Paulson Prabhu and Robert Paulson, Penn State (image) Penn State Share Print E-Mail Caption Penn State researchers Sandeep Prahbu (right) and Robert Paulson (left) sketch out a delta-12-protaglandin J3, or D12-PGJ3. The compound, derived from fish oil, targeted and killed the stem cells of chronic myelogenous leukemia, or CML, in mice. Credit Pat Mansel, Penn State Usage Restrictions Non Commercial use only Share Print E-Mail 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.