Using CD40 ligand expression to detect antigen-specific T cells in patients with drug eruptions.
نویسندگان
چکیده
منابع مشابه
القای سلول‌های دندریتیک تولروژن موشی با تنظیم کاهشی ملکول کمک تحریکی CD40 با استفاده از وکتور لنتی ویروس
Induction of Tolerogenic Murine Dendritic Cells by Downregulating the Co-stimulatory Molecule of CD40 Using Lentivirus Vector Mahmoodzadeh A1, Pourfatollah AA1, Karimi MH2, Moazzeni SM1 1Dept. of Immunology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran 2Transplantation Research Center, Nemazee Hospital, Shiraz University of Medical Sciences, Shiraz, Iran. Correspond Aut...
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Objective(s): In addition to pro-inflammatory role, dendritic cells (DCs) can also be anti-inflammatory when they acquire tolerogenic phenotype. In this study we tested the role of CD40 and IL-23p19 in antigen presenting function of bone marrow-derived DCs (BMDCs) by comparing BMDCs derived from CD40 knockout (CD40KO-DCs) and IL-23p19 (IL-23p19KO-DCs) knockout mice wit...
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Leukemia cells may express tumor specific antigens in association with Class I and II major histocompatability complex (MHC) molecules. However, lack of expression of conventional costimulator molecules means that these cells tend to induce specific T-cell anergy rather than activation. CD40 ligand (CD40L) is a costimulator molecule that directly activates T cells and may promote antigen presen...
متن کاملPreformed CD40 ligand exists in secretory lysosomes in effector and memory CD4+ T cells and is quickly expressed on the cell surface in an antigen-specific manner.
CD40 ligand (CD40L) is an essential effector cytokine for macrophage activation, dendritic cell licensing, and T-cell-dependent antibody responses. Although CD40L is known to be made de novo following antigen recognition, several reports have described surface mobilization of preformed, intracellular CD40L in certain CD4(+) effector T cells. Here we show that rapid surface expression of preform...
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IgE synthesis requires interleukin 4 (IL-4) and a T-B cell interaction that involves the B cell antigen CD40 and its ligand expressed on activated T cells. IL-4 induces epsilon germline transcription whereas ligation of CD40 results in deletional S mu-->S epsilon switch recombination, expression of mature epsilon transcripts, and IgE synthesis and secretion. We demonstrate that disodium cromogl...
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ورودعنوان ژورنال:
- Acta dermato-venereologica
دوره 94 1 شماره
صفحات -
تاریخ انتشار 2014