Dendritic cells: inciting and inhibiting autoimmunity.
نویسنده
چکیده
Dendritic cells are considered the most influential antigen presenting cells in the body because of their unique role in initiating immunity against threatening antigens. Recent studies addressing the consequences of self-antigen presentation by dendritic cells revealed the unexpected ability of these antigen presenting cells to inhibit T cell-mediated autoimmune diseases. The specific mechanisms by which dendritic cells suppress immune responses have been explored during the past year. These efforts indicate that extrathymic dendritic cells control autoimmunity by inducing peripheral T cell tolerance, a function intimately linked to their state of maturation.
منابع مشابه
Dendritic Cells in Autoimmune Diseases
Dendritic cells (DCs) are professional antigen presenting cells, which play a crucial role both in maintaining immune tolerance and in inducing adaptive immune responses. Therefore, DCs are the most sought in inciting autoimmunity and its sustenance to autoimmune diseases. The emerging knowledge of the importance of DCs, DC-derived cytokines, and intracellular signal transduction pathways in me...
متن کاملHuman Leukocyte Antigen-G Expression on Dendritic Cells Induced by Transforming Growth Factor-β1 and CD4+ T Cells Proliferation
Background: During antigen capture and processing, mature dendritic cells (DC) express large amounts of peptide-MHC complexes and accessory molecules on their surface. DC are antigen-presenting cells that have an important role in tolerance and autoimmunity. The transforming growth factor-beta1 (TGF-β1) cytokine has a regulatory role on the immune and non-immune cells. The aim of this study is ...
متن کاملالقای 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...
متن کاملAutoantigen-Specific TGF -Induced Foxp3 Regulatory T Cells Prevent Autoimmunity by Inhibiting Dendritic Cells from Activating Autoreactive T Cells
متن کامل
Interleukin-7 is a survival factor for CD4+ CD25+ T-cells and is expressed by diabetes-suppressive dendritic cells.
Dendritic cells can facilitate allograft survival and prevent autoimmunity via direct and indirect cell-mediated mechanisms. Recent studies demonstrate that immunoregulatory dendritic cells (iDCs) confer immune hyporesponsiveness in part through CD4(+) CD25(+) T regulatory cells (Tregs). Herein, we provide evidence to support the hypothesis that dendritic cells derived from NOD mice and enginee...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
- Current opinion in immunology
دوره 14 6 شماره
صفحات -
تاریخ انتشار 2002