Evidence map›Paper›PMID 34784366›Full record

ArticlePloS one2021

Salmonella chitosan nanoparticle vaccine administration is protective against Salmonella Enteritidis in broiler birds.

Keila Y Acevedo-Villanueva, Sankar Renu, Revathi Shanmugasundaram, Gabriel O Akerele, Renukaradhy J Gourapura, Ramesh K Selvaraj

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2021. 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
1.6field-weighted citation impact, top 17% 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, 17 citations in OpenAlex.

  1. Article
  2. Orally delivered chitosan-basedFrontiers in immunology · 2026
    Article
  3. Article
  4. Review
  5. The identification ofOpen veterinary journal · 2025
    Article
  6. Article
  7. PipC affects the virulence ofFrontiers in microbiology · 2025
    Article
  8. Microorganisms · 2023
    Review
  9. Review
  10. Prevention and Control of HumanInternational journal of food science · 2023
    Review
  11. Review
  12. Animals : an open access journal from MDPI · 2022
    Article
  13. Article
  14. Non-Antibiotics Strategies to ControlAnimals : an open access journal from MDPI · 2022
    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

6 authors at 2 institutions in 1 country.

Keila Y Acevedo-VillanuevaDepartment of Poultry Science, The University of Georgia, Athens, Georgia, United States of America.ORCID 0000-0002-4164-7658
Sankar RenuDepartment of Veterinary Preventative Medicine, Center for Food Animal Health, Ohio Agricultural Research and Development Center, The Ohio State University, Columbus, Ohio, United States of America.
Revathi ShanmugasundaramUSDA-ARS, Toxicology and Mycotoxins Research Unit, Athens, Georgia, United States of America.ORCID 0000-0003-0546-6902
Gabriel O AkereleDepartment of Poultry Science, The University of Georgia, Athens, Georgia, United States of America.
Renukaradhy J GourapuraDepartment of Veterinary Preventative Medicine, Center for Food Animal Health, Ohio Agricultural Research and Development Center, The Ohio State University, Columbus, Ohio, United States of America.
Ramesh K SelvarajDepartment of Poultry Science, The University of Georgia, Athens, Georgia, United States of America.
University of Georgia · USThe Ohio State University · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Salmonella control strategies include vaccines that help reduce the spread of Salmonella in poultry flocks. In this study we evaluated the efficacy of administering a live Salmonella vaccine followed by a killed Salmonella chitosan nanoparticle (CNP) vaccine booster on the cellular and humoral immunity of broilers. The CNP vaccine was synthesized with Salmonella Enteritidis (S. Enteritidis) outer-membrane-proteins (OMPs) and flagellin-proteins. At d1-of-age, one-hundred-sixty-eight chicks were allocated into treatments: 1) No vaccine, 2) Live vaccine (Poulvac®ST), 3) CNP vaccine, 4) Live+CNP vaccine. At d1-of-age, birds were orally vaccinated with PBS, Live vaccine, or CNP. At d7-of-age, the No vaccine, Live vaccine and CNP vaccine groups were boosted with PBS and the Live+CNP vaccine group was boosted with CNP. At d14-of-age, birds were challenged with 1×109 CFU/bird S. Enteritidis. There were no significant differences in body-weight-gain (BWG) or feed-conversion-ratio (FCR). At 8h-post-challenge, CNP and Live+CNP-vaccinated birds had 17% and 24% greater levels (P<0.05) of anti-Salmonella OMPs IgA in bile, respectively, compared to control. At d28-of-age, CNP, Live, and Live+CNP-vaccinated birds had 33%, 18%, and 24% greater levels (P<0.05) of anti-Salmonella OMPs IgA in bile, respectively, compared to control. At d14-of-age, Live+CNP-vaccinated birds had 46% greater levels (P<0.05) of anti-Salmonella OMPs IgY in serum, compared to control. At d21-of-age, splenocytes from CNP and Live-vaccinated birds had increased (P<0.05) T-lymphocyte proliferation at 0.02 mg/mL OMPs stimulation compared to the control. At d28-of-age, CNP and Live+CNP-vaccinated birds had 0.9 Log10 CFU/g and 1 Log10 CFU/g decreased S. Enteritidis cecal loads (P<0.05), respectively, compared to control. The CNP vaccine does not have adverse effects on bird's BWG and FCR or IL-1β, IL-10, IFN-γ, or iNOS mRNA expression levels. It can be concluded that the CNP vaccine, as a first dose or as a booster vaccination, is an alternative vaccine candidate against S. Enteritidis in broilers.

Indexed as

ChickensChitosanNanoparticlesPoultry DiseasesSalmonella Infections, AnimalSalmonella VaccinesAnimalsAntibodies, BacterialImmunity, HumoralSalmonella enteritidisAntibodies, BacterialChitosanSalmonella Vaccines

Identifiers

PMID34784366
PMCPMC8594846
OpenAlexW3211931569

What OpenQuestion holds

Textmetadata
LicenceCC0
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.