article 78 cell stimulation 78 controlled study 74 nonhuman 64 priority journal 60 animal cell 48 Animals 46 human 46 human cell 42 protein expression 34 mouse 32 Humans 28 Female 22 cell culture 22 unclassified drug 22 animal experiment 20 in vitro study 20 male 20 nerve cell stimulation 20 Cells, Cultured 18 female 18 messenger RNA 16 protein analysis 16 Mice 14 antigen expression 14 cell line 14 cellular distribution 14 cytokine production 14 cytokine release 14 dendritic cell 14