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Open Access 16-01-2024 | Biomarkers | RESEARCH ARTICLE

Exosomal noncoding RNAs as noninvasive biomarkers in bladder cancer: a diagnostic meta-analysis

Authors: Liming Zhao, Jun Li, Zhongguang Xue, Jinfeng Wang

Published in: Clinical and Translational Oncology | Issue 6/2024

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Abstract

Background

In view of discordance consisting in different reports, a meta-analysis was conducted to comprehensively evaluate the diagnostic efficacy of exosomal noncoding RNAs (ncRNAs) in blood and urine in the detection of bladder cancer.

Methods

Eligible studies were acquired by systematic retrieval through PubMed, Cochrane Library, and Embase. The pooled diagnostic efficacy was appraised by reckoning the area under the summary receiver operating characteristic (SROC) curve. The latent sources of heterogeneity were probed by subgroup analyses and meta-regression. STATA 12.0, Meta-DiSc 1.4, and RevMan 5.3 were applied to carry out all statistical analyses and plots.

Results

A total of 46 studies from 15 articles comprising 2622 controls and 3015 bladder cancer patients were included in our meta-analysis. Exosomal ncRNAs in blood and urine represented relatively satisfactory diagnostic efficacy in detecting bladder cancer, with a pooled sensitivity of 0.75, a specificity of 0.79, and an area under the SROC curve (AUC) of 0.84. Exosomal microRNAs (miRNAs) exhibited better diagnostic value with a pooled AUC of 0.91 than that of exosomal long noncoding RNAs (lncRNAs). To some extent, the heterogeneity among studies was induced by exosomal ncRNA types (miRNA or lncRNA), exosomal ncRNA profiling (single- or multiple-ncRNA), sample size, specimen types, and ethnicity.

Conclusion

Exosomal ncRNAs in blood and urine may play a vital role in diagnosing bladder cancer as prospective noninvasive biomarkers; nonetheless, their clinical performance needs to be confirmed by further massive proactive researches.
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Metadata
Title
Exosomal noncoding RNAs as noninvasive biomarkers in bladder cancer: a diagnostic meta-analysis
Authors
Liming Zhao
Jun Li
Zhongguang Xue
Jinfeng Wang
Publication date
16-01-2024
Publisher
Springer International Publishing
Keyword
Biomarkers
Published in
Clinical and Translational Oncology / Issue 6/2024
Print ISSN: 1699-048X
Electronic ISSN: 1699-3055
DOI
https://doi.org/10.1007/s12094-023-03374-4

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