DNA Drug (IMAGE) City of Hope Caption DNA drug (CpG-STAT3 antisense, red) is penetrating human prostate cancer cells within 15 minutes of exposure (CpG-STAT3 antisense, red; intracellular vesicles, green). Credit City of Hope Usage Restrictions Please use credit as is. 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.