Carrier Proteins/genetics; Cyclic AMP/metabolism; Cytokines/genetics; Nerve Degeneration/metabolism; Nerve Growth Factors/metabolism; Neurons/metabolism; Substantia Nigra/metabolism; Animals; Carrier Proteins/physiology; Cells, Cultured; Cytokines/physiology; Dopamine/metabolism; Drug Resistance/genetics; Enzyme Activation/physiology; Gene Expression Profiling; Gene Expression Regulation/physiology; Gene Library; Genetic Predisposition to Disease/genetics; Membrane Glycoproteins/genetics; Nerve Degeneration/pathology; Nerve Degeneration/physiopathology; Nerve Tissue Proteins/genetics; Neurons/pathology; Oligonucleotide Array Sequence Analysis; Parkinsonian Disorders/metabolism; Parkinsonian Disorders/pathology; Parkinsonian Disorders/physiopathology; Peptide Hydrolases/metabolism; Protein Tyrosine Phosphatases/genetics; Proteoglycans/genetics; Rats; Receptor-Like Protein Tyrosine Phosphatases, Class 5; Substantia Nigra/pathology; Substantia Nigra/physiopathology; Syndecan-3