Proteins in blood could warn of cancer seven years before diagnosis, scientists find

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Doctors welcome the 'important' discovery and say it is a 'crucial first step' towards offering preventative therapies.

Scientists have identified proteins in the blood which could warn people of cancer more than seven years before it is diagnosed. Researchers found 618 proteins linked to 19 types of the disease, including bowel, prostate and breast cancers. Some 107 of the proteins were found in a group of people whose blood was collected at least seven years before diagnosis.

'We now have technology that can look at thousands of proteins across thousands of cancer cases, identifying which proteins have a role in the development of specific cancers, and which might have effects that are common to multiple cancer types.' Dr Iain Foulkes, executive director of research and innovation at Cancer Research UK, said: 'Preventing cancer means looking out for the earliest warning signs of the disease.

 

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