Semenkovich and Lodhi (IMAGE) Washington University School of Medicine Caption Clay F. Semenkovich, MD (left), and Irfan J. Lodhi, PhD, have discovered that enzymes linked to diabetes and obesity appear to play key roles in arthritis and leukemia, potentially opening up new avenues for treating these diseases. Credit Robert Boston 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.