نتایج جستجو برای: human peripheral lymphocyte
تعداد نتایج: 1825914 فیلتر نتایج به سال:
The development pathway from embryonic thymus-stem cell to peripheral thymus-derived lymphocyte has been demonstrated using the alloantigens theta (theta) and TL as surface markers of cell differentiation. On the basis of cytotoxicity tests carried out on CBA.H or A embryo thymus cultured in diffusion chambers and on CBA.H embryo thymus grafts and peripheral lymphocytes derived from them in AKR...
objectives the cause of rheumatoid arthritis (ra) as a chronic inflammatory autoimmune disease is still unknown. it appears that both genetic and environmental factors play a role in its pathogenesis. recent studies reveal that in addition to the cns, immune cells synthesis neurotransmitters so that these catecholamines can regulate immune functions. the aim of this study is to evaluate the dop...
Ozone (O3) exposure in vivo has been reported to degrade arachidonic acid (AA) in the lungs of rodents. The O3-degraded AA products may play a role in the responses to this toxicant. To study the chemical nature and biological activity of O3-exposed AA, we exposed AA in a cell-free, aqueous environment to air, 0.1 ppm O3, or 1.0 ppm O3 for 30-120 min. AA exposed to air was not degraded. All O3 ...
Recent insights into the pharmacological control of HIV replication and the molecular mechanisms of peripheral T cells homeostasis allowed us to investigate in vivo the mechanisms mediating T cell depletion in HIV-infected patients. Before the initiation of highly active antiretroviral therapy (HAART), a high degree of lymphoid tissue apoptosis is present, which is reduced upon HAART initiation...
The homing of lymphocytes is controlled by interactions with high endothelial venules (HEy). specialized vessels that define sites of lymphocyte extravasation into lymph nodes and inflamed tissues. In humans. lymphocyte-HEV binding involves a lymphocyte surface glycoprotein (GP) of 85 to 95 kd (CD44. H-CAM). defined by monoclonal antibody (MoAb) Hermes-i . To define the expression of this homin...
BACKGROUND Lymphocytes have a central role in human defences against mycobacteria. A study was designed to assess the relation between lymphocyte responses and clinical pattern of disease, nutrition and recovery during treatment in patients with tuberculosis. METHODS Lymphocyte numbers and subsets (on the basis of CD3, CD4, and CD8 monoclonal antibodies) were measured in peripheral blood and,...
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