Fig. 4From: Liver toxicity assessments in rats following sub-chronic oral exposure to copper nanoparticlesCytokine content of livers of the various groups of rats. IL-1β, IL-2, IL-6, IFN-γ, TNF-α, MIP-1, MCP-1, and COX-2. *p < 0.05; **p < 0.01Back to article page