Leukemia Cells (IMAGE) Cincinnati Children's Hospital Medical Center Caption This microscopic image shows MLL-AF9 leukemia cells. Scientists who conducted extensive genetic and biochemical tests on the cells report in the Journal of Experimental Medicine identifying a potential treatment target for the aggressive, high-relapse leukemia. Credit Cincinnati Children's 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.