Pericytes contribute to the stability of the vascular network of osteogenic tissue formed from cell sheet-based constructs

L. F. Mendes , R. P. Pirraco, W. Szymczyk, T. C. Santos, A. M. Frias, R. L. Reis , A. P. Marques 1,2 3B’s Research Group Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, 4806-909 Taipas, Guimaraes, Portugal, 2 ICVS/3B’s PT Government Associate Laboratory, Guimaraes, Portugal