Formation of vascular network structures within cardiac cell sheets from mouse embryonic stem cells.

"Conflict of interest Teruo Okano, Ph.D. is a founder and a member of the board of CellSeed Inc., which has licenses for certain cell sheet-related technologies and patents from Tokyo Women's Medical University. Teruo Okano and Tatsuya Shimizu are stakeholders in CellSeed Inc. Tokyo Women's Medical University receives research funding from CellSeed Inc."

"This work was funded by a grant from the Japan Society for the Promotion of Science through the Funding Program for World-Leading Innovative R&D on Science and Technology (FIRST Program), initiated by the Council for Science and Technology Policy, and a grant from Projects for Technological Development in Research Center Network for Realization of Regenerative Medicine of the Japan Science and Technology Agency."