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Int. J. Environ. Res. Public Health 2017, 14(2), 216; doi:10.3390/ijerph14020216

DNA Methylation Status of PAX1 and ZNF582 in Esophageal Squamous Cell Carcinoma

Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha 410078, Hunan, China
Institute of Clinical Pharmacology, Central South University, Hunan Key Laboratory of Pharmacogenetics, Changsha 410078, Hunan, China
Department of Cardiovascular & Thoracic Surgery, Xiangya Hospital, Central South University, Changsha 410008, Hunan, China
Department of Clinical Oncology, The First People’s Hospital of Chenzhou, Chenzhou 423000, Hunan, China
iStat Biomedical Co. Ltd., Taipei 221, Taiwan
Authors to whom correspondence should be addressed.
Academic Editor: William Chi-shing Cho
Received: 29 September 2016 / Revised: 10 January 2017 / Accepted: 10 January 2017 / Published: 22 February 2017
(This article belongs to the Section Global Health)
View Full-Text   |   Download PDF [1485 KB, uploaded 22 February 2017]   |  


Hypermethylation of specific gene promoters is an important mechanism of carcinogenesis. A high frequency of promoter methylation of PAX1 and ZNF582 genes has been detected in cervical cancer. In the present study, we investigated the methylation status of PAX1 and ZNF582 genes in esophageal squamous cell carcinoma (ESCC) tissues. Tumor and paracancerous tissues were obtained from 14 ESCC patients. Genomic DNA was extracted from both tumor and paracancerous tissues, and the concentration of DNA were determined. DNA methylation analysis of PAX1 and ZNF582 genes was carried out using quantitative methylation-specific PCR. To assess the diagnostic performance of the two methylated genes for cancer detection, receiver operating characteristic (ROC) curves were generated. Sensitivities and specificities were tested at cut-offs obtained from the ROC curves. The methylation levels of both PAX1 and ZNF582 genes were significantly higher in tumor tissues compared to non-tumor paracancerous tissues. The methylation rates of PAX1 and ZNF582 in ESCC tumor and paracancerous tissues were 100% and 21.4% (p = 0.006), 85.7% and 0% (p < 0.001), respectively. The sensitivities and specificities of PAX1 and ZNF582 methylation for the detection of cancer were 100% and 85.7%, and 78.6% and 100%, respectively. The DNA methylation levels and frequencies of PAX1 and ZNF582 genes were markedly higher in ESCC tumor tissues compared to those in paracancerous tissues. Moreover, the conclusions were verified by using The Cancer Genome Atlas (TCGA) datasets. DNA methylation status of these two genes showed a relatively good sensitivity and specificity for the detection of ESCC tumors. This data suggests that DNA methylation testing holds a great promise for ESCC screening and warrants further prospective population-based studies. View Full-Text
Keywords: esophageal squamous cell carcinoma; DNA methylation; PAX1; ZNF582 esophageal squamous cell carcinoma; DNA methylation; PAX1; ZNF582

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Huang, J.; Wang, G.; Tang, J.; Zhuang, W.; Wang, L.-P.; Liou, Y.-L.; Liu, Y.-Z.; Zhou, H.-H.; Zhu, Y.-S. DNA Methylation Status of PAX1 and ZNF582 in Esophageal Squamous Cell Carcinoma. Int. J. Environ. Res. Public Health 2017, 14, 216.

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