PMID: 26763654Jan 15, 2016Paper

Long noncoding RNA GAS5 can predict metastasis and poor prognosis: a meta-analysis

Minerva medica
Wei SongShu-Bin Zou

Abstract

Growth arrest-specific 5 (GAS5), a newly discovered long-noncoding RNAs (lncRNAs), has been reported to be down-regulated in multiple cancers. This meta-analysis aims to identify the potential value of GAS5 as a biomarker of cancer metastasis and prognosis. We searched the MEDLINE, EMBASE and Cochrane Library databases. This meta-analysis collected all relevant studies and explored the association of lncRNA GAS5 with overall survival (OS), lymphnode metastasis (LNM), and distant metastasis (DM). Four studies were eligible for analysis, which included 328 patients. Meta-analysis revealed that low levels of GAS5 expression could predict poor OS in multiple cancers (pooled Hazard Ratio [HR]: 0.38, 95% confidence interval [CI]: 0.26-0.54, P<0.00001). Moreover, compared with high GAS5 expression, low GAS5 expression was correlated with LNM (pooled HR: 4.03, 95% CI: 1.93-8.41, P=0.0002) and DM (pooled HR: 10.17, 95% CI: 1.26-82.31, P=0.03). lncRNA GAS5 may potentially serve as a novel biomarker for cancer metastasis and prognosis.

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