article 72 controlled study 68 nonhuman 64 Animals 58 Humans 52 priority journal 50 human 48 protein expression 38 Mice 36 animal cell 36 human cell 36 Cell Cycle 34 cell proliferation 32 mouse 32 cell cycle 30 Cyclin-Dependent Kinase Inhibitor p19 28 DNA Damage 28 Cell Line, Tumor 26 metabolism 26 signal transduction 26 DNA Repair 24 DNA damage 24 DNA repair 24 Signal Transduction 24 apoptosis 24 cyclin dependent kinase inhibitor 2D 24 Apoptosis 22 Cell Cycle Proteins 22 Western blotting 22 enzyme activity 22