Polymersome with MTX (IMAGE) Oregon State University Caption A new drug delivery system shows promise for treating a rare, aggressive form of cancer affecting pregnant women and new mothers. Oregon State's Olena Taratula and collaborators including OSU postdoctoral researcher Babak Mamnoon and Maureen Baldwin, a physician at Oregon Health & Science University, designed a type of drug nanocarrier known as a polymersome to specifically target a protein in choriocarcinoma cells. Depicted is a polymersome with its methotrexate cargo. Illustration by Parinaz Ghanbari. Credit Parinaz Ghanbari Usage Restrictions None License Original 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.