Abstract
The agarose-droplet cell-migration-inhibition assay was developed for measuring specific cell-mediated immunity in rats. Fischer #344 female rats were sensitized to mono(p-azobenzene-arsonate)-N-chloroacetyl-L-tyrosine (ARSNAT), keyhole-limpet-hemocyanin (KLH), or a BCG cell wall preparation. The optimal conditions for assay were determined by testing varying concentrations of antigens against normal and sensitized peritoneal exudate cells induced with 5% thioglycolate medium. Specific cell-mediated immunity to each of three different antigens was detected, which correlated with skin tests observed in vivo . Our adaptation of the agarose-droplet assay should provide a useful model for studying other aspects of cell-mediated and/or tumor immunity in the rat.
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