Intestinal trefoil factor(IFF) is a low molecular weight polypeptide expressed in intestine.With the research on its structure and physiological function,ITF is beginning to attract attention.

• 肠三叶因子是特异性分布于肠道的小分子多肽,随着它的空间构象、生理作用的研究深入,愈来愈引起人们的关注。