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miR-19a-3p as a Candidate oncomiRNA in Cervical Cancer: Insights From a Bioinformatic Analysis
Ramón Antaño-Arias1, Francisco Israel Torres-Rojas1, Gabriela Elizabeth Campos-Viguri2
1Laboratory of Molecular Biomedicine, Faculty of chemical and Biological Sciences, Autonomous University of Guerrero, 39090 Chilpancingo, Guerrero, Mexico.
Frontiers in Bioscience (Landmark Edition)
|May 30, 2026
Summary
This study identifies miR-19a-3p as a potential oncomiR in cervical cancer (CC). Its interaction with the lncRNA BDNF-AS may contribute to CC pathogenesis and offers diagnostic and prognostic potential.
Area of Science:
- Oncology
- Molecular Biology
- Bioinformatics
Background:
- Cervical cancer (CC) poses a significant global health challenge.
- Understanding CC molecular mechanisms is key for new diagnostics and therapies.
- MicroRNAs (miRNAs) are crucial regulators in cancer development.
Purpose of the Study:
- Identify and characterize a specific miRNA in CC development.
- Assess the miRNA's potential as a diagnostic and prognostic biomarker.
- Utilize integrative bioinformatic and experimental analyses.
Main Methods:
- Differential expression analysis of miRNAs in CC.
- Validation of miR-19a-3p expression in public datasets.
- Target gene prediction using miRDB and TargetScan.
- Pathway and functional enrichment analysis via Enrichr.
- Correlation analysis between miR-19a-3p and BDNF-AS.
- Survival and diagnostic value assessment using Kaplan-Meier and ROC curves.
Main Results:
- 24 differentially expressed miRNAs (DEmiRNAs) identified in CC.
- miR-19a-3p expression validated in independent datasets.
- BDNF-AS identified as a potential target of miR-19a-3p.
- Both miR-19a-3p and BDNF-AS demonstrated diagnostic potential via ROC analysis.
- Functional enrichment linked pathways to tumor progression.
- Low BDNF-AS expression correlated with poorer survival.
Conclusions:
- miR-19a-3p may function as an oncomiR in cervical cancer.
- Interactions between miR-19a-3p and the lncRNA BDNF-AS are implicated in CC pathogenesis.
- These findings suggest potential diagnostic and prognostic utility.
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