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Journal of Experimental Medicine, Vol 166, 295-299, Copyright © 1987 by Rockefeller University Press
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B Pestalozzi, L Stitz and RM Zinkernagel
Monoclonal antibodies against lymphocytic choriomeningitis virus (LCMV), a natural, high-replicating, noncytolytic pathogen in mice, were obtained from fusions between myeloma cells and lymphoid cells of mice of different H-2 haplotypes at various times (4-24 d) after infection. Supernatants from growing hybridomas were tested in a RIA, and approximately 15% of all supernatants were positive when tested for specificity on infected vs. uninfected cells of different haplotypes. Upon retesting for specific fluorescence, only some RIA+ supernatants exhibited specific surface staining of acetone-fixed infected cells or unfixed infected cells. In all these experiments and using various detection methods we could not find antibodies with any preference of recognition of viral antigen in conjunction with the H-2 haplotype of the responder mouse. The absence of H-2 restricted antibodies after a primary virus infection in vivo, whether assayed by RIA or surface immunofluorescence, suggests that antibodies obtained in other experiments using infected tumor cells for induction and in the RIA may not represent the general case.
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