immunoreactivity nonhuman 120 Animals 94 controlled study 94 priority journal 94 article 86 animal tissue 84 animal experiment 74 male 62 female 52 animal cell 50 Female 48 Male 46 immunohistochemistry 46 protein expression 40 animal 38 rat 36 Humans 34 Immunohistochemistry 34 mouse 34 Mice 32 Rats 32 animal model 32 Article 30 metabolism 30 human 28 adult 26 messenger RNA 26 protein localization 24 signal transduction 24