Ms. Min-Jeong Kim and Hyokyoung Kwon, Ewha Womans University, visited Tokyo Women’s Medical University from June 19 to July 2, 2016. During the stay, they transferred their technology of transfecting nucleotides using non-viral vectors to our team. This is collaboration work with Assist. Prof. Hyukjin Lee, Ewha Womans University, for accelerating vascularization within cell sheet-based tissues.