New Cells (IMAGE) University of Wisconsin-Madison Caption Su-Chun Zhang of the UW-Madison Waisman Center has transplanted human dopamine nerve cells into mice with a model of Parkinson's disease. The new cells, shown in green, responded to two separate drugs that turned them on or off as needed. Credit Su-Chun Zhang, Waisman Center, University of Wisconsin-Madison 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.