نتایج جستجو برای: eosinophil
تعداد نتایج: 8296 فیلتر نتایج به سال:
eosinophils when compared with medium alone. Interestingly, blocking the activity of cysteinyl Leukotries using antagonists inhibited eosinophil-derived ASM proliferation. Conclusions: Eosinophils enhances the proliferation of ASM cells. This role of eosinophil does not seem to depend on ASM derived ECM proteins nor on Eosinophil derived TGF-b or TNF-a. Eosinophil seems to induce ASM proliferat...
Eosinophilic inflammation in peripheral tissues is typically marked by the deposition of a prominent eosinophil protein, Galectin-10, better known as Charcot-Leyden crystal protein (CLC). Unlike the eosinophil’s four distinct toxic cationic proteins and enzymes [major basic protein (MBP), eosinophil-derived neurotoxin (EDN), eosinophil cationic protein (ECP), and eosinophil peroxidase (EPO)], t...
Stimulation of unfractionated or nonadherent human marrow cells in agar culture by pokeweed-mitogen-stimulated BALB/c mouse spleen cell conditioned medium (SCM) led, in most cultures, to the exclusive formation of eosinophil colonies. The culture system exhibited linearity of eosinophil colony formation with varying numbers of cells cultured, and the absolute numbers and size of SCM-stimulated ...
allergic airway inflammation is characterized by elaboration of cytokines and chemokines leading to recruitment of inflammatory leukocytes, predominantly eosinophils, to the airways. granulocyte macrophage colony stimulating factor (gm-csf) is generated in the lungs of human subjects with asthma in response to allergen challenge and is necessary for the development of allergen-induced bronchial...
Unstained human eosinophils exhibit unusually bright autofluorescence, which allows them to be distinguished from other leukocytes using fluorescence microscopy. Eosinophil fluorescence is associated with the cytoplasmic granules of the cells. Eosinophil granule extracts, containing an as-yet-undefined eosinophil fluorescence factor, exhibited excitation maxima at 370 nm and 450 nm, with maximu...
Eosinophils are potent inflammatory cells with numerous immune functions, including antigen presentation and exacerbation of inflammatory responses through their capacity to release a range of largely preformed cytokines and lipid mediators. Thus, timely regulation of eosinophil activation and apoptosis is crucial to develop beneficial immune response and to avoid tissue damage and induce resol...
To determine the relative in vivo importance of endothelial expressed adhesion molecules to eosinophil rolling, adhesion, and transmigration, we have induced eosinophilic peritonitis using ragweed allergen in P-selectin-deficient, intracellular adhesion molecule-1 (ICAM-1)-deficient and control wild-type mice. Circulating leukocytes visualized by intravital microscopy exhibited reduced rolling ...
BACKGROUND Thymic stromal lymphopoietin (TSLP) and eosinophils are prominent components of allergic inflammation. Therefore, we sought to determine whether TSLP could activate eosinophils, focusing on measuring the regulation of TSLPR expression on eosinophils and degranulation in response to TSLP, as well as other eosinophil activation responses. METHODS Eosinophil mRNA expression of TSLPR a...
The production of eosinophil-specific chemotactic factors during allergic airway responses may be a pivotal event resulting in eosinophil accumulation, activation, and airway damage. Recent studies have identified specific chemokines that may play crucial roles in recruitment of eosinophils to the site of allergic reactions. In this study we have utilized an established model of schistosome egg...
Background Previous studies have shown that tumor-associated tissue eosinophilia have a role in various types of solid tumors. However, the relationship between eosinophil and acute ischemic stroke (AIS) is unclear. We aimed to investigate the diagnostic significance of eosinophil in AIS patients. Methods This study included 300 AIS patients without hypereosinophilic syndrome (HES). The hemat...
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