Cancer cells programmed back to normal by US scientists

Cancer cells have been programmed back to normal by scientists in a breakthrough which could lead to new treatments and even reverse tumour growth. For the first time aggressive breast, lung and bladder cancer cells have been turned back into harmless benign cells by restoring the function which prevents them from multiplying excessively and forming dangerous growths. Scientists at the Mayo Clinic in Florida, US, said it was like applying the brakes to a speeding car.
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