Evidence map›Paper›PMID 29954081›Full record

ArticleViruses2018

Display of Porcine Epidemic Diarrhea Virus Spike Protein on Baculovirus to Improve Immunogenicity and Protective Efficacy.

Chia-Yu Chang, Wei-Ting Hsu, Yu-Chan Chao, Hui-Wen Chang

Abstract read
In one paragraph

Article in Viruses, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.

0numbers the graph read from it
0cells of the map it votes in
30citing 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

30 citing papers in PubMed.

  1. Article
  2. International journal of molecular sciences · 2025
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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

4 authors.

Chia-Yu ChangSchool of Veterinary Medicine, National Taiwan University, Taipei 106, Taiwan. f04644007@ntu.edu.tw.
Wei-Ting HsuInstitute of Molecular Biology, Academia Sinica, Nankang, Taipei 115, Taiwan. waitinglovekeroro@gmail.com.
Yu-Chan ChaoInstitute of Molecular Biology, Academia Sinica, Nankang, Taipei 115, Taiwan. mbycchao@gate.sinica.edu.tw.
Hui-Wen ChangSchool of Veterinary Medicine, National Taiwan University, Taipei 106, Taiwan. huiwenchang@ntu.edu.tw.ORCID 0000-0001-8877-1886

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

A new variant of the porcine epidemic diarrhea virus (PEDV) is an emerging swine disease, killing considerable numbers of neonatal piglets in North America and Asia in recent years. To generate immunogens mimicking the complex spike (S) protein folding with proper posttranslational modification to mount a robust immune response against the highly virulent PEDV, two baculoviruses displaying the full-length S protein (S-Bac) and the S1 protein (S1-Bac) of the virulent Taiwan genotype 2b (G2b) PEDV Pintung 52 (PEDV-PT) strain were constructed. Intramuscular immunizations of mice and piglets with the S-Bac and S1-Bac demonstrated significantly higher levels of systemic anti-PEDV S-specific IgG, as compared with control group. Our results also showed that piglets in the S-Bac group elicited superior PEDV-specific neutralizing antibodies than those of the S1-Bac and control groups. The highly virulent PEDV-PT strain challenge experiment showed that piglets immunized with S-Bac and S1-Bac showed milder clinical symptoms with significantly less fecal viral shedding as compared with non-immunized control piglets. More importantly, piglets immunized with the S-Bac exhibited no to mild clinical signs, with a delayed, minimal viral shedding. Our results demonstrated that the S-Bac could serve as a safe, easy to manipulate, and effective vaccine candidate against the PEDV infection.

Indexed as

AnimalsAnimals, SucklingAntibodies, NeutralizingAntibodies, ViralBaculoviridaeCoronavirus InfectionsFecesGenotypeImmunogenicity, VaccineImmunoglobulin GInjections, IntramuscularPorcine epidemic diarrhea virusSpike Glycoprotein, CoronavirusSwineSwine DiseasesViral VaccinesAntibodies, NeutralizingAntibodies, ViralImmunoglobulin GSpike Glycoprotein, CoronavirusViral Vaccinesbaculovirus display systemintramuscular injectionPEDVspike vaccine

Identifiers

PMID29954081
PMCPMC6071207

What OpenQuestion holds

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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.