نتایج جستجو برای: cell mediated immunity
تعداد نتایج: 1981871 فیلتر نتایج به سال:
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...
brucella is a facultative intracellular pathogen, and brucellosis is commonest zoonotic disease worldwide. brucella species, isolated from domestic animals, are important pathogen for humans. annually, more than 500,000 new cases of brucellosis are reported, and this figure is an underestimate due to extended under-reporting cases in several endemic countries. brucella has a variety of virulenc...
Background: CD4+ and CD8+ T cells are the main types of lymphocytes in cell-mediated immunity and play a central role in the induction of efficient immune responses against tumors. The frequencies of T cell subtypes in the peripheral blood and tumor tissues, and draining lymph nodes (dLN) can be considered as useful markers for evaluation of the immune system in cancers. Methods: In this study,...
ent pathogens; these mechanisms are mainly secondary to the activation of B lymphocytes and of humoral immunity, or to the activation of cell-mediated immunity. Activation of B lymphocytes, and production of antibodies has been shown to be more useful in defense against cell-free agents and toxins (e.g., pneumococcus; tetanus toxins). In contrast, triggering of cell-mediated immunity appears to...
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