Combined associations of genetic and environmental risk factors: Implications for prevention of breast cancer

Montserrat Garcia-Closas, Necdet Burak Gunsoy, Nilanjan Chatterjee

Research output: Contribution to journalReview articlepeer-review

73 Scopus citations

Abstract

Genome-wide association studies (GWAS) have identified hundreds of genetic susceptibility loci for cancers and other complex diseases. However, the public health and clinical relevance of these discoveries is unclear. Evaluating the combined associations of genetic and environmental risk factors, particularly those that can be modified, will be critical in assessing the utility of genetic information for risk stratified prevention. In this commentary, using breast cancer as a model, we show that genetic information in combination with other risk factors can provide levels of risk stratification that could be useful for individual decision-making or population-based prevention programs. Our projections are theoretical and rely on a number of assumptions, including multiplicative models for the combined associations of the different risk factors, which need confirmation. Thus, analyses of epidemiological studies with high-quality risk factor information, as well as prevention trials, are needed to empirically assess the impact of genetics in risk stratified prevention.

Original languageEnglish (US)
Article numberdju305
JournalJournal of the National Cancer Institute
Volume106
Issue number11
DOIs
StatePublished - Nov 1 2014
Externally publishedYes

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

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