Cited by 167Antifungal resistance and susceptibilityImmune Response and InflammationFungal and yeast genetics research

EphA2 is an epithelial cell pattern recognition receptor for fungal β-glucans

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Swidergall, Marc, Solis, Norma V., Lionakis, Michail S., Filler, Scott G.·2017·Nature Microbiology

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Abstract

Oral epithelial cells discriminate between pathogenic and non-pathogenic stimuli, and only induce an inflammatory response when they are exposed to high levels of a potentially harmful microorganism. The pattern recognition receptors (PRRs) in epithelial cells that mediate this differential response are poorly understood. Here, we demonstrate that the ephrin type-A receptor 2 (EphA2) is an oral epithelial cell PRR that binds to exposed β-glucans on the surface of the fungal pathogen Candida albicans. Binding of C. albicans to EphA2 on oral epithelial cells activates signal transducer and activator of transcription 3 and mitogen-activated protein kinase signalling in an inoculum-dependent manner, and is required for induction of a proinflammatory and antifungal response. EphA2 -/- mice have impaired inflammatory responses and reduced interleukin-17 signalling during oropharyngeal candidiasis, resulting in more severe disease. Our study reveals that EphA2 functions as a PRR for β-glucans that senses epithelial cell fungal burden and is required for the maximal mucosal inflammatory response to C. albicans.

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  • C. glabrata induces phosphorylation of EphA2, which binds to β-glucan, in immortalized normal human oral keratinocytes.

    “A recent study has shown C. glabrata to induce phosphorylation of the ephrin type-A receptor 2 (EphA2), that binds to β-glucan, in immortalized normal human oral keratinocytes (OKF6/TERT-2) [136].”

    From Candida glabrata: A Lot More Than Meets the Eye (2019) · cites this paper as [136]

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Authors
Swidergall, M., Solis, N. V., Lionakis, M. S., & Filler, S. G.
Affiliations
  • The Lundquist Institute (US)
  • National Institutes of Health (US)
  • University of California, Los Angeles (US)
Corresponding author
Filler, Scott G.
Venue
Nature Microbiology
Published
2017-11-13
Volume
3
Issue
1
Pages
53-61
ISSN
2058-5276 (ISSN-L)
OpenAlex
W2949823271
Cited by
167
References
47
Citations by year
2026: 9 · 2025: 16 · 2024: 17 · 2023: 14 · 2022: 24 · 2021: 26 · 2020: 25 · 2019: 17 · 2018: 18 · 2017: 1
FWCI
12.84
Type
journal article
Language
en
Open access
Locations
  • Nature Microbiology (publishedVersion)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • National Institutes of Health
  • National Institute of Allergy and Infectious Diseases (R01AI124566)
  • National Institute of Dental and Craniofacial Research (K99DE026856, R01DE026600)
Topics
  • Health Sciences › Medicine › Infectious Diseases › Antifungal resistance and susceptibility
  • Life Sciences › Immunology and Microbiology › Immunology › Immune Response and Inflammation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Fungal and yeast genetics research
Keywords
EphA2, pattern recognition receptors, β-glucan, Candida albicans, oral epithelial cells, oropharyngeal candidiasis, STAT3 signaling, MAPK signaling, IL-17, mucosal inflammation, innate immunity
MeSH terms
Animals, Candida albicans, Candidiasis, Oral, Cell Line, Disease Models, Animal, Endocytosis, Epithelial Cells, Male, Mice, Inbred C57BL, Mouth Mucosa, Phosphorylation, Signal Transduction, Cytokines, Inflammation Mediators, Receptor, EphA2, beta-Glucans, STAT3 Transcription Factor, Receptors, Pattern Recognition, Mice, ErbB Receptors

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