A comparative study of lung toxicity in rats induced by three types of nanomaterials

Table 4 Concentrations of IL-1, IL-6, and TNF-α in BALF

Groups	IL-1 (pg.mL⁻¹)	IL-6 (pg.mL⁻¹)	TNF-α (pg.mL⁻¹)
Control group	12.68 ± 3.73	23.55 ± 4.57	12.61 ± 1.96
2 mg.kg⁻¹ nano-Fe₃O₄	10.63 ± 3.72	34.75 ± 2.28^a	13.23 ± 1.35
2 mg.kg⁻¹ nano-SiO₂	12.32 ± 4.77	29.80 ± 5.00^a	13.62 ± 1.82
2 mg.kg⁻¹ SWCNTs	9.34 ± 2.40	34.21 ± 6.73^a	13.66 ± 1.72
10 mg.kg⁻¹ nano-Fe₃O₄	10.05 ± 1.76	40.59 ± 10.56^a	13.36 ± 1.41
10 mg.kg⁻¹ nano-SiO₂	14.76 ± 4.16	33.21 ± 5.80^a	17.72 ± 1.80^a,b
10 mg.kg⁻¹ SWCNTs	10.11 ± 3.07	42.92 ± 16.20^a	17.08 ± 1.35^a,b

^aCompared with control group, p < 0.05. ^bCompared with the nano-Fe₃O₄ group at the same dose, p < 0.05.