ArticleNanoscale advances2024
Charge neutralized poly(β-amino ester) polyplex nanoparticles for delivery of self-amplifying RNA.
Article in Nanoscale advances, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 16 citations in OpenAlex.
- Combinatorial synthesis of novel polycations for mRNA deliveryRSC applied polymers · 2026Article
- Polyanion Chemistry Engineers Ternary RNA Nanoparticle Structure/Function from the Inside-Out.ACS nano · 2026Article
- Poly(beta-amino esters): applications in immunology.Chemical science · 2026Review
- Overview of polymeric polyplexes for dsRNA delivery in insects: complexation, stability, and design considerations.Frontiers in insect science · 2026Review
- A Self-Amplifying RNA Lipid Nanoparticle (saRNA-LNP) Vaccine Provides Effective Protection Against Porcine Epidemic Diarrhea.Transboundary and emerging diseases · 2026Article
- mRNA vaccine platforms and novel delivery systems: From mechanistic principles to clinical translation.Human vaccines & immunotherapeutics · 2025Review
- mRNA-Based Neoantigen Vaccines in Pancreatic Ductal Adenocarcinoma (PDAC)-A Promising Avenue in Cancer Immunotherapy.International journal of molecular sciences · 2025Review
- Anti-Angiogenic RNAi-Based Treatment of Endometriosis in a Rat Model Using CXCR4-Targeted Peptide Nanoparticles.International journal of molecular sciences · 2025Article
- Progress and prospects of mRNA-based drugs in pre-clinical and clinical applications.Signal transduction and targeted therapy · 2024Review
- Interaction of γ-Polyglutamic Acid/Polyethyleneimine/Plasmid DNA Ternary Complexes with Serum Components Plays a Crucial Role in Transfection in Mice.Pharmaceutics · 2024Article
Corrections and comments
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Authors and funding
12 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Therapeutic self-amplifying RNA (saRNA) is a promising approach for disease treatment, as it can be administered in lower doses than messenger RNA (mRNA) to achieve comparable protein production levels. However, saRNA requires an appropriate delivery vehicle to protect it during transit and facilitate its transfection. A widely-adopted approach has been to use polycations to condense these large anionic macromolecules into polyplex nanoparticles, however their high charge density often elicits cytotoxic effects. In this study we postulated that we could improve the potency and tolerability of such delivery vehicles by co-formulating poly(β-amino ester)s saRNA polyplexes with a non-toxic anionic polymer, γ-polyglutamic acid (γ-PGA) to neutralize partially this positive charge. Accordingly, we prepared a poly(β-amino ester) from 1,6-hexanedioldiacrylate (HDDA) and 4-aminobutanol (ABOL) and initially evaluated the physicochemical properties of the binary polyplexes (
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.