PROBLEM TO BE SOLVED: To provide a composition to be used as drugs, foods or cosmetics efficacious for treating inflammation and/or tumor, which has a novel mechanism of action and shows fewer side effects.SOLUTION: The composition comprises a clinically effective amount of a compound belonging to the DIF family or a salt thereof that is acceptable for using in drugs, foods or cosmetics, together with an excipient or carrier that is acceptable for using in drugs, foods or cosmetics.COPYRIGHT: (C)2013,JPO&INPIT【課題】新規な作用機序で、かつ副作用が低減された、炎症及び/又は腫瘍の処置に有効な医薬、食品若しくは化粧品用組成物を提供する。【解決手段】臨床上有効量のDIFファミリーに包含される化合物、又は医薬、食品若しくは化粧品として許容可能なその塩、及び医薬、食品若しくは化粧品として許容可能な賦形剤又は担体を含む組成物を適用する。【選択図】なし