How gene editing is transforming cancer therapy

On 28 October, Professor Lu You, an oncologist at West China Hospital in Chengdu, made history. He became the first doctor to treat a patient with a new gene-tinkering technique called CRISPR.

Immune cells were removed from the lung cancer patient, and their DNA edited to make them better at attacking the disease. The souped-up immune cells were then injected back into the patient.

The world's medical community is holding its breath to find out

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