Of the numerous types of cancer, few are more dreaded than acute leukemia. The disease, which often afflicts the young, is characterized by an uncontrolled proliferation of certain white blood cells, which gradually crowd out the vital red blood cells. The cause of this lethal rampage is not yet clear, but what may be a crucial clue has just been reported in Nature by Dr. Robert C. Gallo of the National Cancer Institute. His findings could point the way to a leukemia cure.
Carefully examining the white blood cells of 48 healthy people and three leukemia patients, Gallo and two colleagues−Stringner S....