Hippocampal Neurons (IMAGE) Neural Regeneration Research Caption After hippocampal neurons were treated with amyloid-beta (23-25) for 2 days, viable cells exhibited regular and round nuclei with pallid blue fluorescence, whereas apoptotic cells (arrows) were characterized by condensation and fragmentation of nuclei. 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.