Fig. 5. Heart homogenate levels of (A) interleukin-6 (IL-6), (B) tumour necrosis factor α (TNFα), (C) catalase, and (D) glutathione (GSH) in rats intratracheally instilled with either saline (control) or cerium oxide nanoparticles (CNPs), with or without cisplatin (CDDP) administration. Data are presented as means ± SEM (n=6-8).