Five new breast cancer genes and range of mutations pave way for personalised treatment Ovarian Cancer and Us OVARIAN CANCER and US Ovarian Cancer and Us

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Monday, May 02, 2016

Five new breast cancer genes and range of mutations pave way for personalised treatment



medical news

The largest-ever study to sequence the whole genomes of breast cancers has uncovered five new genes associated with the disease and 13 new mutational signatures that influence tumour development. The results of two papers published in Nature and Nature Communications also reveal what genetic variations exist in breast cancers and where they occur in the genome.
Dr Serena Nik-Zainal of the Wellcome Trust Sanger Institute led analysis of 560 breast cancer genomes; 556 from women and four from men. This international collaboration included breast cancer patients from around the world, including the USA, Europe and Asia.
The results reveal more about the causes of breast tumours and provide evidence that breast cancer genomes are highly individual......

 Dr Nik-Zainal's team hunted for mutations that encourage cancers to grow and looked for mutational signatures in each patient's tumour. They found that women who carry the BRCA1 or BRCA2 gene, and so have increased risk of developing breast and ovarian cancer, had whole cancer genome profiles that were highly distinctive from each other and were also very different to other breast cancers. This discovery could be used to classify patients more accurately for treatment.

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