A Welcome Mat for Cells (image) Michigan Technological University Caption Highly aligned nanofibers created by fibroblasts form a biological scaffold which could prove an ideal foundation for engineered tissues. Stem cells placed on the scaffold thrived, and it had the added advantage of provoking a very low immune response. Credit Feng Zhao Usage Restrictions None 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.