Genetic variation in DNA repair pathway genes and melanoma risk

Mingfeng Zhang, Abrar A. Qureshi, Qun Guo, Jiali Han

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Reduced DNA repair capacity has been proposed as a predisposing factor for melanoma. We comprehensively evaluated 1463 genetic variants across 60 DNA repair-related pathway genes in relation to melanoma risk in a nested case-control study of 218 melanoma cases (20% on head and neck) and 218 matched controls within the Nurses' Health Study (NHS). We then genotyped the two variants with the smallest P value in two replication sets: 184 melanoma cases (28% on head and neck) and 184 matched controls in the Health Professionals Follow-Up Study (HPFS); and 183 melanoma cases (10% on head and neck) and 183 matched controls in the NHS. The SNP rs3219125 in the PARP1 gene was significantly associated with melanoma risk in the discovery set (odds ratio (OR) 3.14; 95% confidence interval (CI) 1.70-5.80) and in the HPFS replication set (OR, 1.92; 95% CI, 1.05-3.54) but not in the NHS replication set (OR, 1.07; 95% CI, 0.58-1.97). In the joint analysis, the OR was 1.89 (95% CI, 1.34-2.68) for this polymorphism, and this increased risk was more pronounced among patients with lesions in head/neck (OR, 3.19; 95% CI, 1.77-5.73 for head/neck, and OR, 1.54; 95% CI, 1.03-2.30 for other sites, P value for heterogeneity test. =0.036). Our findings suggest the possible involvement of the PARP1 variant in melanoma development, especially for sites with high sun exposure. Further work on fine-mapping and on the functional characterization of this and linked SNPs in this region is required.

Original languageEnglish (US)
Pages (from-to)111-116
Number of pages6
JournalDNA Repair
Volume10
Issue number1
DOIs
StatePublished - Jan 2 2011
Externally publishedYes

Fingerprint

DNA Repair
Melanoma
Repair
Genes
Health
Odds Ratio
Confidence Intervals
Neck
DNA
Head
Nurses
Single Nucleotide Polymorphism
Polymorphism
Sun
Solar System
Causality
Case-Control Studies

Keywords

  • DNA repair
  • Etiology
  • Melanoma
  • Polymorphism

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology
  • Cell Biology

Cite this

Genetic variation in DNA repair pathway genes and melanoma risk. / Zhang, Mingfeng; Qureshi, Abrar A.; Guo, Qun; Han, Jiali.

In: DNA Repair, Vol. 10, No. 1, 02.01.2011, p. 111-116.

Research output: Contribution to journalArticle

Zhang, Mingfeng ; Qureshi, Abrar A. ; Guo, Qun ; Han, Jiali. / Genetic variation in DNA repair pathway genes and melanoma risk. In: DNA Repair. 2011 ; Vol. 10, No. 1. pp. 111-116.
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