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Related Experiment Videos

Studies using a monoclonal antibody against soman.

D E Lenz, A A Brimfield, K W Hunter

    Fundamental and Applied Toxicology : Official Journal of the Society of Toxicology
    |April 1, 1984
    PubMed
    Summary

    Monoclonal antibodies targeting the nerve agent soman were developed. These antibodies show high specificity and potential for treating organophosphorus poisoning.

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    Area of Science:

    • Immunology
    • Toxicology
    • Biochemistry

    Background:

    • Organophosphorus compounds, such as soman, pose significant toxicological threats.
    • Developing specific countermeasures against nerve agents is crucial for public health and security.

    Purpose of the Study:

    • To produce and characterize antibodies against the organophosphorus hapten soman.
    • To evaluate the potential therapeutic applications of these antibodies against soman exposure.

    Main Methods:

    • Production of polyclonal antibodies in rabbits and monoclonal antibodies in vitro.
    • Competitive inhibition enzyme immunoassay (CIEIA) to assess antibody specificity.
    • In vitro experiments measuring antibody competition with acetylcholinesterase (AChE) for soman.
    • In vivo passive immunization studies in mice exposed to soman.

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    Main Results:

    • Monoclonal antibodies demonstrated high specificity for soman, with no cross-reactivity to analogs or hydrolysis products.
    • Antibodies competed with AChE for soman, slowing the rate of enzyme inhibition.
    • Passive immunization with monoclonal antibodies significantly increased survival times in mice exposed to soman.

    Conclusions:

    • Monoclonal antibodies against soman exhibit high specificity and efficacy.
    • These antibodies show promise as immunocytochemical reagents and potential therapeutic agents for organophosphorus poisoning.