Table 1.

Effect of MPTP on sickness behaviors (body weight changes, locomotor activity and social exploratory behavior).

		0 Day	3 Days	7 Days	14 Days	21 Days
Body weight changes (%)	Saline	–	−1.11 ± 1.38	−0.75 ± 0.62	−0.64 ± 1.39	−0.67 ± 1.28
			(n = 15)	(n = 15)	(n = 15)	(n = 18)
	MPTP	–	−4.30 ± 1.02	−5.95 ± 1.07*	−5.25 ± 0.99*	−0.05 ± 1.18
			(n = 13)	(n = 25)	(n = 22)	(n = 14)
Lines crossed	Saline	57.17 ± 5.18	51.50 ± 8.84	54.33 ± 7.80	57.50 ± 6.30	50.00 ± 6.13
		(n = 6)	(n = 6)	(n = 6)	(n = 6)	(n = 6)
	MPTP	47.00 ± 7.00	49.12 ± 5.98	52.71 ± 5.44	55.86 ± 4.91	50.86 ± 4.80
		(n = 7)	(n = 7)	(n = 7)	(n = 7)	(n = 7)
Social exploration (s)	Saline	147.00 ± 18.15	146.60 ± 11.27	150.00 ± 23.00	152.20 ± 8.29	171.60 ± 13.19
		(n = 5)	(n = 5)	(n = 5)	(n = 5)	(n = 5)
	MPTP	151.20 ± 13.38	150.67 ± 14.95	161.83 ± 18.16	139.67 ± 12.83	152.33 ± 6.56
		(n = 5)	(n = 6)	(n = 6)	(n = 6)	(n = 6)

*Significantly different from the corresponding saline group (p < 0.05).