Lung fibrosis (IMAGE) La Jolla Institute for Immunology Caption A protein called TL1A drives fibrosis in several mouse models, making it harder for lungs and airways to function normally. Credit La Jolla Institute for Immunology 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.