Evidence map›Paper›PMID 19447955›Full record

ArticleApplied and environmental microbiology2009

Induction of immune responses in mice after oral immunization with recombinant Lactobacillus casei strains expressing enterotoxigenic Escherichia coli F41 fimbrial protein.

Jian-Kui Liu, Xi-Lin Hou, Chun-Hua Wei, Li-Yun Yu, Xiao-Jie He, Gui-Hua Wang, Jong-Soo Lee, Chul-Joong Kim

Open access · greenAbstract read
In one paragraph

Article in Applied and environmental microbiology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing 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

13 citing papers in PubMed, 48 citations in OpenAlex.

  1. Article
  2. Frontiers in microbiology · 2023
    Article
  3. Article
  4. RecombinantFrontiers in immunology · 2022
    Article
  5. Peptide-Based Vaccines for Tuberculosis.Frontiers in immunology · 2022
    Review
  6. Review
  7. Article
  8. Article
  9. Article
  10. Review
  11. Article
  12. Article
  13. mSphere
    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 at 2 institutions in 2 countries.

Jian-Kui LiuHeilongjiang August First Land Reclamation University, Daqing, China.
Xi-Lin Hou
Chun-Hua Wei
Li-Yun Yu
Xiao-Jie He
Gui-Hua Wang
Jong-Soo Lee
Chul-Joong Kim
Heilongjiang Academy of Land Reclamation Sciences · CNChungnam National University · KR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

In an effort to develop a safe and effective vaccine for the prevention of enterotoxigenic Escherichia coli (ETEC) F41 infections, we have developed a surface antigen display system using poly-gamma-glutamate synthetase A (PgsA) as an anchoring matrix. The recombinant fusion proteins comprised of PgsA and fimbrial protein of F41 were stably expressed in Lactobacillus casei 525. Surface localization of the fusion protein was verified by immunoblotting, immunofluorescence microscopy, and flow cytometry. Oral inoculation of recombinant L. casei 525 into specific-pathogen-free BALB/c mice resulted in significant mucosal immunoglobulin A (IgA) titers that remained elevated for >16 weeks. High levels of IgG responses in sera specific for F41 fimbriae were also induced, with prominent IgG1 titers as well as IgG2a and IgG2b titers. The helper T-cell (Th) response was Th2-cell dominant, as evidenced by increased mucosal and systemic interleukin-4-producing T cells and a concomitant elevation of serum IgG1 antibody responses. More than 80% of the mice were protected against challenge with a 2 x 10(4)-fold 50% lethal dose of standard-type F41 (C83919). The induced antibodies were important for eliciting a protective immune response against F41 infection. These results indicated that the use of recombinant L. casei 525 could be a valuable strategy for future vaccine development for ETEC.

Indexed as

Genetic VectorsAdministration, OralAnimalsAntibodies, BacterialAntigens, BacterialCytokinesEnterotoxigenic Escherichia coliEscherichia coli InfectionsEscherichia coli ProteinsEscherichia coli VaccinesImmunoglobulin AImmunoglobulin GIntestinal MucosaLacticaseibacillus caseiLethal Dose 50MiceAntibodies, BacterialAntigens, BacterialCytokinesEscherichia coli ProteinsEscherichia coli VaccinesF41 antigen, E coliImmunoglobulin AImmunoglobulin GRecombinant Fusion Proteins

Identifiers

PMID19447955
PMCPMC2704837
OpenAlexW2077184503

What OpenQuestion holds

Textmetadata
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.