Table 1.

The ratio of markers expression in hAECs isolated and cultured in the serum-free system (%).

Pluripotent marker	SSEA-4	79.6±10.3
	TRA-1-60	6.5±2.8
Hematopoietic marker	CD34	0.6±0.2
	CD45	0.4±0.2
Endothelial marker	CD31	0.5±0.3
Mesenchymal stem cell marker	CD29	99.3±0.8
	CD166	99.3±0.5
	CD90	40.4±27.5
MHC-II marker	HLA-DR	0.3±0.1
	HLA-DQ	0.3±0.2