Innate Immunity Pathways and Breast Cancer Risk in African American and European-American Women in the Women's Circle of Health Study (WCHS)

Zhihong Gong, Lei Quan, Song Yao, Gary Zirpoli, Elisa V. Bandera, Michelle Roberts, Jean Gabriel Coignet, Citadel Cabasag, Lara Sucheston, Helena Hwang, Gregory Ciupak, Warren Davis, Karen Pawlish, Lina Jandorf, Dana H. Bovbjerg, Christine B. Ambrosone, Chi Chen Hong

Research output: Contribution to journalArticle

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Abstract

African American (AA) women are more likely than European American (EA) women to be diagnosed with early, aggressive breast cancer. Possible differences in innate immune pathways (e.g., inflammatory responses) have received little attention as potential mechanisms underlying this disparity. We evaluated distributions of selected genetic variants in innate immune pathways in AA and EA women, and examined their associations with breast cancer risk within the Women's Circle of Health Study (WCHS). In stage I of the study (864 AA and 650 EA women) we found that genotype frequencies for 35 of 42 tested SNPs (18 candidate genes) differed between AAs and EAs (corroborated by ancestry informative markers). Among premenopausal AA women, comparing variant allele carriers to non-carriers, reduced breast cancer risk was associated with CXCL5-rs425535 (OR=0.61, P=0.02), while among EA women, there were associations with TNFA-rs1799724 (OR =2.31, P =0.002) and CRP-rs1205 (OR=0.54, P=0.01). For postmenopausal women, IL1B-rs1143627 (OR=1.80, P=0.02) and IL1B-rs16944 (OR=1.85, P =0.02) were associated with risk among EA women, with significant associations for TNFA-rs1799724 limited to estrogen receptor (ER) positive cancers (OR=2.0, P =0.001). However, none of the SNPs retained significance after Bonferroni adjustment for multiple testing at the level of P0.0012 (0.05/42) except for TNFA-rs1799724 in ER positive cancers. In a stage II validation (1,365 AA and 1,307 EA women), we extended evaluations for four SNPs (CCL2-rs4586, CRP-rs1205, CXCL5-rs425535, and IL1RN-rs4251961), which yielded similar results. In summary, distributions of variants in genes involved in innate immune pathways were found to differ between AA and EA populations, and showed differential associations with breast cancer according to menopausal or ER status. These results suggest that immune adaptations suited to ancestral environments may differentially influence breast cancer risk among EA and AA women.

Original languageEnglish (US)
Article numbere72619
JournalPLoS One
Volume8
Issue number8
DOIs
StatePublished - Aug 21 2013

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women's health
Women's Health
African Americans
Innate Immunity
breast neoplasms
Health
Estrogen Receptors
Breast Neoplasms
Genes
Single Nucleotide Polymorphism
European Americans
innate immunity
Testing
menopause
neoplasms
Neoplasms
ancestry
genes
inflammation
Alleles

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Medicine(all)

Cite this

Innate Immunity Pathways and Breast Cancer Risk in African American and European-American Women in the Women's Circle of Health Study (WCHS). / Gong, Zhihong; Quan, Lei; Yao, Song; Zirpoli, Gary; Bandera, Elisa V.; Roberts, Michelle; Coignet, Jean Gabriel; Cabasag, Citadel; Sucheston, Lara; Hwang, Helena; Ciupak, Gregory; Davis, Warren; Pawlish, Karen; Jandorf, Lina; Bovbjerg, Dana H.; Ambrosone, Christine B.; Hong, Chi Chen.

In: PLoS One, Vol. 8, No. 8, e72619, 21.08.2013.

Research output: Contribution to journalArticle

Gong, Z, Quan, L, Yao, S, Zirpoli, G, Bandera, EV, Roberts, M, Coignet, JG, Cabasag, C, Sucheston, L, Hwang, H, Ciupak, G, Davis, W, Pawlish, K, Jandorf, L, Bovbjerg, DH, Ambrosone, CB & Hong, CC 2013, 'Innate Immunity Pathways and Breast Cancer Risk in African American and European-American Women in the Women's Circle of Health Study (WCHS)', PLoS One, vol. 8, no. 8, e72619. https://doi.org/10.1371/journal.pone.0072619
Gong, Zhihong ; Quan, Lei ; Yao, Song ; Zirpoli, Gary ; Bandera, Elisa V. ; Roberts, Michelle ; Coignet, Jean Gabriel ; Cabasag, Citadel ; Sucheston, Lara ; Hwang, Helena ; Ciupak, Gregory ; Davis, Warren ; Pawlish, Karen ; Jandorf, Lina ; Bovbjerg, Dana H. ; Ambrosone, Christine B. ; Hong, Chi Chen. / Innate Immunity Pathways and Breast Cancer Risk in African American and European-American Women in the Women's Circle of Health Study (WCHS). In: PLoS One. 2013 ; Vol. 8, No. 8.
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AU - Zirpoli, Gary

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AU - Ciupak, Gregory

AU - Davis, Warren

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AU - Hong, Chi Chen

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