Cited by 272RNA Interference and Gene DeliveryCystic Fibrosis Research AdvancesInhalation and Respiratory Drug Delivery

Lipid Nanoparticle-Delivered Chemically Modified mRNA Restores Chloride Secretion in Cystic Fibrosis

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Robinson, Ema, MacDonald, Kelvin D., Slaughter, Kai, McKinney, Madison, Patel, Siddharth, Sun, Conroy, Sahay, Gaurav·2018·Molecular Therapy

Abstract

The promise of gene therapy for the treatment of cystic fibrosis has yet to be fully clinically realized despite years of effort toward correcting the underlying genetic defect in the cystic fibrosis transmembrane conductance regulator (CFTR). mRNA therapy via nanoparticle delivery represents a powerful technology for the transfer of genetic material to cells with large, widespread populations, such as airway epithelia. We deployed a clinically relevant lipid-based nanoparticle (LNP) for packaging and delivery of large chemically modified CFTR mRNA (cmCFTR) to patient-derived bronchial epithelial cells, resulting in an increase in membrane-localized CFTR and rescue of its primary function as a chloride channel. Furthermore, nasal application of LNP-cmCFTR restored CFTR-mediated chloride secretion to conductive airway epithelia in CFTR knockout mice for at least 14 days. On day 3 post-transfection, CFTR activity peaked, recovering up to 55% of the net chloride efflux characteristic of healthy mice. This magnitude of response is superior to liposomal CFTR DNA delivery and is comparable with outcomes observed in the currently approved drug ivacaftor. LNP-cmRNA-based systems represent a powerful platform technology for correction of cystic fibrosis and other monogenic disorders.

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Crossref · 10.1016/j.ymthe.2018.05.014

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Authors
Robinson, E., MacDonald, K. D., Slaughter, K., McKinney, M., Patel, S., Sun, C., & Sahay, G.
Affiliations
Oregon State University (US)
Corresponding author
Sahay, Gaurav
Venue
Molecular Therapy
Publisher
Elsevier BV
Published
2018-08
Volume
26
Issue
8
Pages
2034-2046
ISSN
1525-0016 (ISSN-L)
OpenAlex
W2808558611
Cited by
272
References
118
Citations by year
2026: 18 · 2025: 36 · 2024: 40 · 2023: 44 · 2022: 55 · 2021: 30 · 2020: 28 · 2019: 18 · 2018: 3
FWCI
7.02
Type
journal article
Language
en
Open access
Locations
  • Molecular Therapy (publishedVersion, cc-by-nc-nd)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Cystic Fibrosis Foundation
  • OSU College of Pharmacy
  • National Institute of Biomedical Imaging and Bioengineering (1R15EB021581-01)
  • National Institute of General Medical Sciences (1R35GM119839-01)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Interference and Gene Delivery
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Cystic Fibrosis Research Advances
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Inhalation and Respiratory Drug Delivery
Keywords
cystic fibrosis, CFTR, lipid nanoparticles, chemically modified mRNA, mRNA therapeutics, chloride secretion, airway epithelial cells, intranasal drug delivery, CFTR knockout mice, gene therapy, ivacaftor
MeSH terms
Administration, Intranasal, Animals, Cell Line, Cystic Fibrosis, Disease Models, Animal, Epithelial Cells, Female, Humans, RNA, Messenger, Transfection, Genetic Therapy, Cystic Fibrosis Transmembrane Conductance Regulator, Mice, Nanoparticles

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