PROBLEM TO BE SOLVED: To provide an agent for treating inflammatory bowel disease and colon cancer.SOLUTION: A peptide contains the following amino acid sequence (I): QLADFRKVGDALKEKYDSAAAMR (I).SELECTED DRAWING: None【課題】炎症性腸疾患、大腸がんの治療薬を提供する。【解決手段】下記のアミノ酸配列(I)QLADFRKVGDALKEKYDSAAAMR (I)を含む、ペプチド。【選択図】なし