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Related Experiment Video

Updated: Jun 4, 2026

Basophil Activation Test for Allergy Diagnosis

Basophil Activation Test for Allergy Diagnosis

Published on: May 31, 2021

Eosinophils : collection, separation, and activation.

L Koenderman¹, J van der Linden, L Ulfman

¹Department of Pulmonary Diseases, University Hospital,Utrecht, Utrecht, The Netherlands.

Methods in Molecular Medicine

|February 22, 2011

Summary

This summary is machine-generated.

Granulocytes are key immune cells defending against microbes via phagocytosis and toxic metabolite production. Their uncontrolled activation contributes to severe diseases like ARDS and septic shock.

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Area of Science:

Immunology
Cell Biology

Background:

Granulocytes are crucial for host defense against bacteria and fungi.
They possess cytotoxic effector mechanisms like phagocytosis, NADPH oxidase activity, and degranulation.
Granulocytes also modulate inflammation through cytokine and lipid mediator release.

Purpose of the Study:

To highlight the multifaceted roles of granulocytes in immunity and inflammation.
To underscore the significance of granulocyte function in disease pathogenesis.

Main Methods:

Review of existing literature on granulocyte function and effector mechanisms.
Analysis of the role of granulocytes in host defense and inflammatory processes.

Main Results:

Granulocytes employ phagocytosis, NADPH oxidase-dependent reactive oxygen species, and cytotoxic proteins for microbial killing.
These cells release cytokines and lipid mediators, influencing inflammatory responses.
Dysfunctional granulocyte activation is implicated in severe conditions such as ARDS and septic shock.

Conclusions:

Granulocytes are essential immune cells with diverse functions in host defense and inflammation.
Aberrant granulocyte activation contributes to the pathology of critical illnesses.
Understanding granulocyte biology is vital for addressing related clinical conditions.