Figure 7

Confocal immunofluorescence of CD31 in HUVEC differentiated in the TLA assay. Tube-like structures formed by HUVEC in the presence of 25 ng/ml VEGF for 16 h at (A) x20, (B) x40 and (C) x63 magnification with CD31 labelled in red and nuclei in blue. (D) represents secondary antibody control.