3,3',5' triiodothyronine Animals Complexation Cyclin D1 Cytosol Electron Transport Complex I Electrons Electrophoresis, Polyacrylamide Gel HSP90 Heat-Shock Proteins Hormones Hypothyroid Hypothyroidism Immunoblotting Immunoprecipitation Liver MAP Kinase Signaling System Male Metabolism Microscopy, Immunoelectron Mitochondria Mitochondria, Liver Mitochondrial complex I Models, Chemical NG-Nitroarginine Methyl Ester Neurology Neuronal nitric-oxide synthase Nitric Oxide Synthase Nitric Oxide Synthase Type I Nitric acid Oxidants