Warfare Nerve Agents and Paraoxonase-1 as a Potential Prophylactic Therapy against Intoxication.

Nerve agents are a class of lethal neurotoxic chemicals used in chemical warfare. In this review, we have discussed a brief history of chemical warfare, followed by an exploration of the historical context surrounding nerve agents. The article explores the classification of these agents, their contemporary uses, their toxicity mechanisms, and the disadvantages of the current treatment options for nerve agent poisoning. It then discusses the possible application of enzymes as prophylactics against nerve agent poisoning, outlining the benefits and drawbacks of paraoxonase- 1. Finally, the current studies on paraoxonase-1 are reviewed, highlighting that several challenges need to be addressed in the use of paraoxonase-1 in the actual field and that its potential as a prophylactic antidote against nerve agent poisoning needs to be evaluated. The literature used in this manuscript was searched using various electronic databases, such as PubMed, Google Scholar, Web of Science, Elsevier, Springer, ACS, Google Patent, and books using the keywords chemical warfare agent, butyrylcholinesterase, enzyme, nerve agent, prophylactic, and paraoxonase-1, with the time scale for the analysis of articles between 1960 to 2023. The study has suggested that concerted efforts by researchers and agencies must be made to develop effective countermeasures against NA poisoning and that paraoxonase-1 has suitable properties for the development of efficient prophylaxis against NA poisoning.
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