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Review

The Efficacy of miR-20a as a Diagnostic and Prognostic Biomarker for Colorectal Cancer: A Systematic Review and Meta-Analysis

1
Division of Nutritional Sciences, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
2
Department of Kinesiology and Community Health, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
3
Department of Kinesiology and Community Health, Division of Nutritional Sciences, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
4
Carle Physician Group, Carle Cancer Center, Carle Foundation Hospital, Urbana, IL 61802, USA
5
Department of Food Science and Human Nutrition, Division of Nutritional Sciences, and Illinois Informatics Institute, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
*
Author to whom correspondence should be addressed.
Cancers 2019, 11(8), 1111; https://doi.org/10.3390/cancers11081111
Received: 12 July 2019 / Revised: 28 July 2019 / Accepted: 30 July 2019 / Published: 3 August 2019
(This article belongs to the Special Issue Cancer Biomarkers)
Background: MicroRNAs have altered expression levels in various diseases and may play an important role in the diagnosis and prognosis of colorectal cancer (CRC). Methods: We systemically reviewed and quantitatively synthesized the scientific evidence pertaining to microRNA-20a (miR-20a) as a CRC biomarker. A keyword and reference search in PubMed yielded 32 studies, in which miR-20a was measured in feces, serum, or tumor tissue. Data were extracted from a total of 5014 cancer cases and 2863 controls. Results: Twenty out of 21 relevant studies found that miR-20a was upregulated in CRC patients compared to controls. Meta-analysis revealed a pooled miR-20a fold change of 2.45 (95% CI: 2.24–2.66) in CRC patients versus controls. To estimate sensitivity and specificity of miR-20a as a diagnostic biomarker of CRC, a pooled area under the receiver operating characteristic curve (AUROC) was calculated (0.70, 95% CI: 0.63–0.78). The prognostic capacity of miR-20a was assessed using hazard ratios (HRs) for the overall survival (OS). The meta-analysis estimated the pooled HR for OS to be 2.02 (95% CI: 0.90–3.14) in CRC patients with high miR-20a expression. Conclusions: miR-20a may be a valid biomarker for CRC detection but may not be a strong predictor of poor prognosis in CRC. View Full-Text
Keywords: microRNA; miR-20a; colorectal cancer; diagnosis; prognosis microRNA; miR-20a; colorectal cancer; diagnosis; prognosis
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MDPI and ACS Style

Moody, L.; Dvoretskiy, S.; An, R.; Mantha, S.; Pan, Y.-X. The Efficacy of miR-20a as a Diagnostic and Prognostic Biomarker for Colorectal Cancer: A Systematic Review and Meta-Analysis. Cancers 2019, 11, 1111. https://doi.org/10.3390/cancers11081111

AMA Style

Moody L, Dvoretskiy S, An R, Mantha S, Pan Y-X. The Efficacy of miR-20a as a Diagnostic and Prognostic Biomarker for Colorectal Cancer: A Systematic Review and Meta-Analysis. Cancers. 2019; 11(8):1111. https://doi.org/10.3390/cancers11081111

Chicago/Turabian Style

Moody, Laura, Svyatoslav Dvoretskiy, Ruopeng An, Suparna Mantha, and Yuan-Xiang Pan. 2019. "The Efficacy of miR-20a as a Diagnostic and Prognostic Biomarker for Colorectal Cancer: A Systematic Review and Meta-Analysis" Cancers 11, no. 8: 1111. https://doi.org/10.3390/cancers11081111

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