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What's New in Cryptococcus gattii: From Bench to Bedside and Beyond
Justin Beardsley1,2,3, Aiken Dao1,2,3, Caitlin Keighley1
1Sydney Infectious Disease Institute, University of Sydney, Sydney, NSW 2145, Australia.
Abstract:
Cryptococcus species are a major cause of life-threatening infections in immunocompromised and immunocompetent hosts. While most disease is caused by Cryptococcus neoformans, Cryptococcus gattii, a genotypically and phenotypically distinct species, is responsible for 11-33% of global cases of cryptococcosis. Despite best treatment, C. gattii infections are associated with early mortality rates of 10-25%. The World Health Organization's recently released Fungal Priority Pathogen List classified C. gattii as a medium-priority pathogen due to the lack of effective therapies and robust clinical and epidemiological data. This narrative review summarizes the latest research on the taxonomy, epidemiology, pathogenesis, laboratory testing, and management of C. gattii infections.
Insights
Cryptococcus gattii causes serious fungal infections, particularly in vulnerable individuals. This review covers the latest research on C. gattii, addressing its classification, spread, and treatment challenges.
Area of Science:
- Medical Mycology
- Infectious Diseases
- Public Health
Background:
- Cryptococcus species are significant causes of life-threatening infections.
- Cryptococcus gattii is responsible for a substantial proportion of global cryptococcosis cases.
- C. gattii infections have high early mortality rates (10-25%) despite optimal treatment.
Purpose of the Study:
- To provide a comprehensive overview of Cryptococcus gattii infections.
- To summarize recent advancements in understanding C. gattii.
- To highlight the need for improved therapies and data for this medium-priority pathogen.
Main Methods:
- This is a narrative review.
- Literature search on taxonomy, epidemiology, pathogenesis, diagnostics, and management of C. gattii.
- Synthesis of current research findings.
Main Results:
- Cryptococcus gattii is a distinct species causing significant morbidity and mortality.
- The World Health Organization has identified C. gattii as a medium-priority pathogen.
- There is a critical need for more effective treatments and robust data.
Conclusions:
- Cryptococcus gattii infections pose a significant global health challenge.
- Further research is essential to improve diagnostic and therapeutic strategies.
- Addressing data gaps is crucial for effective management of C. gattii.
