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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
MicroRNAs in non-small cell lung cancer: current status and future therapeutic promises
D Cortinovis, V Monica, F Pietrantonio
1Oncology Unit, San Gerardo Hospital, Monza. d.cortinovis@hsgerardo.org.
Abstract:
A biological characterization of tumor tissue is mandatory in NSCLC patients to identify cases at high risk of recurrence and to drive current targeted therapies such as EGFR and ALK inhibitors. In addition, promising results have been reported on the utility of molecular parameters for the prediction of the efficacy of systemic cytotoxic therapy. MicroRNAs (miRNAs) are small single stranded non-coding RNA molecules, which regulate gene expression at the posttranscriptional level. Growing evidence suggests that miRNAs are expressed aberrantly in many human cancers and that they play a significant role in carcinogenesis and cancer progression. There is increasing evidence that miRNA profiling may become an accurate way to differentiate tumor subtypes, determine prognosis and response to therapy. This review aims to summarize the current literature on this rapidly evolving field.
Insights
Tumor biological characterization is crucial for non-small cell lung cancer (NSCLC) patients. MicroRNA (miRNA) profiling shows potential for predicting recurrence, guiding targeted therapies, and determining prognosis.
Area of Science:
- Oncology
- Molecular Biology
- Genetics
Background:
- Tumor biological characterization is essential for non-small cell lung cancer (NSCLC) patients, aiding in identifying high-risk recurrence cases and guiding targeted therapies (e.g., EGFR, ALK inhibitors).
- Molecular parameters show promise in predicting the efficacy of systemic cytotoxic therapy in NSCLC.
- MicroRNAs (miRNAs), small non-coding RNA molecules, regulate gene expression post-transcriptionally and are increasingly implicated in various human cancers.
Purpose of the Study:
- To review the current literature on the role of microRNAs (miRNAs) in non-small cell lung cancer (NSCLC).
- To summarize the potential of miRNA profiling for differentiating tumor subtypes, determining prognosis, and predicting response to therapy in NSCLC.
Main Methods:
- Literature review of current research on microRNAs in NSCLC.
- Analysis of studies investigating miRNA expression in relation to cancer carcinogenesis, progression, and therapeutic response.
Main Results:
- Aberrant miRNA expression is frequently observed in human cancers, including NSCLC, and plays a significant role in cancer development and progression.
- Emerging evidence suggests that miRNA profiling can accurately differentiate tumor subtypes and predict patient prognosis.
- miRNA signatures are being explored for their utility in predicting the effectiveness of both targeted therapies and systemic cytotoxic treatments in NSCLC.
Conclusions:
- MicroRNA profiling represents a promising and rapidly evolving field with significant potential for personalized medicine in NSCLC.
- Further research into miRNA biomarkers could enhance diagnostic accuracy, prognostic prediction, and therapeutic strategy selection for NSCLC patients.
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