Penttila, I. A.Flesch, IngeMcCue, A. L.Powell, Barry CZhou, F. H.Read, L. C.Zola, Heddy2015-12-070017-5749http://hdl.handle.net/1885/24275Background and aims: In neonates the gastrointestinal tract is exposed to food and bacterial antigens at a time when the gut mucosal immune system has not developed the ability to induce oral tolerance. This increases the risk for an inappropriate immuneKeywords: B7 antigen; CD86 antigen; cytokine; food antigen; interleukin 18; messenger RNA; transforming growth factor beta; transforming growth factor beta2; animal experiment; animal tissue; article; breast feeding; breast milk; cell activation; cell infiltration;Maternal milk regulation of cell infiltration and interleukin 18 in the intestine of suckling rat pups200310.1136/gut.52.11.15792015-12-07