T Cell Activation in the Gut (IMAGE) NIH/National Eye Institute Caption Microbiota in the gut activate T cells that are able to recognize retinal proteins. These activated T cells then migrate through the bloodstream to the eye, where they cause the inflammatory response associated with autoimmune uveitis. Credit National Eye Institute Usage Restrictions Just to be clear, only registered reporters with access to embargoed content should have access to this release before the embargo. After the embargo, it should be accessible by all EureakAlert users. 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.