Abstract
Estrogen receptor (ER)-negative tumors represent 20-30% of all breast cancers, with a higher proportion occurring in younger women and women of African ancestry. The etiology and clinical behavior of ER-negative tumors are different from those of tumors expressing ER (ER positive), including differences in genetic predisposition. To identify susceptibility loci specific to ER-negative disease, we combined in a meta-analysis 3 genome-wide association studies of 4,193 ER-negative breast cancer cases and 35,194 controls with a series of 40 follow-up studies (6,514 cases and 41,455 controls), genotyped using a custom Illumina array, iCOGS, developed by the Collaborative Oncological Gene-environment Study (COGS). SNPs at four loci, 1q32.1 (MDM4, P = 2.1 × 10(-12) and LGR6, P = 1.4 × 10(-8)), 2p24.1 (P = 4.6 × 10(-8)) and 16q12.2 (FTO, P = 4.0 × 10(-8)), were associated with ER-negative but not ER-positive breast cancer (P > 0.05). These findings provide further evidence for distinct etiological pathways associated with invasive ER-positive and ER-negative breast cancers.
Original language | English |
---|---|
Pages (from-to) | 392-8, 398e1-2 |
Journal | Nature Genetics |
Volume | 45 |
Issue number | 4 |
DOIs | |
Publication status | Published - Apr 2013 |
Keywords
- Breast Neoplasms
- Case-Control Studies
- Cooperative Behavior
- Female
- Genetic Loci
- Genetic Predisposition to Disease
- Genome-Wide Association Study
- Genotype
- Humans
- Meta-Analysis as Topic
- Oligonucleotide Array Sequence Analysis
- Polymorphism, Single Nucleotide
- Receptors, Estrogen
- Risk Factors
- Journal Article
- Research Support, N.I.H., Extramural
- Research Support, Non-U.S. Gov't