Blood proteins 'warn of cancer 7 years before diagnosis'

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Researchers have discovered proteins in the blood that could warn people of cancer more than seven years before it is diagnosed.

The scientists identified 618 proteins linked to 19 types of cancer including bowel, prostate and breast cancers.

Professor Ruth Travis, senior molecular epidemiologist at Oxford Population Health and a senior author of both studies, said:"To be able to prevent cancer, we need to understand the factors driving the earliest stages of its development. 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.

The team used proteomics - the study of proteins to help learn how cancer develops and spreads - to analyse a set of 1,463 proteins from a single sample of blood from each person. In the second study, the researchers looked at genetic data from more than 300,000 cancer cases to analyse which blood proteins were involved in cancer development and could be targeted by new treatments.

 

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