Study Finds New Clues About Causes of Cancer

Analysis of thousands of tumours has unveiled a treasure trove of clues about the causes of cancer, representing a significant step towards the personalisation of treatment. The Guardian: Researchers say that for the first time it is possible to detect patterns -- called mutational signatures -- in the DNA of cancers. These provide clues including about whether a patient has had past exposure to environmental causes of cancer such as smoking or UV light, for example. This is important as these signatures allow doctors to look at each patient's tumour and match it to specific treatments and medications. However, these patterns can be detected only through analysis of the vast amounts of data unearthed by whole genome sequencing -- identifying the genetic makeup of a cell.

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