نتایج جستجو برای: human peripheral blood mononuclear cells
تعداد نتایج: 3166326 فیلتر نتایج به سال:
up-regulation of cd4+cd25+cd127low/- regulatory t cells (tregs) is a new target in the treatment of asthma. human bone marrow mesenchymal stem cells can up-regulate cd4+cd25+cd127low/- regulatory t cells in vitro, meanwhile, heme oxygenase-1 (ho-1) plays an important role in the development and maintenance of cd4+cd25+ regulatory t cells. however the mechanism has not yet been adequately under...
The interaction of commensal bacteria with immunocompetent cells may occur in definite compartments of the mucosal immune system, as limited translocation through the epithelial barrier cannot be excluded. In this study the stimulation of human peripheral blood mononuclear cells and purified lymphocyte subsets by nonpathogenic gram-positive lactobacilli (Lactobacillus johnsonii and Lactobacillu...
The chemotactic migration in vitro of peripheral blood, intestinal mucosal, and mesenteric lymph node mononuclear cells has been assessed in patients with colorectal carcinoma. Peripheral blood mononuclear cells of patients exhibited normal chemotaxis. For control patients with non-malignant, non-inflammatory intestinal disease, the chemotaxis of mucosal mononuclear cells was similar to that of...
Abstract Background and objectives: Dendritic Cells are the most important of antigen presenting cells with an effective role in immune tolerance. This study, aims to clarify the role of IFN- β in induction on dendritic cells derived by monocyte in diabetes type1 to evaluate the T cells response to beta cell specific antigenic molecule. Material and Methods: In this research, peripheral bl...
background: type 1 diabetes (t1d) is a t cell mediated autoimmune disease targeting the insulin-producing β cells within pancreatic islets. autoimmune diseases may develop as a consequence of altered balance between regulatory (tregs) and autoreactive t cells. objectives: to evaluate treg cells frequency and suppressive function in the peripheral blood of newly diagnosed t1d patients in compari...
To test the Efficacy of outpatient intracervical injection of peripheral blood mononuclear cells in the treatment of habitual abortion cervical insufficiency. Pilot study Heliopolis research center and Heliopolis Hospital, Cairo, Egypt Preparation of peripheral blood mononuclear cells, transvaginal ultrasound, IL-8, collagenases in the cervical mucus, Aquaporins in the cervical smears before PB...
Abstract Background B cells play an important role in the immune system due to production of the immunoglobulin and secreting several cytokines. It has been shown that B cells produced successfully in the presence of stem cell factor (SCF) and Flt3 ligand (Flt3L). IL2, IL7, and IL15 cytokines as -common family have an essential cytokines may support either synergistically or in an additive m...
Background: Invasive ductal carcinoma is the most common type of breast cancer in Iran. Impaired immune responses occur frequently in cancer patients, but the mechanisms of the induced immune defects remain poorly understood. It is believed that infiltrated immune cells, especially macrophages, may provide help for tumor cell growth and metastasis. Objective: To analyze the status of tumor as...
The use of marrow aspirates in bone marrow transplantation. clinical evaluation. and experimental studies has prompted the present study of the functional characteristics of mononuclear cells from aspirated (iliac crest) and curettaged (rib) marrow. In this manner. the relative contribution of peripheral blood contamination of aspirated bone marrow cells in investigating and understanding marro...
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