Method for treating synovial sarcoma using sirna for fzd10

A method for inhibiting or reducing an expression of FZD10 gene is provided. Also, a method for treating and/or preventing FZD10-associated disease in a subject is provided. Further provided is a pharmaceutical composition comprising an double-stranded RNA molecule for FZD10 or an expression vector capable of expressing a double-stranded RNA molecule for FZD10.