PMID: 7526383Nov 8, 1994Paper

Autoreactive CD8+ T-cell responses to human myelin protein-derived peptides

Proceedings of the National Academy of Sciences of the United States of America
T TsuchidaW E Biddison

Abstract

Identification of the targets of autoreactive T cells is important for understanding the pathogenesis of many autoimmune diseases. In multiple sclerosis, myelin proteins are thought to be the targets of autoreactive T-cell responses. To date only major histocompatibility complex class II-restricted CD4+ T-cell responses to myelin proteins have been investigated. In the present study, the ability of self peptides derived from human myelin proteins to induce autoreactive CD8+ T-cell responses has been assessed. Peptide sequences from human myelin basic protein (MBP), proteolipid protein (PLP), myelin-associated glycoprotein (MAG), and myelin oligodendrocyte glycoprotein have been identified that bind to and form stable complexes with HLA-A2. MBP 110-118, PLP 80-88, MAG 287-295, MAG 509-517, and MAG 556-564 were all able to induce peptide-specific HLA-A2-restricted CD8+ cytotoxic T-lymphocyte (CTL) responses in vitro in HLA-A2+ individuals. CTLs specific for MBP 110-118 and MAG 556-564 could recognize endogenously processed antigens presented by HLA-A2. CTL clones reactive to MBP 110-118 and MAG 556-564 produced tumor necrosis factor alpha and a subset of these clones also produced interferon gamma. These results demonstrate that ...Continue Reading

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Citations

Aug 1, 1995·Annals of Neurology·R Martin, H F McFarland
Jul 7, 2009·Neuromolecular Medicine·Gokhan Yilmaz, D Neil Granger
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