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Cell Immunol. 1989 Apr 1;119(2):412-26.

The T cell receptor V beta 6 domain imparts reactivity to the Mls-1a antigen.

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Lilly Research Laboratories, Eli Lilly and Company, La Jolla, California 92037.


A monoclonal antibody secreting hybridoma was established by fusing spleen cells from a rat immunized with a murine T cell clone, OI11, which has I-Ab restricted specificity for the male H-Y antigen and unrestricted specificity for the minor lymphocyte stimulating antigen, Mls-1a, to the mouse myeloma P3X63AG8.653 and screening for the capacity of the hybridoma supernatants to stimulate the OI11 T cell clone. An antibody (RR4-7) was found to be specific not only for the immunizing T cell clone but virtually for all T cells using the V beta 6 TCR gene product as part of their surface antigen receptor. When the expression of the V beta 6 gene in various strains of mice was analyzed, it was found that strains expressing the Mls-1a antigen contained few T cells expressing V beta 6-encoded TCRs. The majority of T cell hybridomas which expressed V beta 6-encoded TCRs were found to be reactive to the Mls-1a antigen. These data confirm the finding of H. R. MacDonald et al. (Nature (London) 332, 40, 1988) that most TCRs encoded by the V beta 6 gene have a biased specificity for the Mls-1a antigen.

[Indexed for MEDLINE]

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