cell function nonhuman 110 priority journal 94 article 90 Animals 88 controlled study 88 animal cell 68 human 58 Humans 52 unclassified drug 46 Mice 44 mouse 44 animal experiment 42 protein expression 40 signal transduction 40 female 32 human cell 30 Female 28 animal 26 metabolism 26 protein function 26 Article 24 Signal Transduction 22 animal tissue 22 cell differentiation 22 animal model 20 apoptosis 20 messenger RNA 20 phenotype 20 rat 20