نتایج جستجو برای: killer cells
تعداد نتایج: 1392378 فیلتر نتایج به سال:
background: uterine natural killer (unk) cells are the most abundant leukocytes in pre-implantation endometrium and early pregnancy deciduas in humans and rodents. they are associated with structural changes in maternal spiral arteries but regulation of their re-cruitment and activation is incompletely understood. the major subpopulation of unk cells in humans expresses cd56, the neural cell ad...
Background and purpose: The aim of this study was to compare the proportion of natural killer (NK) and natural killer T (NKT)-like cells in dyspeptic disorders caused by Helicobacter pylori (H. pylori). Materials and methods: In a case-control study, 27 patients with gastric cancer (GC), 25 patients with peptic ulcer (PUD), and 22 patients with non-ulcer dyspepsia (NUD) were enrolled. After en...
to clarify the effect of γδ t cells and invariant natural killer t (inkt) cells in pathophysiology of dyspeptic disorders, number of these two cells in patients with non-ulcer dyspepsia (nud), peptic ulcer disease (pud), and gastric cancer (gc) were compared.patients with dyspepsia were divided into three groups of nud, pud, and gc according to their endoscopic and histopathological examination...
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 ...
Introduction: Immunological processes play an important role in recurrent spontaneous abortion(RSA). According to studies, T lymphocytes and natural killer cells(NK cells) are two effective cell groups in RSA. The aim of this study was to study the percentage and absolute number of natural killer(NK) cells in women with RSA of unknown etiology. Methods: A total of 24 women with history of recu...
Introduction: Immunological processes are most important in recurrent spontaneous abortion(RSA). According to studies T lymphocytes and natural killer cells(NK cells) are two effective cell groups in RSA. The aim of this study was to investigate the percentage and absolute number of natural killer(NK) cells in women with RSA with unknown etiology. Methods: 24 Women with a history of recurrent ...
natural killer (nk) cells are a subset of lymphocytes which play a crucial role in early innate immune response against infection and tumor transformation. furthermore, they secrete interferon-γ (ifn-γ) and tumor necrosis factor (tnf) prompting adaptive immu-nity. nk cells distinguish the unhealthy cells from the healthy ones through an array of cell-surface receptors. human nk cells use inhibi...
The immune system of 90-day old piglets SM-1 Novosibirsk breed depends on sex and stress-reactivity. Stress-reactivity was measured using halothane test. immunologic testing performed 30 days after weaning. Our results show that overall piglet demonstrated high proliferative activity T- B- immunocompetent cells with active formation mature T-and B-lymphocytes did not signs immunosuppression. Co...
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