Significance of changes of gastrointestinal peptides in blood and ileum of experimental spleen deficiency rats

Table 1 Changes of SP and VIP in plasma (^-x± s, µg·L^-1)

Group	n	SP	VIP
Control group	7	6.60 ± 1.47	560.40 ± 151.30
SD group	8	22.7 ± 3.95a	229.8 ± 62.4a
Spontaneous recovery group	7	14.4 ± 4.22c	332.7 ± 119.1
Treated group	7	10.7 ± 1.88b	485.7 ± 229.0c
Cool stress group	7	15.60 ± 1.83a	153.4 ± 70.46a

^aP < 0.001, vs control group;

^bP < 0.001, vs SD group;

^cP < 0.01, vs SD group.

Table 2 Changes of SP and VIP in ileum (W_B/ρg·mg^-1. ^-x±s)

Group	n	SP	VIP
Control group	7	1.22 ± 1.18	9.10 ± 4.91
SD group	8	9.89 ± 5.65a	3.50 ± 2.01c
Spontaneous recovery group	7	2.99 ± 0.62b	4.11 ± 0.83
Treated group	7	2.20 ± 1.25b	4.48 ± 1.14
Cool stress group	7	0.57 ± 0.51	2.87 ± 0.87c

^aP < 0.005, vs control group;

^bP < 0.001, vs SD group;

^cP < 0.01, vs control group.

Table 3 Changes of electric-mechanical activity in ileum (^-x±s)

	Main frequency (time/min)		Average frequency (time/min )		Amplitude (time/min )
	Slow wave	Motility	Slow wave	Motility	Slow wave	Motility
Control group	17.5 ± 2.05	18.5 ± 1.7	18.2 ± 2.28	18 ± 2.65	0.30 ± 0.26	0.43 ± 0.31
SD group	17.4 ± 0.79	18.0 ± 0.69	21.3 ± 0.96b	21.5 ± 0.58a	0.31 ± 0.24	0.89 ± 0.15b
Spontaneous recovery group	16.8 ± 7.8	16.8 ± 1.3	20.5 ± 5.5	19.1 ± 4.85	0.25 ± 0.103	0.77 ± 0.65
Treated group	13.8 ± 3.92	16.1 ± 3.36	20.0 ± 4.04	19.0 ± 3.61	0.14 ± 0.015	0.64 ± 0.096c
Cool stress group	16.5 ± 2.67	15.7 ± 1.1	15.2 ± 2.01	16 ± 2.17	0.27 ± 0.11	0.33 ± 0.12

^aP < 0.005, vs control group;

^bP < 0.05, vs control group;

^cP < 0.01, vs SD group.