Fibrillar Amyloid-Beta 40 (IMAGE) Neural Regeneration Research Caption Fibrillar amyloid-beta 40 (3) generated reactive oxygen species in hippocampal neurons, and humanins (6) could block the effect of fibrillar amyloid-beta 40 on reactive oxygen species at 12 days after treatment. Credit <i>Neural Regeneration Research</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.