نتایج جستجو برای: b lymphocytes
تعداد نتایج: 945859 فیلتر نتایج به سال:
Peripheral blood lymphocytes from 27 healthy individuals and from 18 patients with a diverse spectrum of defects in humoral immunity were examined for their capacity to undergo terminal differentiation in vitro. Pokeweed mitogen induced cells from normal persons to synthesize and secrete IgM. IgG, and IgA as detected by Immunofluorescence and incorporation of [(14)C]amino acids, Lymphocytes fro...
Background. Earlier, we found a close canonical correlation between parameters of gas discharge visualization (GDV) and principal neuroendocrine factors adaptation. The purpose this study is to elucidate the relationship GDV immunity parameters. Material research methods. We observed twice 10 women men aged 33-76 years without clinical diagnose. In morning in basal conditions at first registere...
BACKGROUND Our laboratory has demonstrated previously that human tonsillar B lymphocytes express IL-13 mRNA OBJECTIVE: We sought to investigate IL-13 production by human B cells and the association between B cell-derived IL-13 and IgE secretion. METHODS Human B lymphocytes were isolated from tonsils and purified by means of rosetting with sheep RBCs or positive or negative selection with magn...
A method is described whereby antisera raised in rabbits to rat thoracic duct lymphocytes were made specific for the plasma membrane antigens of T and B lymphocytes. These lymphocyte-specific antisera were used in immunofluorescence assays to study the distribution of B and T cells in lymphocyte containing tissues and body fluids of the rat. Rabbit antirat B-cell serum (ALS(B)) reacted selectiv...
Migration of mature B lymphocytes within secondary lymphoid organs and recirculation between these sites are thought to allow B cells to obtain T cell help, to undergo somatic hypermutation, to differentiate into effector cells, and to home to sites of antibody production. The mechanisms that direct migration of B lymphocytes are unknown, but there is evidence that G protein-coupled receptors, ...
The background stimulation universally seen when lymphocytes are cultured in vitro has been shown to be markedly lowered by reducing the proportion of B lymphocytes. B-rich fractions of lymphocytes had extremely high background stimulation. It is concluded that stimulation of T cells, probably by autologous B cells, provides the most probable explanation for the findings described.
Nonobese diabetic (NOD) mice genetically deficient in B lymphocytes (NODJg mu(null)) are resistant to T cell-mediated autoimmune insulin-dependent diabetes mellitus (IDDM). Ig infusions from diabetic NOD donors did not abrogate IDDM resistance in NODJg mu(null) mice. However, T cell responses to the candidate pancreatic beta cell autoantigen glutamic acid decarboxylase (GAD), but not the contro...
Objective This study aimed to comprehensively assess Epstein-Barr virus (EBV)-induced methylation alterations of B cell across whole genome. Methods We compared DNA methylation patterns of primary B cells and corresponding lymphoblastoid cell lines (LCLs) from eight participants. The genome-wide DNA methylation profiles were compared at over 850,000 genome-wide methylation sites. Results DN...
cell-mediated immune (cmi) s t a t us and sub- popul at i ons o f pe r ipheral b l ood lymphocytes were investigated in one hundre d volunt a ry blood donors who were car r ier s of ag • he s a signi f i c ant decr e ase of t otal t-cells observed in hb ag carri e rs as compared t o normal controls. the percens t age o f active t-cells a nd b-lymphocytes did not d i f f e r signi f icant ly bet...
Lymphocyte is one of the subtypes of white blood cell (WBC) in immune system. Lymphocytes contain T cells, natural killer cells , and B cells. They are the head type of cell found in lymph, which for this reason the name "lymphocyte". Lymphocytes can be recognized by their large nucleus. Infiltration of immune cells in the central nervous system (CNS) helps the start of chronic pain. ...
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