Table 4. Serum levels of TNF-α, IL-6, and IL-1β in autistic mice in the NS and VPA groups.

	NS	VPA	P value
TNF-α (ng/ml)	0.71 ± 0.08	1.36 ± 0.15	<0.001
IL-6 (pg/ml)	94.36 ± 8.51	178.90 ± 17.94	<0.001
IL-1β (pg/ml)	5.19 ± 0.54	8.43 ± 0.88	<0.001

Abbreviations: IL, interleukin; NS, normal saline; TNF-α, tumor necrosis factor alpha; VPA, sodium valproate.