Enhanced accumulation of reduced glutathione by Scopoletin improves survivability of dopaminergic neurons in Parkinson's model Cell Death & Disease Figure 1 from The Role of Oxidative Stress in Parkinson's Disease Semantic Scholar Frontiers Cerebrospinal fluid biochemical studies in patients with Parkinson's disease: toward a potential search for biomarkers for this disease Parkinson's disease and glucose metabolism impairment Translational Neurodegeneration Springer Nature Link