Staphylococcal enterotoxin B is a toxic bacterial superantigen. The staphylococcal enterotoxins family have high sequence similarity.
Immunogen
Staphylococcal enterotoxin B from Staphylococcus aureus.
Application
Anti-Staphylococcal Enterotoxin B antibody produced in rabbit has been used:
to conjugate with hollow gold nanosphere and as a component of lateral flow immunoassay strip
in antibody sandwich immunoassay
for coupling with magnetic beads for detection assay
Biochem/physiol Actions
Staphylococcal enterotoxin B (SEB) is a superantigen that binds to class II MHC molecules on antigen presenting cells. It stimulates large populations of T cells resulting in acute toxic shock syndrome. It is resistant to denaturation and causes outbreaks of food poisoning that includes emetic responses, diarrhea and GI inflammation.
Staphylococcal enterotoxin B compromises the immune system by triggering inflammation and cytokine release.
Physical form
Lyophilized from 0.01 M phosphate buffered saline, pH 7.2.
Reconstitution
Reconstitute with 2 ml deionized water.
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The functional activity of superantigens is based on capacity of these microbial proteins to bind to both the β-chain of the T cell receptor (TcR) and the major histocompatibility complex (MHC) class II dimer. We have previously shown that a
Staphylococcal enterotoxins
Balaban N and Rasooly A
International Journal of Food Microbiology, 61(1), 1-10 (2000)
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The Journal of experimental medicine, 214(7), 2139-2152 (2017-06-24)
Germinal center T follicular helper cells (GCTfh) in lymphatic tissue are critical for B cell differentiation and protective antibody induction, but whether GCTfh establish clonal derivatives as circulating memory T cells is less understood. Here, we used markers expressed on
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