A group of American scientists has found a new possibility to cure leukemia a deadly disease that strikes patients as young as seven. In a study published in the Journal Nature Medicine the group from Stanford University and National Institute of Health (NIH) found that a molecule called CD22 can serve as a potent target for the killer cells of acute lymphoblastic leukemia reports Xinhua news agency. The development comes after the US Food and Drug Administration last year approved a cell-based gene therapy namely the CAR T-cell treatment. It works by genetically modifying a patient's own immune cells to