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  • Title: T cell receptor beta chain usage in myelin basic protein-specific rat T lymphocytes.
    Author: Chluba J, Steeg C, Becker A, Wekerle H, Epplen JT.
    Journal: Eur J Immunol; 1989 Feb; 19(2):279-84. PubMed ID: 2467813.
    Abstract:
    Myelin basic protein (MBP)-specific T cell lines and clones have been established from rats of the major histocompatibility complex (MHC)-compatible Lewis and BS strains. All lines and clones are MHC class II restricted and share the CD4+ phenotype. The cells proliferate specifically in response to either a peptide representing amino acids #68-88 of guinea pig MBP, to residues #47-67 or to an unidentified myelin antigen which is distinct from MBP. All lines and clones specific for MBP express the same T cell receptor (TcR) variable (V) beta chain element, which is homologous to the mouse V beta 8.2 gene segment. Three lines/clones with the same antigen fine specificity have identical V beta D beta J beta junctions on the protein level, a region which represents part of the potential antigen-binding portion of the TcR; two of the lines express members of the V alpha 2 family. These results suggest biased usage of TcR V beta elements in rat T cells specific for MBP. Our findings broaden the basis for a rational therapeutic strategy to specifically intervene in the rodent model system of experimental allergic encephalomyelitis.
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