M. Pietraszek

Publications42
h-index20
Citations861
Highly Influential Citations55
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mGluR5, but not mGluR1, antagonist modifies MK-801-induced locomotor activity and deficit of prepulse inhibition
Hypoglutamatergic theory of schizophrenia is substantiated by observation that high affinity uncompetitive antagonists of NMDA receptors such as PCP can induce psychotic symptoms in humans. Recently,… Expand
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Comparison of the mGlu(5) receptor positive allosteric modulator ADX47273 and the mGlu(2/3) receptor agonist LY354740 in tests for antipsychotic-like activity.
Recently, it has been proposed that activation of either metabotropic glutamate receptors e.g. mGlu(5) by positive allosteric modulators or stimulation of mGluR(2/3) receptors by agonists may offer… Expand
  • 46
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Anxiolytic-like effects of mGlu1 and mGlu5 receptor antagonists in rats.
The purpose of the present study was to compare anxiolytic activity of the metabotropic glutamate receptor 1 (mGlu) antagonist, EMQMCM… Expand
  • 97
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Effects of mGlu1 and mGlu5 receptor antagonists on negatively reinforced learning
Effects on aversive learning of the novel highly selective mGlu5 receptor antagonist [(2-methyl-1,3-thiazol-4-yl)ethynyl]pyridine (MTEP) and mGlu1 receptor antagonist… Expand
  • 53
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The role of glutamate receptors in antipsychotic drug action
Summary. It has recently been postulated that disturbances in glutamatergic neurotransmission may contribute to the pathophysiology of schizophrenia. Therefore the aim of the present study was to… Expand
  • 42
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Investigation on tolerance development to subchronic blockade of mGluR5 in models of learning, anxiety, and levodopa-induced dyskinesia in rats
In the present study, we evaluated the effects of subchronic blockade of mGluR5 by 3-[(2-methyl-1,3-thiazol-4-yl)ethynyl]pyridine (MTEP) on learning, anxiety and levodopa-induced dyskinesia in rats.… Expand
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Opposite influence of MPEP, an mGluR5 antagonist, on the locomotor hyperactivity induced by PCP and amphetamine.
Potential antipsychotic effects of a selective non-competitive antagonist of metabotropic glutamate receptor 5 (mGluR5), 2-methyl-6-phenylethynylpyridine (MPEP), was examined in two commonly used… Expand
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An influence of ligands of metabotropic glutamate receptor subtypes on parkinsonian-like symptoms and the striatopallidal pathway in rats
Summary.Several data indicate that inhibition of glutamatergic transmission may be important to alleviate of parkinsonian symptoms. Therefore, the aim of the present paper is to review recent studies… Expand
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Significance of dysfunctional glutamatergic transmission for the development of psychotic symptoms.
  • M. Pietraszek
  • Psychology, Medicine
  • Polish journal of pharmacology
  • 1 March 2003
It has been postulated that disturbances in glutamatergic transmission may contribute to the pathophysiology of schizophrenia. This view is based on several findings: (1) the noncompetitive NMDA… Expand
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Functional interaction of NMDA and group I metabotropic glutamate receptors in negatively reinforced learning in rats
RationaleThe role of glutamatergic system in learning and memory has been extensively studied, and especially N-methyl-d-aspartate (NMDA) receptors have been implicated in different learning and… Expand
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