Sika Zheng (IMAGE) University of California - Riverside Caption Sika Zheng is an associate professor of biomedical sciences at UC Riverside. Credit Zheng lab, UC Riverside. 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.