Animals 4 Article 4 animal 4 animal experiment 4 animal tissue 4 controlled study 4 hippocampus 4 in vitro study 4 metabolism 4 nonhuman 4 rat 4 stratum radiatum 4 unclassified drug 4 3-hydroxy-2,19-epoxypregnan-20-one 2 3-hydroxy-6,19-epoxypregn-4-ene-20-one 2 3alpha hydroxy 2beta, 19 epoxy 5alpha pregnan 20 one 2 3alpha hydroxy 5alpha pregnan 20 one 2 3alpha hydroxy 6,19 epoxypregn 4 ene 20 one 2 4 aminobutyric acid A receptor 2 4 aminobutyric acid A receptor stimulating agent 2 AD 2 Alzheimer Disease 2 Alzheimer disease 2 Amyloid beta-Peptides 2 Astrocytes 2 Autophagy 2 Autoradiography 2 Bicyclo Compounds, Heterocyclic 2 Binding, Competitive 2 C57BL mouse 2