Salk Institute -- Shaw Lab -- AMPK Tfe3 (IMAGE) Salk Institute Caption Genetically engineered lung tumors (solid purple) within the native lung environment are shown. Credit Salk Institute Usage Restrictions with credit and related coverage. 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.