Cell Proliferation (IMAGE) Neural Regeneration Research Caption Cell proliferation decreased after treatment with 50 nmol/L alpha-synuclein for 24 hours. Credit Neural Regeneration Research 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.