26 March 2013
Vol 6, Issue 268

About The Cover

Cover image expansion

Online Cover This week begins a two-issue series that focuses on how increasing our understanding of how signaling pathways are altered in cancer cells will enable researchers to develop more effective therapies. In a Research Article in this issue, Hartzell et al. found that the Ras-activating protein RasGRP1, which promotes leukemogenesis, was increased in abundance in pediatric T cell acute lymphoblastic leukemia/lymphoma (T-ALL) patients. [Image: Jessica Key/iStockphoto]