نتایج جستجو برای: alpha interferon ifn
تعداد نتایج: 273358 فیلتر نتایج به سال:
Human respiratory syncytial virus (HRSV) is the leading cause of serious pediatric acute respiratory tract infections, and a better understanding is needed of the host response to HRSV and its attenuated vaccine derivatives. It has been shown previously that HRSV nonstructural proteins 1 and 2 (NS1 and NS2) inhibit the induction of alpha/beta interferon (IFN-alpha/beta) in A549 cells and human ...
A role for alpha/beta interferon (IFN-alpha/beta) in the IFN-gamma antiviral response has long been suggested. Accordingly, possible roles for autocrine or double-stranded-RNA (dsRNA)-induced IFN-alpha/beta in the IFN-gamma response were investigated. Use was made of wild-type and a variety of mutant human fibrosarcoma cell lines, including mutant U5A cells, which lack a functional IFN-alpha/be...
A clinical trial using interferon alpha 2b (IFN alpha-2b) for prophylactic therapy was done on 44 patients who had received nephrectomy for renal cell carcinoma. Principally, the daily intramuscular injection of 3 of 6 million units of IFN alpha-2b was done for 4 consecutive weeks after 2 weeks postoperatively and thereafter followed by injection once every 2 weeks. The clinical evaluation was ...
Infection of CD4(+) chemokine coreceptor(+) targets by HIV is aided and abetted by the proficiency of HIV in eliminating or neutralizing host cell-derived defensive molecules. Among these innate protective molecules, a family of intracellular apolipoprotein B mRNA-editing enzyme, catalytic polypeptide-like (APOBEC) cytidine deaminases, is constitutively expressed but inactivated by HIV viral in...
BACKGROUND Interferon (IFN)-alpha is a pluripotent inflammatory cytokine typically induced by viral infections. In rupture-prone atherosclerotic plaques, plasmacytoid dendritic cells produce IFN-alpha. In the present study we explored the contribution of IFN-alpha to inflammation and tissue injury in the plaque microenvironment. METHODS AND RESULTS In 53% of carotid plaques (n=30), CD123+ pla...
In the present study, we investigated the effect of interferon-alpha (IFN-alpha) on the expression of interleukin-10 (IL-10) mRNA and protein synthesis in human monocytes and CD4+ T cells. In mononuclear cells, IFN-alpha induced expression of IL-10 mRNA and further enhanced lipopolysaccharide (LPS)-stimulated IL-10 expression. In purified monocytes, a strong expression of IL-10 mRNA induced by ...
Listeria monocytogenes is widely used as a model to study immune responses against intracellular bacteria. It has been shown that neutrophils and macrophages play an important role to restrict bacterial replication in the early phase of primary infection in mice, and that the cytokines interferon-gamma (IFN-gamma) and tumor necrosis factor-alpha (TNF-alpha) are essential for protection. However...
Immunotherapy, consisting mainly of interferon (IFN) therapy, has been used to treat renal cell carcinoma refractory to radiotherapy and chemotherapy ever since IFN was reported to be effective against renal cell carcinoma in 1982. The efficacy of IFN is low, with the response rate being only about 20% and the method and duration of its administration have yet to be established. Using viable tu...
The diverse roles of interferon-alpha (IFN-alpha) in regulating the immune response to infectious agents suggested that it might affect dendritic cell (DC) development. Peripheral blood mononuclear cells cultured with IFN-alpha and granulocyte-macrophage colony-stimulating factor (GM-CSF) developed a dendritic morphology and expressed high levels of the class I and II human leukocyte antigens (...
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