Figure 2. HMW-HA decreases apoptosis of endothelial cells.
(A) Hochest 33342 staining of endothelial cells cultured with serum starvation for 48 h; (B) cytometery analysis of apoptosis of endothelial cells cultured with serum starvation for 48 h; (C) HMW-HA treatment significantly decreases apoptosis of endothelial cells compared with PBS treatment (p < 0.01).