Genetic variants in telomere-maintaining genes and skin cancer risk

Hongmei Nan, Abrar A. Qureshi, Jennifer Prescott, Immaculata De Vivo, Jiali Han

Research output: Contribution to journalArticle

65 Citations (Scopus)

Abstract

Telomere-related genes play an important role in maintaining the integrity of the telomeric structure that protects chromosome ends, and telomere dysfunction may lead to tumorigenesis. We evaluated the associations between 39 SNPs, including 38 tag-SNPs in telomere-related genes (TERT, TRF1, TRF2, TNKS2, and POT1) and one SNP (rs401681) in the TERT-CLPTM1L locus which has been identified as a susceptibility locus to skin cancer in the previous GWAS, and the risk of skin cancer in a case-control study of Caucasians nested within the Nurses' Health Study (NHS) among 218 melanoma cases, 285 squamous cell carcinoma (SCC) cases, 300 basal cell carcinoma (BCC) cases, and 870 controls. Of the 39 SNPs evaluated, ten showed a nominal significant association with the risk of at least one type of skin cancer. After correction for multiple testing within each gene, two SNPs in the TERT gene (rs2853676 and rs2242652) and one SNP in the TRF1 gene (rs2981096) showed significant associations with the risk of melanoma. Also, the SNP rs401681 in the TERT-CLPTM1L locus was replicated for the association with melanoma risk. The additive odds ratio (OR) [95% confidence interval (95% CI)] of these four SNPs (rs2853676[T], rs2242652[A], rs2981096[G], and rs401681[C]) for the risk of melanoma was 1.43 (1.14-1.81), 1.50 (1.14-1.98), 1.87 (1.19-2.91), and 0.73 (0.59-0.91), respectively. Moreover, we found that the rs401681[C] was associated with shorter relative telomere length (P for trend, 0.05). We did not observe significant associations for SCC or BCC risk. Our study provides evidence for the contribution of genetic variants in the telomere-maintaining genes to melanoma susceptibility.

Original languageEnglish (US)
Pages (from-to)247-253
Number of pages7
JournalHuman Genetics
Volume129
Issue number3
DOIs
StatePublished - Mar 1 2011
Externally publishedYes

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Telomere
Skin Neoplasms
Single Nucleotide Polymorphism
Melanoma
Genes
Basal Cell Carcinoma
Squamous Cell Carcinoma
Chromosome Structures
Genome-Wide Association Study
Case-Control Studies
Carcinogenesis
Odds Ratio
Nurses
Confidence Intervals
Health

ASJC Scopus subject areas

  • Genetics
  • Genetics(clinical)

Cite this

Genetic variants in telomere-maintaining genes and skin cancer risk. / Nan, Hongmei; Qureshi, Abrar A.; Prescott, Jennifer; De Vivo, Immaculata; Han, Jiali.

In: Human Genetics, Vol. 129, No. 3, 01.03.2011, p. 247-253.

Research output: Contribution to journalArticle

Nan, Hongmei ; Qureshi, Abrar A. ; Prescott, Jennifer ; De Vivo, Immaculata ; Han, Jiali. / Genetic variants in telomere-maintaining genes and skin cancer risk. In: Human Genetics. 2011 ; Vol. 129, No. 3. pp. 247-253.
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