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Cited by 448

The DOI matches its Crossref record; 38 of the 38 references it cites were found in a registry or an index.

IgE Enhances Mouse Mast Cell FcεRI Expression In Vitro and In Vivo: Evidence for a Novel Amplification Mechanism in IgE-dependent Reactions

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Yamaguchi, Masao, Lantz, Chris S., Oettgen, Hans C., Katona, Ildy M., Fleming, Tony, Miyajima, Ichiro, Kinet, Jean-Pierre, Galli, Stephen J.·1997·The Journal of Experimental Medicine

Abstract

The binding of immunoglobulin E (IgE) to high affinity IgE receptors (FcεRI) expressed on the surface of mast cells primes these cells to secrete, upon subsequent exposure to specific antigen, a panel of proinflammatory mediators, which includes cytokines that can also have immunoregulatory activities. This IgE- and antigen-specific mast cell activation and mediator production is thought to be critical to the pathogenesis of allergic disorders, such as anaphylaxis and asthma, and also contributes to host defense against parasites. We now report that exposure to IgE results in a striking (up to 32-fold) upregulation of surface expression of FcεRI on mouse mast cells in vitro or in vivo. Moreover, baseline levels of FcεRI expression on peritoneal mast cells from genetically IgE-deficient (IgE −/−) mice are dramatically reduced (by ∼83%) compared with those on cells from the corresponding normal mice. In vitro studies indicate that the IgE-dependent upregulation of mouse mast cell FcεRI expression has two components: an early cycloheximide-insensitive phase, followed by a later and more sustained component that is highly sensitive to inhibition by cycloheximide. In turn, IgE-dependent upregulation of FcεRI expression significantly enhances the ability of mouse mast cells to release serotonin, interleukin-6 (IL-6), and IL-4 in response to challenge with IgE and specific antigen. The demonstration that IgE-dependent enhancement of mast cell FcεRI expression permits mast cells to respond to antigen challenge with increased production of proinflammatory and immunoregulatory mediators provides new insights into both the pathogenesis of allergic diseases and the regulation of protective host responses to parasites.

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Metadata

Authors
Yamaguchi, M., Lantz, C. S., Oettgen, H. C., Katona, I. M., Fleming, T., Miyajima, I., Kinet, J.-P., & Galli, S. J.
Venue
The Journal of Experimental Medicine
Published
1997-02-17
Volume
185
Issue
4
Pages
663-672
ISSN
  • 0022-1007 (ISSN-L)
  • 1540-9538
OpenAlex
W2154196772
Cited by
448
References
38
FWCI
13.06
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: IgE Enhances Mouse Mast Cell FcεRI Expression In Vitro and In Vivo: Evidence for a Novel Amplification Mechanism in IgE-dependent Reactions. https://app.cochat.ai/papers/10.1084/jem.185.4.663
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Yamaguchi, M., Lantz, C. S., Oettgen, H. C., Katona, I. M., Fleming, T., Miyajima, I., Kinet, J.-P., & Galli, S. J. (1997). IgE Enhances Mouse Mast Cell FcεRI Expression In Vitro and In Vivo: Evidence for a Novel Amplification Mechanism in IgE-dependent Reactions. The Journal of Experimental Medicine. https://doi.org/10.1084/jem.185.4.663

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