نتایج جستجو برای: gamma interferon
تعداد نتایج: 163486 فیلتر نتایج به سال:
Substantial increases in the concentrations of the excitotoxin and N-methyl-D-aspartate-receptor agonist quinolinic acid (QUIN) occur in human patients and non-human primates with inflammatory diseases. Such increases were postulated to be secondary to induction of indoleamine 2,3-dioxygenase in inflammatory cells, particularly macrophages, by interferon-gamma. To test this hypothesis, human pe...
experimental allergic encephalomyelitis (eae) is considered as the murine model of multiple sclerosis. daidzein a phytostrogenic compound of soy is known to impose immunomodulatory and antioxidative effects. we conducted this study to assess the potential protective and therapeutic effects of daidzein on allergic encephalomyelitis. c57bl/6 mice were induced with allergic encephalomyelitis ...
Leishmaniasis is a complex disease that is caused by parasites of the Leishmania genus. Leishmania are further classified into several complexes, each of which can engage in distinct interactions with mammalian hosts resulting in differing disease presentations. It is therefore not unexpected that host immune responses to Leishmania are variable. The induction of interferon gamma (IFN-γ) and re...
Skizofrenia adalah psikiater akut dan kronis dengan banyak faktor penentu lingkungan genetik. Beberapa laporan menunjukkan bahwa itu memainkan peran penting dalam regulasi sistem kekebalan penyebab skizofrenia. Bukti yang dikumpulkan hubungan antara skizofrenia psikopatologi penurunan produksi sitokin. Polimorfisme gen Interferon gamma +874 A/T terletak pada pasang basa ke +874. Tujuan: Literat...
Recombinant rat interferon gamma stimulated the contractility of isolated rat ileum at doses of 4-12 units/ml. Muscarinic cholinoceptors were involved, as treatment of the tissue with atropine prevented the contractile response of the ileum. Furthermore, interferon gamma increased the affinity of carbachol for the cholinoceptors and did not change its maximum effect. Neurogenic pathways were al...
Influenza virus stimulation of human lymphocytes induced high levels of immune interferon in lymphocyte cultures. The lymphocytes of normal adults produced approximately 1,000 U/10(6) cells, which was in large part gamma interferon. The lymphocytes of individuals recently vaccinated yielded very high levels (10-50,000 U/10(6) cells) of interferon. The interferon was pH 2 labile, and was not neu...
background chronic hepatitis b virus (hbv) infection is a multifactorial disease that can result in serious clinical complications. host genetic background especially the genes that encode immunologic factors like inf-γ and its receptor (ifn-γ r) are critical in the pathogenesis of infection. materials and methods genomic dna from peripheral blood samples of 200 chronically hbv infected patient...
Background: Brucella is a gram-negative bacterium, causing acute and chronic infection in humans and animals. Cell-mediated immunity is the main protective immune response against Brucella spp. Activation of macrophages by IFN-γ and generation of reactive oxygen intermediates and nitric oxide are the main immunologic mechanisms responsible for control of Brucella infection. Objective: To invest...
Certain properties of the antirickettsial activity and interferon in lymphokine preparations obtained from concanavalin A-stimulated mouse spleen cells were compared. Both the antirickettsial activity and interferon were relatively stable to heating at 56 degrees C, whereas both activities were destroyed by trypsin, by heating at 80 degrees C, or by exposure to pH 2 for 24 h. Both activities we...
The production of gamma interferon in acute acquired and congenital toxoplasmosis was studied. Gamma interferon was produced at significant titers (P less than 0.001) in the course of both congenital toxoplasmosis and acquired toxoplasmosis at an early stage of infection, when Toxoplasma gondii was multiplying. Its presence in fetal blood was correlated with the positive inoculation of fetal bl...
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