Inhibition by dizocilpine (MK-801) of striatal dopamine release induced by MPTP and MPP+: possible action at the dopamine transporter
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Mechanism of action of methylmercury on in vivo striatal dopamine release. Possible involvement of dopamine transporter.
Methylmercury (MeHg) produces significant increases in the spontaneous output of dopamine (DA) from rat striatal tissue. The mechanism through MeHg produces such increase in the extracellular DA levels could be due to increased DA release or decreased DA uptake into DA terminals. One of the aims of this study was to investigate the role of DA transporter (DAT) in the MeHg-induced DA release. Co...
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Norepinephrine (NE) depletion caused by damage to locus ceruleus neurons was shown to worsen experimental Parkinsonism induced by the neurotoxin 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) in monkeys and in rodents. However, it is not clear whether the lesion to the NE system enhances neurotoxicity in the nigrostriatal dopaminergic (DA) pathway and/or impairs the recovery of DA neurons ...
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with urease. A third minor metabolite was present in urine collected after intraperitoneal administration but remains unidentified. The quantitative distribution of pterin-dcarboxylic acid and urea in the 0-24 h urine samples is shown in Table 1. Fukushima & Nixon (1980) reported the degradation of [2-14C]pterin-6-carboxylic acid to 14C02 by the gut microorganisms of the rat. It is possible tha...
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Ulcerative colitis is chronic and recurrent disease of the gastrointestinal tract with uncertain etiology and incomplete treatment options. N-methyl-d-aspartate (NMDA) receptor suppression has shown anti-inflammatory effects in vitro and in vivo. The aim of present study was to evaluate the role of dizocilpine (MK-801), a noncompetitive NMDA receptor antagonist, on TNBS (trinitrobenzene sulfoni...
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Ulcerative colitis is chronic and recurrent disease of the gastrointestinal tract with uncertain etiology and incomplete treatment options. N-methyl-d-aspartate (NMDA) receptor suppression has shown anti-inflammatory effects in vitro and in vivo. The aim of present study was to evaluate the role of dizocilpine (MK-801), a noncompetitive NMDA receptor antagonist, on TNBS (trinitrobenzene sulfoni...
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ژورنال
عنوان ژورنال: British Journal of Pharmacology
سال: 1995
ISSN: 0007-1188
DOI: 10.1111/j.1476-5381.1995.tb13229.x