期刊
JOURNAL OF NEUROIMMUNOLOGY
卷 177, 期 1-2, 页码 63-75出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jneuroim.2006.04.018
关键词
dual APL; EAMG; immunosuppression; CD4(+)CD25(+) regulatory cells; immunosuppressive cytokines
A dual altered peptide ligand (APL) composed of the tandemly arranged two single amino acid analogs of two myasthenogenic peptides, p195-212 and p259-271 was demonstrated to down-regulate in vitro and in vivo myasthenia gravis (MG) associated autoreactive responses. In this study, we demonstrate the suppressive properties of the dual APL following immunization with the whole Torpedo AChR (TAChR) and in mice with established experimental autoimmune MG (EAMG). The dual APL acts by up-regulating CD4(+)CD25(+) cells expressing characteristic regulatory markers along with an associated increase in levels of IL-10 and TGF-beta. The latter cytokine plays a key role in the ameliorating effects of the dual APL. (c) 2006 Elsevier B.V. All rights reserved.
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