Mechanism of L-arginine effect (IMAGE) Niigata University Caption L-arginine inhibits the aggregation of polyglutamine proteins in neuronal cells. Credit Niigata University Usage Restrictions The image may only be used with appropriate caption or credit 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.