Elena Oancea, Brown University (IMAGE) Brown University Caption Brown University professor Elena Oancea has led a group studying the protective response that skin cells called melanocytes mount in response to ultraviolet light exposure. Credit Michael Cohea/Brown University Usage Restrictions With credit 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.