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The association, clinicopathological significance, and diagnostic value of CDH1 promoter methylation in head and neck squamous cell carcinoma: a meta-analysis of 23 studies

Authors Shen ZS, Zhou CC, Li JY, Deng HX, Li Q, Wang J

Received 17 July 2016

Accepted for publication 24 August 2016

Published 31 October 2016 Volume 2016:9 Pages 6763—6773


Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 3

Editor who approved publication: Dr Samir Farghaly

Zhisen Shen,1 Chongchang Zhou,1,2 Jinyun Li,2 Hongxia Deng,1 Qun Li,1 Jian Wang3

1Department of Otorhinolaryngology-Head and Neck Surgery, Lihuili Hospital, Ningbo University, 2Department of Biochemistry and Molecular Biology, Medical School of Ningbo University, 3Department of Otorhinolaryngology-Head and Neck Surgery, Ningbo Yinzhou People’s Hospital, Ningbo, Zhejiang, People’s Republic of China

Abstract: Epithelial cadherin (encoded by the CDH1 gene) is a tumor suppressor glycoprotein that plays a role in the invasion and metastasis of human cancers. As previous studies regarding the association between CDH1 promoter methylation and head and neck squamous cell carcinoma (HNSCC) have yielded inconsistent conclusions, a meta-analysis was performed. A systematic literature review was undertaken from four databases: PubMed, Embase, Google Scholar, and Web of Science. Finally, a total of 23 studies (including 1,727 cases of HNSCC and 555 normal controls) were included in the present study. Our results showed that the frequency of CDH1 promoter methylation in HNSCC was statistically greater than in controls (odds ratio [OR] =5.94, 95% confidence interval [CI]: 3.36–10.51, P<0.001). In reported cases of HNSCC, CDH1 promoter methylation was statistically associated with tumor stage (OR =0.46, 95% CI: 0.27–0.78, P=0.004) and a history of alcohol consumption (OR =6.04, 95% CI: 2.41–15.14, P<0.001). Moreover, the sensitivity, specificity, and area under the curve of the summary receiver operator characteristic for the included studies were 0.50 (95% CI: 0.4–0.61), 0.89 (95% CI: 0.79–0.95), and 0.74 (95% CI: 0.70–0.78), respectively. In conclusion, our meta-analyses indicated that CDH1 promoter methylation was associated with HNSCC risk, and may be utilized as a valuable diagnostic biomarker for HNSCC.

Keywords: CDH1, methylation, diagnosis, head and neck squamous cell carcinoma, HNSCC

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