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09.08.2015 | Original Article | Ausgabe 1/2016

Tumor Biology 1/2016

Prognostic value of long non-coding RNA MALAT1 in cancer patients

Zeitschrift:
Tumor Biology > Ausgabe 1/2016
Autoren:
Yihua Wu, Wei Lu, Jinming Xu, Yu Shi, Honghe Zhang, Dajing Xia
Wichtige Hinweise
Yihua Wu and Wei Lu contributed equally to this work.

Abstract

Metastasis associated in lung adenocarcinoma transcript 1 (MALAT1) was identified to be the first long non-coding RNA as a biomarker of independent prognostic value for early stage non-small cell lung cancer patient survival. In recent years, the association between upregulated tissue MALAT1 level and incidence of various cancers including bladder cancer, colorectal cancer, and renal cancer has been widely discussed. The aim of our present study was to assess the potential prognostic value of MALAT1 in various human cancers. PubMed, Embase, Ovid, and Cochrane Library databases were systematically searched, and eligible studies evaluating the prognostic value of MALAT1 in various cancers were included. Finally, 11 studies encompassing 1216 participants reporting with sufficient data were enrolled in the current meta-analysis. The pooled hazard ratio (HR) was 2.05 (95 % confidence interval (CI) 1.64–2.55, p < 0.01) for overall survival (OS) and 2.66 (95 % CI 1.86–3.80, p < 0.01) for disease-free survival (DFS). In conclusion, high tissue MALAT1 level was associated with an inferior clinical outcome in various cancers, suggesting that MALAT1 might serve as a potential prognostic biomarker for various cancers.

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