A new study has found the two new genes that influence the risk of women developing breast and ovarian cancer.Scientists at the Spanish National Cancer Research Centre (CNIO) are currently conducting a study that will contribute towards spreading awareness about the genes when they carry BCRA1 and BCRA2 mutations.The researchers have said that these genes could explain why some women with high-risk mutations suffer from cancer while others do not.Ana Osorio, lead author of the study and a researcher in the Human Genetics Group, at CNIO said that the aim is to create a test that includes all known genetic variants that affect the risk of developing cancer, and at what age, in order to be able to compile a personalised profile for each patient.According to the study the DNA variants may be caused by a single change, SNPs (Single-nucleotide polymorphisms), which do not inactivate genes and nor are they pathological in and of themselves, but they can play an important role when high-risk mutations already exist.

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