Tumor Suppressor Protein p53 52 protein p53 48 Humans 46 article 40 human 40 controlled study 38 priority journal 38 Cell Line, Tumor 26 human cell 26 protein expression 26 protein function 26 nonhuman 24 Animals 20 metabolism 20 Cell Line 18 protein binding 18 unclassified drug 18 Apoptosis 16 Protein Binding 16 enzyme activity 16 in vivo study 16 protein protein interaction 16 apoptosis 14 cell line 14 cell proliferation 14 protein domain 14 protein localization 14 signal transduction 14 Cytoplasm 12 Protein Structure, Tertiary 12