Cell Cycle|Cell Cycle Proteins|Cell Division|Cells, Cultured|Cyclin D1|Cyclin-Dependent Kinase Inhibitor p21|Cyclin-Dependent Kinase Inhibitor p27|Endothelial Cells|Human Umbilical Vein Endothelial Cells|Humans|Protein Binding|Protein Interaction Maps|Tumor Necrosis Factor-alpha|Vascular Endothelial Growth Factor A