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An Optimized Protocol for Candida albicans Infection in Schmidtea mediterranea to Study Fungal Pathogenesis and Host Defense
Published on: April 17, 2026
Candida parapsilosis, an emerging fungal pathogen
David Trofa1, Attila Gácser, Joshua D Nosanchuk
1Albert Einstein College of Medicine, Bronx, NY 10461, USA.
Summary:
Candida parapsilosis is an emerging major human pathogen that has dramatically increased in significance and prevalence over the past 2 decades, such that C. parapsilosis is now one of the leading causes of invasive candidal disease. Individuals at the highest risk for severe infection include neonates and patients in intensive care units. C. parapsilosis infections are especially associated with hyperalimentation solutions, prosthetic devices, and indwelling catheters, as well as the nosocomial spread of disease through the hands of health care workers. Factors involved in disease pathogenesis include the secretion of hydrolytic enzymes, adhesion to prosthetics, and biofilm formation. New molecular genetic tools are providing additional and much-needed information regarding C. parapsilosis virulence. The emerging information will provide a deeper understanding of C. parapsilosis pathogenesis and facilitate the development of new therapeutic approaches for treating C. parapsilosis infections.
Insights
Candida parapsilosis is a growing cause of invasive infections, particularly in neonates and ICU patients. Understanding its virulence factors is key to developing new treatments for this emerging pathogen.
Area of Science:
- Medical Mycology
- Infectious Diseases
- Clinical Microbiology
Background:
- Candida parapsilosis has emerged as a significant human pathogen over the last two decades.
- It is now a leading cause of invasive candidal disease, especially in vulnerable populations.
Purpose of the Study:
- To summarize the increasing prevalence and clinical significance of Candida parapsilosis infections.
- To review the risk factors, pathogenesis, and emerging research on virulence.
Main Methods:
- Review of epidemiological data and clinical case studies.
- Analysis of factors contributing to Candida parapsilosis pathogenesis.
- Discussion of advancements in molecular genetic tools for virulence studies.
Main Results:
- Candida parapsilosis infections are associated with hyperalimentation, medical devices, and healthcare worker transmission.
- Key virulence factors include enzyme secretion, adhesion to prosthetics, and biofilm formation.
- Neonates and intensive care unit (ICU) patients are at the highest risk.
Conclusions:
- Candida parapsilosis is a major and increasing threat in healthcare settings.
- Further understanding of its pathogenesis through molecular tools will aid in developing novel therapies.
- Effective management requires addressing nosocomial spread and host-specific vulnerabilities.
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