PROBLEM TO BE SOLVED: To provide a renal cancer diagnostic drug containing anti-TLR 3 antibody, and a renal cancer curative drug using TLR 3 agonist as an effective component.SOLUTION: This invention is different from a conventional remedy of a cancer via activation by a ligand, such as a dendritic cell, which is a natural immunity-responsible cell, and has the characteristics wherein the anti-TLR 3 antibody is reacted with a sample collected from a subject, or the anti-TLR 3 antibody is administered to the subject, to thereby detect a TLR 3 protein.COPYRIGHT: (C)2008,JPO&INPIT【課題】腎癌の診断薬および治療薬の提供。【解決手段】抗TLR3抗体を含有する腎癌診断薬、およびTLR3アゴニストを有効成分とする腎癌治療薬を提供する。【選択図】なし