Formation of Cells (IMAGE) Neural Regeneration Research Caption This shows differentiation and colony formation of cells in the presence of 15 µg/mL hydrolyzed collagen. 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.