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Updated: Oct 8, 2025

An Ex vivo Assay to Study Candida albicans Hyphal Morphogenesis in the Gastrointestinal Tract
Published on: July 1, 2020
Pathogenesis and virulence of Candida albicans
José Pedro Lopes1, Michail S Lionakis1
1From the Fungal Pathogenesis Section, Laboratory of Clinical Immunology and Microbiology (LCIM), National Institute of Allergy and Infectious Diseases (NIAID), Bethesda, MD, USA.
Abstract:
Candida albicans is a commensal yeast fungus of the human oral, gastrointestinal, and genital mucosal surfaces, and skin. Antibiotic-induced dysbiosis, iatrogenic immunosuppression, and/or medical interventions that impair the integrity of the mucocutaneous barrier and/or perturb protective host defense mechanisms enable C. albicans to become an opportunistic pathogen and cause debilitating mucocutaneous disease and/or life-threatening systemic infections. In this review, we synthesize our current knowledge of the tissue-specific determinants of C. albicans pathogenicity and host immune defense mechanisms.
Insights
Candida albicans is a common fungus that can cause serious infections when the body's defenses are weakened. This review explores how it becomes pathogenic and how the immune system fights it.
Area of Science:
- Medical Mycology
- Immunology
- Microbiology
Background:
- Candida albicans is a normal inhabitant of human mucosal surfaces.
- Factors like antibiotic use and immunosuppression can lead to opportunistic infections.
- These infections range from mild mucocutaneous diseases to life-threatening systemic conditions.
Purpose of the Study:
- To review the factors determining Candida albicans pathogenicity.
- To summarize host immune responses to Candida albicans infections.
- To understand tissue-specific defense mechanisms against this opportunistic pathogen.
Main Methods:
- Literature review and synthesis of current research.
- Analysis of host-pathogen interactions.
- Examination of immune system's role in controlling Candida albicans.
Main Results:
- Candida albicans pathogenicity is influenced by specific host and fungal factors.
- The immune system employs diverse mechanisms to combat Candida albicans.
- Understanding these interactions is key to managing infections.
Conclusions:
- Knowledge of tissue-specific determinants is crucial for understanding Candida albicans pathogenesis.
- Effective host immune defense is vital in preventing invasive candidiasis.
- Further research can inform better therapeutic strategies.
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