期刊
TRENDS IN NEUROSCIENCES
卷 25, 期 6, 页码 313-319出版社
ELSEVIER SCIENCE LONDON
DOI: 10.1016/S0166-2236(02)02154-9
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Cytotoxic T lymphocytes (CTLs) with a CD8(+) phenotype have the potential to recognize and attack major histocompatibility complex (MHC) class I-expressing brain cells. Most brain cells, including neurons, can be stimulated to present peptides to CD8(+) CTLs by MHC class I molecules, and are susceptible to CTL-mediated cytotoxicity in culture. In disease-affected brain parenchyma, CD8(+) CTLs outnumber other T-cell subtypes. They show clonal expansion in several inflammatory and degenerative CNS diseases, such as multiple sclerosis (MS), virus-induced inflammatory brain diseases and paraneoplastic neurological disorders. In MS, damage of axons is closely linked to the CD8(+) CTLs, and protection against CTL-mediated damage should be considered as a new therapeutic approach in MS and other neuroinflammatory diseases.
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