Calcium-Calmodulin-Dependent Protein Kinases/drug effects; Cytoskeletal Proteins/drug effects; DNA-Binding Proteins/drug effects; Gene Expression Regulation/drug effects; Lithium/metabolism; Neurons/drug effects; Trans-Activators; Transcription Factors/drug effects; Transcription, Genetic/drug effects; Animals; Antimanic Agents/pharmacology; Brain/drug effects; Brain/metabolism; Brain/physiopathology; Calcium-Calmodulin-Dependent Protein Kinases/genetics; Calcium-Calmodulin-Dependent Protein Kinases/metabolism; Cell Size/drug effects; Cell Size/genetics; Cytoskeletal Proteins/genetics; Cytoskeletal Proteins/metabolism; DNA-Binding Proteins/genetics; DNA-Binding Proteins/metabolism; Depression/drug therapy; Depression/metabolism; Depression/physiopathology; Energy Metabolism/drug effects; Energy Metabolism/genetics; Gene Expression Regulation/physiology; Genes, Reporter; Glycogen Synthase Kinase 3; Glycogen Synthase Kinases; Lithium Chloride/pharmacology; Luciferases/genetics; Lymphoid Enhancer-Binding Factor 1; Neurons/metabolism; PC12 Cells; Rats; Transcription Factors/genetics; Transcription Factors/metabolism; Transcription, Genetic/physiology; Transfection; beta Catenin