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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Area-specific modification of acetylcholinesterase activity following 3-mercaptopropionic acid-induced seizures.

Acetylcholinesterase activity (AChE) was assayed in rat CNS membrane fractions after administration of the convulsant 3-mercaptopropionic acid (150 mg/kg, ip). In comparison with saline-injected controls, total AChE activity decreased 12-20% in striatum and cerebellum during seizure and postseizure but failed to change in cerebral cortex. Specific AChE activity, assayed in the presence of 10(-4) M ethopropazine (a butyrylcholinesterase inhibitor), decreased 15-25% in striatum and cerebellum, increased 20-45% in hippocampus, but remained unchanged in cerebral cortex. Saline injection alone increased AChE activity in striatum (68%) and cerebellum (36%) but failed to modify enzyme activity in hippocampus and cerebral cortex. To conclude, AChE sensitivity to convulsant and saline administration is tissue-specific and not restricted to cholinergic areas.[1]

References

  1. Area-specific modification of acetylcholinesterase activity following 3-mercaptopropionic acid-induced seizures. Girardi, E., Schneider, P., Rodriguez De Lores Arnaiz, G. Mol. Chem. Neuropathol. (1994) [Pubmed]
 
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