Figure 7From: Progesterone Inhibits the Growth of Human Neuroblastoma: In Vitro and In Vivo EvidenceEffect of P4 treatment on tumor vascularization. Tumor tissue sections were fluorescence stained with anti-CD31 antibody (endothelial marker) and counter-stained with di aminido phenyl indol (DAPI). Representative photomicrographs of different groups are shown: vehicle (A), P4 (50 mg) (B) and P4 (100 mg) (C). The arrow shows CD31-positive endothelial cells.Back to article page