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Article type: Research Article
Authors: He, Jing | Zhang, Fengmei | Wu, Ying | Zhang, Wei | Zhu, Xiaoli | He, Xuelian | Zhao, Yuhang | Zhang, Wei | Zhao, Yulan
Affiliations: School of Life Science, East China Normal University, Shanghai, China | Institutes for Advanced Interdisciplinary Research, East China Normal University, Shanghai, China | Department of Otorhinolaryngology, Peking Union Medical College Hospital, Beijing, China | Central Laboratory, Wuhan Children's Hospital, Wuhan, Hubei, China | Shanghai Integrated Circuit Research and Development Center, Shanghai, China
Note: [] Corresponding authors: Yulan Zhao, School of Life Science, East China Normal University, North Zhongshan Road #3663, Shanghai 200062, China. Tel.: +86 21 62237225; Fax: +86 21 62237226; E-mail: [email protected]; Wei Zhang, PhD, Institutes for Advanced Interdisciplinary Research, East China Normal University, North Zhongshan Road #3663, Shanghai 200062, China. Tel.: +86 21 54344755; Fax: +86 21 54344755; E-mail: [email protected]
Abstract: BACKGROUND: Recent studies have shown that microRNAs (miRNA) have prognostic values in cancers. This meta-analysis seeks to summarize the global predicting role of miR-155 for survival in patients with a variety of carcinomas. METHODS: Eligible studies were identified through multiple search strategies. Data were extracted from studies investigating the relationship between miR-155 expression and survival in cancer patients. Combined hazard ratios (HRs) of miR-155 for outcome were analyzed. RESULTS: A total of 16 studies dealing with various carcinomas were included for this meta-analysis. For overall survival, higher miR-155 expression could significantly predict worse outcome with the pooled HR of 2.057 (95% CI: 1.392–3.039). For relapse or progress-free survival, elevated miR-155 was also a significant predictor, with a combined HR of 1.918 (95% CI: 1.311–2.806,). In addition, subgroup analysis showed that higher expression of miR-155 had the trends to predict worse outcome in lung cancer. However, the HRs did not reach the statistical significance. CONCLUSION: Our findings suggest that miR-155 detection has a prognostic value in cancer patients. Regularly measuring miR-155 expression may be useful in clinical practice.
Keywords: miR-155, cancer, prognosis, clinical
DOI: 10.3233/DMA-130984
Journal: Disease Markers, vol. 34, no. 6, pp. 379-386, 2013
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