Results 21 to 30 of about 63,047 (307)

The Anti-apoptotic Murine Cytomegalovirus Protein vMIA-m38.5 Induces Mast Cell Degranulation

open access: yesFrontiers in Cellular and Infection Microbiology, 2020
Mast cells (MC) represent “inbetweeners” of the immune system in that they are part of innate immunity by acting as first-line sentinels for environmental antigens but also provide a link to adaptive immunity by secretion of chemokines that recruit CD8 T
Julia K. Schmiedeke   +5 more
doaj   +1 more source

DOCK2 Mutation and Recurrent Hemophagocytic Lymphohistiocytosis

open access: yesLife, 2023
Hemophagocytic lymphohistiocytosis (HLH) is a syndrome resulting from uncontrolled hyper-inflammation, excessive immune system activation, and elevated levels of inflammatory cytokines.
Daniel D. Reiff   +2 more
doaj   +1 more source

Mechanisms of Degranulation in Neutrophils [PDF]

open access: yesAllergy, Asthma & Clinical Immunology, 2006
AbstractNeutrophils are critical inflammatory cells that cause tissue damage in a range of diseases and disorders. Being bone marrow-derived white blood cells, they migrate from the bloodstream to sites of tissue inflammation in response to chemotactic signals and induce inflammation by undergoing receptor-mediated respiratory burst and degranulation ...
openaire   +4 more sources

Video-Rate Bioluminescence Imaging of Degranulation of Mast Cells Attached to the Extracellular Matrix

open access: yesFrontiers in Cell and Developmental Biology, 2018
Degranulation refers to the secretion of inflammatory mediators, such as histamine, serotonin, and proteases, that are stored within the granules of mast cells and that trigger allergic reactions.
Satoru Yokawa   +5 more
doaj   +1 more source

The Suppressive Activity of Fucofuroeckol-A Derived from Brown Algal Ecklonia stolonifera Okamura on UVB-Induced Mast Cell Degranulation

open access: yesMarine Drugs, 2018
UV light, especially UVB, is known as a trigger of allergic reaction, leading to mast cell degranulation and histamine release. In this study, phlorotannin Fucofuroeckol-A (F-A) derived from brown algal Ecklonia stolonifera Okamura was evaluated for its ...
Thanh Sang Vo   +7 more
doaj   +1 more source

Piecemeal degranulation in human tumour pheochromocytes [PDF]

open access: yesJournal of Anatomy, 2005
AbstractPiecemeal degranulation (PMD) has been recognized in two cases of human pheochromocytoma from the adrenal medulla, which were studied by transmission electron microscopy. Tumour pheochromocytes presented a highly characteristic cytoplasmic admixture of normal resting granules, swollen granules with eroded matrices and enlarged empty containers.
CRIVELLATO, Enrico   +3 more
openaire   +4 more sources

Anti-Allergic Activity of Monoacylated Ascorbic Acid 2-Glucosides

open access: yesMolecules, 2017
2-O-α-d-Glucopyranosyl-l-ascorbic acid (AA-2G) is one of the stable ascorbic acid (AA) derivatives known as provitamin C agents. We have previously synthesized two types of monoacylated derivatives of AA-2G, 6-O-acyl-2-O-α-d-glucopyranosyl-l-ascorbic ...
Kaori Miura   +5 more
doaj   +1 more source

Calcineurin Aα Contributes to IgE-Dependent Mast-Cell Mediator Secretion in Allergic Inflammation

open access: yesJournal of Innate Immunity, 2021
Mast cells (MCs) are key mediators of allergic inflammation through the activation of cross-linked immunoglobulin E (IgE) bound to the high-affinity IgE receptor (FcϵRI) on the cell surface, leading to the release of biologically potent mediators, either
Edwin Leong   +3 more
doaj   +1 more source

Anti-allergic Inflammatory Effects of the Essential Oil From Fruits of Zanthoxylum coreanum Nakai

open access: yesFrontiers in Pharmacology, 2018
Zanthoxylum coreanum Nakai is a rare shrub which grows in Korea and China. Pericarp of Z. coreanum has been used as a crude medicine, but there are few researches about the pharmacologic activities.
Rui Hong Guo   +8 more
doaj   +1 more source

β-arrestin-1 and β-arrestin-2 Restrain MRGPRX2-Triggered Degranulation and ERK1/2 Activation in Human Skin Mast Cells

open access: yesFrontiers in Allergy, 2022
As a novel receptor that efficiently elicits degranulation upon binding to one of its numerous ligands, MRGPRX2 has moved to the center of attention in mast cell (MC) research.
Zhao Wang   +12 more
doaj   +1 more source

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