Jozsef Barkoczy

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Midbrain slices containing the dorsal and medial raphe nuclei were prepared from rat brain, loaded with [3H]serotonin ([3H]5-HT), superfused, and the electrically induced efflux of radioactivity was determined. The nonselective 5-HT receptor agonist 5-carboxamido-tryptamine (5-CT; 0.001 to 1 microM) inhibited the electrically stimulated [3H]5-HT overflow(More)
AMPA receptors are fast ligand-gated members of glutamate receptors in neuronal and many types of non-neuronal cells. The heterotetramer complexes are assembled from four subunits (GluR1-4) in region-, development- and function-selective patterns. Each subunit contains three extracellular domains (a large amino terminal domain, an agonist-binding domain and(More)
Alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) receptor antagonists have been shown to have neuroprotective effects in stroke models and although clinical trials with some agents are still ongoing, published results have not been favourable. We therefore wished to compare the effects of GYKI 52466, GYKI 53405, EGIS-8332 and EGIS-10608,(More)
The most dominant hypotheses for the pathogenesis of schizophrenia have focused primarily upon hyperfunctional dopaminergic and hypofunctional glutamatergic neurotransmission in the central nervous system. The therapeutic efficacy of all atypical antipsychotics is explained in part by antagonism of the dopaminergic neurotransmission, mainly by blockade of(More)
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