نتایج جستجو برای: eosinophil
تعداد نتایج: 8296 فیلتر نتایج به سال:
Myeloid progenitor cell cultures (CFU-C) were established in a double-layer agar system with peripheral blood mononuclear cells from 13 patients with the hypereosinophilic syndrome (HES). Normal controls produced 49% +/- 3.5% eosinophil colonies; results in 7 of the 13 HES patients were within the normal range, while in 5, the proportion of eosinophil colonies was greater than 3 standard deviat...
Asthma is characterized by the accumulation of activated T cells and eosinophils within the airway. Eosinophils derive from CD34(+) bone marrow progenitor cells under the influence of hematopoietic growth factors, subsequently migrating to the airways under the cooperative influence of interleukin (IL)-5 and chemokines, including eotaxin. We compared the relative effects of systemic versus loca...
Charcot-Leyden crystals (CLC) are currently believed to be unique to the eosinophil and a hallmark of active eosinophilic inflammation or proliferation. The distinctiveness of the CLC to the eosinophil was questioned in 1965 by Archer and Blackwood (9), but their demonstration of CLC formation in basophils was ignored and later dismissed (1) as being the result of eosinophil contamination of ba...
In addition to the well-recognized ability of prostaglandin D2 (PGD2) to regulate eosinophil trafficking, we asked whether PGD2 was also able to activate eosinophils and control their leukotriene C4 (LTC4)-synthesizing machinery. PGD2 administration to presensitized mice enhanced in vivo LTC4 production and formation of eosinophil lipid bodies-potential LTC4-synthesizing organelles. Immunolocal...
Rat eosinophil peroxidase and rat uterine peroxidase II showed similar electrophoretic mobilities, molecular weights, specific activities and spectral properties and could be purified by essentially identical techniques. Antibodies raised against the uterine enzyme strongly inhibited the eosinophil enzyme. It is suggested that rat eosinophil peroxidase and rat uterine peroxidase II may well be ...
Intravitreal infection of guinea pigs with second-stage larvae of Toxocara canis and second- and fourth-stage larvae of Ascaris suum induced intraocular IgE antibodies and a dense eosinophil infiltration in the anterior chamber and throughout the uveal tract. The eosinophil infiltrate began within 1 day after infection and persisted for as long as 51 days. By day 12 after intravitreal infection...
BACKGROUND Eosinophils not only defend the body against parasitic infection but are also involved in pathological inflammatory allergic diseases such as asthma, allergic rhinitis and contact dermatitis. Clearance of apoptotic eosinophils by macrophages is a key process responsible for driving the resolution of eosinophilic inflammation and can be defective in allergic diseases. However, enhance...
BACKGROUND Eosinophil cationic protein (ECP) is present in eosinophil granules. It has been associated with eosinophil-associated disorders. OBJECTIVE We compared serum ECP levels in allergic and non-allergic rhinitis patients and evaluated the association with the eosinophil count and the total IgE level. METHOD We retrospectively reviewed medical records and categorized enrolled patients ...
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