purified rm il-1 beta exhibited biologic activity equivalent to 7.8 x 10 ( 7 ) units/mg in the murine thymocyte proliferation assay and 9.9 x 10 ( 3 ) units/mg in the human gingival fibroblast pge2 production assay , indicative of species specificity .
C0021753
il-1 beta
C0086418
human