STING (IMAGE) UT Southwestern Medical Center Caption Researchers discovered that the protein STING has important functions besides activating the type 1 interferon (IFN) response in infection and cancer. Credit Graphical abstract from the journal Immunity. 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.