A new therapy mounts a double-barreled attack on leukemia, targeting not just the cancer cells but also the environment in which those cells live and grow, University of Florida researchers report. Like striking an enemy camp directly as well as cutting off its source of food and other resources, the agent, called Oxi4503, poisons leukemia cells and destroys the blood vessels that supply them with oxygen and nutrients. Use of the treatment in mouse models of acute myelogenous leukemia, or AML, is described online and in an upcoming print issue of the journal Blood... 
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