Scientists are having extraordinary success treating cancer with new vaccines they believe could be a ‘game-changer’ in the battle against the disease.
They have worked out how to teach the body’s immune system to identify cancer cells, allowing patients to be primed to destroy cancer. In one case an American woman given just weeks to live was cleared of advanced blood cancer. She is still alive three years later, and her doctor says she is not a one-off. British researchers are now working on a related approach. Both methods involve taking T-cells, which fight infection, and giving them the ability to recognise a special tag on the surface of cancer cells, called the WT1 protein. The research is being carried out on patients with leukaemia. But the scientists hope their vaccines will eventually be used to fight many types of cancer, including that of breast, bowel and prostate – whose cells tend to have WT1 on their surfaces.
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