Evidence map›Paper›PMID 30520548›Full record

ArticleTransboundary and emerging diseases2019

Co-localization of Middle East respiratory syndrome coronavirus (MERS-CoV) and dipeptidyl peptidase-4 in the respiratory tract and lymphoid tissues of pigs and llamas.

Nigeer Te, Júlia Vergara-Alert, Annika Lehmbecker, Mónica Pérez, Bart L Haagmans, Wolfgang Baumgärtner, Albert Bensaid, Joaquim Segalés

Open access · hybridAbstract read
In one paragraph

Article in Transboundary and emerging diseases, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.

0numbers the graph read from it
0cells of the map it votes in
17citing 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

17 citing papers in PubMed, 21 citations in OpenAlex.

  1. Review
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  3. Variable DPP4 expression in multiciliated cells of the human nasal epithelium as a determinant for MERS-CoV tropism.Proceedings of the National Academy of Sciences of the United States of America · 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

8 authors at 3 institutions in 3 countries.

Nigeer TeIRTA, Centre de Recerca en Sanitat Animal (CReSA, IRTA-UAB), Campus de la Universitat Autònoma de Barcelona, Bellaterra, Spain.
Júlia Vergara-AlertIRTA, Centre de Recerca en Sanitat Animal (CReSA, IRTA-UAB), Campus de la Universitat Autònoma de Barcelona, Bellaterra, Spain.
Annika LehmbeckerDepartment of Pathology, University of Veterinary Medicine, Hannover, Germany.
Mónica PérezIRTA, Centre de Recerca en Sanitat Animal (CReSA, IRTA-UAB), Campus de la Universitat Autònoma de Barcelona, Bellaterra, Spain.
Bart L HaagmansDepartment of Viroscience, Erasmus Medical Center, Rotterdam, The Netherlands.
Wolfgang BaumgärtnerDepartment of Pathology, University of Veterinary Medicine, Hannover, Germany.
Albert BensaidIRTA, Centre de Recerca en Sanitat Animal (CReSA, IRTA-UAB), Campus de la Universitat Autònoma de Barcelona, Bellaterra, Spain.
Joaquim SegalésUAB, Centre de Recerca en Sanitat Animal (CReSA, IRTA-UAB), Campus de la Universitat Autònoma de Barcelona, Bellaterra, Spain.ORCID https://orcid.org/0000-0002-1539-7261
Universitat Autònoma de Barcelona · ESUniversity of Veterinary Medicine Hannover, Foundation · DEErasmus MC · NL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

This study investigated the co-localization of the Middle East respiratory syndrome coronavirus (MERS-CoV) and its receptor dipeptidyl peptidase-4 (DPP4) by immunohistochemistry (IHC) across respiratory and lymphoid organs of experimentally MERS-CoV infected pigs and llamas. Also, scanning electron microscopy was performed to assess the ciliary integrity of respiratory epithelial cells in both species. In pigs, on day 2 post-inoculation (p.i.), DPP4-MERS-CoV co-localization was detected in medial turbinate epithelium. On day 4 p.i., the virus/receptor co-localized in frontal and medial turbinate epithelial cells in pigs, and epithelial cells distributed unevenly through the whole nasal cavity and in the cervical lymph node in llamas. MERS-CoV viral nucleocapsid was mainly detected in upper respiratory tract sites on days 2 and 4 p.i. in pigs and day 4 p.i. in llamas. No MERS-CoV was detected on day 24 p.i. in any tissue by IHC. While pigs showed severe ciliary loss in the nasal mucosa both on days 2 and 4 p.i. and moderate loss in the trachea on days 4 and 24 p.i., ciliation of respiratory organs in llamas was not significantly affected. Obtained data confirm the role of DPP4 for MERS-CoV entry in respiratory epithelial cells of llamas. Notably, several nasal epithelial cells in pigs were found to express viral antigen but not DPP4, suggesting the possible existence of other molecule/s facilitating virus entry or down regulation of DPP4 upon infection.

Indexed as

AnimalsCamelids, New WorldCoronavirus InfectionsDipeptidyl Peptidase 4ImmunohistochemistryLymphoid TissueMicroscopy, Electron, ScanningMiddle East Respiratory Syndrome CoronavirusReal-Time Polymerase Chain ReactionReceptors, VirusRespiratory SystemRNA, ViralSwineSwine DiseasesDipeptidyl Peptidase 4Receptors, VirusRNA, Viraldipeptidyl peptidase-4 (DPP4)immunohistochemistryllamaMiddle East respiratory syndrome coronavirus (MERS-CoV)pigscanning electron microscopy

Identifiers

PMID30520548
PMCPMC7027813
OpenAlexW2904303804

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
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.