Effects of 9-amino-1,2,3,4-tetrahydroacridine (THA) on ATP diphosphohydrolase (EC 3.6.1.5) and 5'-nucleotidase (EC 3.1.3.5) from rat brain synaptosomes.

Abstract

1. 9-Amino-1,2,3,4-tetrahydroacridine (THA), an acetylcholinesterase inhibitor, significantly inhibited in vitro the ATP diphosphohydrolase activity of synaptosomes from the cerebral cortex and hippocampus of adult rats. 2. THA did not inhibit in vitro the 5'-nucleotidase activity of synaptosomes from cerebral cortex and hippocampus of rats. 3. THA exerted an uncompetitive inhibition on ATP diphosphohydrolase activity. This mechanism of inhibition was the same in the 2 different synaptosomal fractions (cerebral cortex and hippocampus) studied. 4. THA, proposed as a drug for the treatment of Alzheimer's disease, can alter in vitro ATP degradation in synaptosomes from the central nervous system.

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@article{Bonan1997EffectsO9, title={Effects of 9-amino-1,2,3,4-tetrahydroacridine (THA) on ATP diphosphohydrolase (EC 3.6.1.5) and 5'-nucleotidase (EC 3.1.3.5) from rat brain synaptosomes.}, author={Carla Denise Bonan and Ana Maria Oliveira Battastini and Maria Rosa Schetinger and Cleci Menezes Moreira and Silvana Soriano Frassetto and Renato Dutra Dias and Jo{\~a}o J. F. Sarkis}, journal={General pharmacology}, year={1997}, volume={28 5}, pages={761-6} }