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Cells of the Innate Immune Response01:28

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The innate immune response is an immediate and non-specific response against pathogens, acting swiftly to prevent the spread of infections. The primary cells involved in this response are phagocytes and natural killer (NK) cells.
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Related Experiment Video

Updated: Oct 30, 2025

Live Imaging of Antifungal Activity by Human Primary Neutrophils and Monocytes in Response to A. fumigatus
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Immune Cell Degranulation in Fungal Host Defence.

Adley Ch Mok1,2, Christopher H Mody1,2, Shu Shun Li1,2

  • 1Department of Microbiology Immunology and Infectious Diseases, Cumming School of Medicine, University Calgary, Calgary, AB T2N 4N1, Canada.

Journal of Fungi (Basel, Switzerland)
|July 2, 2021
PubMed
Summary
This summary is machine-generated.

Immune cells use degranulation to release antimicrobial compounds against fungal pathogens. This review unifies knowledge on granule similarities and differences across immune cell types for better fungal defense understanding.

Keywords:
degranulationgranulehost defencetrafficking

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Area of Science:

  • Immunology
  • Cell Biology

Background:

  • Immune cells combat fungal pathogens using antimicrobial compounds stored in secretory vesicles.
  • Degranulation, the release of these compounds via vesicle fusion with the plasma membrane, is crucial for pathogen defense.

Purpose of the Study:

  • To consolidate and compare the similarities and differences in degranulation mechanisms across various immune cell types involved in fungal host defense.
  • To facilitate knowledge transfer between different immune cell research areas.

Main Methods:

  • Review of existing literature on immune cell degranulation against fungal pathogens.
  • Comparative analysis of granule morphology, content, and release mechanisms.

Main Results:

  • Identified shared characteristics in antimicrobial secretory vesicles and degranulation processes across lymphocytes, macrophages, neutrophils, mast cells, eosinophils, and basophils.
  • Highlighted inconsistencies in current classification and descriptions of these granules and their deployment.

Conclusions:

  • Despite cell-specific variations, significant commonalities exist in immune cell granule function and deployment against fungi.
  • A unified understanding of degranulation can advance research in fungal immunology and host defense strategies.