Fig. 6. Dose–response curve (a) of the PEO inhibitory effect on (b) αv-, α5β1-, and αvβ3-induced tubulogenesis on human microvascular endothelial cell (HMEC-1). Data shown are means ± SD of three experiments performed in triplicate and difference between treated and untreated (control) cells was considered statistically significant at **P < 0.01; ***P < 0.001.
