نتایج جستجو برای: specific ig e
تعداد نتایج: 2007344 فیلتر نتایج به سال:
O R IG IN A L A R T IC L E Alexandre Rodrigues Guerzoni Érika Cristina Pavarino-Bertelli Moacir Fernandes de Godoy
Sao Paulo Med J. 2007;125(6):333-7. O R IG IN A L A R T IC L E Mauro Karnikowski
Sao Paulo Med J. 2007;125(5):265-9. O R IG IN A L A R T IC L E Míriam Raquel Diniz Zanetti Rodrigo de Aquino Castro
The humoral immune response to heterologous erythrocytes requires the cooperation of B lymphocytes and helper T cells. The production of anti-sheep erythrocytes (SRBC) 1 IgG is almost wholly dependent on the activity of T help (reviewed in 1). Helper T cells that recognize the carrier portion of an immunogen have been known for some time (2). More recently evidence has accumulated that other he...
In contrast to adult lymphocytes, neonatal lymphocytes secrete minimal amounts of Ig in response to stimulation with immobilized MAb to CD3. This deficiency could be overcome by the addition of supplemental IL-2, IL-4, or IL-6, resulting in the secretion of all Ig isotypes. There were no major differences in the distribution of Ig isotypes secreted in response to the cytokines alone or in combi...
BACKGROUND Whereas T cell receptors (TCRs) detect peptide/major histocompatibility complexes (pMHCs) with exquisite specificity, there are challenges regarding their expression and use as soluble detection molecules due to molecular instability. We have investigated strategies for the production of TCR-immunoglobulin (Ig) fusion proteins. Two different TCRs that are characteristic of a mouse mo...
The CD28 costimulatory pathway is critical to T cell activation. Blockade of the interaction of CD28 with its ligands CD80 and CD86 using CTLA4-Ig has been proposed as a therapy for a number of immune-based disorders. We have used a murine model of influenza virus infection to study the role of CD28-dependent costimulation in the development of antiviral immune responses. In vivo treatment with...
The ability of NP-coupled syngeneic spleen cells to induce antigen-specific T-suppressor cells capable of binding to NP-BSA-coated Petri dishes and mediating transfer of specific suppressive activity to NP was demonstrated. Furthermore, in strains of mice bearing the Ig-1b allotype, including SJL, and in (non-Ig-1b x Ig-1b)F1 hybrids, the NP-specific suppressor cells also interferes with expres...
Using murine monoclonal antibodies (MoAbs) specific for immunoglobulin (Ig) cross-reactive idiotypes (CRI), we performed immunohistochemical analyses on frozen tissue sections and cytocentrifuge preparations of Ig-expressing malignant cells from patients with chronic lymphocytic leukemia (CLL) and B-cell non-Hodgkin's lymphomas (NHL) of follicular center cell origin. Twenty percent (4/20) of th...
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