[1] Kyoto Univ, Grad Sch Med, Dept Pharmacol, Kyoto 6068501, Japan
[2] Tohoku Univ, Grad Sch Life Sci, Lab Biostruct Chem, Sendai, Miyagi 9818555, Japan
[3] Kyoto Univ, Grad Sch Med, Dept Surg, Kyoto 6068501, Japan
[4] Kitano Hosp, Dept Gastroenterol Surg & Oncol, Osaka 5308480, Japan
[5] Inst Curie, Equipe Morphogenese & Signalisat Cellulaires, F-75248 Paris, France
[6] Osaka Med Ctr Canc & Cardiovasc Dis, Dept Biol, Osaka 5378511, Japan
[7] Aichi Canc Ctr, Res Inst, Div Mol Pathol, Nagoya, Aichi 4648681, Japan