Cutting Edge: Failure of Antigen-Specific CD4+ T Cell Recruitment to the Kidney during Systemic Candidiasis

Rebecca A Drummond, Carol Wallace, Delyth M Reid, Sing Sing Way, Daniel H Kaplan, Gordon D Brown

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)
4 Downloads (Pure)

Abstract

Candida albicans is the leading cause of systemic candidiasis, a fungal disease associated with high mortality and poor treatment options. The kidney is the target organ during infection and whose control is largely dependent on innate immunity, because lymphocytes appear redundant for protection. In this article, we show that this apparent redundancy stems from a failure of Ag-specific CD4(+) T cells to migrate into infected kidneys. In contrast, Ag-specific CD8(+) T cells are recruited normally. Using Ag-loaded immunoliposomes to artificially reverse this defective migration, we show that recruited Ag-specific CD4(+) T cells polarize toward a Th17 phenotype in the kidney and are protective during fungal infection. Therefore, our data explain the redundancy of CD4(+) T cells for defense against systemic infection with C. albicans and have important implications for our understanding of antifungal immunity and the control of renal infections.

Original languageEnglish
Pages (from-to)5381-5385
Number of pages5
JournalThe Journal of Immunology
Volume193
Issue number11
Early online date24 Oct 2014
DOIs
Publication statusPublished - Dec 2014

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