How Do Immune Cells Get Activated? (IMAGE) Université de Genève Caption Stylized image of the active form of the receptor (in white) bound to a modified chemokine (in green). In pink, a part of the cell signaling machinery. Credit ©UNIGE- Laboratoire Hartley 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.