A new assay for measurement of Acetylcholinesterase and butyrylcholinesterase in canine whole blood combining specific substrates and ethopropazine hydrochloride as a selective butyrylcholinesterase inhibitor
2015
Tecles, F. (University of Murcia (Spain). Animal Medicine and Surgery Dept.) | Tvarijonaviciute, A. (University of Murcia (Spain). Animal Medicine and Surgery Dept.) | Ceron, J.J. (University of Murcia (Spain). Animal Medicine and Surgery Dept.)
In the present report, a new assay combining specific substrates and a selective BChE inhibitor (ethopropazine hydrochloride) was used to measure both AChE and BChE in canine whole blood samples. Acetylthiocholine iodide (ATCI) and butyrylthiocholine iodide (BTCI) were used as substrates, whereas 2,2'- dithiodipiridine was used as chromophore. Ethopropazine concentration inhibiting over 95% BChE with minimum AChE inhibition was fixed at 0.3mM. The results confirmed that whole blood cholinesterase activity measured with BTCI in absence of ethopropazine corresponded with serum BChE, whereas whole blood cholinesterase analyzed with ATCI in presence of ethopropazine reflected mainly erythrocytes and plasma AChE activity. This procedure showed good repeatability, it was easy and fast, and can be routinely used in veterinary laboratories.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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