Fig. 4From: Oral administration of recombinant Bacillus subtilis spores expressing mutant staphylococcal enterotoxin B provides potent protection against lethal enterotoxin challengeDetection of TNF-a and IL-6 level in macrophage stimulated with mSEB and SEB. Cytokine was determined using ELISA after 24 h coculture of human macrophage with SEB, mSEB and LPS a TNF-alevel, b IL-6 level. *p < 0.05, ** p < 0.01. ***p < 0.001Back to article page