'Good cholesterol' may protect liver (IMAGE) Washington University School of Medicine Caption A new study from Washington University School of Medicine in St. Louis shows that a type of "good cholesterol" called HDL3, when produced in the intestine, protects the liver from inflammation and injury. First author Yong-Hyun Han, PhD, (left) and co-author and Washington University surgical resident Emily Onufer, MD, work in the surgical suite where the mouse surgeries were conducted as part of this study. Han did this work while a postdoctoral researcher in the lab of senior author Gwendalyn Randolph, PhD. Credit Brad W. Warner 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.