Cited by 72Antifungal resistance and susceptibilityImmunodeficiency and Autoimmune DisordersT-cell and B-cell Immunology

Interleukin-17-induced protein lipocalin 2 is dispensable for immunity to oral candidiasis

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Ferreira, Maria Carolina, Whibley, Natasha, Mamo, Anna J., Siebenlist, Ulrich, Chan, Yvonne R., Gaffen, Sarah L.·2014·Infection and Immunity

Abstract

Oropharyngeal candidiasis (OPC; thrush) is an opportunistic fungal infection caused by the commensal microbe Candida albicans. Immunity to OPC is strongly dependent on CD4+ T cells, particularly those of the Th17 subset. Interleukin-17 (IL-17) deficiency in mice or humans leads to chronic mucocutaneous candidiasis, but the specific downstream mechanisms of IL-17-mediated host defense remain unclear. Lipocalin 2 (Lcn2; 24p3; neutrophil gelatinase-associated lipocalin [NGAL]) is an antimicrobial host defense factor produced in response to inflammatory cytokines, particularly IL-17. Lcn2 plays a key role in preventing iron acquisition by bacteria that use catecholate-type siderophores, and lipocalin 2(-/-) mice are highly susceptible to infection by Escherichia coli and Klebsiella pneumoniae. The role of Lcn2 in mediating immunity to fungi is poorly defined. Accordingly, in this study, we evaluated the role of Lcn2 in immunity to oral infection with C. albicans. Lcn2 is strongly upregulated following oral infection with C. albicans, and its expression is almost entirely abrogated in mice with defective IL-17 signaling (IL-17RA(-/-) or Act1(-/-) mice). However, Lcn2(-/-) mice were completely resistant to OPC, comparably to wild-type (WT) mice. Moreover, Lcn2 deficiency mediated protection from OPC induced by steroid immunosuppression. Therefore, despite its potent regulation during C. albicans infection, Lcn2 is not required for immunity to mucosal candidiasis.

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Crossref · 10.1128/iai.01389-13

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  • IL-17 induces NGAL transcription and NGAL interferes with microbial iron uptake via siderophores.

    “For example, IL-17 induces NGAL transcription and NGAL interferes with microbial iron uptake via siderophores (Ferreira et al., 2013).”

    From Iron in infection and immunity (2020) · cites this paper as Ferreira et al., 2013

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Authors
Ferreira, M. C., Whibley, N., Mamo, A. J., Siebenlist, U., Chan, Y. R., & Gaffen, S. L.
Affiliations
  • University of Pittsburgh (US)
  • National Institutes of Health (US)
Venue
Infection and Immunity
Published
2014-03
Volume
82
Issue
3
Pages
1030-1035
ISSN
  • 0019-9567 (ISSN-L)
  • 1098-5522
OpenAlex
W2134545706
Cited by
72
References
40
Citations by year
2026: 1 · 2025: 3 · 2024: 3 · 2023: 5 · 2022: 9 · 2021: 4 · 2020: 9 · 2019: 6 · 2018: 2 · 2017: 9 · 2016: 5 · 2015: 10 · 2014: 6
FWCI
5.08
Type
journal article
Language
en
Open access
Locations
  • Infection and Immunity (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (publishedVersion, other-oa)
  • Americanae (AECID Library) (submittedVersion, other-oa)
Funders
  • Howard Hughes Medical Institute
  • National Institutes of Health (5r37de022550-12)
  • Genentech
  • National Institute of Allergy and Infectious Diseases
  • National Institute of Dental and Craniofacial Research (R37-DE022550, R01DE022550, R01DE023815, DE022550, DE023815)
Topics
  • Health Sciences › Medicine › Infectious Diseases › Antifungal resistance and susceptibility
  • Life Sciences › Immunology and Microbiology › Immunology › Immunodeficiency and Autoimmune Disorders
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
Keywords
neutrophil gelatinase-associated lipocalin, IL-17, oropharyngeal candidiasis, Candida albicans, antifungal immunity, Th17 cells, IL-17RA, Act1, iron acquisition, siderophores, mucosal candidiasis, steroid immunosuppression, CD4+ T cells
MeSH terms
Lipocalin-2, Acute-Phase Proteins, Animals, Candida albicans, Candidiasis, Oral, Mice, Inbred C57BL, Mouth Mucosa, Mucous Membrane, Oncogene Proteins, Up-Regulation, Interleukin-17, Mice, Receptors, Interleukin-17, Lipocalins

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