Drs. Andrew L. Mellor and Lei Huang, Georgia Health Sciences University (image) Medical College of Georgia at Georgia Regents University Share Print E-Mail Caption Drs. Andrew L. Mellor and Lei Huang at Georgia Health Sciences University have shown a system called DNA nanoparticles, used to deliver genes or drugs directly into cells to treat a variety of diseases, may help arthritis without delivering anything. Credit Phil Jones, GHSU Photographer Usage Restrictions None Share Print E-Mail 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.