Journal
CANCER CELL INTERNATIONAL
Volume 21, Issue 1, Pages -Publisher
BMC
DOI: 10.1186/s12935-021-02021-8
Keywords
Laryngeal cancer; Overall survival; Disease-free survival; Prognosis; MicroRNAs
Categories
Funding
- Scientific Projects of Jiangsu Province [BK20191157]
- Scientific Program of Changzhou [CE20195048]
- Young Talent Development Plan of Changzhou Health Commission [2020-233]
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The research identified potential noninvasive and simple markers, including miRNA-100, miRNA-155, miRNA-21, miRNA-34a, miRNA-195, and miR-let-7, for disease prognosis in patients with laryngeal cancer. Dysregulated microRNAs were observed in 5307 patients with laryngeal cancer, showing an association with patient outcomes.
Background Laryngeal carcinoma is a primary malignant tumor originating from the laryngeal mucosa, and its pathogenesis is not fully understood. It is a rare type of cancer that shows a downward trend in the 5-year survival rate. In clinical practice, dysregulated microRNAs are often observed in patients with laryngeal cancer. In recent years, an increasing number of studies have confirmed that the strong biomarker potential of microRNAs. We conducted a systematic review and meta-analysis to identify and highlight multiple microRNAs as biomarkers for disease prognosis in patients with laryngeal cancer. Methods We actively searched the systematic reviews in PubMed, Embase, Web of Science and The Cochrane Library to select the studies that met the proposed guidelines. A total of 5307 patients with laryngeal cancer were included in this study to evaluate the association between microRNAs expression levels and patient outcomes. For overall survival in the clinical stage, a hazard ratio (HR) and corresponding 95% confidence interval (CI) are calculated to assess the effect of survival. Results A total of 36 studies on microRNAs and laryngeal cancer recovery were included in this meta-analysis. The selected endpoints for these studies included overall survival (OS) and disease-free survival (DFS).The comorbidities of overexpression and underexpression of microRNAs were 1.13 (95% CI 1.06-1.20, P < 0.05) and 1.10 (95% CI 1.00-1.20, P < 0.05), respectively. Conclusion MiRNA-100, miRNA-155, miRNA-21, miRNA-34a, miRNA-195 and miR-let-7 are expected to be potential noninvasive and simple markers for laryngeal cancer.
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