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  2. Immunoglobulin E - Wikipedia

    en.wikipedia.org/wiki/Immunoglobulin_E

    Specific IgE testing is the proven test for allergy detection; evidence does not show that indiscriminate IgE testing or testing for immunoglobulin G (IgG) can support allergy diagnosis. [ 34 ] Drugs targeting the IgE pathway

  3. Hyperimmunoglobulin E syndrome - Wikipedia

    en.wikipedia.org/wiki/Hyperimmunoglobulin_E_syndrome

    An IgE level greater than 2,000 IU/mL is often considered diagnostic. [17] However, patients younger than 6 months of age may have very low to non-detectable IgE levels. Eosinophilia is also a common finding with greater than 90% of patients having eosinophil elevations greater than two standard deviations above the normal mean. [ 18 ]

  4. Interleukin 4 - Wikipedia

    en.wikipedia.org/wiki/Interleukin_4

    It is a key regulator in humoral and adaptive immunity. IL-4 induces B cell class switching to IgE, and up-regulates MHC class II production. IL-4 decreases the production of T h 1 cells, macrophages, IFNγ, and dendritic cells IL-12. Overproduction of IL-4 is associated with allergies. [5]

  5. FCER1 - Wikipedia

    en.wikipedia.org/wiki/FCER1

    The high-affinity IgE receptor, also known as FcεRI, or Fc epsilon RI, is the high-affinity receptor for the Fc region of immunoglobulin E (IgE), an antibody isotype involved in allergy disorders and parasite immunity. FcεRI is a tetrameric receptor complex that binds Fc portion of the ε heavy chain of IgE. [1]

  6. Organization and expression of immunoglobulin genes

    en.wikipedia.org/wiki/Organization_and...

    Antibody (or immunoglobulin) structure is made up of two heavy-chains and two light-chains.These chains are held together by disulfide bonds.The arrangement or processes that put together different parts of this antibody molecule play important role in antibody diversity and production of different subclasses or classes of antibodies.

  7. Interleukin 13 - Wikipedia

    en.wikipedia.org/wiki/Interleukin_13

    Interleukin-13 is a central regulator in IgE synthesis, goblet cell hyperplasia, mucus hypersecretion, airway hyperresponsiveness, fibrosis and chitinase up-regulation. [7] It is a mediator of allergic inflammation and different diseases including asthma , [ 7 ] and atopic dermatitis .

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  9. Immunoglobulin class switching - Wikipedia

    en.wikipedia.org/wiki/Immunoglobulin_class_switching

    Mechanism of class-switch recombination that allows isotype switching in activated B cells. Immunoglobulin class switching, also known as isotype switching, isotypic commutation or class-switch recombination (CSR), is a biological mechanism that changes a B cell's production of immunoglobulin from one type to another, such as from the isotype IgM to the isotype IgG. [1]