Drs. Nakayama, Akiyama, Kobayashi, Nagase, and Takahashi attended 2016 Annual A3 Symposium at Tianjin, China (Oct 17, 2016). Drs. Kobayashi, Nagase, and Takahashi made presentations about the recent progress of cell sheet-based tissue engineering. Presentations from Chinese and Korean members were also provided to share A3 research progress.