Genetic polymorphisms of multiple DNA repair pathways impact age at diagnosis and TP53 mutations in breast cancer

Tasha R. Smith, Wen Liu-Mares, Beth O. van Emburgh, Edward A. Levine, Glenn O. Allen, Jeff W. Hill, Isildinha Reis, Laura A. Kresty, Mark D. Pegram, Mark S. Miller, Jennifer Hu

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Abstract

Defective DNA repair may contribute to early age and late stage at time of diagnosis and mutations in critical tumor suppressor genes, such as TP53 in breast cancer. Using DNA samples from 436 breast cancer cases (374 Caucasians and 62 African-Americans), we tested these associations with 18 non-synonymous single-nucleotide polymorphisms (nsSNPs) in four DNA repair pathways: (i) base excision repair: ADPRT V762A, APE1 D148E, XRCC1 R194W/R280H/R399Q and POLD1 R119H; (ii) double-strand break repair: NBS1 E185Q and XRCC3 T241M; (iii) mismatch repair: MLH1 I219V, MSH3 R940Q/T1036A andMSH6 G39E and (iv) nucleotide excision repair: ERCC2 D312N/K751Q, ERCC4 R415Q, ERCC5 D1104H and XPC A499V/K939Q. Younger age at diagnosis (<50) was associated with ERCC2 312 DN/NN genotypes [odds ratio (OR) = 1.76; 95% confidence interval (CI) = 1.10, 2.81] and NBS1 185 QQ genotype (OR = 3.09; 95% CI = 1.47, 6.49). The XPC 939 QQ genotype was associated with TP53 mutations (OR = 5.80; 95% CI=2.23, 15.09). There was a significant trend associating younger age at diagnosis (<50) with increasing numbers of risk genotypes for ERCC2 312 DN/NN, MSH6 39 EE and NBS1 185 QQ (Ptrend < 0.001). A similar significant trend was also observed associating TP53 mutations with increasing numbers of risk genotypes for XRCC1 399 QQ, XPC 939 QQ, ERCC4 415 QQ and XPC 499 AA (Ptrend < 0.001). Our pilot data suggest that nsSNPs of multiple DNA repair pathways are associated with younger age at diagnosis and TP53 mutations in breast cancer and larger studies are warranted to further evaluate these associations.

Original languageEnglish
Pages (from-to)1354-1360
Number of pages7
JournalCarcinogenesis
Volume32
Issue number9
DOIs
StatePublished - Sep 9 2011

Fingerprint

Genetic Polymorphisms
DNA Repair
Genotype
Breast Neoplasms
Mutation
Odds Ratio
Confidence Intervals
Single Nucleotide Polymorphism
ADP Ribose Transferases
DNA Mismatch Repair
Tumor Suppressor Genes
African Americans
DNA

ASJC Scopus subject areas

  • Cancer Research

Cite this

Smith, T. R., Liu-Mares, W., van Emburgh, B. O., Levine, E. A., Allen, G. O., Hill, J. W., ... Hu, J. (2011). Genetic polymorphisms of multiple DNA repair pathways impact age at diagnosis and TP53 mutations in breast cancer. Carcinogenesis, 32(9), 1354-1360. https://doi.org/10.1093/carcin/bgr117

Genetic polymorphisms of multiple DNA repair pathways impact age at diagnosis and TP53 mutations in breast cancer. / Smith, Tasha R.; Liu-Mares, Wen; van Emburgh, Beth O.; Levine, Edward A.; Allen, Glenn O.; Hill, Jeff W.; Reis, Isildinha; Kresty, Laura A.; Pegram, Mark D.; Miller, Mark S.; Hu, Jennifer.

In: Carcinogenesis, Vol. 32, No. 9, 09.09.2011, p. 1354-1360.

Research output: Contribution to journalArticle

Smith, TR, Liu-Mares, W, van Emburgh, BO, Levine, EA, Allen, GO, Hill, JW, Reis, I, Kresty, LA, Pegram, MD, Miller, MS & Hu, J 2011, 'Genetic polymorphisms of multiple DNA repair pathways impact age at diagnosis and TP53 mutations in breast cancer', Carcinogenesis, vol. 32, no. 9, pp. 1354-1360. https://doi.org/10.1093/carcin/bgr117
Smith, Tasha R. ; Liu-Mares, Wen ; van Emburgh, Beth O. ; Levine, Edward A. ; Allen, Glenn O. ; Hill, Jeff W. ; Reis, Isildinha ; Kresty, Laura A. ; Pegram, Mark D. ; Miller, Mark S. ; Hu, Jennifer. / Genetic polymorphisms of multiple DNA repair pathways impact age at diagnosis and TP53 mutations in breast cancer. In: Carcinogenesis. 2011 ; Vol. 32, No. 9. pp. 1354-1360.
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