B4. IL-8 level of cells in each group measured by ELISA.
	Blank	OGD	OGD+S	OGD+S+oe-NC	OGD+S+oe-G9a	F value	DF
IL-8 (ng/L)	47.2±5.8	116.7±15.2*	74.3±13.3**	79.2±16.9	117.9±13***	15.24	4

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

^*p<0.001 between blank group and OGD group,

^**p<0.05 between OGD group and OGD+S group,

^***p<0.05 between OGD+S group and OGD+S+oe-G9a group.