Oncotarget

Meta-Analysis:

Prognostic value of decreased long non-coding RNA TUSC7 expression in some solid tumors: a systematic review and meta-analysis

Na Li, Meilan Yang, Ke Shi and Wei Li _

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Oncotarget. 2017; 8:59518-59526. https://doi.org/10.18632/oncotarget.18496

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Abstract

Na Li1, Meilan Yang1, Ke Shi2 and Wei Li2

1Department of Pathology, The First Affiliated Hospital of Hunan University of Medicine, Huaihua, Hunan Province, China

2Department of Geriatrics, Xiangya Hospital of Central South University, Changsha, Hunan Province, China

Correspondence to:

Wei Li, email: xylw2015@csu.edu.cn

Keywords: TUSC7, cancer, clinical outcome, prognosis

Received: April 18, 2017     Accepted: May 29, 2017     Published: June 15, 2017

ABSTRACT

Accumulating evidences indicated that tumor suppressor candidate 7 (TUSC7) is a putatively tumor suppressor gene in various tumors. We carried out current systematic review and meta-analysis to explore the decreased expression of TUSC7 associate with prognostic and clinicopathological characteristic in cancer patients. A literature collection search in the online electronic databases PubMed, Embase, Web of Science, and CNKI was conducted to obtain eligible studies (up to February 20, 2017). A total of nine studies comprise 757 patients were identified and included in present meta-analysis based on the selection and inclusion criteria. Overall, low expression of TUSC7 was associated with significantly unfavorable overall survival (OS) (HR = 2.90, 95% CI: 2.12–3.98, P < 0.001), disease free survival (DFS) (HR = 2.00, 95% CI: 1.49–2.68, P < 0.001) and disease-specific survival (DSS) (HR = 2.57, 95% CI: 1.23–5.39, P = 0.012) in tumors patients. Moreover, we also found that down-regulation of TUSC7 associated with distant metastasis (OR = 2.85, 95% CI: 1.46–5.55, P = 0.002) and larger tumor size (OR = 0.41, 95% CI: 0.23–0.72, P = 0.002). Our meta-analysis demonstrated that cancers patients detected with low TUSC7 expression were more prone to develop distant metastasis. TUSC7 might act as a potentially and promising common prognostic markers in some solid tumors.


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