Experimental study on mechanism and protection of stress ulcer produced by explosive noise

Table 1 Serum Gas, ET, NO levels in stress rats (n = 8, x^-±s, ng/L)

	Controls	Stimulating group			Prevention group
		A	B	C	A’	B’	C’
Gas	63 ± 40	315 ± 193a	294 ± 163a	70 ± 8	327 ± 93	429 ± 266a	556 ± 225b
ET	135 ± 42	177 ± 87	181 ± 57a	169 ± 26	157 ± 37	158 ± 55	139 ± 43
NO	0.8 ± 0.5	0.5 ± 0.2	0.2 ± 0.1a	0b	0.4 ± 0.3	0.7 ± 0.5	0.7 ± 0.5

^aP < 0.05,

^bP < 0.01, vs controls.

Table 2 Serum ALT, AST, BUN level in stress rats (n = 8, x^-±s, ng/L)

	Controls	Stimulating group			Prevention group
		A	B	C	A’	B’	C’
ALT mmol/s	867 ± 67	867 ± 183	997 ± 133	867 ± 117	997 ± 116	804 ± 184	834 ± 100
AST mmol/s	2084 ± 183	2834 ± 583a	2501 ± 450	2450 ± 467	2634 ± 233a	2384 ± 367	2317 ± 283
BUN mmol/L	7.8 ± 0.8	8.4 ± 2.1	7.7 ± 1.5	12.2 ± 1.9	11.5 ± 2.7	8.3 ± 2.1	9.2 ± 1.4

^aP < 0.05, ^bP < 0.01, vs control.