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Int. J. Mol. Sci. 2008, 9(11), 2243-2252; doi:10.3390/ijms9112243

Effect of Several New and Currently Available Oxime Cholinesterase Reactivators on Tabun-intoxicated Rats

1
Department of Toxicology, Faculty of Military Health Sciences, Trebesska 1575, 500 01 Hradec Kralove, Czech Republic
2
Center of Advanced Studies, Faculty of Military Health Sciences, Hradec Kralove, Czech Republic
3
Medicinal Science Division, Korea Research Institute of Chemical Technology, PO Box 107, Yusong, Taejon 305-606, Korea
*
Author to whom correspondence should be addressed.
Received: 16 October 2008 / Revised: 4 November 2008 / Accepted: 7 November 2008 / Published: 14 November 2008
(This article belongs to the Section Biochemistry, Molecular Biology and Biophysics)
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Abstract

The therapeutical efficacies of eleven oxime-based acetylcholinesterase reactivators were compared in an in vivo (rat model) study of treatment of intoxication caused by tabun. In this group there were some currently available oximes (obidoxime, trimedoxime and HI-6) and the rest were newly synthesized compounds. The best reactivation efficacy for acetylcholinesterase in blood (expressed as percent of reactivation) among the currently available oximes was observed after administration of trimedoxime (16%) and of the newly synthesized K127 (22432) (25%). The reactivation of butyrylcholinesterase in plasma was also studied; the best reactivators were trimedoxime, K117 (22435), and K127 (22432), with overall reactivation efficacies of approximately 30%. Partial protection of brain ChE against tabun inhibition was observed after administration of trimedoxime (acetylcholinesterase 20%; butyrylcholinesterase 30%) and obidoxime (acetylcholinesterase 12%; butyrylcholinesterase 16%). View Full-Text
Keywords: Acetylcholinesterase; butyrylcholinesterase; reactivators; oximes; pretreatment Acetylcholinesterase; butyrylcholinesterase; reactivators; oximes; pretreatment
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Karasova, J.Z.; Kassa, J.; Jung, Y.-S.; Musilek, K.; Pohanka, M.; Kuca, K. Effect of Several New and Currently Available Oxime Cholinesterase Reactivators on Tabun-intoxicated Rats. Int. J. Mol. Sci. 2008, 9, 2243-2252.

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