Human liver tissue under a microscope (IMAGE) Weizmann Institute of Science Caption Human liver tissue under a microscope. Compared to healthy donors (left), tissue samples from people with acute liver failure (center, right) reveal a significant increase in levels of the MYC protein (brown) in the cell nuclei (some of which are indicated by arrows) Credit Weizmann Institute of Science 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.