Fig.2: Antitumor Effects (IMAGE) Osaka University Caption Comparative testing: saline solution (control), block copolymer only, block copolymer and ubenimex are administered to mice with hepatic cancer. Days after drug administration and tumor growth in hepatic cancer mice show that hepatic cancer cells significantly reduce in mice that received block copolymer and ubenimex. Credit Osaka University 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.