Figure 3From: Preeclampsia serum upregulates CD40/CD40L expression and induces apoptosis in human umbilical cord endothelial cellsEffects of normal and PE sera on CRL1730 cell apoptosis. Apoptosis was determined in CRL1730 cells treated with serum from normal and PE pregnant women using Annexin V and PI double staining methods. A) 24-h normal pregnant group; B) 48-h normal pregnant group; C) 72-h normal pregnant group; D) 24-h PE group; E) 48-h PE group; and F) 72-h PE group. A representative image from three independent experiments is shown.Back to article page