• Yuanyang He, Zheng Chen, and Jingyu He.
• Department of Hepatic-Biliary-Pancreatic Surgery, The Third Hospital of Mianyang, Sichuan Mental Health Center, Mianyang, Sichuan, China.
• Medicine (Baltimore). 2022 Dec 30; 101 (52): e32465e32465.

BackgroundLINC00473 is a promising long non-coding RNA. There is increasing evidence that SNHG7 is abnormally expressed in various tumors and is associated with cancer prognosis. However, identification of the effect of long non-coding RNA LINC00473 in tumors remains necessary.MethodsUp to August 15, 2021, we searched electronic databases, including PubMed, Cochrane Library, EMBASE, Medline, and Web of Science. The results were evaluated by pooled odds ratios (ORs) and hazard ratios (HRs) with 95% confidence intervals (CIs).ResultsThere weres 13 included literature totaling cancer patients involved in this meta-analysis. The aggregated results revealed that high expression of LINC00473 was significantly associated with unfavorable overall survival (HR = 1.66, 95% CI: 1.48-1.86, P < .00001), disease-free survival (HR = 1.59, 95% CI: 1.09-2.32, P = .02) in a variety of cancers. Additionally, increased LINC00473 expression was also correlated with tumor node metastasis stage ((III/IV vs I/II) OR = 4.67, 95% CI = 3.11-7.02, P < .00001), differentiation ((poor/moderately vs well) OR = 3.25, 95% CI = 1.41-7.50, P = .006), tumor size ((larger vs smaller) OR = 2.49, 95% CI = 1.26-4.91, P = .03), and lymph node metastasis ((positive vs negative) OR = 3.10, 95% CI = 2.13-4.51, P = .008) in patients with cancers. Besides, the Gene Expression Profiling Interactive Analysis dataset evaluated that LINC00473 was upregulated in a variety of tumors and predicted worse prognosis.ConclusionOur results of this meta-analysis demonstrated that high LINC00473 expression may become a potential target for predicting prognosis of human cancers.Copyright © 2022 the Author(s). Published by Wolters Kluwer Health, Inc.

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