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- W2003999735 abstract "1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) administered in goldfish for 3 consecutive days (10 mg kg-1 i.p.), caused cerebellar disappearance of dopamine-hydroxylase (DBH) immunoreactive fibres, whereas the noradrenergic cell bodies located in the medulla oblongata appeared intact. This effect was coupled with marked decreases in cerebellar noradrenaline (NA) and dopamine (DA) levels. An increase of immunostaining for glial fibrillary acidic protein (GFAP) was also observed. In the cerebellum of MPTP-treated fish, the contents of glutamate and GABA were significantly reduced, whereas glutamine was strongly increased. These modifications were concomitant with a significant increase of glutamine synthetase (GS) activity, whereas glutamic acid decarboxylase (GAD) activity was decreased. No changes in choline acetyltransferase (ChAT) and ornithine decarboxylase (ODC) activities were observed. High affinity uptake of glutamate and GABA was strongly reduced. Pretreatment of fish with either the monoamine oxidase inhibitor pargyline or the catecholamine (CA) uptake blocker mazindol largely prevented such modifications. The NMDA-sensitive glutamate receptor uncompetitive antagonist, dizocilpine maleate (MK-801), failed to protect against MPTP-induced damage. In conclusion, the neurotoxic effects of MPTP in goldfish cerebellum appear to be not specific against catecholaminergic terminals and could promote astrocytic reactions." @default.
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- W2003999735 title "Effect of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine in goldfish cerebellum: neurochemical and immunocytochemical analysis" @default.
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- W2003999735 doi "https://doi.org/10.1016/s0006-8993(97)01272-9" @default.
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