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Evaluating intrinsic and non-intrinsic cancer risk factors

2018; Nature Portfolio; Volume: 9; Issue: 1 Linguagem: Inglês

10.1038/s41467-018-05467-z

2041-1723

Song Wu, Wei Zhu, Patricia Thompson, Yusuf A. Hannun,

Genetic factors in colorectal cancer

Discriminating the contribution of unmodifiable random intrinsic DNA replication errors ('bad luck') to cancer development from those of other factors is critical for understanding cancer in humans and for directing public resources aimed at reducing the burden of cancer. Here, we review and highlight the evidence that demonstrates cancer causation is multifactorial, and provide several important examples where modification of risk factors has achieved cancer prevention. Furthermore, we stress the need and opportunities to advance understanding of cancer aetiology through integration of interaction effects between risk factors when estimating the contribution of individual and joint factors to cancer burden in a population. We posit that non-intrinsic factors drive most cancer risk, and stress the need for cancer prevention.