Antioxidant peptides (2 μg/ml) inhibit secretions of IL-2 (A) and MCP-1 (B) induced by lipopolysaccharides (2 μg/ml). 1, control; 2, pleurain-D4; 3, pleurain-E1; 4, pleurain-G1; 5, pleurain-J1; 6, pleurain-K1; 7, pleurain-M1; 8, pleurain-N1; 9, pleurain-N1; 10, pleurain-P1; 11, antioxidin-RP1. Error bars represent the standard error of the mean in three separate experiments.