Volume 10 Number 2 2026
Engineering Lipid Nanoparticles for Mutation-Agnostic Pulmonary Gene Therapy in Cystic Fibrosis, Beyond mRNA Vaccines
Afia Farjana Trishna 1* Md Sohel Rana 2, Most Farhana Akter 2, Anwar Hossain 3
Integrative Biomedical Research 10 (2) 1-8 https://doi.org/10.25163/biomedical.10210929
Submitted: 12 July 2026 Revised: 08 September 2026 Accepted: 14 September 2026 Published: 16 September 2026
Cystic fibrosis (CF) is, in some sense, a disease that modern medicine has only half-solved. Small-molecule CFTR modulators have transformed outcomes for most patients, yet roughly one in ten still carries nonsense or splicing mutations for which no protein-folding corrector can help, because there is, quite literally, no protein to correct. This review works through how lipid nanoparticles (LNPs), the platform that carried mRNA vaccines into hundreds of millions of arms during the COVID-19 pandemic, are being reshaped for a very different job: reaching, and durably editing, the airway epithelium. We trace the obstacle course an inhaled LNP must survive - viscoelastic CF mucus, an apical membrane with little appetite for non-specific uptake, and a notoriously leaky endosomal escape step - and examine how five convergent design strategies (PEG and helper-lipid tuning, phytosterol substitution, selective organ targeting lipids, ligand/peptide conjugation, and dry-powder reformulation) address each obstacle. Drawing on primary human airway and organoid-level evidence, we synthesize editing efficiencies across CRISPR/Cas9, base-editing, prime-editing, and homology-directed repair platforms, and set these alongside parallel advances in ocular gene editing that illustrate how programmable nanoparticle tropism has become. We further examine extrahepatic targeting logic - route of administration, PEGylation state, and protein corona engineering - across lung endothelium versus epithelium. Finally, we map the current clinical pipeline (ARCT-032, VX-522, RCT2100, and their forerunners) against the safety and translational gaps still separating bench success from bedside cure. Altogether, the evidence points toward inhaled LNP-based gene editing converging, gradually but unmistakably, on a solution that may eventually offer a mutation-agnostic cure for CF.
Keywords: Cystic fibrosis (CFTR), Lipid nanoparticles (LNPs), Inhaled gene editing / CRISPR-Cas9, Airway epithelium delivery; mRNA-based gene therapy
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