IL-33 in Damaged Liver (IMAGE) Cell Press Caption This image demonstrates that the factor IL-33 (brown cells) is present in livers after chronic damage. Credit <I>Immunity</I>, Mchedlidze et al. Usage Restrictions Credit Required 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.