Evidence map›Paper›PMID 38023707›Full record

ArticleBioengineering & translational medicine2023

Optimization of ionizable lipids for aerosolizable mRNA lipid nanoparticles.

Mae M Lewis, Melissa R Soto, Esther Y Maier, Steven D Wulfe, Sandy Bakheet, Hannah Obregon, Debadyuti Ghosh

Open access · goldAbstract read
In one paragraph

Article in Bioengineering & translational medicine, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed
4.2field-weighted citation impact, top 5% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

14 citing papers in PubMed, 27 citations in OpenAlex.

  1. Review
  2. Review
  3. Article
  4. Nebulization of an mRNA-encoded monoclonal antibody for passive immunization of foals against Rhodococcus equi.Molecular therapy : the journal of the American Society of Gene Therapy · 2025
    Article
  5. Article
  6. Article
  7. Investigation of the impact of lipid nanoparticle compositions on the delivery and T cell response of circRNA vaccine.Journal of controlled release : official journal of the Controlled Release Society · 2025
    Article
  8. Review
  9. Article
  10. Article
  11. Article
  12. Review
  13. Review
  14. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors at 2 institutions in 1 country.

Mae M LewisDepartment of Biomedical Engineering The University of Texas at Austin Austin Texas USA.ORCID https://orcid.org/0000-0003-1335-111X
Melissa R SotoDivision of Molecular Pharmaceutics and Drug Delivery, College of Pharmacy The University of Texas at Austin Austin Texas USA.ORCID https://orcid.org/0000-0001-8233-2567
Esther Y MaierDrug Dynamics Institute The University of Texas at Austin Austin Texas USA.ORCID https://orcid.org/0000-0002-6242-3389
Steven D WulfeDivision of Molecular Pharmaceutics and Drug Delivery, College of Pharmacy The University of Texas at Austin Austin Texas USA.ORCID https://orcid.org/0000-0003-3309-7614
Sandy BakheetDivision of Molecular Pharmaceutics and Drug Delivery, College of Pharmacy The University of Texas at Austin Austin Texas USA.ORCID https://orcid.org/0000-0001-8568-7101
Hannah ObregonDivision of Molecular Pharmaceutics and Drug Delivery, College of Pharmacy The University of Texas at Austin Austin Texas USA.
Debadyuti GhoshDivision of Molecular Pharmaceutics and Drug Delivery, College of Pharmacy The University of Texas at Austin Austin Texas USA.ORCID https://orcid.org/0000-0001-7552-363X
Austin College · USThe University of Texas at Austin · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Although mRNA lipid nanoparticles (LNPs) are highly effective as vaccines, their efficacy for pulmonary delivery has not yet fully been established. A major barrier to this therapeutic goal is their instability during aerosolization for local delivery. This imparts a shear force that degrades the mRNA cargo and therefore reduces cell transfection. In addition to remaining stable upon aerosolization, mRNA LNPs must also possess the aerodynamic properties to achieve deposition in clinically relevant areas of the lungs. We addressed these challenges by formulating mRNA LNPs with SM-102, the clinically approved ionizable lipid in the Spikevax COVID-19 vaccine. Our lead candidate, B-1, had the highest mRNA expression in both a physiologically relevant air-liquid interface (ALI) human lung cell model and in healthy mice lungs upon aerosolization. Further, B-1 showed selective transfection in vivo of lung epithelial cells compared to immune cells and endothelial cells. These results show that the formulation can target therapeutically relevant cells in pulmonary diseases such as cystic fibrosis. Morphological studies of B-1 revealed differences in the surface structure compared to LNPs with lower transfection efficiency. Importantly, the formulation maintained critical aerodynamic properties in simulated human airways upon next generation impaction. Finally, structure-function analysis of SM-102 revealed that small changes in the number of carbons can improve upon mRNA delivery in ALI human lung cells. Overall, our study expands the application of SM-102 and its analogs to aerosolized pulmonary delivery and identifies a potent lead candidate for future therapeutically active mRNA therapies.

Indexed as

aerosolizationionizable lipidlipid nanoparticlemRNApulmonary delivery

Identifiers

PMID38023707
PMCPMC10658486
OpenAlexW4386051462

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

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.