Reuters
The cancer, called T-cell acute lymphoblastic leukemia or T-ALL, is cured about 75 percent of the time with chemotherapy, but it is a toxic treatment that leaves children vulnerable to other health problems later in life.
Andrew Weng of Brigham and Women's Hospital and Harvard Medical School (news - web sites) in Boston discovered that mutations in a gene called NOTCH1, which made it overactive, could be found in nearly 60 percent of all T-ALL tumors.
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