Effects of psychological stress on small intestinal motility and expression of cholecystokinin and vasoactive intestinal polypeptide in plasma and small intestine in mice

Table 1 Changes of CCK in plasma and small intestine (mean±SD).

Group	No. of animals	Small intestine mg/g)	Plasma (ng/L)
Control	18	1.98±1.17	52.70±20.10
Stress	18	0.75±0.53b	53.88±33.17

Table 2 Changes of VIP in small intestine plasma (mean±SD).

Group	No. of animals	Small intestine (mg/g)	Plasma (ng/L)
Control	18	7.03±2.36	190.05±90.08
Stress	18	8.45±1.09b	201.58±103.23

^bP<0.01 vs the control.