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Updated: May 6, 2026

MicroRNA Amplification and Recognition through Locked-nucleic-acid In situ Hybridization as a Novel Detection and Quantification Method
Published on: October 7, 2025
Emerging role of microRNAs in cancer and cancer stem cells
Jin Hao1, Sen Zhao, Yueling Zhang
1Department of Orthodontics, State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, West China School of Stomatology, Sichuan University, Chengdu, 610041, China.
Abstract:
Cancer stem cells (CSCs), or cancer cells with stem cell properties, represent a small fraction of tumor bulk and are thought to be responsible for tumor formation and metastasis. However, the mechanisms of how CSCs are generated and regulated at the molecular level are poorly understood. Recent progress has highlighted the significance of microRNAs (miRNAs) in cancer progression and CSC function. The function and dysfunction of miRNAs in the development of cancer and CSCs have become a burgeoning area of intense research. A new finding has elucidated a mechanism of antagonistic miRNA crosstalk whereby one miRNA can inhibit another miRNA in regulating CSCs. Herein we make this short review to summarize the current understanding of the regulatory mechanisms of miRNAs in cancer and CSCs and discuss the implications of targeting CSCs for cancer therapeutics.
Insights
Cancer stem cells (CSCs) drive tumor formation and metastasis. A new study reveals how microRNAs (miRNAs) regulate CSCs through antagonistic crosstalk, offering therapeutic targets.
Area of Science:
- Oncology
- Molecular Biology
- Genetics
Background:
- Cancer stem cells (CSCs) are crucial for tumor initiation, metastasis, and recurrence.
- The molecular mechanisms governing CSC generation and regulation remain largely unknown.
- MicroRNAs (miRNAs) are increasingly recognized for their roles in cancer development and CSC function.
Purpose of the Study:
- To review the current understanding of miRNA-mediated regulation in cancer and CSCs.
- To elucidate the novel mechanism of antagonistic miRNA crosstalk in CSC regulation.
- To discuss the therapeutic potential of targeting CSCs via miRNA modulation.
Main Methods:
- Literature review of recent studies on miRNAs, CSCs, and cancer therapeutics.
- Analysis of molecular mechanisms underlying miRNA-miRNA interactions.
- Discussion of preclinical and clinical implications of targeting CSCs.
Main Results:
- CSCs, a small cell fraction, are key drivers of tumor formation and metastasis.
- miRNAs play a significant role in cancer progression and CSC functionality.
- A novel mechanism of antagonistic miRNA crosstalk regulating CSCs has been identified.
Conclusions:
- miRNA dysregulation is implicated in cancer and CSC development.
- Antagonistic miRNA crosstalk represents a critical regulatory pathway for CSCs.
- Targeting CSCs through miRNA manipulation holds promise for cancer therapy.
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