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Basophil Activation Test for Investigation of IgE-Mediated Mechanisms in Drug Hypersensitivity

Basophil Activation Test for Investigation of IgE-Mediated Mechanisms in Drug Hypersensitivity

Published on: September 16, 2011

Non-IgE mediated mast cell activation.

Frank A Redegeld¹, Yingxin Yu¹, Sangeeta Kumari¹

¹Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, The Netherlands.

Immunological Reviews

|February 13, 2018

Summary

This summary is machine-generated.

Mast cells (MCs) are innate immune cells crucial for tissue integrity. This review explores their diverse receptor repertoire and non-IgE-mediated activation pathways in immune responses.

Keywords:

ATP CD151 CD37 CD48 CD53 CD63 CD81 CD9 Fc receptor GPCR IL-1 IL-33 MAS-related GPCR PPAR Toll-like receptor alarmins aryl hydrocarbon receptor complement endothelin receptors free light chain glucocorticoid receptor integrins mast cell neuropeptides neurotensin nucleotide oligomerization domain-like receptors pattern recognition receptor retinoic acid-inducible gene-I-like receptors sphingosine-1 phosphate substance P vitamin D receptor

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Area of Science:

Immunology
Cell Biology

Background:

Mast cells (MCs) are key innate immune cells residing in tissues, particularly at barrier sites like skin and mucosa.
While known for IgE-mediated allergies, MCs also maintain tissue integrity by sensing environmental signals and inflammatory triggers.
Upon activation, MCs release mediators to orchestrate innate immune and inflammatory responses with other cellular systems.

Purpose of the Study:

To review the diverse receptors expressed by mast cells.
To discuss the functional implications of these receptors in immune and inflammatory responses.
To focus on non-Immunoglobulin E (non-IgE)-mediated activation mechanisms of mast cells.

Main Methods:

Literature review of mast cell receptors and their functions.
Analysis of signaling pathways involved in mast cell activation.
Focus on non-IgE-mediated immune responses.

Main Results:

Mast cells express a wide array of receptors, including those for Immunoglobulins, pattern recognition receptors, nuclear receptors, and alarmins.
These receptors enable mast cells to respond to diverse stimuli beyond allergens.
Non-IgE-mediated pathways are critical for mast cell functions in tissue homeostasis and immunity.

Conclusions:

Mast cells possess a versatile receptor repertoire enabling complex roles in innate immunity and tissue surveillance.
Understanding non-IgE-mediated activation is vital for comprehending mast cell functions in health and disease.
Further research into these pathways can reveal novel therapeutic targets.