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Trends Neurosci. 2007 May;30(5):194-202. Epub 2007 Apr 3.

Dopamine neuron systems in the brain: an update.

Author information

1
Neurobiology Unit, Wallenberg Neuroscience Center, Department of Experimental Medical Science, Lund University, Lund SE-22184, Sweden. anders.bjorklund@med.lu.se

Abstract

The basic organization of the catecholamine-containing neuronal systems and their axonal projections in the brain was initially worked out using classical histofluorescence techniques during the 1960s and 1970s. The introduction of more versatile immunohistochemical methods, along with a range of highly sensitive tract-tracing techniques, has provided a progressively more detailed picture, making the dopamine system one of the best known, and most completely mapped, neurotransmitter systems in the brain. The purpose of the present review is to summarize our current knowledge of the diversity and neurochemical features of the nine dopamine-containing neuronal cell groups in the mammalian brain, their distinctive cellular properties, and their ability to regulate their dopaminergic transmitter machinery in response to altered functional demands and aging.

PMID:
17408759
DOI:
10.1016/j.tins.2007.03.006
[Indexed for MEDLINE]

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