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Representative images of human umbilical vein endothelial cell nuclear morphology, as evaluated by DAPI staining. (A) Control, (B) 400 µM H2O2 and (C) 1 µg/ml Astragalus polysaccharide + 400 µM H2O2 groups. Magnification, ×200. Arrows point to HUVECS displaying apoptotic nuclei.
