Table 2.

Effect of bacteria on tumour necrosis factor α (TNF-α) release by inflamed ileal tissue from Crohn’s disease patients in the presence of protease inhibitors

	TNF-α (pg/ml)
Blank	51 (6.4)
L casei	19 (1.7)**
L bulgaricus	26 (4.4)**

**p<0.01 versus blank.

Data are mean (SEM) of six organ culture experiments per point. A mix of protease inhibitors was added to the incubation medium of blanks and bacterial cocultures.