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Recombinant Humanized (from mouse) Antibody Fab Fragment binds selectively to Human IGHE, expressed in E. coli
Fab Fragment based on Humanized (from mouse) IgG1 - kappa
IgE from myelomatous human serum.
Suitable for use in FC, IP, ELISA, Neut, FuncS, IF and most other immunological methods.
Tested positive against native antigen.
Predicted N terminal
H chain: EVQLVES; L Chain: DIQMTQS
>95.0% as determined by analysis by SDS-PAGE.
Store at 4°C for up to 3 months. For longer term storage aliquot into small volumes and store at -20°C.
IgE is typically the least abundant isotype - blood serum IgE levels in a normal ("non-atopic") individual are ~150 ng/ml, compared to 10 mg/ml for the IgGs - it is capable of triggering the most powerful immune reactions. Most of our knowledge of IgE has come from research into the mechanism of a form of allergy known as type 1 hypersensitivity. There is much speculation into what physiological benefits IgE contributes, and so far, circumstantial evidence in animal models and statistical population trends have hinted that IgE may be beneficial in fighting gut parasites such as Schistosoma mansoni, but this has not been conclusively proven in humans. IgE may play an important role in the immune system"s recognition of cancer, in which the stimulation of a strong cytotoxic response against cells displaying only small amounts of early cancer markers would be beneficial. IgE may be an important target in treatments for allergy and asthma.