Role of Acetylcholinesterase (AChE) reactivators in the treatment of Organophosphorus poisoning: in vivo, in vitro, and in silico studies

organophosphorus poisoning rectification

Authors

  • Ratandeep University of Delhi
  • Ayushi University of Delhi
  • Garima University of Delhi
  • Laishram Saya Devi University of Delhi
  • Pooja University of Delhi

Keywords:

Organophosphorus, Oximes, Non-oximes, AChE, Reactivation, heterocyclic compounds, brain, nervous system, pesticide, medicinal chemistry

Abstract

Chemical warfare agents, especially organophosphorus (OP) compounds, are known for their extreme toxicity causing inhibition of acetylcholinesterase (AChE) enzyme activity due to covalent phosphorylation. This leads to functional impairment of muscarinic nicotinic acetylcholine receptors, resulting in severe ill effects that ultimately lead to death. For OP poisoning, AChE reactivators play a crucial role in the treatment process. Among several AChE reactivators, Oxime reactivators are majorly employed for the treatment of OP intoxication, nevertheless, these are associated with certain drawbacks such as their toxic effects, low blood-brain barrier (BBB) penetration, less reactivation in the central nervous system (CNS), and inefficiency toward all nerve agents, and blocked AChE. As a result, new therapeutic strategies are required. Recent attempts are focused on the design and synthesis of uncharged oximes or non-oxime reactivators which can overcome the limitations of oxime-based reactivators. A novel class of non-oxime reactivators is gaining interest, including compounds like Mannich phenols, chloroquines, and some general bases. This review is a novel attempt to incorporate various possible oxime and non-oxime AChE reactivators for OP intoxication along with their in vitro, in vivo, and in silico studies.

URN:NBN:sciencein.cbl.2023.v10.538

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Author Biographies

  • Laishram Saya Devi, University of Delhi

    Department of Chemistry,
    Sri Venkateswara College,
    University of Delhi, Delhi-110021, India

  • Pooja, University of Delhi

    Department of Chemistry
    Sri Venkateswara College

Published

2023-01-27

Issue

Section

Review Articles

URN

How to Cite

(1)
Ratandeep; Ayushi; Garima; Devi, L. S.; Pooja. Role of Acetylcholinesterase (AChE) Reactivators in the Treatment of Organophosphorus Poisoning: In Vivo, in Vitro, and in Silico Studies. Chem Biol Lett 2023, 10 (2), 538.

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