Scientists from the German Cancer Research Center systematically investigated the DNA of more than 2,600 tumor samples from patients with 38 different types of cancer to discover traces of viruses — which they found in 13% of the samples studied. The researchers also identified mechanisms that the pathogens use to trigger carcinogenic mutations in the DNA. The work is part of the Pan-Cancer Analysis of Whole Genomes (PCAWG).

Source: Viruses and cancer — systematic overview published

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