Abstract
Reciprocal radiation bone-marrow chimeras were produced between the standard C57BL/6 (=B6) and the mutant B6.C-H-2 ba (=Hz1) strain. When infected with vaccinia virus, these chimeras, as well as an (Hz1 × B6)=→ Hz1 chimera, produced cytotoxic cells that killed vaccinia-infected H-2KkH-2Db target cells but failed to kill virus-infected H-2KbH-2Dd cells. Virus-infected (Hz1 × B6)F1 → B6 chimeras, however, killed both types of target. These experiments demonstrate strict T-cell specificity capable of differentiating between two molecules that apparently differ by a single amino acid substitution.
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Zinkernagel, R.M., Klein, P.A. & Klein, J. Host-determined T cell fine specificity for self-H-2 in radiation bone-marrow chimeras of standard C57BL/6 (H-2b) mutantHz1 (H-2ba), and F1 mice. Immunogenetics 7, 73–77 (1978). https://doi.org/10.1007/BF01843990
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DOI: https://doi.org/10.1007/BF01843990