Cell Transitions (IMAGE) Virginia Tech Caption Understanding cell transformation can help clinical researchers tackle medical problems. The images show how a growth factor caused cells to change forms and regroup from tight packs of epithelial cells to more mobile, loose arrays of mesenchymal cells -- information useful for studying cancer and wound healing. Credit Jingyu Zhang 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.