Gut microbiota and Parkinson's disease: exploring pathogenesis and potential therapeutic strategies from a gut brain axis perspective ScienceDirect Parkinson's disease specific Synuclein variants potentially drive Lewy body formation by engaging in promiscuous and non functional interactions Communications Biology Higherdose glutathione therapy for Parkinson's disease in Japan: Is it really safe? Naito 2010 Movement Disorders Wiley Online Library Randomized, double'blind, pilot evaluation of intravenous glutathione in Parkinson's disease