RTL6 proteins in a mouse brain (IMAGE) The Company of Biologists Caption The RTL6 proteins, shown in green, guard the mouse brain capillaries (the branch-like structures in black) against ‘infection’ by clustering around the magenta-coloured bacterial mimic. Credit Image courtesy of Tomoko Kaneko-Ishino Usage Restrictions Credit must be given to the creator. License CC BY 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.