B4. IL-8 level of rats in each group measured by ELISA.
	Sham	HI	HI+S	F value	DF
IL-8 (ng/L)	249.1±4.8	117.9±21.1*	74.7±10.0**	38.30	2

One-way ANOVA was used to compare the mean difference among the three groups. Tukey’s multiple comparisons test was used for post hoc test.

^*p<0.001 between sham group and HI group,

^**p<0.001 between HI group and HI+S group.