Mesenchymal stem cells administered in the early phase of tumorigenesis inhibit colorectal tumor development in rats

Takayuki Katsuno, Masahiro Ochi, Kazunari Tominaga^*, Fumio Tanaka, Mitsue Sogawa, Tetsuya Tanigawa, Hirokazu Yamagami, Masatsugu Shiba, Kenji Watanabe, Toshio Watanabe, Yasuhiro Fujiwara, Tetsuo Arakawa