Cancer stem cells identified. Theory of small subset of cancer cells that are solely responsible for driving the growth and evolution of a patient's cancer possibly confirmed

The gene mutations driving cancer have been tracked for the first time in patients back to a distinct set of cells at the root of cancer -- cancer stem cells. The international research team studied a group of patients with myelodysplastic syndromes -- a malignant blood condition which frequently develops into acute myeloid leukemia. The researchers say their findings offer conclusive evidence for the existence of cancer stem cells.

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