Oxidative downmodulation of T cell-mediated cytotoxicity
نویسندگان
چکیده
منابع مشابه
Resistance of cloned cytotoxic T lymphocytes to cell-mediated cytotoxicity
Cloned CTLs show an unusually high resistance to lysis by effector CTLs. Several cloned CTL lines in our laboratories are absolutely refractory to lysis by other cloned CTLs, either (a) directly, (b) in the presence of lectin, or (c) by PMA-induced CTLs. They can be lysed to some extent by primary CTL, although they are less than 5% as sensitive as target cells normally used to assay primary CT...
متن کاملVulnerability of human neurons to T cell-mediated cytotoxicity.
Axonal and neuronal loss occurs in inflammatory diseases of the CNS such as multiple sclerosis. The cause of the loss remains unclear. We report that polyclonally activated T cells align along axons and soma of cultured human neurons leading to substantial neuronal death. This occurs in an allogeneic and syngeneic manner in the absence of added Ag, requires T cells to be activated, and is media...
متن کاملFas involvement in Ca(2+)-independent T cell-mediated cytotoxicity
Mechanisms of T cell-mediated cytotoxicity remain poorly defined at the molecular level. To investigate some of these mechanisms, we used as target cells, on the one hand, thymocytes from lpr and gld mouse mutants, and on the other hand, L1210 cells transfected or not with the apoptosis-inducing Fas molecule. These independent mutant or transfectant-based approaches both led to the conclusion t...
متن کاملCytotoxicity Is Mandatory for CD8+ T Cell–mediated Contact Hypersensitivity
Contact hypersensitivity (CHS) is a T cell-mediated skin inflammation induced by epicutaneous exposure to haptens in sensitized individuals. We have previously reported that CHS to dinitrofluorobenzene in mice is mediated by major histocompatibility complex (MHC) class I-restricted CD8(+) T cells. In this study, we show that CD8(+) T cells mediate the skin inflammation through their cytotoxic a...
متن کاملRegulation of Cell-mediated Cytotoxicity
Mice were treated with sublethal and midlethal doses of irradiation (500-700 rads) and injected intravenously with allogeneic or semiallogeneic F(1) hybrid spleen cells. The cytotoxicity developed by their spleen cells was measured with the lysis of (51)Cr-labeled target cells and was found to be stronger (although delayed in time) than the cytotoxic activity of spleen cells from nonirradiated ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Cell Death & Disease
سال: 2016
ISSN: 2041-4889
DOI: 10.1038/cddis.2016.273