virus (1) spectacle (1) perte (1) gène (1) embryogénèse (1) maladie (1) différenciation (1) adulte (1) Differentiation (1) Development (1) Control (1) Area (1) Observations (1) Observations (1) Cases (1) Transcription factors (1) Substantia nigra (1) Area (1) Transduction (1) Transcription (1) Scarcity (1) Play (1) Parkinson's disease (1) Neurons (1) Nervous system--Degeneration (1) Mice (1) Mesencephalon (1) Maintenance (1) Functions (1) Expression (1)