Gel-coated MSCs (IMAGE) University of Illinois Chicago Caption Gel-coated (red) mesenchymal stromal cells (yellow) can degrade collagen (green) over a distance in the presence of tumor necrosis factor-alpha. Credit Jae-Won Shin and Sing-Wan Wong/UIC 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.