نتایج جستجو برای: adoptive response
تعداد نتایج: 983135 فیلتر نتایج به سال:
BALB/c mice treated with total lymphoid irradiation (TLI) develop non-antigen-specific suppressor cells of the adoptive secondary antibody response and of the mixed leukocyte reaction. Suppressors of the adoptive anti-DNP response were eliminated by incubation of spleen cells with anti-Thy-1.2 or anti-thymus-leukemia (TL) antiserum and complement before cell transfer. Thymectomy before TLI prev...
The results of this study demonstrate that spleen cells taken from mice at the height of the primary immune response to intravenous infection with Mycobacterium tuberculosis possess the capacity to transfer adoptive protection to M. tuberculosis-infected recipients, but only if these recipients are first rendered T cell-deficient, either by thymectomy and gamma irradiation, or by sublethal irra...
Introduction Adoptive cell therapy, where patients are treated with expanded autologous T cells derived from tumor specimens, is currently one of the most effective treatments for stage IV malignant melanoma. Clinical studies have indicated a link between treatment with anti-CTLA-4 treatment (e.g. Ipilimumab) prior to tumor removal, and a favorable treatment response to subsequent adoptive cell...
IL-9-producing cytotoxic T (Tc9) cells represent a unique CD8+ T-cell subset. These long-lived immune cells possess the capacity to acquire effector function and home to tumor tissues after adoptive transfer. IL-9 is indispensable for Tc9-mediated superior antitumor response. These findings are highly significant and crucial to achieve advances in T cell-based adoptive therapies.
X-irradiation up to 480 R does not inhibit either adoptive transfer of delayed hypersensitivity or production in vitro of soluble mediators, such as migration-inhibitory factor (MIF). Above that dosage and as high as 3000 R, adoptive transfer is inhibited, but production of MIF is not. An increase in skin response occurred when 24-48 hr were allowed to elapse after intravenous transfer and befo...
The effect of cancer immunotherapy on the endogenous immune response against tumors is largely unknown. Therefore, we studied immune responses against murine tumors expressing the glycoprotein (GP) and/or nucleoprotein of lymphocytic choriomeningitis virus (LCMV) with or without adoptive T-cell therapy. In nontreated animals, CTLs specific for different epitopes as well as LCMV-GP-specific anti...
The results of this study with the P815 mastocytoma confirm the results of previous studies that showed that the passive transfer of tumor-sensitized T cells from immunized donors can cause the regression of tumors growing in T cell-deficient (TXB) recipients, but not in normal recipients. The key additional finding was that the expression of adoptive immunity against tumors growing in TXB reci...
Experimental autoimmune encephalomyelitis (EAE) was induced in Lewis rats either by active immunization with myelin basic protein (MBP) or by adoptive transfer using anti-MBP specific CD4(+)T cells. Treatment with human polyclonal immunoglobulins (IgG) effectively suppressed active EAE. Time-dependent experiments demonstrated that the effect of IgG was manifested only when treatment was given i...
Adoptive Cell Transfer (ACT) of Tumor-Infiltrating Lymphocytes (TIL) in combination with lymphodepletion has proven to be an effective treatment for metastatic melanoma patients, with an objective response rate in 50%-70% of the patients. It is based on the ex vivo expansion and activation of tumor-specific T lymphocytes extracted from the tumor and their administration back to the patient. Var...
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