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Staphylococcal enterotoxin A from
Staphylococcal aureus was injected peritoneally in mice to induce sepsis.
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Staphylococcal enterotoxin A belongs to the family of staphylococcal exotoxins. It is secreted by
Staphylococcus aureus, a Gram-positive bacteria.
Biochem/physiol Actions
Staphylococcal enterotoxin A from Staphylococcus aureus is leading agent that causes of food poisoning. A concentration of as little as 0.5 mg/ml is sufficient to result in nausea, vomiting, diarrhea and cramps.8 It stimulates the cell proliferation of peripheral lymphocytes, induces the production of interferons and is important for gut immunity against S. aureus infections.9 It acts as a super antigen for T-lymphocytes.
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