نتایج جستجو برای: killer cells
تعداد نتایج: 1392378 فیلتر نتایج به سال:
Investigation of the KIR-status of patients with head and neck squamous-cell carcinoma in bloodserum
Introduction The activation of natural killer cells (NK) by their KIR (killer cell immunoglobulin-like receptor) is a potent defense system tumor cells. In this thesis we want to investigate the profile 16 inhibiting and activating KIRs in bloodserum patients with head neck squamous-cell carcinoma (HNSCC). Furthermore, calculate correlation between KIR-status overall survival (OS) HNSCC-patients.
Natural Killer (NK) cells are the main lymphocyte population expressing P75 B chain of the IL-2 receptor (IL-2R). Consequently, incubation of peripheral blood lymphocytes with IL-2 induce selective activation of NK cells and results in NK activity and generation of Lymphokine activated killer (LAK) cells activity and proliferation. One of the early events during IL-2 activation of peripheral bl...
Background: NK (natural killer) and NKT (natural killer T) cells, as components of innate immune system, play a crucial role in tumor progression and dissemination. Objective: To investigate the percentages of NK cells, NKT cells, iNKT (invariant natural killer T) cells, total T lymphocytes as well as activated T lymphocytes, in tumor draining lymph nodes (TDLN...
Natural killer cells hunt rogue cancer in the bloodstream aided by increased fluid shear stress.
Background: Schizophrenia has been associated with altered immunity. Different studies regarding natural killer cell activity (NKA) in schizophrenic patients have shown inconsistent results. Objectives: To evaluate NK cell activity in schizophrenic patients in comparison with healthy control individuals. Methods: 30 medication-free schizophrenic patients and 41 healthy sex, age and smoking st...
objectives: the purpose of the present study was to examine the relationship between natural killer cells and the clinical trend of depression before and after treatment. methods: the subjects were 15 patients diagnosed with primary major depression, and 15 non-patients selected from among medical students and laboratory staff, matched in terms of age and sex. in the patient group, 6 out of 15 ...
Objective Inflammation plays an important role in endometriosis and adenomyosis. Progestin has been used for symptomatic treatment of adenomyosis, although its effect on inflammation has not been studied. We conducted a randomized controlled study to investigate the changes of immune cell expression, i.e. macrophages and natural killer cells, in the tissue obtained from women with adenomyosis w...
Among immune system components natural killer (NK) cells are the first line of defence against tumor cells. The decreasing activity of these cells can be associated with carcinogenesis, in situ tumor growth and metastasis of different cancers, viral infections, immunodeficiency syndroms and autoimmune diseases. In this study natural killer activity of peripheral blood mononuclear cells (Effecto...
Natural killer (NK) cells play a crucial role in regulating immune functions. Few studies have characterized canine NK cells. We previously demonstrated that canine peripheral blood lymphocytes (PBLs) with a low surface CD5 density (CD5lo) are considered a critical NK population. Natural killer cells in most mammals do not express T-cell markers, but canine CD5lo cells express surface molecules...
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