Parkinson's Disease (IMAGE) Johns Hopkins Medicine Caption Second row shows how rapamycin dampens alpha-synuclein protein production in a magnified area of a mouse brain Credit Mohammed Khan and Ted Dawson, Johns Hopkins Medicine Usage Restrictions N/A License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.