نتایج جستجو برای: cell mediated
تعداد نتایج: 1933852 فیلتر نتایج به سال:
neopterin, apyrazinopyrimidine compound, is produced by macrophages after induction by interferon gamma (ifn-y) and serves as a marker of cellular immune system activation followed by oxidative stress. the aim of this study was to determine urinary neopterin to creatinine ratio (uncr) as a surrogate marker of cell-mediated immune activation in multiple sclerosis (ms). three weekly early morning...
background and aims: rubella is predominantly a childhood disease that is endemic throughout the world and when rubella outbreaks occur, they are accompanied by birth defects following congenital rubella syndrome. immunity to rubella virus as a teratogenic agent has an important role for prevention of these serious congenital defects. lymphocyte proliferation assay is a way for investigation of...
objective(s):gemifloxacin is a broad spectrum antibiotic and has shown excellent coverage against a wide variety of microorganisms. in this study, an attempt was made to evaluate the immunomodulatory potential of gemifloxacin in male swiss albino mice in vivo. materials and methods: three doses of gemifloxacin 25 mg/kg, 50 mg/kg and 75 mg/kg were used intraperitoneally (ip) for the evaluation o...
results before boosting, among 176 boosted individuals, 75 (42.6%) had hbsab 10 iu/l and were considered seroprotected. among 101 serosusceptible persons, more than 80% of boosted individuals showed more than twofold increase in cytokines concentration, which meant positive hbsag-specific cell-mediated immunity. mcl of both cytokines after boosting in giv were decreased more than twofold, possi...
plant growth is a result of cell division and cell enlargement. expansins are proteins that mediate long-term extension of isolated cell walls and they play a variety of roles in plant cells. in this study the atexpb2 gene was over-expressed in arabidopsis thaliana. the gene was isolated from genomics dna of arabidopsis and cloned into mediated vectors; pgemt and pbi121 vectors. transformation ...
Studies on cell fusion-mediated nuclear reprogramming have led to the breakthrough of the induced pluripotent stem (iPS) cell technology. While this technology has neared stem cells to applications more than any other method, the mechanistic bases of reprogramming remain largely unsolved. In this context, comparative studies of oocyte and cell fusion-mediated reprogramming hold the greatest pro...
ige-mediated cell signaling, induced by cross-linking of high affinity receptor for ige (fcεri) in the presence of antigen (ag), is a well known mechanism described for mast cell activation in allergy and hypersensitivity reactions, which induces a spectrum of cellular responses such as secretion and up-regulation of cell surface fcεri. although for several years ige binding to fcεri was ...
Background: Tuberculosis (TB) remains an important health problem throughout the world. Despite its significance in public health, mechanisms of protective immunity against Mycobacyerium Tuberculosis in humans have not yet been understood. Objective: To evaluate cell mediated immune response against purified Ag 85, PPD and Phytohemagglutinin (PHA) in patients with tuberculosis and healthy tuber...
TASK-3, a two-pore-domain (K2P) potassium channel, has been implicated as important regulator for the effector function and proliferation of T-cells. Interestingly, TASK-3 has also a functional impact on tumor cells. Therefore, we sought to investigate whether TASK3 modulation might have a therapeutic potential for malignant gliomas by a variety of phenotypical and functional in vitro assays mi...
a:4:{s:10:"Background";s:1707:"Early embryonic development in mammals begins in transcriptional silence with an oocyte-mediated transcriptional reprogramming of parental gametes occurs during a so called across-the-board process of “erase-and-rebuild”. In this process, the parental transcription programs are erased long before (maternal) or soon thereafter (paternal) fertilization to generate a...
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