Identification of endothelial cells by immunofluorescent labeling. EPC morphology changed from spindle to rounded or irregular in shape, until the cells were very closely located and became cobblestone-shaped. The EPCs were negative for the stem cell marker CD133. A, D and G. Phase contrast; B,E and H. Merge; C. CD34+; F. KDR +; H. CD133-.
Bai et al. BMC Veterinary Research 2012 8:54 doi:10.1186/1746-6148-8-54