نتایج جستجو برای: NKT Cells

تعداد نتایج: 1383977  

Journal: :iranian journal of virology 0
ahmad najafi department of immunology, shahid sadoughi university of medical sciences, yazd, iran ali shams department of immunology, shahid sadoughi university of medical sciences, yazd, iran abbas ahmadi vasmehjani department of virology, school of public health, tehran university of medical sciences, tehran, iran amir hossein mansourabadi department of immunology, shahid sadoughi university of medical sciences, yazd, iran

background and aims: natural killer t (nkt) cells have been suggested to play critical roles in a wide range of immune responses especially against hepatotropic pathogens such as hepatitis c virus (hcv). in  the  present  study,  we  investigated  the  status  of  nkt  cells  by producing interleukin-17 cytokine in  peripheral  blood.  patients and methods: as case-control study, 15 patients wi...

اسفندیاری, نسرین , ریانی, مجید , زواران حسینی, احمد , شاه قاسم پور, شاپور , شمس, علی , مسجدی, محمدرضا , پورامیری, مجید ,

Introduction: Natural killer T (NKT) cells are a subset of lymphocytes that express some NK cells properties. NKT cells have a regulatory role in immune responses. Little is known about the potential role of NKT cells in human infectious diseases. The goal of the present study was determination of frequency of Vα24Vβ11 and CD3CD56 NKT cells in tuberculosis patients. Methods: According to our c...

ژورنال: دانشور پزشکی 2017
رجب نیا چناری, مریم, غضنفری, طوبی, فقیه زاده, سقراط, نقی زاده, محمدمهدی,

Background and Objective: Natural killer T like (NKT) cells are a population of T cells that show NK cells features. These cells in addition to administrative actions, have an important role in the regulation of immune responses. The role of these cells in people exposed to sulfur mustard (SM) are not well known. The aim of this study was to determine the percentage of NKT cells in the peripher...

شادمان, مجتبی, عجمی, بوالقاسم , مثالی, حمیده, تقوایی, ترنگ, حسین نتاج, هادی, حسینی, وحید , رفیعی, علیرضا, طهرانی, محسن ,

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...

Journal: :modares journal of medical sciences: pathobiology 2011
parvin dorfeshan mojdeh salehnia seyed mohammad moazzeni

objective: the aim of this study was to evaluate and compare the population of natural killer t lymphocyte (nkt) in the uterus and spleen of the hyperstimulated and control mice at the seventh day of pregnancy. materials and methods: the superovulated and control mice were put individually in a cage with a male mouse. in the next morning they were considered for observing the vaginal plag. the...

Journal: :iranian journal of immunology 0
mohammad fereidouni department of immunology, birjand university of medical sciences, birjand, iran farhzad jabbari azad immunology research center, mashhad university of medical sciences, mashhad, iran mahmoud mahmoudi immunology research center, mashhad university of medical sciences, mashhad, iran abdolreza varasteh immunology research center, mashhad university of medical sciences, mashhad, iran reza farid hosseini department of allergy and immunology, ghaem hospital, mashhad, iran

background: invariant natural killer cells (inkt) are an important immunoregulatory t cell subset. currently several flow cytometry-based approaches exist for the identifi-cation of inkt cells, which rely on using the 6b11 monoclonal antibody or a combina-tion of anti-vα24 and anti-vβ11 antibodies. objective: the aim of this study was to compare the ability of two flow cytometry-based methods f...

Background and Aims: Natural killer T (NKT) cells have been suggested to play critical roles in a wide range of immune responses especially against hepatotropic pathogens such as hepatitis C virus (HCV). In  the  present  study,  we  investigated  the  status  of  NKT  cells  by producing interleukin-17 cytokine in  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...

Journal: :Arteriosclerosis, thrombosis, and vascular biology 2009
Kelly To Alex Agrotis Gurdyal Besra Alex Bobik Ban-Hock Toh

OBJECTIVE NKT cells promote atherogenesis, but the subtypes responsible have not been identified. We investigated 2 major NKT cell subtypes (CD4+ and DN NKT) in ApoE-/- mice rendered NKT cell-deficient by day-3 neonatal thymectomy (3dTx). METHODS AND RESULTS Atherosclerosis development was studied in thymectomized ApoE-/- mice fed a high-fat diet with/without adoptively transferred NKT cells....

Journal: :Journal of Education, Health and Sport 2021

Recently discovered subpopulations belonging to cell groups called “invariant” NKT, also referred as type I NKT or classical cells, appear have a unique impact on the tumor microenvironment. Considering characteristics of secreted cytokines, production chemokines and capability cytotoxic activity, these cells significant function in being immune bacteria, parasites, viruses, autoimmune diseases...

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