Effects of WEP (500 mg/kg/day) on macrophage-associated cytokines/genes in intraperitoneal implant. mRNA expression of nos2 (A), ifn- (B), ym1 (C), and fizz1 (D). The treatment up-regulates classical and alternative macrophage activation-associated genes in relation to the control animals. Values are the means (±SEM) from groups of 4-5 animals. ** P < 0.01; *P < 0.05 versus control group.