Table 1. Distribution of pro-MMP-2 and -9 gelatinolytic activities in mucosa samples from duodenum, jejunum, ileum and colon of 12 healthy dogs AU: arbitrary units, Pro: pro-enzyme.

Intestinal part	Variable	Dog’s No
		1	2	3	4	5	6	7	8	9	10	11	12
Duodenum	Pro-MMP-2 (AU)	0	0	0	0	4.30	0	0	0	0.51	1.46	0	0
	Pro-MMP-9 (AU)	0.23	0	0	0	0	0.04	0	0	5.68	5.42	0.62	0
Jejunum	Pro-MMP-2	0	0	0	0	6.45	0.58	1.53	0.23	0.23	0	0	0
	Pro-MMP-9	0.02	0	0	0	0	0	1.09	0.18	2.81	0.02	0	0.73
Ileum	Pro- MMP-2	0.15	0.29	0	0	0	0.56	0	3.34	0.20	0.50	0	1.88
	Pro-MMP-9	0.59	0	1.44	0.06	0	0.10	0	0.62	0.18	0.08	0.09	0
Colon	Pro-MMP-2	0.15	0	0	0	0	0	0	0	0	0	0	0.03
	Pro-MMP-9	1.65	0	0.14	0.09	0	0	0	0	0.04	0.05	0	0.04