Evidence map›Paper›PMID 24124268›Full record

ArticleCanadian journal of veterinary research = Revue canadienne de recherche veterinaire2013

Species-specificity of equine and porcine Lawsonia intracellularis isolates in laboratory animals.

Francesca Sampieri, Fabio A Vannucci, Andrew L Allen, Nicola Pusterla, Aphroditi J Antonopoulos, Katherine R Ball, Julie Thompson, Patricia M Dowling, Don L Hamilton, Connie J Gebhart

Open access · greenAbstract read
In one paragraph

Article in Canadian journal of veterinary research = Revue canadienne de recherche veterinaire, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed
3.0field-weighted citation impact, top 10% 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

8 citing papers in PubMed, 20 citations in OpenAlex.

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  3. Synergic Effect ofAnimals : an open access journal from MDPI · 2023
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  4. Evaluation of host and bacterial gene modulation duringJournal of veterinary science · 2022
    Article
  5. Article
  6. Frontiers in veterinary science · 2018
    Review
  7. Review
  8. 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

10 authors at 1 institution in 1 country.

Francesca SampieriDepartment of Veterinary Biomedical Sciences (Sampieri, Antonopoulos, Ball, Dowling, Hamilton) and Department of Veterinary Pathology (Allen), Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, Saskatchewan S7N 5B4; Department of Veterinary and Biomedical Sciences, College of Veterinary Medicine, University of Minnesota, Saint Paul, Minnesota 55108, USA (Vannucci, Gebhart); Department of Veterinary Medicine and Epidemiology, School of Veterinary Medicine, University of California, Davis, California 95616, USA (Pusterla); Canadian Light Source, Saskatoon, Saskatchewan (Thompson).
Fabio A Vannucci
Andrew L Allen
Nicola Pusterla
Aphroditi J Antonopoulos
Katherine R Ball
Julie Thompson
Patricia M Dowling
Don L Hamilton
Connie J Gebhart
University of Saskatchewan · CA

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Lawsonia intracellularis infection causes proliferative enteropathy (PE) in many mammalian species, with porcine and equine proliferative enteropathy (PPE and EPE) known worldwide. Hamsters are a well-published animal model for PPE infection studies in pigs. There is no laboratory animal model for EPE infection studies and it is not known whether there is species-specificity for equine or porcine isolates of L. intracellularis in animal models. The objective of this study was to determine whether it is possible to generate typical EPE lesions in hamsters after inoculation with an equine strain of L. intracellularis (EPE strain) and whether it is comparatively possible to generate PPE lesions in rabbits after inoculation with a porcine strain of L. intracellularis (PPE strain). In 2 separate trials, 4-week-old and 3-week-old weanling golden Syrian hamsters were challenged with EPE strains and compared to uninfected (both trials) and PPE-infected controls (Trial 2 only). Concurrently, 6 female New Zealand white juvenile rabbits were infected with PPE strain and observed concomitantly to 8 similar rabbits infected with EPE strain for a different experiment. Hamsters and rabbits were observed for 21 to 24 days post-infection (DPI), depending on the experiment. Neither infected species developed clinical signs. The presence of disease was assessed with diagnostic techniques classically used for pigs and horses: immune-peroxidase monolayer assay on sera; quantitative polymerase chain reaction (qPCR) detection of molecular DNA in feces; and hematoxylin and eosin (H&E) stain and immunohistochemistry (IHC) on intestinal tissues. Our results showed that EPE-challenged hamsters do not develop infection when compared with PPE controls (IHC, P = 0.009; qPCR, P = 0.0003). Conversely, PPE-challenged rabbits do not develop typical intestinal lesions in comparison to EPE-challenged rabbits, with serological response at 14 DPI being significantly lower (P = 0.0023). In conclusion, PPE and EPE strains appear to have different host-specificities for hamsters and rabbits, respectively.

Indexed as

AnimalsCricetinaeDesulfovibrionaceae InfectionsDisease Models, AnimalDNA, BacterialFecesFemaleHorse DiseasesHorsesImmunohistochemistryIntestinal DiseasesLawsonia BacteriaMesocricetusPolymerase Chain ReactionRabbitsRandom AllocationDNA, Bacterial

Identifiers

PMID24124268
PMCPMC3788657
OpenAlexW2167904593

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.