PROBLEM TO BE SOLVED: To provide a pharmaceutical composition useful for prevention and treatment of polycystic kidney disease.SOLUTION: The present invention provides a pharmaceutical composition for prevention or treatment of polycystic kidney disease (PKD) comprising neutrophil gelatinase-associated lipocalin (NGAL).SELECTED DRAWING: None【課題】多発性嚢胞腎の予防および治療のために有用な医薬組成物の提供。【解決手段】好中球ゼラチナーゼ結合性リポカリン（ＮＧＡＬ）を含む、多発性嚢胞腎（ＰＫＤ）の予防または治療用の医薬組成物。【選択図】なし
