Colonic Crypt Lumen (image) Brigham and Women's Hospital Share Print E-Mail Caption In the absence of claudin-2, clearance of C. rodentium (red) is impaired and bacteria are able to invade the normally-protected colonic crypt lumen. F-actin (green) and DNA (blue). Credit Image courtesy of the Turner laboratory at Brigham and Women's Hospital. Usage Restrictions Reporters may freely use this image in their coverage of this paper with credit to Jerrold Turner, Brigham and Women's Hospital Share Print E-Mail 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.