Nootropic agent, improves learning and memory, and prevents impairment of cognitive functions. Its mechanism of action in not yet known, but it is suggested to modulate glutamatergic and cholinergic neurotransmission. Protein kinase C may be involved.
Previous studies demonstrated that DBA/2J (DBA) mice performed poorly while C57BL/6J (C57) mice performed normally on a number of complex learning and memory tasks. Chronic oxiracetam treatment dramatically improved the performance of DBA mice but not that of C57 mice
European journal of pharmacology, 272(2-3), 203-209 (1995-01-16)
Oxiracetam, aniracetam and D-cycloserine, three putative cognition enhancers, were examined in a functional assay for NMDA receptors. Rat hippocampal slices or synaptosomes were labeled with [3H]noradrenaline and exposed to NMDA or glutamate in superfusion. NMDA (100 microM) elicited a remarkable
Yao xue xue bao = Acta pharmaceutica Sinica, 29(8), 570-575 (1994-01-01)
A method was developed for the determination of oxiracetam concentration in serum and urine by HPLC. Acyclovir was used as an internal standard. The analytical column was a stainless-steel column (30 mm x 4.6 mm ID) filled with 10 microns
The memory-enhancing effects of a single treatment with the GABAB antagonist CGP 36,742 (10 mg/kg) or the nootropic agent oxiracetam (100 mg/kg) given immediately after a learning experience ('post-trial') remain detectable for at least 4 months thereafter. This indicates that
The effects of the nootropic drug oxiracetam on the K(+)-evoked overflow of [3H]D-aspartic acid ([3H]D-ASP), [3H]acetylcholine ([3H]ACh), [3H] gamma-aminobutyric acid ([3H]GABA), [3H]noradrenaline ([3H]NA) and [3H]5-hydroxytryptamine ([3H]5-HT) have been studied in superfused rat hippocampal slices. The overflow of [3H]D-ASP was enhanced
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