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Receptors ige

receptors, IgE

specific molecular sites on the surface of b- and t-lymphocytes which combine with iges. Two subclasses exist: low affinity receptors (fc epsilon ri) and high affinity receptors (fc epsilon rii).

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Immunology: Th1/Th2 vs cellular/humoral responses

... have Th2-deviated (cytokines such as IL4) responses that promote IgE formation. IgE, in turn, binds to basophils and mast cells and when an allergen is bound by its specific IgE, it cross-links the FceRI receptors on surface of the basophil and causes the release of substances that ...

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by biohazard
Tue Nov 02, 2010 9:35 am
Forum: Cell Biology
Topic: Immunology: Th1/Th2 vs cellular/humoral responses
Replies: 10
Views: 43593

Re: Cytokine - Receptor concepts

... complement activation, neonatal immunity or placental transfer), IgE (acts in immunity against helminthes (worms), mast cell degranulation ... on the cell surface the affinity of the cytokine will be increase. Receptors has remarkable characteristics and are partly because of deficiency ...

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by marla
Tue Jun 01, 2010 9:08 pm
Forum: Cell Biology
Topic: Cytokine - Receptor concepts
Replies: 7
Views: 14699

The Immune System - Recognition in innate immunity. How?

... are common to microbes but not present in the host body. This way the receptors that recognize these can be assembled straight from their respective ... response typically takes the main role in eradicating the pathogen. IgE has a different heavy chain from IgG subtypes, and is capable of binding ...

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by biohazard
Tue May 12, 2009 7:43 am
Forum: Cell Biology
Topic: The Immune System - Recognition in innate immunity. How?
Replies: 2
Views: 10154

Electron Micrograph of vesicles...

... in all those dense-looking granules. Their surfaces are coated with IgE receptors and when stimulated by IgE-antigen complexes, they release the contents of the granules ...

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by blcr11
Sat May 26, 2007 3:19 am
Forum: Cell Biology
Topic: Electron Micrograph of vesicles...
Replies: 5
Views: 4842

i figured it out

... By hijacking B-cell. it makes B-cell secrete massive amount of IgE (IgE is responsible for anaphylaxis syndrome and other allergic syndromes ... has a very effective effect). This Fc from IgE will bind the mast cells receptors and when a tiny allergen gets in into the victim, it will bind ...

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by victor
Sat Jul 22, 2006 4:24 am
Forum: General Discussion
Topic: i figured it out
Replies: 21
Views: 8701
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