ArticleMolecular therapy. Nucleic acids2023
Tumor targeting and therapeutic assessments of RNA nanoparticles carrying α9-nAChR aptamer and anti-miR-21 in triple-negative breast cancers.
Article in Molecular therapy. Nucleic acids, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed.
- Developing Potent Therapeutics for Liver Cancer Chemoresistance via an RNA Nanotech and Series-Circuit-Christmas-Bulb Mechanism Targeting ABC Transporters.Molecular pharmaceutics · 2026Review
- Nucleic Acid Nanoparticles Redefine Traditional Regulatory Terminology: The Blurred Line between Active Pharmaceutical Ingredients and Excipients.ACS nano medicine · 2025Article
- The role of acetylcholine and its receptors in tumor immune regulation: mechanisms and potential therapeutic targets.Molecular cancer · 2025Review
- The Role of Non-Coding Regions in Breast Cancer: From Gene Regulation to Therapeutic Implications.Pharmaceuticals (Basel, Switzerland) · 2025Review
- Aptamer-targeted anti-miR RNA construct based on 3WJ as a new approach for the treatment of chronic kidney disease in an experimental model.Gene therapy · 2025Article
- Review
- Leveraging Immunological Properties of Nucleic Acid Nanoparticles to Improve Cancer Therapy.RNA nanomed · 2025Article
- Use of Mesenchymal Stem Cell-Targeting 3WJ Nanoparticles and Reported Specific Delivery of Anti-miRNA 138 to Treat Osteoporosis.ACS omega · 2025Article
- Perspectives on the α5 nicotinic acetylcholine receptor in lung cancer progression.Frontiers in cell and developmental biology · 2025Review
- Article
- Immunostimulation of Fibrous Nucleic Acid Nanoparticles Can be Modulated through Aptamer-Based Functional Moieties: Unveiling the Structure-Activity Relationship and Mechanistic Insights.ACS applied materials & interfaces · 2024Article
- Targeted Delivery of Potent Chemical Drugs and RNAi to Drug-Resistant Breast Cancer Using RNA-Nanotechnology and RNA-Ligand Displaying Extracellular vesicles.RNA nanomed · 2024Article
- Targeting miR-21 to Overcome P-glycoprotein Drug Efflux in Doxorubicin-Resistant 4T1 Breast Cancer.Biomaterials research · 2024Article
- RNA nanoparticles for targeted therapies of triple-negative breast cancers.Molecular therapy. Nucleic acids · 2023Article
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7 authors.
Funding
Abstract
Triple-negative breast cancer (TNBC) is highly aggressive with a poor prognosis because of a lack of cell markers as drug targets. α9-Nicotinic acetylcholine receptor (nAChR) is expressed abundantly in TNBC; thus, it is a valuable biomarker for TNBC detection and treatment. In this study, we utilized thermodynamically stable three-way junction (3WJ) packaging RNA (pRNA) as the core to construct RNA nanoparticles with an α9-nAChR RNA aptamer as a targeting ligand and an anti-microRNA-21 (miR-21) as a therapeutic module. We compared the configuration of the two RNA nanoparticles and found that 3WJ-B-α9-nAChR-aptamer fluorescent RNA nanoparticles (3WJ-B-α9-apt-Alexa) exhibited better specificity for α9-nAChR in TNBC cells compared with 3WJ-C-α9-nAChR. Furthermore, 3WJ-B-α9-apt-Alexa bound more efficiently to TNBC patient-derived xenograft (PDX) tumors than 3WJ fluorescent RNA nanoparticles (3WJ-Alexa) with little or no accumulation in healthy organs after systemic injection in mice. Moreover, 3WJ-B-α9-nAChR-aptamer RNA nanoparticles carrying anti-miR-21 (3WJ-B-α9-apt-anti-miR-21) significantly suppressed TNBC-PDX tumor growth and induced cell apoptosis because of reduced miR-21 gene expression and upregulated the phosphatase and tensin homolog (PTEN) and programmed cell death 4 (PDCD4) proteins. In addition, no pathological changes were detected upon toxicity examination of treated mice. In conclusion, the 3WJ-B-α9-nAChR-aptamer RNA nanoparticles established in this study efficiently deliver therapeutic anti-miR-21, indicating their potential as a novel TNBC therapy.
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