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Central cholinergic dysfunction contributes to acute spatial memory deficits produced by ethanol administration. Donepezil and rivastigmine elevate acetylcholine levels in the synaptic cleft through(More)
The aim of the study was to evaluate whether the newly synthesized analog of enkephalin, cyclo[N(epsilon),N(beta)-carbonyl-D-Lys(2), Dap(5)] enkephalinamide (cUENK6), a highly potent mu- (guinea pig(More)
Many data indicate that endogenous opioid system is involved in amphetamine-induced behavior. Neuropeptide FF (NPFF) possesses opioid-modulating properties. The aim of the present study was to(More)
Preclinical data indicated that the metabotropic glutamate receptors 5 (mGlu5) and glutamate receptors 2/3 (mGlu2/3) are involved in modulating morphine antinociception. However, little is known(More)
The aim of the present study was to determine whether a new cyclic analog of enkephalin, cyclo[N(ε),N(β)-carbonyl-d-Lys(2),Dap(5)] enkephalinamide (cUENK6), a preferential μ-(MORs), and, to a lower(More)