Journal Article

Genetic polymorphisms in the <i>PTPN13</i> gene and risk of squamous cell carcinoma of head and neck

Jiangong Niu, Yu-Jing Huang, Li-E Wang, Erich M. Sturgis and Qingyi Wei

in Carcinogenesis

Volume 30, issue 12, pages 2053-2058
Published in print December 2009 | ISSN: 0143-3334
Published online November 2009 | e-ISSN: 1460-2180 | DOI: https://dx.doi.org/10.1093/carcin/bgp265
Genetic polymorphisms in the PTPN13 gene and risk of squamous cell carcinoma of head and neck

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Fas-associated phosphatase-1 is encoded by the protein tyrosine phosphatase, non-receptor type 13 (PTPN13) gene and attributes to the resistance to Fas-mediated apoptosis in several tumors, including squamous cell carcinoma of the head and neck (SCCHN). However, no epidemiological studies have investigated the roles of PTPN13 polymorphisms in SCCHN risk. In this hospital-based case–control study of 1069 SCCHN patients and 1102 non-Hispanic white cancer-free controls, we evaluated the associations between three single-nucleotide polymorphisms c.4068 T>G F1356L (rs10033029), c.4566 A>G I1522M (rs2230600) and c.6241 T>G Y2081D (rs989902) located in the coding region of PTPN13 and SCCHN risk. We found that a significantly increased SCCHN risk was associated with the c.4566 I1522M GG genotype [odds ratio (OR), 1.89; 95% confidence interval (CI), 1.27–2.79] and c.6241 Y2081D GT genotype (OR, 1.26; 95% CI, 1.03–1.53) compared with the c.4566 I1522M AA and c.6241 Y2081D TT genotypes, respectively. Further stratified analyses showed that risk associated with the c.4566 I1522M GG genotype was more profound in the subgroups of young (≤57 years), males, never smokers, current drinkers and patients with pharyngeal cancer; that risk associated with c.6241 Y2081D GT genotype persisted in subgroups of old (>57 years), males, current drinkers and patients with pharyngeal and laryngeal cancers and that risk associated with c.6241 Y2081D GG genotype was borderline in patients with laryngeal cancer. In conclusion, polymorphisms in the PTPN13 coding region may be biomarkers for susceptibility to SCCHN in USA populations.

Journal Article.  4348 words.  Illustrated.

Subjects: Clinical Cytogenetics and Molecular Genetics

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