Fig. (3) (A) Expression of IL-1α protein in Sq-1979 and L5-11 cells. (B) IFN-γ-producing capability of stimulated spleen cells treated with UM, UM mixed in a 1/1 ratio with CM, UM containing 50 pg/ml of IL-1a, UM containing 150 pg/ml of IL-1α (paired lanes 1 to 4, respectively), in the presence (+) or absence (-) of 10T1/2 cells. * 0.01 > P.