Wnt Morphogen Gradient (IMAGE) Osaka University Caption Cells producing noise in the Wnt morphogen gradient are sensed by neighboring cells through E-cadherin and then eliminated through the Smad-ROS (reactive oxygen species) axis. Credit Osaka University 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.