Candida albicans morphology and dendritic cell subsets determine T helper cell differentiation

Sakeen W. Kashem, Botond Z. Igyártó, Maryam Gerami-Nejad, Yosuke Kumamoto, Javed Mohammed, Elizabeth Jarrett, Rebecca A. Drummond, Sandra M. Zurawski, Gerard Zurawski, Judith Berman, Akiko Iwasaki, Gordon D. Brown, Daniel H. Kaplan

Research output: Contribution to journalArticlepeer-review

169 Scopus citations


Candida albicans is a dimorphic fungus responsible for chronic mucocutaneous and systemic infections.Mucocutaneous immunity to C.albicans requires Thelper 17 (Th17) cell differentiation that is thought to depend on recognition of filamentous C.albicans. Systemic immunity is considered Tcell independent. Using a murine skin infection model, we compared T helper cell responses to yeast and filamentous C.albicans. We found that only yeast induced Th17 cell responses through a mechanism that required Dectin-1-mediated expression of interleukin-6 (IL-6) by Langerhans cells. Filamentous forms induced Th1 without Th17 cell responses due to the absence of Dectin-1 ligation. Notably, Th17 cell responses provided protection against cutaneous infection while Th1 cell responses providedprotection against systemic infection. Thus, C.albicans morphology drives distinct T helper cell responses that provide tissue-specific protection. These findings provide insight into compartmentalization of Th cell responses and C.albicans pathogenesis and have critical implications for vaccine strategies.

Original languageEnglish (US)
Pages (from-to)356-366
Number of pages11
Issue number2
StatePublished - Feb 17 2015

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© 2015 Elsevier Inc.


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