Common genetic variation and breast cancer Risk—Past, present, and future

Research output: Contribution to journalEditorial

26 Scopus citations

Abstract

Breast cancer is the most common cancer among women in the United States, with up to 30% of those diagnosed displaying a family history of breast cancer. To date, 18% of the familial risk of breast cancer can be explained by SNPs. This review summarizes the discovery of risk-associated SNPs using candidate gene and genome-wide association studies (GWAS), including discovery and replication in large collaborative efforts such as The Collaborative Oncologic Gene-environment Study and OncoArray. We discuss the evolution of GWAS studies, efforts to discover additional SNPs, and methods for identifying causal variants. We summarize findings associated with overall breast cancer, patho-logic subtypes, and mutation carriers (BRCA1, BRCA2, and CHEK2). In addition, we summarize the development of polygenic risk scores (PRS) using the risk-associated SNPs and show how PRS can contribute to estimation of individual risks for developing breast cancer.

Original languageEnglish (US)
Pages (from-to)380-394
Number of pages15
JournalCancer Epidemiology Biomarkers and Prevention
Volume27
Issue number4
DOIs
StatePublished - Apr 1 2018

ASJC Scopus subject areas

  • Epidemiology
  • Oncology

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