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| ABOLITION OF ANAPHYLAXIS BY TARGETED DISRUPTION OF THE HIGH-AFFINITY IMMUNOGLOBULIN-E RECEPTOR ALPHA-CHAIN GENE |
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| Author(s): DOMBROWICZ D, FLAMAND V, BRIGMAN KK, KOLLER BH, KINET JP |
| Source: CELL Volume: 75 Issue: 5 Pages: 969-976 Published: DEC 3 1993 |
| Times Cited: 211 References: 43 |
| Abstract: Mast cells and basophils, which are activated by immunoglobulin E (IgE) and allergen, play a prominent role in anaphylaxis. However, they express at least three types of IgE receptor, including the high affinity IgE receptor (FcepsilonRI). The relative contribution of these IgE receptors, and possibly other receptors such as FcepsilonRII/CD23 and Mac-2, to the genesis of in vivo anaphylaxis is still unclear. To address this question, we have generated FcepsilonRI-deficient mice. These mice appear normal and express a normal number of mast cells, but they are resistant to cutaneous and systemic anaphylaxis. These data demonstrate that FcepsilonRI is necessary for the initiation of IgE-dependent anaphylactic reactions. Therefore, interfering with its function should be an effective means of treating allergy, regardless of the allergen specificity. |
| Document Type: Article |
| Language: English |
| Reprint Address: DOMBROWICZ, D (reprint author), NIAID, MOLEC ALLERGY & IMMUNOL SECT, ROCKVILLE, MD 20852 USA |
Addresses:
1. UNIV N CAROLINA, DEPT MED, CHAPEL HILL, NC 27599 USA |
| Publisher: CELL PRESS, 1050 MASSACHUSETTES AVE, CIRCULATION DEPT, CAMBRIDGE, MA 02138 |
| Subject Category: Biochemistry & Molecular Biology; Cell Biology |
| IDS Number: MK966 |
| ISSN: 0092-8674 |
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