 ms pa...
Interferon gamma (IFN-γ) is one of the key cytokines in defining T helper 1 lymphocyte immuneresponses. In this study, the bovine IFN-γ gene was cloned from spleen tissue RNA using the reversetranscription-polymerase chain reaction (RT-PCR). IFN-γ cDNA was sub-cloned and expressed inmammalian expression plasmid (pcDNA3.1(+)) under the control of the human cytomegalovirus (CMV)promoter. The pred...
Abstract Background and objectives: Dendritic Cells are the most important of antigen presenting cells with an effective role in immune tolerance. This study, aims to clarify the role of IFN- β in induction on dendritic cells derived by monocyte in diabetes type1 to evaluate the T cells response to beta cell specific antigenic molecule. Material and Methods: In this research, peripheral bl...
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