نتایج جستجو برای: alpha interferon ifn
تعداد نتایج: 273358 فیلتر نتایج به سال:
We used bacteria-derived bovine alpha-interferon I1 (Bo IFN-alpha I1) to study its antiviral effect in a bovine turbinate cell line on bovine diarrhea virus, infectious bovine rhinotracheitis virus, parainfluenza 3 virus, and pseudorabies virus. We based our study upon replicate tests for each strain by using a block titration system with various concentrations of Bo IFN-alpha I1 against variou...
Low-dose interferon-alpha (IFN-alpha) therapy is consistently effective in the treatment of hairy cell leukemia (HCL). In two cases of resistance to IFN-alpha administration, we diagnosed variant HCL, a form of HCL with intermediate features between typical HCL and B cell prolymphocytic leukemia. We tried to distinguish variant and typical hairy cells (HCs) by Northern blot analysis of the onco...
Interferon alpha (IFN-alpha) therapy is associated with a number of immunological side-effects, including autoimmune diseases and a 10% prevalence of thyroiditis. Hepatitis C virus (HCV) infection itself predisposes to autoimmune phenomena including hypothyroidism and myositis. The development of clinical hypothyroidism in the presence of positive thyroid antibodies in patients infected with HC...
Introduction:To evaluate the role of allergic-type and infectious-type cytokines in children with chronic otitis media with effusion (OME) Materials and Methods:We investigated serum levels of interleukins (IL)-4, IL-5, and IL-13, along with interferon-gamma (IFN-γ) and tumor necrosis factor-alpha (TNF-α), by enzyme-linked immunosorbent assay (ELISA) in 35 children with OME and 28 healthy contr...
BACKGROUND Regulation of gene expression by signal transducer and activator of transcription 1 (STAT1) within host tissues mediates the antitumor effects of interferon alfa (IFN alpha). We used a novel flow cytometric assay to examine phosphorylation-mediated activation of STAT1 within immune effector cell subsets following in vitro or in vivo IFN alpha treatments. METHODS Peripheral blood mo...
Recombinant human interferon-alpha (IFN-alpha) can induce a hematologic remission in patients with chronic myeloid leukemia. However, some patients are resistant and others develop late resistance to the IFN-alpha treatment. To understand the molecular mechanism of this resistance, we have analyzed the expression of 10 IFN-inducible genes in the cells of three resistant patients, two responsive...
We have proposed a unifying hypothesis of the etiopathogenesis of autoimmunity that defines autoimmunity as a type I interferon (IFN) immunodeficiency syndrome. We have examined toxicity and potential efficacy in two phase I (type 1 diabetes [T1D], multiple sclerosis [MS]) and phase II clinical trials in T1D and MS. In a phase I open label trial in T1D, ingested IFN-alpha preserved residual bet...
Stat1 (signal transducer and activator of transcription 1) regulates transcription in response to the type I interferons IFN-alpha and IFN-beta, either in its dimerized form or as a subunit of the interferon-stimulated gene factor 3 (Isgf3) complex (consisting of Stat1, Stat2 and interferon-regulating factor 9). Full-length Stat1-alpha and the splice variant Stat1-beta, which lacks the carboxyl...
A human cosmid library was constructed and probed with a human alpha interferon (IFN-alpha) cDNA clone. One clone giving a strong hybridizing signal was isolated and characterized. The cosmid DNA insert represents a section of the human genome containing three regions of IFN-alpha-like sequences. The DNA was characterized with restriction endonuclease mapping, thereby allowing comparison to sim...
Gene delivery of IFN-alpha to the liver may represent an interesting strategy to maximize its antiviral efficacy and reduce side effects. We used a recombinant adeno-associated virus (AAV) encoding woodchuck IFN-alpha (AAV-IFN) to treat animals with chronic woodchuck hepatitis virus infection. The vector was given by intraportal or intramuscular route. Long-term transgene expression was detecte...
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