Evidence map›Paper›PMID 37289289›Full record

ArticleEuropean biophysics journal : EBJ2023

Determination of mRNA copy number in degradable lipid nanoparticles via density contrast analytical ultracentrifugation.

Alexander Bepperling, Gesa Richter

Abstract read
In one paragraph

Article in European biophysics journal : EBJ, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.

0numbers the graph read from it
0cells of the map it votes in
24citing papers in PubMed
–field-weighted citation impact
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

24 citing papers in PubMed.

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  11. Rational design of lipid nanoparticles for enabling gene therapies.Molecular therapy. Methods & clinical development · 2025
    Review
  12. Single particle charge detection mass spectrometry enables molecular characterization of lipid nanoparticles and mRNA packaging.Journal of controlled release : official journal of the Controlled Release Society · 2025
    Article
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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

2 authors.

Alexander BepperlingNovartis TRD, Keltenring 1+3, 82041, Oberhaching, Germany. alexander.bepperling@novartis.com.ORCID http://orcid.org/0000-0001-9392-0700
Gesa RichterNovartis TRD, Keltenring 1+3, 82041, Oberhaching, Germany.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Lipid nanoparticles as delivery system for mRNA have recently attracted attention to a broader audience as COVID-19 mRNA vaccines. Their low immunogenicity and capability to deliver a variety of nucleic acids renders them an interesting and complementary alternative to gene therapy vectors like AAVs. An important quality attribute of LNPs is the copy number of the encapsulated cargo molecule. This work describes how density and molecular weight distributions obtained by density contrast sedimentation velocity can be used to calculate the mRNA copy number of a degradable lipid nanoparticle formulation. The determined average copy number of 5 mRNA molecules per LNP is consistent with the previous studies using other biophysical techniques, such as single particle imaging microscopy and multi-laser cylindrical illumination confocal spectroscopy (CICS).

Indexed as

COVID-19NanoparticlesDNA Copy Number VariationsHumansLipidsLiposomesRNA, MessengerUltracentrifugationLipid NanoparticlesLipidsLiposomesRNA, MessengerAnalytical ultracentrifugationDensity matchingGene therapyLipid nanoparticlemRNA

Identifiers

PMID37289289
PMCPMC10248324

What OpenQuestion holds

Textmetadata
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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.