Evidence map›Paper›PMID 32422146›Full record

ArticleThe Journal of allergy and clinical immunology2020

Type 2 inflammation modulates ACE2 and TMPRSS2 in airway epithelial cells.

Hiroki Kimura, Dave Francisco, Michelle Conway, Fernando D Martinez, Donata Vercelli, Francesca Polverino, Dean Billheimer, Monica Kraft

Open access · bronzeAbstract read
In one paragraph

Article in The Journal of allergy and clinical immunology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 198 papers, 5 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
198citing papers in PubMed, 5 pooled it
7.2field-weighted citation impact, top 2% 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

198 citing papers in PubMed, 5 syntheses or guidelines pooled it, 346 citations in OpenAlex.

  1. Pooled it
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  6. Trial
  7. Trial
  8. Article
  9. Skin as a Potential Entry Point for SARS-CoV-2 Virus.International journal of molecular sciences · 2026
    Article
  10. Article
  11. SKIN AS A POTENTIAL ENTRY POINT FOR SARS-COV-2.bioRxiv : the preprint server for biology · 2026
    Article
  12. Article
  13. Multifaceted Roles of IL-26 in Physiological and Pathological Conditions.International journal of molecular sciences · 2025
    Review
  14. Article
  15. Expression ofBiomedical reports · 2025
    Article
  16. Article
  17. Article
  18. Article
  19. Review
  20. Type 2 immune responses are associated with less severe COVID-19 in a hospitalized cohort.The journal of allergy and clinical immunology. Global · 2025
    Article

138 more citing papers are in PubMed but not listed here.

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 1 institution in 1 country.

Hiroki KimuraDepartment of Medicine, College of Medicine Tucson, University of Arizona Health Sciences, Tucson, Ariz.
Dave FranciscoDepartment of Medicine, College of Medicine Tucson, University of Arizona Health Sciences, Tucson, Ariz.
Michelle ConwayDepartment of Medicine, College of Medicine Tucson, University of Arizona Health Sciences, Tucson, Ariz.
Fernando D MartinezAsthma and Airway Disease Research Center, College of Medicine Tucson, University of Arizona Health Sciences, Tucson, Ariz.
Donata VercelliAsthma and Airway Disease Research Center, College of Medicine Tucson, University of Arizona Health Sciences, Tucson, Ariz.
Francesca PolverinoDepartment of Medicine, College of Medicine Tucson, University of Arizona Health Sciences, Tucson, Ariz.
Dean BillheimerDepartment of Epidemiology and Biostatistics, Mel and Enid Zuckerman College of Public Health, University of Arizona, Tucson, Ariz.
Monica KraftDepartment of Medicine, College of Medicine Tucson, University of Arizona Health Sciences, Tucson, Ariz. Electronic address: kraftm@email.arizona.edu.
University of Arizona · US

Funding

SOUTHWEST ENVIRONMENTAL HEALTH SCIENCES CENTERP30ES006694 · NIEHS · UNIVERSITY OF ARIZONA · PI DEAN BILLHEIMER · 1994 to 2026
$36.7M
Tollip inhibits IL-33 signaling during airway influenza virus infectionU19AI125357 · NIAID · UNIVERSITY OF ARIZONA · PI KRAFT, MONICA, VERCELLI, DONATA · 2016 to 2025
$14.7M
NIAID NIH HHS U19 AI125357NIEHS NIH HHS P30 ES006694
6 · The paper itself

Abstract

backgroundSevere acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has dramatically changed our world, country, communities, and families. There is controversy regarding risk factors for severe COVID-19 disease. It has been suggested that asthma and allergy are not highly represented as comorbid conditions associated with COVID-19.

objectiveOur aim was to extend our work in IL-13 biology to determine whether airway epithelial cell expression of 2 key mediators critical for SARS-CoV-2 infection, namely, angiotensin-converting enzyme 2 (ACE2) and transmembrane protease, serine 2 (TMPRSS2), are modulated by IL-13.

methodsWe determined effects of IL-13 treatment on ACE2 and TMPRSS2 expression ex vivo in primary airway epithelial cells from participants with and without type 2 asthma obtained by bronchoscopy. We also examined expression of ACE2 and TMPRSS2 in 2 data sets containing gene expression data from nasal and airway epithelial cells from children and adults with asthma and allergic rhinitis.

resultsIL-13 significantly reduced ACE2 and increased TMPRSS2 expression ex vivo in airway epithelial cells. In 2 independent data sets, ACE2 expression was significantly reduced and TMPRSS2 expression was significantly increased in the nasal and airway epithelial cells in type 2 asthma and allergic rhinitis. ACE2 expression was significantly negatively associated with type 2 cytokines, whereas TMPRSS2 expression was significantly positively associated with type 2 cytokines.

conclusionIL-13 modulates ACE2 and TMPRSS2 expression in airway epithelial cells in asthma and atopy. This deserves further study with regard to any effects that asthma and atopy may render in the setting of COVID-19 infection.

Indexed as

AdultAngiotensin-Converting Enzyme 2AsthmaBetacoronavirusChildCoronavirus InfectionsCOVID-19FemaleHumansHypersensitivity, ImmediateInflammationInterleukin-13MalePandemicsPeptidyl-Dipeptidase APneumonia, ViralACE2 protein, humanAngiotensin-Converting Enzyme 2IL13 protein, humanInterleukin-13Peptidyl-Dipeptidase ASerine EndopeptidasesTMPRSS2 protein, humanACE2airway epithelial cellsAsthmaCOVID-19IL-13nasal epithelial cellsSARS-CoV-2TMPRSS2type 2 inflammation

Identifiers

PMID32422146
PMCPMC7227558
OpenAlexW3024168867

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.