Study on Lung Injury Caused by Fine Particulate Matter and Intervention Effect of Rhodiola wallichiana

Table 1

Comparison of cytokine level in the serum of four groups of rats (n = 10).

Group	IL-6 (pg/ml)	IL-1β (pg/ml)	TNF-α (pg/ml)	8-OHdG (ng/ml)	4-HNE (ug/ml)	PCC (nmol/mg.prot)
Blank control group	4.725 ± 1.628^a	15.605 ± 3.673^a	3.797 ± 1.337^a	1.238 ± 0.130^a	5.359 ± 1.031^a	5.679 ± 1.012^a
Normal saline group	4.980 ± 1.690^a	16.282 ± 3.29^a	2.774 ± 0.923^a	1.190 ± 0.127^a	5.767 ± 1.180^a	5.990 ± 1.402^a
PM2.5-infected group	10.978 ± 2.572^b	29.650 ± 5.611^b	14.513 ± 4.451^b	2.457 ± 0.296^b	8.845 ± 1.695^b	25.782 ± 2.644^b
Rhodiola wallichiana group	7.690 ± 1.660^c	21.858 ± 4.355^c	6.920 ± 1.432^c	1.633 ± 0.223^c	7.242 ± 1.465^c	16.253 ± 2.486^c
F	22.875	22.619	46.014	80.887	13.420	227.716
	＜0.001	＜0.001	＜0.001	＜0.001	＜0.001	＜0.001

The same letters indicate nonstatistical differences, ; different letters indicate statistical differences, .