Jairam K.P. Vanamala, Penn State (IMAGE) Penn State Caption Jairam K.P. Vanamala, associate professor of food science in Penn State's College of Agricultural Sciences, leads a research study interested in targeting stem cells with grape compounds. Theory suggests that cancer stem cells drive cancerous tumors. Credit Patrick Mansell 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.