Mice 22 Mice, Neurologic Mutants nonhuman 22 Animals 20 article 20 mouse 20 priority journal 20 controlled study 18 animal model 14 Disease Models, Animal 12 Female 12 Wobbler mouse 12 animal experiment 12 female 12 motoneuron 12 Male 10 Motor Neurons 10 Progesterone 10 animal tissue 10 drug effect 10 male 10 progesterone 10 protein expression 10 Astrocytes 8 Motor Neuron Disease 8 Spinal Cord 8 animal cell 8 astrocyte 8 mouse mutant 8 Gene Expression Regulation 6