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01.12.2018 | Primary Research | Ausgabe 1/2018 Open Access

Cancer Cell International 1/2018

Prognostic and clinicopathological significance of long noncoding RNA HOXA11-AS expression in human solid tumors: a meta-analysis

Zeitschrift:
Cancer Cell International > Ausgabe 1/2018
Autoren:
Shidai Mu, Lisha Ai, Fengjuan Fan, Chunyan Sun, Yu Hu
Wichtige Hinweise
Shi-dai Mu and Lisha Ai contributed equally to this work
Chunyan Sun and Yu Hu contributed equally to this work

Abstract

Background

Recent studies have emphasized the important prognostic role of long noncoding RNAs (lncRNAs) in various types of cancers. Here we conducted a meta-analysis to investigate whether lncRNA HOXA11-AS can be served as a prognostic biomarker in human cancers.

Patients/methods

We systematically searched PubMed, Embase, ISI Web of Science, and SCOPUS for relevant studies, to investigate the prognostic significance of HOXA11-AS expression in cancer patients. Odds ratios (ORs) or hazards ratios (HRs) with corresponding 95% confidence intervals (CIs) are pooled to estimate the association between HOXA11-AS expression and clinicopathological parameters or survival of cancer patients.

Results

A total of eight eligible studies with 1320 cancer patients were enrolled in our meta-analysis. The results revealed that increased expression level of HOXA11-AS was significantly associated with clinicopathological parameters including more lymph node metastasis (OR = 2.06, 95% CI 1.31–3.25), advanced tumor stage (OR = 4.22, 95% CI 2.60–6.85), as well as poor tumor differentiation (OR = 2.49, 95 CI 1.47–4.20), but not correlated with age (p = 0.101) or gender (p = 0.845). In addition, cancer patients with high HOXA11-AS are prognosed to have shorter OS (pooled HR = 1.86, 95% CI 1.39–2.48) and PFS (pooled HR = 2.47, 95% CI 1.29–4.75).

Conclusions

HOXA11-AS overexpression might be a convinced unfavorable prognostic factor that helps the clinical decision-making process.
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