Bacterial Toxins-Staphylococcal Enterotoxin B.
Bettina C Fries1, Avanish K Varshney1
1Department of Medicine/Infectious Diseases and Department of Microbiology and Immunology, Albert Einstein College of Medicine, Bronx, NY 10461.
Microbiology Spectrum
|July 18, 2015
Summary
Staphylococcal enterotoxin B (SEB) causes severe immune responses and related illnesses. Monoclonal antibodies show promise for passive immunotherapy against SEB toxicity.
Area of Science:
- Immunology
- Microbiology
- Toxicology
Background:
- Staphylococcal enterotoxin B (SEB) is a potent bacterial superantigen.
- SEB triggers severe immune responses, including cytokine release and inflammation.
- SEB is linked to various human conditions like food poisoning and toxic shock syndrome.
Purpose of the Study:
- To evaluate the potential of passive immunotherapy using monoclonal antibodies against SEB.
- To assess the efficacy of antibodies in mitigating SEB-induced toxicity.
Main Methods:
- In vitro studies assessing antibody inhibition of SEB.
- In vivo studies evaluating antibody efficacy in preventing lethal SEB shock.
Main Results:
- Monoclonal antibodies demonstrated significant inhibition of SEB in in vitro experiments.
- Antibodies effectively reduced mortality in animal models of SEB-induced lethal shock.
Conclusions:
- Passive immunotherapy with monoclonal antibodies is a promising strategy against SEB.
- Further development of these antibodies as therapeutic agents is warranted.
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