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Title: Catecholamine uptake sites in mouse brain: distribution determined by quantitative [3H]mazindol autoradiography.
Austin Authors: Donnan, Geoffrey A ;Kaczmarczyk, S J;McKenzie, J S;Kalnins, Renate M;Chilco, P J;Mendelsohn, Frederick AO
Affiliation: Department of Neurology, Austin Hospital, Melbourne, Australia
Issue Date: 11-Dec-1989
Publication information: Brain Research; 504(1): 64-71
Abstract: Because of the importance of the mouse brain catecholamine system in the study of the neurotoxin 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) and because little information is available concerning the chemical neuroanatomy of the mouse, catecholamine uptake sites were mapped in C57 black mouse brain using [3H]mazindol autoradiography. Displacement studies with known dopamine (DA) and noradrenaline (NA) uptake blockers showed that binding in the striatum was entirely to DA uptake sites, while binding in the locus coeruleus was to NA uptake sites only. By using the selective noradrenergic uptake blocker desmethylimipramine (DMI), a complete map of both DA and NA uptake sites was generated. The mesostriatal DA system was the most clearly labelled and uptake sites were seen better in striatal terminals than the substantia nigra. Within the noradrenergic system, highest binding levels were seen over the locus coeruleus, although it was unclear whether these uptake sites were on cell bodies or terminals from the lateral tegmental noradrenergic system. These maps of the catecholamine uptake system in mouse brain provide a baseline for study of newly discovered neurotoxins and ageing processes.
Gov't Doc #: 2598017
Type: Journal Article
Subjects: Animals
Binding, Competitive
Corpus Striatum.metabolism
Locus Coeruleus.metabolism
Mice, Inbred C57BL
Receptors, Adrenergic.drug effects.metabolism
Receptors, Dopamine.drug effects.metabolism
Appears in Collections:Journal articles

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