Abstract:
:In experimental allergic encephalomyelitis (EAE) myelin basic protein (MBP) specific T cells differ in their encephalitogenic potential. To investigate the functional diversity of human MBP specific T cell lines, we analysed their cytotoxic activity against human astrocytes and monocytes. Five out of 14 MBP specific T cell lines killed astrocytes in the presence of MBP. Nevertheless, all lines lysed blood derived monocytes. T cell lines that lysed astrocytes efficiently in the presence of MBP, recognized peptide aa 80-99/86-105 in context with HLA-DRB5 * 0101, peptide aa 50-69/61-83 in context with HLA-DRB1 * 1501 and peptides aa 139-153, and aa 148-162 in context with HLA-DRB1 * 0101. There was no correlation of MBP-mediated lysis of astrocytes with TCR-Vbeta usage, HLA-restriction and the production of tumor-necrosis-factor-alpha (TNF-alpha), lymphotoxin (LT) and interferon-gamma (IFN-gamma). Different lysis of astrocytes, however, revealed a functional heterogeneity of MBP specific T cells, which was not observed by using monocytes as targets.
journal_name
J Neuroimmunoljournal_title
Journal of neuroimmunologyauthors
Weber F,Huber S,Aloisi F,Meinl Edoi
10.1016/s0165-5728(98)00093-9subject
Has Abstractpub_date
1998-08-01 00:00:00pages
99-104issue
1-2eissn
0165-5728issn
1872-8421pii
S0165-5728(98)00093-9journal_volume
88pub_type
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pub_type: 杂志文章
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pub_type: 临床试验,杂志文章
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journal_title:Journal of neuroimmunology
pub_type: 杂志文章,评审
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更新日期:1998-08-14 00:00:00
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pub_type: 杂志文章,评审
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pub_type: 杂志文章,评审
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