Trefoil factor 1(TFF1), a member of the trefoil factor family, is a growth factor like small polypeptide.

• 三叶因子1(TFF1)属三叶因子家族,是近年来被人们注意到的具有胃肠道粘膜保护及修复作用的生长因子类小分子多肽物质。