PI3-K in the Intestine (IMAGE) Rockefeller University Press Caption In this image of tissue from the intestinal wall of healthy mice, PI3-K is detectable (green) along with the presence of internalin A receptors (red). Credit Gessain et al., 2015 Usage Restrictions Reporters may freely use these materials in news coverage, with the appropriate credit information. 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.