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Overexpression of DJ-1 correlates with aggressive clinicopathological characteristics and poor prognosis in malignant tumors: a meta-analysis

Authors Wang Q, Li F, Shi W, Zhang Q, Wang J, Yan X, Chai L, Li M

Received 9 January 2018

Accepted for publication 9 May 2018

Published 9 July 2018 Volume 2018:11 Pages 3931—3942

DOI https://doi.org/10.2147/OTT.S162045

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 2

Editor who approved publication: Dr Cho


Qingting Wang, Fangwei Li, Wenhua Shi, Qianqian Zhang, Jian Wang, Xin Yan, Limin Chai, Manxiang Li

Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi 710061, China

Purpose: A number of studies have investigated the role of DJ-1 in the development and progression of malignant tumors. This meta-analysis aims to systematically estimate the relationship between the expression level of DJ-1 and the malignant biological behaviors of tumors and to assess the clinical significances of DJ-1 in the prognosis and diagnosis of cancer.
Materials and methods: We searched PubMed, Web of Science, China National Knowledge Infrastructure and Wanfang databases from inception to December 1, 2017. Pooled odds ratio (OR) and hazard ratio (HR) with their 95% confidence interval and the diagnostic value of DJ-1 were calculated.
Results: Fourteen eligible studies with a total of 1,947 subjects were enrolled in our meta-analysis. The results showed that DJ-1 was overexpressed in cancer patients compared with noncancer patients (OR = 30.72), and elevated expression of DJ-1 was demonstrated to be closely associated with high tumor-node-metastasis stage (OR = 5.52), poor differentiated degree (OR = 2.46), positive lymph node metastasis (OR = 4.12) and worse overall survival (HR = 2.23). In addition, the combined sensitivity and specificity for DJ-1 to discern malignant tumors were 0.73 and 0.93, respectively. The diagnostic OR was 34.87, and the area under the summary receiver operating characteristic curve was 0.88.
Conclusion: This meta-analysis demonstrated that DJ-1 was an important biomarker in tumor assessment and prognosis prediction.

Keywords: DJ-1, prognosis, diagnosis, malignant tumor, meta-analysis

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