Objective To study the role and significance of enteral nutrition to the expression of TGF-β1 in the mucosa of the small intestine of rats with obstructive jaundice.Methods 40 Wistar rats were randomly divided into normal control group,sham operated group,obstructive jaundice(OJ) group,and obstructive jaundice group with Nutrition(OJ+EN).The OJ+EN group was supplied with enteral nutrition for 10 days,with the total energy supply at 630 kJ/(kg·d)and the nitrogen content at 1.0 g/(kg·d).The expression of TGF-...