Liver (IMAGE) Proceedings of the National Academy of Sciences Caption This is a microscopic image of the liver with restored arginase expression as demonstrated by red fluorescing liver cells. Credit Image courtesy of Brian Truong Usage Restrictions None 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.