The crystal structure of Torpedo californica (Tc) acetylcholinesterase (AChE) carbamoylated by the physostigmine analogue 8-(cis-2,6-dimethylmorpholino)octylcarbamoyleseroline (MF268) is reported at 2.7 A resolution. In the X-ray structure, the dimethylmorpholinooctylcarbamic moiety of MF268 is covalently bound to the catalytic serine, which is
It has long been appreciated that studying the embryonic chick in ovo provides a variety of advantages, including the potential to control the embryo's environment and its movement independently of maternal influences. This allowed early workers to identify movement as
British journal of pharmacology, 151(8), 1280-1292 (2007-06-19)
This work was aimed at comparing and analysing the effects and mechanisms of action of the quaternary ammonium cholinesterase inhibitors (QChEIs) BW284c51, decamethonium and edrophonium, on nicotinic ACh receptor (nAChR) function. nAChRs purified from Torpedo electroplax were transplanted to oocytes
Magnetic resonance in medicine, 56(6), 1235-1241 (2006-11-08)
To examine the effect of immobilization on the development of articular cartilage, we assessed glycosaminoglycan (GAG) content in the chick articular surface by delayed gadolinium-enhanced MRI of cartilage (dGEMRIC). Chick embryos were paralyzed by decamethonium bromide (DMB) from day 10
Journal of pharmacological and toxicological methods, 59(2), 108-119 (2009-04-16)
Exposure to irreversible cholinesterase (ChE)-inhibiting compounds, such as organophosphates may produce neuromuscular dysfunction. However, less is known about changes in neuromuscular transmission after treatment with reversible ChE-inhibitors. These studies adapted single fiber electromyography (SFEMG) techniques to quantify neuromuscular jitter in
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