Models, Biological article priority journal nonhuman 88 Animals 56 controlled study 56 Humans 54 human 44 human cell 32 Protein Binding 30 Time Factors 30 biological model 30 metabolism 28 unclassified drug 28 Transfection 26 animal cell 24 Mice 22 Proteins 22 Signal Transduction 20 protein expression 20 Female 18 Kinetics 18 enzyme activation 18 transcription regulation 18 Blotting, Western 16 Cell Line 16 Cell Nucleus 16 Genes, Reporter 16 Rats 16 gene expression 16