Evidence map›Paper›PMID 33479293›Full record

ArticleScientific reports2021

Specific egg yolk immunoglobulin as a promising non-antibiotic biotherapeutic product against Acinetobacter baumannii pneumonia infection.

Abolfazl Jahangiri, Parviz Owlia, Iraj Rasooli, Jafar Salimian, Ehsan Derakhshanifar, Zahra Aghajani, Sajad Abdollahi, Saeed Khalili, Daryush Talei, Elham Darzi Eslam

Open access · goldAbstract read
In one paragraph

Article in Scientific reports, 2021. 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
4.9field-weighted citation impact, top 4% 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, 42 citations in OpenAlex.

  1. Article
  2. Review
  3. Review
  4. Article
  5. Article
  6. Review
  7. IgYs: on her majesty's secret service.Frontiers in immunology · 2023
    Review
  8. Article
  9. Article
  10. Anti-Iranian journal of basic medical sciences · 2022
    Article
  11. Article
  12. Article
  13. Subunit vaccines forFrontiers in immunology · 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

10 authors at 4 institutions in 1 country.

Abolfazl JahangiriDepartment of Biology, Shahed University, Tehran-Qom Express Way, 3319118651, Tehran, Iran.
Parviz OwliaMolecular Microbiology Research Center and Department of Biology, Shahed University, Tehran, Iran.
Iraj RasooliDepartment of Biology, Shahed University, Tehran-Qom Express Way, 3319118651, Tehran, Iran. rasooli@shahed.ac.ir.
Jafar SalimianChemical Injuries Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran.
Ehsan DerakhshanifarPh.D. Student of Medical Biotechnology, Hamadan University of Medical Sciences, Hamadan, Iran.
Zahra AghajaniDepartment of Biology, Shahed University, Tehran-Qom Express Way, 3319118651, Tehran, Iran.
Sajad AbdollahiBehbahan Khatam Alanbia University of Technology, Behbahan, Iran.
Saeed KhaliliDepartment of Biology Sciences, Shahid Rajaee Teacher Training University, Tehran, Iran.
Daryush TaleiMedicinal Plants Research Center, Shahed University, Tehran, Iran.
Elham Darzi EslamDepartment of Biology, Shahed University, Tehran-Qom Express Way, 3319118651, Tehran, Iran.
Shahed University · IRBaqiyatallah University of Medical Sciences · IRHamedan University of Medical Sciences · IRShahid Rajaee Teacher Training University · IR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Acinetobacter baumannii is a serious health threat with a high mortality rate. We have already reported prophylactic effects of IgYs raised against OmpA and Omp34 as well as against inactivated whole-cell (IWC) of A. baumannii in a murine pneumonia model. However, the infection was exacerbated in the mice group that received IgYs raised against the combination of OmpA and Omp34. The current study was conducted to propose reasons for the observed antibody-dependent enhancement (ADE) in addition to the therapeutic effect of specific IgYs in the murine pneumonia model. This phenomenon was hypothetically attributed to topologically inaccessible similar epitopes of OmpA and Omp34 sharing similarity with peptides of mice proteins. In silico analyses revealed that some inaccessible peptides of OmpA shared similarity with peptides of Omp34 and Mus musculus. Specific anti-OmpA and anti-Omp34 IgYs cross-reacted with Omp34 and OmpA respectively. Specific IgYs showed different protectivity against A. baumannii AbI101 in the murine pneumonia model. IgYs triggered against OmpA or IWC of A. baumannii were the most protective antibodies. IgY triggered against Omp34 is ranked next after those against OmpA. The lowest protection was observed in mice received IgYs raised against the combination of rOmpA and rOmp34. In conclusion, specific IgYs against OmpA, Omp34, and IWC of A. baumannii could serve as novel biotherapeutics against A. baumannii pneumonia.

Indexed as

Acinetobacter baumanniiAnimalsAntibody-Dependent EnhancementBacterial Outer Membrane ProteinsDisease Models, AnimalEgg YolkEpitopesHumansImmunoglobulinsMicePneumoniaVaccinesBacterial Outer Membrane ProteinsEpitopesIgYImmunoglobulinsOMPA outer membrane proteinsVaccines

Identifiers

PMID33479293
PMCPMC7820402
OpenAlexW3121966571

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.