Evidence map›Paper›PMID 40130674›Full record

ArticleElectrophoresis2025

A Comprehensive Evaluation of Analytical Method Parameters Critical to the Reliable Assessment of Therapeutic mRNA Integrity by Capillary Gel Electrophoresis.

Jessica P Tran, Jun Gao, Casey Lansdell, Barry Lorbetskie, Michael J W Johnston, Lisheng Wang, Xuguang Li, Huixin Lu

Abstract read
In one paragraph

Article in Electrophoresis, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing 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

3 citing papers in PubMed.

  1. Review
  2. Article
  3. Drug Product Development of Lipid Nanoparticle-Based mRNA Therapeutics and Vaccines.Wiley interdisciplinary reviews. Nanomedicine and nanobiotechnology
    Review
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

8 authors.

Jessica P TranCentre for Oncology, Radiopharmaceuticals and Research, Biologic and Radiopharmaceutical Drugs Directorate, Health Products and Food Branch, Health Canada, Ottawa, Ontario, Canada.
Jun GaoCentre for Vaccines, Clinical Trials and Biostatistics, Biologic and Radiopharmaceutical Drugs Directorate, Health Products and Food Branch, Health Canada, Ottawa, Ontario, Canada.
Casey LansdellCentre for Oncology, Radiopharmaceuticals and Research, Biologic and Radiopharmaceutical Drugs Directorate, Health Products and Food Branch, Health Canada, Ottawa, Ontario, Canada.
Barry LorbetskieCentre for Oncology, Radiopharmaceuticals and Research, Biologic and Radiopharmaceutical Drugs Directorate, Health Products and Food Branch, Health Canada, Ottawa, Ontario, Canada.
Michael J W JohnstonCentre for Oncology, Radiopharmaceuticals and Research, Biologic and Radiopharmaceutical Drugs Directorate, Health Products and Food Branch, Health Canada, Ottawa, Ontario, Canada.
Lisheng WangDepartment of Biochemistry, Microbiology and Immunology, Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada.
Xuguang LiCentre for Oncology, Radiopharmaceuticals and Research, Biologic and Radiopharmaceutical Drugs Directorate, Health Products and Food Branch, Health Canada, Ottawa, Ontario, Canada.
Huixin LuCentre for Oncology, Radiopharmaceuticals and Research, Biologic and Radiopharmaceutical Drugs Directorate, Health Products and Food Branch, Health Canada, Ottawa, Ontario, Canada.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

In recent years, messenger ribonucleic acid (mRNA)-lipid nanoparticle (LNP) biotherapeutics have demonstrated significant promise in disease treatment and prevention given their rapidly modifiable production processes and considerable capacity to adapt to complex or low-yielding proteins of interest. As a result, many products are currently being developed in this space. Critically, well-characterized and appropriately designed assays are required to monitor purity and integrity in order to maintain the efficacy and consistency of these novel products. Currently, capillary gel electrophoresis with laser-induced fluorescence (CGE-LIF) and ion-pair reversed-phase liquid chromatography (IP-RPLC) are techniques of choice for mRNA integrity analysis. However, most methods proposed for biotherapeutic analysis have been developed using naked mRNA without LNP components or proprietary buffer formulations, which can obscure undiscovered impurities or complex interactions between mRNA and the sample matrix. In this study, we addressed these methodological challenges by using a biotherapeutically relevant commercial mRNA-LNP sample (approx. 4200 b) to refine and optimize a customizable CGE-LIF method currently under consideration for mRNA-LNP biotherapeutic analysis. We systematically characterized how critical method parameters-such as denaturant type, concentration, and usage-and LNP disruption protocols can interfere with accurate mRNA integrity analysis in CGE-LIF and IP-RPLC. We found that optimal conditions for CGE-LIF assay sensitivity, variability, and resolution included sample precipitation by isopropanol, high urea concentrations, no formamide as a sample diluent, and high concentrations of dye. Finally, the advantages and disadvantages of both CGE-LIF and IP-RPLC are highlighted, and a discussion of key considerations when using or designing methods for mRNA integrity assessment is presented.

Indexed as

RNA, MessengerElectrophoresis, CapillaryLipidsNanoparticlesReproducibility of ResultsRNA StabilityLipidsRNA, Messengerbiotherapeuticscapillary gel electrophoresis with laser‐induced fluorescence (CGE‐LIF)ion‐pair reversed‐phase liquid chromatography (IP‐RPLC)lipid nanoparticle (LNP)messenger ribonucleic acid (mRNA)

Identifiers

PMID40130674
PMCPMC12039171

What Socratic holds

Textmetadata
LicenceCC BY-NC
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 Socratic graph.