Neuro-Immune Mechanisms of Anti-Cryptococcal Protection
1Fungal Pathogenesis Unit, Laboratory of Clinical Immunology and Microbiology, National Institutes of Health, Bethesda, MD 20892, USA. rebecca.drummond@nih.gov.
Abstract:
Cryptococcal meningitis (CM) is a life-threatening fungal disease affecting both immunosuppressed and immunocompetent people. The main causative agent of CM is Cryptococcus neoformans, a basidiomycete fungus prevalent in the environment. Our understanding of the immune mechanisms controlling C. neoformans growth within the central nervous system (CNS) is poor. However, there have been several recent advances in the field of neuroimmunology regarding how cells resident within the CNS, such as microglia and neurons, can participate in immune surveillance and control of infection. In this mini-review, the cells of the CNS are discussed with reference to what is currently known about how they control C. neoformans infection.
Insights
Cryptococcal meningitis (CM) is a dangerous fungal infection. This review explores how central nervous system (CNS) cells like microglia and neurons combat the fungus Cryptococcus neoformans.
Area of Science:
- Neuroimmunology
- Mycology
- Infectious Diseases
Background:
- Cryptococcal meningitis (CM) is a severe fungal infection caused by Cryptococcus neoformans.
- It affects both immunocompromised and immunocompetent individuals.
- Current knowledge of immune responses within the central nervous system (CNS) against C. neoformans is limited.
Purpose of the Study:
- To review the role of CNS-resident cells in controlling Cryptococcus neoformans infection.
- To highlight recent advances in neuroimmunology concerning CNS immune surveillance.
Main Methods:
- This mini-review synthesizes existing literature on CNS cells and C. neoformans.
- Focuses on microglia and neurons' immune functions within the CNS.
Main Results:
- Microglia and neurons play active roles in immune surveillance within the CNS.
- These resident cells contribute to controlling fungal growth during infection.
Conclusions:
- CNS-resident cells, including microglia and neurons, are crucial for managing Cryptococcus neoformans infections in the brain.
- Further research into neuroimmune mechanisms can inform CM treatment strategies.
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