The present invention relates to a composition for preventing or treating cancer, comprising Wnt decoy receptors as active ingredients. The composition or expression products thereof according to the present invention are bound to Wnt ligands to block ligand-receptor interactions, thereby inhibiting carcinogenesis and the growth, proliferation, and metastasis of cancer and inducing apoptosis in cancer cells, and thus may be valuably used as an efficient anti-cancer composition.Cette invention concerne une composition destinée à prévenir ou à traiter le cancer, comprenant des récepteurs leurres de Wnt à titre de principes actifs. La composition selon linvention ou ses produits dexpression se lient aux ligands Wnt pour bloquer les interactions ligand-récepteur, inhibant ainsi la carcinogenèse et la croissance, la prolifération, et la métastase du cancer et induisant lapoptose au sein des cellules cancéreuses. Ils peuvent par conséquent être utilisés de manière utile à titre de composition anticancéreuse efficace.본 발명은 Wnt 유인 수용체를 유효성분으로 포함하는 암의 예방 또는 치료용 조성물에 관한 것이다 본 발명의 조성물 또는 이의 발현 산물은 Wnt 리간드에 결합하여 리간드-수용체 상호작용을 차단함으로써 암의 발생, 성장, 증식 및 전이를 억제하고 암세포의 사멸을 유도함으로써 효율적인 항암 조성물로 유용하게 이용될 수 있다.