Creation of catalytic antibodies metabolizing organophosphate compounds

Development of new ways of creating catalytic antibodies possessing defined substrate specificity towards artificial substrates has important fundamental and practical aspects. Low immunogenicity combined with high stability of immunoglobulins in the blood stream makes abzymes potent remedies. A goo...

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Bibliographic Details
Published in:Biochemistry (Moscow) 2012-10, Vol.77 (10), p.1139-1146
Main Authors: Kurkova, I. N., Smirnov, I. V., Belogurov, A. A., Ponomarenko, N. A., Gabibov, A. G.
Format: Article
Language:English
Subjects:
Animals
Antibodies, Catalytic - metabolism
Biochemistry
Biomedical and Life Sciences
Biomedicine
Bioorganic Chemistry
Catalysis
Catalytic antibodies
Cocaine
Immunogenicity
Immunoglobulins
Life Sciences
Microbiology
Mini-Review
Organophosphate Poisoning - drug therapy
Organophosphates
Organophosphates - chemistry
Organophosphates - metabolism
Substrate Specificity
Substrates
Toxic substances
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Summary:Development of new ways of creating catalytic antibodies possessing defined substrate specificity towards artificial substrates has important fundamental and practical aspects. Low immunogenicity combined with high stability of immunoglobulins in the blood stream makes abzymes potent remedies. A good example is the cocaine-hydrolyzing antibody that has successfully passed clinical trials. Creation of an effective antidote against organophosphate compounds, which are very toxic substances, is a very realistic goal. The most promising antidotes are based on cholinesterases. These antidotes are now expensive, and their production methods are inefficient. Recombinant antibodies are widely applied in clinics and have some advantage compared to enzymatic drugs. A new potential abzyme antidote will combine effective catalysis comparable to enzymes with high stability and the ability to switch on effector mechanisms specific for antibodies. Examples of abzymes metabolizing organophosphate substrates are discussed in this review.
ISSN:0006-2979
1608-3040
DOI:10.1134/S0006297912100069