Transgenic vs. Control Mice (IMAGE) University of California - Berkeley Caption Transgenic mice (shown left, marked TG) with overexpressed levels of the Zfp516 protein gained less weight than their unaltered, wild type (WT) counterparts after both groups were fed a high-fat diet for a month. Credit Photo by Jon Dempersmier Usage Restrictions All rights reserved. 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.