منابع مشابه
The tolerogenic interplay(s) among HLA-G, myeloid APCs, and regulatory cells.
Myeloid antigen-presenting cells (APCs), regulatory cells, and the HLA-G molecule are involved in modulating immune responses and promoting tolerance. APCs are known to induce regulatory cells and to express HLA-G as well as 2 of its receptors; regulatory T cells can express and act through HLA-G; and HLA-G has been directly involved in the generation of regulatory cells. Thus, interplay(s) amo...
متن کاملA novel role for histone deacetylase 6 in the regulation of the tolerogenic STAT3/IL-10 pathway in APCs.
APCs are critical in T cell activation and in the induction of T cell tolerance. Epigenetic modifications of specific genes in the APC play a key role in this process, and among them histone deacetylases (HDACs) have emerged as key participants. HDAC6, one of the members of this family of enzymes, has been shown to be involved in regulation of inflammatory and immune responses. In this study, t...
متن کاملInfectious nickel tolerance: a reciprocal interplay of tolerogenic APCs and T suppressor cells that is driven by immunization.
Previously, we reported that tolerance to nickel, induced by oral administration of Ni(2+) ions, can be adoptively transferred to naive mice with only 10(2) splenic T cells. Here we show that 10(2) T cell-depleted spleen cells (i.e., APCs) from orally tolerized donors can also transfer nickel tolerance. This cannot be explained by simple passive transfer of the tolerogen. The APCs from orally t...
متن کاملTolerogenic Donor-Derived Dendritic Cells Risk Sensitization In Vivo owing to Processing and Presentation by Recipient APCs.
Modification of allogeneic dendritic cells (DCs) through drug treatment results in DCs with in vitro hallmarks of tolerogenicity. Despite these observations, using murine MHC-mismatched skin and heart transplant models, donor-derived drug-modified DCs not only failed to induce tolerance but also accelerated graft rejection. The latter was inhibited by injecting the recipient with anti-CD8 Ab, w...
متن کاملEpithelial cells as APCs
Antibodies against a vaccine vector render T cells more susceptible to HIV-1 infection, say Perreau et al. on page 2717. Their results may help explain the failure of a recent HIV vaccine trial. The HIV-1 vaccine used in Merck's STEP trial relied on a weakened form of a common cold virus, Adenovirus 5 (Ad5), to carry bits of HIV into the body. One worry about the Ad5 vector was that widespread ...
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ژورنال
عنوان ژورنال: European Journal of Immunology
سال: 2013
ISSN: 0014-2980
DOI: 10.1002/eji.201243184