Spinal Cord nonhuman 36 article 32 priority journal 32 Animals 30 Male 28 animal experiment 28 controlled study 26 Female 24 spinal cord 24 male 22 female 20 mouse 20 Mice 18 animal tissue 18 rat 18 Progesterone 16 Rats 16 animal cell 16 progesterone 16 Disease Models, Animal 14 animal model 14 messenger RNA 14 RNA, Messenger 12 Receptors, Glucocorticoid 12 dexamethasone 12 glial fibrillary acidic protein 12 protein expression 12 Animalia 10 Glial Fibrillary Acidic Protein 10