A3 International Meeting on Nanotherapeutics and Regenomics was taken place at Ewha Womans University in Seoul, Korea, on Sept 16, 2015. Drs. Akiyama, Nakayama, Kobayashi, and Nagase attended this meeting. In this meeting, Drs. Akiyama, Nakayama and Nagase reported their research progress as Japanese A3 researchers.