Anesthetics, Inhalation 8 Animals 8 nonhuman 8 5 aminolevulinate synthase 6 5-Aminolevulinate Synthetase 6 Heme 6 Isoflurane 6 Liver 6 Mice 6 article 6 enzyme activity 6 isoflurane 6 male 6 Aminolevulinic Acid 4 Cytochrome P-450 Enzyme System 4 Cytochrome P450 4 Enflurane 4 Heme Oxygenase (Decyclizing) 4 Heme metabolism 4 Hydroxymethylbilane Synthase 4 Male 4 anesthesia 4 animal experiment 4 animal tissue 4 controlled study 4 drug metabolism 4 enflurane 4 enzyme induction 4 heme 4 heme oxygenase 4