Evidence map›Paper›PMID 40573912›Full record

ArticleVaccines2025

Optimized Production of Virus-like Particles in a High-CHO-Cell-Density Transient Gene Expression System for Foot-and-Mouth Disease Vaccine Development.

Ana Clara Mignaqui, Alejandra Ferella, Cintia Sánchez, Matthew Stuible, Romina Scian, Jorge Filippi, Sabrina Beatriz Cardillo, Yves Durocher, Andrés Wigdorovitz

Abstract read
In one paragraph

Article in Vaccines, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing 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

2 citing papers in PubMed.

  1. Article
  2. 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

9 authors.

Ana Clara MignaquiInstituto de Virología e Innovaciones Tecnológicas, IVIT, INCUINTA, CONICET-INTA, Hurlingham 1686, Buenos Aires, Argentina.
Alejandra FerellaInstituto de Virología e Innovaciones Tecnológicas, IVIT, INCUINTA, CONICET-INTA, Hurlingham 1686, Buenos Aires, Argentina.ORCID 0000-0002-3848-4595
Cintia SánchezBiogénesis Bagó, Garín 1619, Buenos Aires, Argentina.
Matthew StuibleHuman Health Therapeutics Research Center, National Research Council Canada, Montreal, QC H4P 2R2, Canada.
Romina ScianBiogénesis Bagó, Garín 1619, Buenos Aires, Argentina.
Jorge FilippiBiogénesis Bagó, Garín 1619, Buenos Aires, Argentina.
Sabrina Beatriz CardilloBiogénesis Bagó, Garín 1619, Buenos Aires, Argentina.
Yves DurocherHuman Health Therapeutics Research Center, National Research Council Canada, Montreal, QC H4P 2R2, Canada.ORCID 0000-0002-2268-4111
Andrés WigdorovitzInstituto de Virología e Innovaciones Tecnológicas, IVIT, INCUINTA, CONICET-INTA, Hurlingham 1686, Buenos Aires, Argentina.

Funding

Agencia Nacional de Promoción de la Investigación, el Desarrollo Tecnológico y la Innovación PICT Aplicados 2021 Categoría III - Proyecto Nº 0025
6 · The paper itself

Abstract

BACKGROUND/

objectivesFoot-and-mouth disease virus (FMDV) poses a continuous threat to livestock health and agricultural economies. Current vaccines require high biosafety standards and are costly to produce. While novel vaccine technologies have been explored, most fail to meet industrial scalability, cost-efficiency, or multiserotype flexibility required for effective FMD control. This study aimed to evaluate the feasibility of using a high-cell density transient gene expression (TGE) system in CHO cells for the production of FMDV virus-like particles (VLPs) as a recombinant vaccine platform.

methodsVLP expression was optimized by adjusting cDNA and polyethyleneimine (PEI) concentrations. Expression yields were compared at 24 and 48 h post-transfection to determine optimal harvest timing. We further tested the system's capacity to express different serotypes and chimeric constructs, incorporating VP1 sequences from various FMDV strains. Immunogenicity was evaluated in swine using VLPs from the A2001 Argentina strain as a model.

resultsOptimal VLP expression was achieved at 24 h post-transfection. Chimeric constructs incorporating heterologous VP1 regions were successfully expressed. Immunized pigs developed protective antibody titers as measured by a virus neutralization test (VNT, log

conclusionsOur results demonstrate the feasibility of using CHO cell-based TGE for producing immunogenic FMDV VLPs. This platform shows promise for scalable, cost-effective, and biosafe development of recombinant FMD vaccines.

Indexed as

CHO cellsfoot-and-mouth disease virusvirus-like particles

Identifiers

PMID40573912
PMCPMC12197728

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Registered trials

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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.