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IgE-sensitized mast cells release extracellular vesicles that transfer IgE and spread allergic sensitization

delete2026-07-10
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OA
AI
A
Annika Pfeiffer *
G
Geethani Bandara
K
Kelly Pardo
G
Gwendolyn Cooper
B
Benjamin Schwarz
I
Ian S. LaCroix
E
Eric Bohrnsen
E
Ellen Zektser
L
Linda Pham
F
Fernanda D. Young
B
Brian A. Sellers
E
Elisabeth Meyer
T
Thomas J. Langowski
M
Min Jenny Li
L
Lindsay Chatman
K
Karen Laky
A
Andrea Luker
M
Margery Smelkinson
D
Dean D. Metcalfe
P
Pamela A. Frischmeyer‐Guerrerio
DOI:10.1016/j.jaci.2026.06.019delete
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Abstract

Abstract

En 中文
Elevated IgE levels are linked to allergic conditions. IgE binding to FcεRI sensitizes mast cells (MCs), and allergen-induced cross-linking of IgE-bound FcεRI triggers MC activation. Extracellular vesicles (EVs), implicated in intercellular communication, are coreleased during IgE-mediated MC degranulation. Although extensive research has examined MC activation, the effects of IgE sensitization alone on MCs remain less understood.
Keywords:
Allergic sensitization
extracellular vesicles
FcεRI
immunoglobulin E
mast cell
BMMC
Bone marrow–derived MC
DC
Dendritic cell
EV
Extracellular vesicle
FA
Food allergic
GO
Gene Ontology (geneontology.org)
huMC
Human MC
LAD2
Laboratory of Allergic Diseases 2 human MC line
MC
Mast cell
PCA
Principal component analysis
PG
Phosphatidylglycerol
PM
Plasma membrane
sEV
Small EV
SM
Sphingomyelin
XL
Cross-linking

Journal

Journal of Allergy and Clinical Immunology cover
Journal of Allergy and Clinical Immunology
IF:
11.2
Papers:
3.7W
Citations:
5.6W

Organization

No organization information available
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Cited Papers

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