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Updated: Jul 9, 2026

Th17 Inflammation Model of Oropharyngeal Candidiasis in Immunodeficient Mice

Th17 Inflammation Model of Oropharyngeal Candidiasis in Immunodeficient Mice

Published on: February 18, 2015

Controlling pathogenic inflammation to fungi.

Luigina Romani¹, Paolo Puccetti

¹University of Perugia, Department of Experimental Medicine and Biochemical Sciences, Via del Giochetto, 06122 Perugia, Italy. lromani@unipg.it

Expert Review of Anti-Infective Therapy

|November 28, 2007

Summary

Maintaining a balance in immune signaling is crucial for fighting fungal infections. Dysregulated inflammation can worsen disease, but new research suggests strategies to manage inflammation for better antifungal immunity and host defense.

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An Optimized Protocol for Candida albicans Infection in Schmidtea mediterranea to Study Fungal Pathogenesis and Host Defense

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Area of Science:

Immunology
Mycology
Host-Pathogen Interactions

Background:

Successful host-fungal interactions depend on balanced pro- and anti-inflammatory signaling.
While inflammation is vital for antifungal defense, its dysregulation can exacerbate fungal diseases and impair immune responses.
The Th17 pathway's inflammatory role and regulatory T cells' capacity for immune tolerance are key factors.

Purpose of the Study:

To investigate the molecular mechanisms governing host immune responses to fungal pathogens.
To elucidate the role of inflammation, Th17 cells, and regulatory T cells in antifungal immunity.
To identify therapeutic strategies for fungal infections by modulating immune responses.

Main Methods:

Analysis of pro- and anti-inflammatory signaling pathways in host-fungal interactions.
Investigation of the Th17 developmental pathway and its role in inflammation.
Assessment of regulatory T cell function and their impact on antifungal immunity.
Evaluation of indoleamine 2,3-dioxygenase and tryptophan catabolites in immune homeostasis.

Main Results:

Dysregulated inflammation significantly worsens fungal diseases and limits protective antifungal immunity.
Regulatory T cells are essential for protective tolerance to fungi, including Th17 antagonism.
Indoleamine 2,3-dioxygenase and tryptophan catabolites contribute to immune homeostasis, balancing protection and tissue damage.
A molecular link exists between unresolved inflammation and reduced antifungal immune resistance.

Conclusions:

Modulating inflammation is critical for effective antifungal immune responses.
Strategies aimed at limiting inflammation may enhance immune resistance to fungal infections.
Understanding these pathways offers potential for novel immune therapies against fungal diseases.