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Published on: February 1, 2019
Lipid Nanovectors to Deliver RNA Oligonucleotides in Cancer
Virginia Campani1, Giuseppina Salzano2, Sara Lusa3
1Department of Pharmacy, University Federico II of Naples, Via Domenico Montesano 49, 80131 Naples, Italy. virginia.campani@unina.it.
Abstract:
The growing knowledge on the mechanisms of gene silencing and gene regulation by non-coding RNAs (ncRNA), mainly small interfering RNA (siRNA) and microRNA (miRNA), is providing a significant boost to the development of new therapeutic strategies for the treatment of cancer. However, the design of RNA-based therapeutics is hampered by biopharmaceutical issues, thus requiring the use of suitable delivery strategies. In this regards, lipid nanovectors have been successfully investigated to deliver RNA in different forms of cancer. Compared to other biomaterials, lipids offer advantages such as biocompatibility, biodegradability, easy production, low cost, limited toxicity and immunogenicity. The possibility to formulate these materials in the form of nanovectors allows overcoming biopharmaceutical issues associated to the therapeutic use of RNA, with the possibility to target tumors. This review takes stock of the main lipid nanovectors proposed to deliver ncRNA. For each considered delivery strategy, the rational design and the most meaningful in vitro and in vivo results are reported and discussed.
Insights
Lipid nanovectors show promise for delivering non-coding RNAs (ncRNA) to treat cancer by overcoming delivery challenges. These biocompatible nanoparticles enhance the therapeutic potential of small interfering RNA (siRNA) and microRNA (miRNA) in cancer treatment.
Area of Science:
- Biotechnology
- Molecular Biology
- Oncology
Background:
- Gene silencing and regulation by non-coding RNAs (ncRNA), including small interfering RNA (siRNA) and microRNA (miRNA), are crucial for cancer development.
- RNA-based therapeutics offer significant potential for cancer treatment but face biopharmaceutical delivery challenges.
Purpose of the Study:
- To review and discuss lipid nanovectors as a strategy for delivering ncRNA in cancer therapy.
- To analyze the rational design and reported outcomes of various lipid nanovector delivery systems for ncRNA.
Main Methods:
- Literature review of studies investigating lipid nanovectors for ncRNA delivery.
- Analysis of in vitro and in vivo data for different lipid nanovector formulations.
- Discussion of the advantages of lipid-based biomaterials for RNA delivery.
Main Results:
- Lipid nanovectors are effective in delivering RNA for various cancer types.
- Lipids offer advantages like biocompatibility, biodegradability, low cost, and reduced toxicity compared to other biomaterials.
- Nanovector formulation overcomes RNA biopharmaceutical issues and enables tumor targeting.
Conclusions:
- Lipid nanovectors represent a promising strategy for overcoming delivery challenges in RNA-based cancer therapeutics.
- Further research into rational design and evaluation of lipid nanovectors is essential for advancing ncRNA cancer therapy.
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