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Updated: May 1, 2026

Macrophage Cholesterol Depletion and Its Effect on the Phagocytosis of Cryptococcus neoformans
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Macrophage Cryptococcus interactions: an update.

Michael K Mansour1, Jennifer L Reedy1, Jenny M Tam1

  • 1Department of Medicine, Division of Infectious Diseases, Massachusetts General Hospital, Boston, Massachusetts ; Department of Medicine, Harvard Medical School, Boston, Massachusetts.

Current Fungal Infection Reports
|March 25, 2014
PubMed
Summary

Cryptococcus fungi cause deadly infections, often starting in the lungs. This review explores how these fungi interact with macrophages, key immune cells, influencing survival and virulence.

Keywords:
Cryptococcuscarbohydratefungiglycosylationinnate immunitymacrophagephagosome

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Area of Science:

  • Mycology
  • Immunology
  • Infectious Diseases

Background:

  • Cryptococcus species are significant fungal pathogens responsible for high mortality rates.
  • Infections typically begin via the pulmonary route and can disseminate, causing severe invasive diseases like meningoencephalitis.
  • Macrophages are the primary immune cells interacting with Cryptococcus during infection.

Purpose of the Study:

  • To review recent findings on the interaction between Cryptococcus and macrophages.
  • To highlight emerging theories on Cryptococcus microevolution within macrophages.
  • To identify new research directions in host-pathogen interactions.

Main Methods:

  • This is a review article, synthesizing existing research.
  • Focuses on analyzing current literature regarding Cryptococcus-macrophage interactions.
  • Examines the mechanisms of Cryptococcus virulence and host immune evasion.

Main Results:

  • Cryptococcus employs virulence factors and host machinery to manipulate macrophage states.
  • Macrophage activation states can become permissive to intracellular Cryptococcus survival and replication.
  • Intracellular microevolution of Cryptococcus within macrophages is linked to host survival and virulence.

Conclusions:

  • Understanding Cryptococcus-macrophage interactions is crucial for combating cryptococcosis.
  • Further research into host manipulation by Cryptococcus offers potential therapeutic targets.
  • Exploring Cryptococcus microevolution within macrophages may reveal novel insights into virulence.