article priority journal polyacrylamide gel electrophoresis Mice nonhuman Activation analysis Active Transport, Cell Nucleus Animals Apoptosis Binding Sites Biochemical engineering Blotting, Western Cell Cycle Cell Line Cell Nucleus DNA DNA Damage DNA damage DNA repair Electrophoresis, Polyacrylamide Gel Enzyme Inhibitors Extracellular Matrix Fluorescent Antibody Technique, Indirect Fos activation kinase Gene expression Genes, Reporter Genetic engineering Glutathione Transferase HeLa cell Hela Cells