Evidence map›Paper›PMID 32572240›Full record

ArticleNature immunology2020

Serum amyloid A is a soluble pattern recognition receptor that drives type 2 immunity.

Ursula Smole, Naina Gour, Jordan Phelan, Gerhard Hofer, Cordula Köhler, Bernhard Kratzer, Peter A Tauber, Xiao Xiao, Nu Yao, Jan Dvorak and 9 more

Open access · greenAbstract read
In one paragraph

Article in Nature immunology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 60 papers.

0numbers the graph read from it
0cells of the map it votes in
60citing papers in PubMed
5.2field-weighted citation impact, top 3% 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

60 citing papers in PubMed, 85 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. Article
  5. Article
  6. Review
  7. Autoallergy in chronic rhinosinusitis and its clinical relevance.The World Allergy Organization journal · 2026
    Article
  8. Review
  9. Review
  10. Review
  11. Review
  12. Frontiers in immunology · 2026
    Article
  13. Article
  14. Review
  15. The immunology of asthma.Nature immunology · 2025
    Review
  16. Article
  17. Article
  18. Article
  19. Review
  20. Review
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

19 authors at 7 institutions in 5 countries.

Ursula SmoleDepartment of Environmental Health and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA. ursula.smole@irc.vib-ugent.be.ORCID http://orcid.org/0000-0001-5124-2024
Naina GourDepartment of Environmental Health and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA.
Jordan PhelanDepartment of Environmental Health and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA.
Gerhard HoferInstitute of Molecular Biosciences, BioTechMed Graz, University of Graz, Graz, Austria.
Cordula KöhlerInstitute of Immunology, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria.
Bernhard KratzerInstitute of Immunology, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria.ORCID http://orcid.org/0000-0003-1091-4327
Peter A TauberInstitute of Immunology, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria.ORCID http://orcid.org/0000-0002-1784-1602
Xiao XiaoDepartment of Environmental Health and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA.
Nu YaoDepartment of Environmental Health and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA.
Jan DvorakDepartment of Zoology and Fisheries, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences, Prague, Czech Republic.
Luis CaraballoInstitute for Immunological Research, University of Cartagena, Cartagena, Colombia.
Leonardo PuertaInstitute for Immunological Research, University of Cartagena, Cartagena, Colombia.
Sandra RosskopfInstitute of Immunology, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria.
Jamila ChakirCentre de Recherche, Institut Universitaire de Cardiologie et de Pneumologie de Québec, Université Laval, Quebec, Canada.
Ernst MalleDivision of Molecular Biology and Biochemistry, Gottfried Schatz Research Center, Medical University of Graz, Graz, Austria.
Andrew P LaneDivision of Rhinology and Sinus Surgery, Department of Otolaryngology - Head and Neck Surgery, Johns Hopkins School of Medicine, Baltimore, MD, USA.
Winfried F PicklInstitute of Immunology, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria.
Stephane LajoieDepartment of Environmental Health and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA.
Marsha Wills-KarpDepartment of Environmental Health and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA. mwkarp@jhu.edu.ORCID http://orcid.org/0000-0001-7929-1362
Johns Hopkins University · USMedical University of Vienna · ATUniversity of Cartagena · COCzech University of Life Sciences Prague · CZInstitut universitaire de cardiologie et de pneumologie de Québec · CAMedical University of Graz · ATUniversity of Graz · AT

Funding

TSLP, IL-9-producing mucosal mast cells, and allergic inflammationU19AI070235 · NIAID · CINCINNATI CHILDRENS HOSP MED CTR · PI Marc E. Rothenberg · 2006 to 2026
$31.3M
Traning Program in Environmental Health SciencesT32ES007141 · NIEHS · JOHNS HOPKINS UNIVERSITY · PI Marsha Wills-Karp · 1985 to 2026
$22.2M
Unique Effects of IL-13 in Asthma: Mechanistic AnalysisP01HL076383 · NHLBI · CINCINNATI CHILDRENS HOSP MED CTR · PI KHURANA HERSHEY, GURJIT K. · 2004 to 2008
$10.1M
Innate Immune Regulation of the Epithelium in Chronic Rhinosinusitis with Nasal PolypsR01AI132590 · NIAID · JOHNS HOPKINS UNIVERSITY · PI LANE, ANDREW P · 2018 to 2022
$3.0M
Dysregulated sensing of invertebrate tropomyosin through dectin-1 confers susceptibility to type-2-mediated allergic diseasesR01AI127644 · NIAID · JOHNS HOPKINS UNIVERSITY · PI LAJOIE, STEPHANE · 2017 to 2021
$2.0M
Epithelial Regulation of Th2 Immune Responses in the LungR01AI083315 · NIAID · JOHNS HOPKINS UNIVERSITY · PI WILLS-KARP, MARSHA · 2009 to 2013
$1.9M
Anaphylatoxin regulation of the IL-33-ILC2 axisR56AI118791 · NIAID · JOHNS HOPKINS UNIVERSITY · PI LAJOIE, STEPHANE · 2016 to 2016
$405k
OLFACTORY RECEPTORSF32DC000190 · NIDCD · CALIFORNIA INSTITUTE OF TECHNOLOGY · PI ZHANG, YINONG · 1995 to 1998
–
CIHR DC0190GPNHLBI NIH HHS P01 HL076383NIAID NIH HHS R01 AI083315NIAID NIH HHS R01 AI127644NIAID NIH HHS R01 AI132590NIAID NIH HHS R56 AI118791NIAID NIH HHS U19 AI070235NIDCD NIH HHS F32 DC000190NIEHS NIH HHS T32 ES007141
6 · The paper itself

Abstract

The molecular basis for the propensity of a small number of environmental proteins to provoke allergic responses is largely unknown. Herein, we report that mite group 13 allergens of the fatty acid-binding protein (FABP) family are sensed by an evolutionarily conserved acute-phase protein, serum amyloid A1 (SAA1), that promotes pulmonary type 2 immunity. Mechanistically, SAA1 interacted directly with allergenic mite FABPs (Der p 13 and Blo t 13). The interaction between mite FABPs and SAA1 activated the SAA1-binding receptor, formyl peptide receptor 2 (FPR2), which drove the epithelial release of the type-2-promoting cytokine interleukin (IL)-33 in a SAA1-dependent manner. Importantly, the SAA1-FPR2-IL-33 axis was upregulated in nasal epithelial cells from patients with chronic rhinosinusitis. These findings identify an unrecognized role for SAA1 as a soluble pattern recognition receptor for conserved FABPs found in common mite allergens that initiate type 2 immunity at mucosal surfaces.

Indexed as

AdolescentAdultAgedAged, 80 and overAllergensAnimalsAntigens, DermatophagoidesAsthmaCells, CulturedDisease Models, AnimalEpithelial CellsFatty Acid-Binding ProteinsFemaleHumansImmunity, HumoralImmunity, InnateAllergensAntigens, DermatophagoidesFatty Acid-Binding Proteinsformyl peptide receptor 2, mouseFPR2 protein, humanIL33 protein, humanIl33 protein, mouseInterleukin-33Receptors, Formyl PeptideReceptors, LipoxinSAA1 protein, humanSaa2 protein, mouseSerum Amyloid A Protein

Identifiers

PMID32572240
PMCPMC9291269
OpenAlexW3035910004

What OpenQuestion holds

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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.