Mast cells lacking the high affinity immunoglobulin E receptor are deficient in Fc epsilon RI gamma messenger RNA.

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Mast cells lacking the high affinity immunoglobulin E receptor are deficient in Fc epsilon RI gamma messenger RNA

A population of cells that express mast cell markers, including the membrane protein p161, but that lack expression of the high affinity IgE receptor, Fc epsilon RI, can be routinely grown from bone marrow. Ionomycin, but not IgE immune complexes, causes these cells to release serotonin and to express IL-3 and IL-13 mRNA, consistent with their being FC epsilon RI-deficient mast cells. These p16...

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Human epidermal Langerhans cells express the high affinity receptor for immunoglobulin E (Fc epsilon RI)

It has been suggested that epidermal Langerhans cells (LC) bearing immunoglobulin E (IgE) may be involved in the genesis of atopic disease. The identity of the IgE receptor(s) on LC remained unclear, although it represents a crucial point in understanding cellular events linked to the binding of allergens to LC via IgE. In this report, we demonstrate that epidermal LC express the high affinity ...

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Expression of functional high affinity immunoglobulin E receptors (Fc epsilon RI) on monocytes of atopic individuals

Suggestive evidence indicates that immunoglobulin E (IgE)-dependent activation of mononuclear phagocytes plays an important pathogenic role in allergic tissue inflammation. Prevailing opinion holds that low affinity IgE receptors are the relevant IgE-binding structures on monocytes/macrophages and that functional events occurring after cross-linking of membrane-bound IgE on these cells are medi...

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Early expression of high-affinity receptor for immunoglobulin E (Fc epsilon RI) during differentiation of mouse mast cells and human basophils.

Immediate hypersensitivity is due to the release of mediators from mast cells and basophils after the crosslinking of Fc epsilon RI. The appearance of such receptors was examined during differentiation of human and mouse bone marrow cells cultured in the presence of IL-3. As already reported, mouse bone marrow yield cultures of greater than 95% mast cells by 3 wk, whereas human bone marrow deve...

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Human neutrophils express the high-affinity receptor for immunoglobulin E (Fc«RI): role in asthma

Polymorphonuclear neutrophils (PMNs) are important effector cells in host defense and the inflammatory response to antigen. The involvement of PMNs in inflammation is mediated mainly by the Fc receptor family, including IgE receptors. Recently, PMNs were shown to express two IgE receptors (CD23/Fc«RII and galectin-3). In allergic diseases, the dominant role of IgE has been mainly ascribed to it...

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ژورنال

عنوان ژورنال: Journal of Experimental Medicine

سال: 1995

ISSN: 0022-1007,1540-9538

DOI: 10.1084/jem.182.2.567