An International Study on New DNA Variants that Increases the Risk for Breast,Prostate and Ovarian Cancers

press release

".....These results show the enormous complexity of cancer. One example would be hereditary breast cancer, which correlates in most cases with mutations in the BRCA1 and BRCA2 genes. These tumours, however, could be explained by the accumulation of multiple mutations in genes that when appearing alone slightly increase the risk of developing cancer. “These genes would explain why many families have these types of hereditary cancers without the presence of mutations in the BRCA genes,” clarifies Benítez.....