A New Mechanism in Signal Transduction (IMAGE) University of Massachusetts Amherst Caption UMass Amherst molecular biologists outline how GPI-anchored proteins chaperone a receptor to the cell surface and act as its co-receptor for multiple signaling pathways. Credit UMass Amherst 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.