Cited by 216Psoriasis: Treatment and PathogenesisDermatology and Skin DiseasesAntifungal resistance and susceptibility

IL-23 and IL-17A, but Not IL-12 and IL-22, Are Required for Optimal Skin Host Defense against Candida albicans

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Kagami, Shinji, Rizzo, Heather L, Kurtz, Stephen E, Miller, Lloyd S, Blauvelt, Andrew·2010·The Journal of Immunology

Abstract

IL-23 and Th17 cells play important roles in host defense against systemic infections with extracellular bacteria and fungi, although their roles in immunity against localized skin infections are less well defined. Here, the contributions of IL-23 and Th17 cytokines in host defense against cutaneous Candida albicans infection were evaluated. Mice deficient in IL-23 or IL-17A demonstrated delayed healing and decreased IL-17A production after skin infection with C. albicans compared with wild-type mice or mice deficient in IL-12 or IL-22. Histologic examination revealed epidermal hyperplasia overlying infected dermis four days postinoculation in wild-type mice. In IL-23–deficient mice, fungal burden was greater in skin, neither IL-17A nor IL-22 mRNAs were expressed postinfection, and these mice demonstrated only minimal epidermal hyperplasia. Exogenous recombinant IL-17A injected at the site of skin infection promoted more rapid healing of candidiasis in both wild-type mice and mice deficient in IL-23 and IL-12. Taken together, these results demonstrate that IL-23 and IL-17A, but not IL-12 and IL-22, are required for optimal host defense against cutaneous candidiasis. In addition, recombinant IL-17A may serve as a potential therapy to enhance healing in individuals with chronic cutaneous candidiasis.

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Crossref · 10.4049/jimmunol.1001153

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  • IL-17- and IL-22-producing TCRβ+ cells are important for host defense against fungal pathogens.

    “However, compared to C. albicans-infected mice, C. auris skin infection induces a significantly decreased number of IL-17- and IL-22-producing TCRβ+ cells that are important for host defense against fungal pathogens.”

    From Differential skin immune responses in mice intradermally infected with <i>Candida auris</i> and <i>Candida albicans</i> (2023) · cites this paper as [18]

    The Discussion reports that IL-17A is important for defense against cutaneous C. albicans, and that CD3+ T cells produce it. But it says IL-22 is not required in this model: IL-22-deficient mice had neither delayed healing nor increased fungal burdens. The paper does not establish the claimed importance of IL-17- and IL-22-producing TCRβ+ cells specifically. (LLM, conf=0.88)

    Experimental — accuracy not yet measured
  • T cells such as TCRβ+ IL-17+ T cells are critical for host defense against Candida pathogens, including those in the skin.

    “T cells such as TCRβ+ IL-17+ T cells are critical for host defense against Candida pathogens, including those in the skin (10, 18).”

    From Differential skin immune responses in mice intradermally infected with <i>Candida auris</i> and <i>Candida albicans</i> (2023) · cites this paper as [18]

    The Results (page unavailable) identify CD3+ T cells as the main IL-17A-producing cells in infected mouse skin, and the Abstract reports that IL-17A is required for optimal defense against cutaneous Candida albicans. The paper does not identify those cells as TCRβ+ or establish that this specific T-cell subset is critical; its findings also concern C. albicans rather than Candida pathogens generally. (LLM, conf=0.85)

    Experimental — accuracy not yet measured
  • IL-17-mediated immune responses are critical for protection against C. auris and C. albicans skin infection.

    “These findings suggest that IL-17-mediated immune responses are critical for protection against C. auris and C. albicans skin infection (4, 18, 25).”

    From Differential skin immune responses in mice intradermally infected with <i>Candida auris</i> and <i>Candida albicans</i> (2023) · cites this paper as [18]

    The Discussion states that IL-17A is essential for host defense against cutaneous C. albicans infection. The paper studies C. albicans in mice, not C. auris, so it does not support the C. auris part of the sentence. (LLM, conf=0.88)

    Experimental — accuracy not yet measured
  • Th17 cells are required for cutaneous host defense, while Th1 response is critical against systemic C. albicans infection.

    “Furthermore, previous findings suggest that Th17 cells are required for cutaneous host defense, while Th1 response is critical against systemic C. albicans infection (18, 25).”

    From Differential skin immune responses in mice intradermally infected with <i>Candida auris</i> and <i>Candida albicans</i> (2023) · cites this paper as [18]

    The Abstract reports that IL-23 and IL-17A are required for optimal defense against cutaneous C. albicans infection, and says Th1 responses are believed to be critical against C. albicans infection generally. It does not establish that Th17 cells themselves are required in skin or specifically that Th1 responses are critical against systemic infection; the Discussion notes that other cells may produce IL-17A. Page numbers are unavailable in our copy. (LLM, conf=0.84)

    Experimental — accuracy not yet measured
  • The IL-17 pathway plays a critical role in antifungal host defense, including C. auris.

    “the IL-17 pathway, which plays a critical role in antifungal host defense, including C. auris [4, 39]”

    From Single-cell transcriptomics unveils skin cell specific antifungal immune responses and IL-1Ra- IL-1R immune evasion strategies of emerging fungal pathogen Candida auris (2024) · cites this paper as [39]

    The Discussion (page unavailable) reports that IL-17A is a key mediator of skin defense against C. albicans in mice. The paper does not address C. auris, so it does not support extending that finding to this species. (LLM, conf=0.90)

    Experimental — accuracy not yet measured

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Authors
Kagami, S., Rizzo, H. L., Kurtz, S. E., Miller, L. S., & Blauvelt, A.
Affiliations
  • Oregon Health & Science University (US)
  • Portland VA Medical Center (US)
  • University of California, Los Angeles (US)
Corresponding author
  • Kagami, Shinji
  • Blauvelt, Andrew
Venue
The Journal of Immunology
Published
2010-11-01
Volume
185
Issue
9
Pages
5453-5462
ISSN
  • 0022-1767 (ISSN-L)
  • 1550-6606
OpenAlex
W2170016098
Cited by
216
References
42
Citations by year
2026: 3 · 2025: 8 · 2024: 8 · 2023: 5 · 2022: 11 · 2021: 7 · 2020: 9 · 2019: 9 · 2018: 11 · 2017: 21 · 2016: 17 · 2015: 29 · 2014: 25 · 2013: 10 · 2012: 19
FWCI
7.29
Type
journal article
Language
en
Open access
Locations
  • The Journal of Immunology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • U.S. Department of Veterans Affairs
  • Naito Foundation
  • National Institutes of Health
  • National Institute of Allergy and Infectious Diseases (R01AI078910)
  • National Institute of Arthritis and Musculoskeletal and Skin Diseases (R21AR054495)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Psoriasis: Treatment and Pathogenesis
  • Health Sciences › Medicine › Dermatology › Dermatology and Skin Diseases
  • Health Sciences › Medicine › Infectious Diseases › Antifungal resistance and susceptibility
Keywords
IL-23, IL-17A, IL-12, IL-22, Th17 cells, cutaneous candidiasis, Candida albicans, epidermal hyperplasia, fungal burden
MeSH terms
Interleukin-22, Animals, Candida albicans, Candidiasis, Cutaneous, Enzyme-Linked Immunosorbent Assay, Immunohistochemistry, Interleukins, Mice, Inbred C57BL, Skin, Mice, Knockout, Interleukin-12, Reverse Transcriptase Polymerase Chain Reaction, Interleukin-17, Mice, Interleukin-23

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