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MicroRNA as a Potential Therapeutic Molecule in Cancer
Joanna Szczepanek1, Monika Skorupa1,2, Andrzej Tretyn2
1Centre for Modern Interdisciplinary Technologies, Nicolaus Copernicus University, Ul. Wilenska 4, 87-100 Torun, Poland.
Abstract:
Small noncoding RNAs, as post-translational regulators of many target genes, are not only markers of neoplastic disease initiation and progression, but also markers of response to anticancer therapy. Hundreds of miRNAs have been identified as biomarkers of drug resistance, and many have demonstrated the potential to sensitize cancer cells to therapy. Their properties of modulating the response of cells to therapy have made them a promising target for overcoming drug resistance. Several methods have been developed for the delivery of miRNAs to cancer cells, including introducing synthetic miRNA mimics, DNA plasmids containing miRNAs, and small molecules that epigenetically alter endogenous miRNA expression. The results of studies in animal models and preclinical studies for solid cancers and hematological malignancies have confirmed the effectiveness of treatment protocols using microRNA. Nevertheless, the use of miRNAs in anticancer therapy is not without limitations, including the development of a stable nanoconstruct, delivery method choices, and biodistribution. The aim of this review was to summarize the role of miRNAs in cancer treatment and to present new therapeutic concepts for these molecules. Supporting anticancer therapy with microRNA molecules has been verified in numerous clinical trials, which shows great potential in the treatment of cancer.
Insights
MicroRNAs (miRNAs) are key regulators in cancer, acting as biomarkers for disease and therapy response. They show promise in overcoming drug resistance and sensitizing cancer cells, with ongoing clinical trials supporting their therapeutic potential.
Area of Science:
- Molecular Biology
- Oncology
- Biochemistry
Background:
- Small noncoding RNAs, specifically microRNAs (miRNAs), regulate gene expression post-translationally.
- miRNAs are implicated in cancer initiation, progression, and response to anticancer therapies.
- They serve as biomarkers for drug resistance and can sensitize cancer cells to treatment.
Purpose of the Study:
- To review the role of miRNAs in cancer treatment.
- To present novel therapeutic strategies involving miRNAs.
- To highlight the potential of miRNAs in overcoming drug resistance.
Main Methods:
- Review of existing literature on miRNA therapeutics in cancer.
- Analysis of preclinical and clinical studies involving miRNA-based cancer treatments.
- Discussion of various miRNA delivery methods (synthetic mimics, DNA plasmids, epigenetic modulators).
Main Results:
- Hundreds of miRNAs identified as drug resistance biomarkers.
- miRNAs demonstrate potential to sensitize cancer cells to therapy.
- Studies in animal models and preclinical settings confirm miRNA effectiveness in solid and hematological cancers.
Conclusions:
- miRNAs hold significant promise for enhancing anticancer therapy and overcoming drug resistance.
- Clinical trials support the use of miRNA molecules in cancer treatment.
- Further research is needed to address limitations in nanoconstruct development, delivery, and biodistribution.
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