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Journal of applied toxicology : JAT

Investigation of anticholinergic and non-steroidal anti-inflammatory prodrugs which reduce chemically induced skin inflammation.


PMID 21319177

Abstract

As part of a continuous effort to develop efficient counter measures against sulfur mustard injuries, several unique NSAID prodrugs have been developed and screened for anti-inflammatory properties. Presented herein are three classes of prodrugs which dually target inflammation and cholinergic dysfunction. Compounds 1-28 contain common NSAIDs linked either to choline bioisosteres or to structural analogs of acetylcholinesterase (AChE) inhibitors. These agents have shown utility as anti-vesicants and anti-inflammatory agents when screened in a mouse ear vesicant model (MEVM) against both 2-chloroethyl ethyl sulfide (CEES), a blistering agent, and 12-O-tetradecanoylphorbol-13-acetate (TPA), a common topical irritant. Many of the prodrugs have activity against CEES, with 5, 18, 22 and 27 reducing inflammation by more than 75% compared with a control. Compounds 12, 13, 15 and 22 show comparable activity against TPA. Promising activity in the MEVM is related to half-lives of NSAID release in plasma, moderate to high lipophilicity, and some degree of inhibition of AChE, a potential contributor to sulfur mustard-mediated tissue damage.

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242640
2-Chloroethyl ethyl sulfide, 97%
C4H9ClS