Article 8 animal experiment 8 animal tissue controlled study 8 female nonhuman 8 animal model 7 Animals 6 animal 6 mouse 6 Female 5 Mice 4 adult 4 male 4 metabolism 4 Humans 3 animal cell 3 human 3 in vivo study 3 Behavior, Animal 2 C57BL mouse 2 Cell Line, Tumor 2 Disease Models, Animal 2 Hippocampus 2 Male 2 Mice, Inbred C57BL 2 animal behavior 2 breast cancer 2 cancer staging 2 dendritic spine 2