Results 1 to 10 of about 12,201,289 (252)

Granule Leakage Induces Cell-Intrinsic, Granzyme B-Mediated Apoptosis in Mast Cells [PDF]

open access: yesFrontiers in Cell and Developmental Biology, 2021
Mast cells are multifunctional immune cells scattered in tissues near blood vessels and mucosal surfaces where they mediate important reactions against parasites and contribute to the pathogenesis of allergic reactions.
Sabrina Sofia Burgener   +14 more
doaj   +2 more sources

Mast cells and canine mast cell tumours. A review [PDF]

open access: yesVeterinary Quarterly, 2004
This article reviews the literature on mast cells and tumours derived from mast cells in the dog. Mast cells play a central role in inflammatory and immune reactions. Mast cells, normal and neoplastic, contain and release important biologically active substances: heparin, histamine, eosinophilic chemotactic factor and proteolytic enzymes.
W Misdorp
exaly   +3 more sources

Mast cell repopulation of the peritoneal cavity: contribution of mast cell progenitors versus bone marrow derived committed mast cell precursors [PDF]

open access: yesBMC Immunology, 2010
Background Mast cells have recently gained new importance as immunoregulatory cells that are involved in numerous pathological processes. One result of these processes is an increase in mast cell numbers at peripheral sites.
Pastor Maria   +8 more
doaj   +2 more sources

Mast cell activation within the mesentery depends on vagal signaling following abdominal surgery [PDF]

open access: yesSurgery Open Science
Introduction: Abdominal surgery causes an inflammatory reaction in the intestines, resulting in a postoperative ileus. Mast cells can be divided into mucosal mast cells and connective tissue mast cells. In this study, we investigated mast cell activation
Anna Woestemeier   +6 more
doaj   +2 more sources

Mast cell specific Cyp11a1 deficiency promotes T cell mediated immunity and suppresses tumour metastasis in a mouse model of melanoma [PDF]

open access: yesScientific Reports
Mast cells are emerging players in malignant conditions, but the underlying molecular mechanisms remain poorly defined. Based on previous studies showing that steroids can impact on tumour progression in various settings, we here investigated whether ...
Md. Abdul Alim, Katie Butcher
doaj   +2 more sources

Tumor-Derived Extracellular Vesicles Induce CCL18 Production by Mast Cells: A Possible Link to Angiogenesis

open access: yesCells, 2022
Mast cells (MCs) function as a component of the tumor microenvironment (TME) and have both pro- and anti-tumorigenic roles depending on the tumor type and its developmental stage. Several reports indicate the involvement of MCs in angiogenesis in the TME
Irit Shefler   +3 more
doaj   +1 more source

CRISPR/Cas9-engineering of HMC-1.2 cells renders a human mast cell line with a single D816V-KIT mutation: An improved preclinical model for research on mastocytosis

open access: yesFrontiers in Immunology, 2023
The HMC-1.2 human mast cell (huMC) line is often employed in the study of attributes of neoplastic huMCs as found in patients with mastocytosis and their sensitivity to interventional drugs in vitro and in vivo.
Geethani Bandara   +7 more
doaj   +1 more source

Thymic Stromal Lymphopoietin Promotes MRGPRX2-Triggered Degranulation of Skin Mast Cells in a STAT5-Dependent Manner with Further Support from JNK

open access: yesCells, 2021
Thymic stromal lymphopoietin (TSLP) is released by epithelial cells following disturbed homeostasis to act as “alarmin” and driver of Th2-immunity. Aberrant TSLP expression is a hallmark of atopic diseases, including atopic dermatitis (AD).
Magda Babina   +3 more
doaj   +1 more source

Oncogenic D816V-KIT signaling in mast cells causes persistent IL-6 production

open access: yesHaematologica, 2020
Persistent dysregulation of IL-6 production and signaling have been implicated in the pathology of various cancers. In systemic mastocytosis, increased serum levels of IL-6 associate with disease severity and progression, although the mechanisms involved
Araceli Tobío   +9 more
doaj   +1 more source

Mastocytosis-derived extracellular vesicles deliver miR-23a and miR-30a into pre-osteoblasts and prevent osteoblastogenesis and bone formation

open access: yesNature Communications, 2021
Osteoporosis and bone disease are common in patients with systemic mastocytosis. Here, the authors show that extracellular vesicles released by neoplastic mast cells of the patients block osteoblast differentiation and bone mineralization when injected ...
Do-Kyun Kim   +9 more
doaj   +1 more source

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