Preventing Graft vs. Host Disease (image) University of Michigan Health System Caption Pavan Reddy, M.D., a University of Michigan researcher, led a study in mice showing that drugs known as HDAC inhibitors show promise in preventing graft vs. host disease. Credit U-M Photo Services: Martin Vloet Usage Restrictions None 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.