Arginine (IMAGE) Osaka University Caption Arginine suppresses the compound eye degeneration of SCA3 model fly (MJDtr-Q78(S)). Expression of an expanded polyglutamine protein leads to neuronal degeneration in the compound eye of SCA3 model fly (upper right) compared with the wild-type control fly (upper left). Arginine administration suppresses this compound eye degeneration (bottom). Credit <i>Brain</i> Usage Restrictions None License Licensed 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.