Tehran University of Medical Sciences

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A-Esterase Publisher



Adeli I1, 2 ; Mohammadsadeghi H1, 2 ; Bameri B1, 2
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Authors Affiliations
  1. 1. Toxicology and Diseases Group (TDG), Pharmaceutical Sciences Research Center (PSRC), The Institute of Pharmaceutical Sciences (TIPS), Tehran, Iran
  2. 2. Department of Toxicology and Pharmacology, Faculty of Pharmacy, Tehran University of Medical Sciences (TUMS), Tehran, Iran

Source: Encyclopedia of Toxicology# Fourth Edition: Volume 1-9 Published:2023


Abstract

A-esterase enzymes, also called paraoxonase (PON), are a group of enzymes responsible for the metabolism and detoxification of different chemicals such as organophosphate insecticides and nerve gases. Three paraoxonase enzymes, PON1, PON2, and PON3, are produced in the human body. Although all three enzymes encoding genes are adjacently located on chromosomes, PON1 and PON3 are synthesized in the liver and released into the bloodstream, and PON2 is an intracellular enzyme found in several tissues. Apart from being engaged in the metabolism pathways of different compounds, PONs partake in the modulation of various diseases, including cardiovascular diseases, diabetes, and several neurological disorders. © 2024 Elsevier Inc. All rights reserved.
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