A new cytotoxic lymphocyte-defined antigen coded by a gene closely linked to theH-3 locus

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Abstract
F1 complementation results indicate that a new gene, putatively controlling a minor histocompatibility antigen, is closely linked to the minor histocompatibility gene,H-3, in the fifth linkage group of chromosome 2 of the mouse. This gene controls a product that was capable of inducing as well as acting as a target for cytotoxic lymphocytes (CTL). The lytic activity of CTL developed in B10.LP-H-3b mice specific for the product of the new gene of B10 was restricted to target cells possessing H-2Db antigens. This contrasts to the H-2Kb-restricted activity of H-3.1 specific CTL.