Animals 1 Bile Acids and Salts 1 Cholestasis 1 Disease Models, Animal 1 Female 1 G protein coupled receptor 1 GTP-Binding Protein alpha Subunits, Gi-Go Gpbar1 protein, mouse 1 Heart Rate, Fetal 1 Liver 1 Mice 1 Myocytes, Cardiac 1 Pregnancy 1 Receptors, G-Protein-Coupled 1 Receptors, Muscarinic 1 Signal Transduction 1 animal 1 bile acid 1 cardiac muscle cell 1 cholestasis 1 disease model 1 female 1 fetus heart rate 1 genetics 1 inhibitory guanine nucleotide binding protein 1 liver 1 metabolism 1 mouse 1 muscarinic receptor 1 pathology 1