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  • Title: Cloning of myelin basic protein-reactive T cells from the experimental allergic encephalomyelitis-resistant rat strain, LER.
    Author: Blankenhorn EP, Stranford SA, Martin AM, Hickey WF.
    Journal: J Neuroimmunol; 1995 Jun; 59(1-2):173-83. PubMed ID: 7541054.
    Abstract:
    Rats of the LER inbred strain are resistant to the active induction of experimental allergic encephalomyelitis (EAE), although they are susceptible to adoptively transferred EAE when they are injected with encephalitogenic T cells from EAE-susceptible Lewis rats. The mechanism of resistance remains to be elucidated. We report here that myelin basic protein (MBP)-specific T cells can be cloned from LER rats immunized with MBP, that these CD4+ LER T cells can recognize the encephalitogenic peptide (MBP-EP) and will divide vigorously when it is presented to them, and that these T cells bear V beta 8 + TCR chains. Nevertheless, in contrast to Lewis T cells with the same specificity and TCR beta chains, LER T cells from MBP-EP-specific clones cannot induce EAE when adoptively transferred into naive rats of either strain. Thus, LER T cells can assemble and use a TCR with the canonical encephalitogenic V beta 8.2-D beta-J beta region in response to immunization with MBP, yet they continue to display resistance to EAE.
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