RPE cells (IMAGE) Karolinska Institutet Caption Retinal cells stained for the identified surface marker CD140b in green (image from Fredrik Lanner's research group) Credit Fredrik Lanner Usage Restrictions The image may only be used in connection to reports about this study 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.