The teleostean (zebrafish) dopaminergic system ascending to the subpallium (striatum) is located in the basal diencephalon (posterior tuberculum)

The teleostean (zebrafish) dopaminergic system ascending to the subpallium (striatum) is located... Tyrosine hydroxylase immunohistochemistry is used to demonstrate catecholaminergic neuronal populations in the fore- and midbrain of adult zebrafish ( Danio rerio ). While no catecholaminergic neurons are found in the midbrain, various immunoreactive populations were found in the diencephalon (hypothalamus, posterior tuberculum, ventral thalamus, pretectum) and telencephalon (preoptic region, subpallium, olfactory bulb). The posterior tubercular catecholaminergic cells include three cytological types (small round, large pear-shaped, and bipolar liquor-contacting cells). Furthermore, the retrograde neuronal tracers DiI or biocytin were applied to demonstrate ascending projections to the basal telencephalon (incl. the striatum). A double-label approach was used — together with tyrosine hydroxylase immunohistochemistry — in order to visualize neurons positive for tyrosine hydroxylase and a retrograde tracer. Double-labeled cells were identified in two locations in the posterior tuberculum (i.e, small round neurons in the periventricular nucleus of the posterior tuberculum and large pear-shaped cells adjacent to it). They are interpreted as the teleostean dopaminergic system ascending to the striatum, since previous work (16) established that no noradrenergic neurons exist in the forebrain of the adult zebrafish. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Brain Research Elsevier

The teleostean (zebrafish) dopaminergic system ascending to the subpallium (striatum) is located in the basal diencephalon (posterior tuberculum)

Brain Research, Volume 889 (1) – Jan 19, 2001

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Publisher
Elsevier
Copyright
Copyright © 2001 Elsevier Science B.V.
ISSN
0006-8993
DOI
10.1016/S0006-8993(00)03174-7
Publisher site
See Article on Publisher Site

Abstract

Tyrosine hydroxylase immunohistochemistry is used to demonstrate catecholaminergic neuronal populations in the fore- and midbrain of adult zebrafish ( Danio rerio ). While no catecholaminergic neurons are found in the midbrain, various immunoreactive populations were found in the diencephalon (hypothalamus, posterior tuberculum, ventral thalamus, pretectum) and telencephalon (preoptic region, subpallium, olfactory bulb). The posterior tubercular catecholaminergic cells include three cytological types (small round, large pear-shaped, and bipolar liquor-contacting cells). Furthermore, the retrograde neuronal tracers DiI or biocytin were applied to demonstrate ascending projections to the basal telencephalon (incl. the striatum). A double-label approach was used — together with tyrosine hydroxylase immunohistochemistry — in order to visualize neurons positive for tyrosine hydroxylase and a retrograde tracer. Double-labeled cells were identified in two locations in the posterior tuberculum (i.e, small round neurons in the periventricular nucleus of the posterior tuberculum and large pear-shaped cells adjacent to it). They are interpreted as the teleostean dopaminergic system ascending to the striatum, since previous work (16) established that no noradrenergic neurons exist in the forebrain of the adult zebrafish.

Journal

Brain ResearchElsevier

Published: Jan 19, 2001

References

  • Effect of MPTP on dopaminergic neurons in the goldfish brain: a light and electron microscope study
    Goping, G.; Pollard, H.B.; Adeyemo, O.M.; Kuijpers, G.A.J.
  • Basal ganglia organization in amphibians: evidence for a common pattern in tetrapods
    Marı́n, O.; Smeets, W.J.A.J.; Gonzalez, A.
  • The central nervous system
    Wullimann, M.F.
  • Possible multiple evolution of indirect telencephalo-cerebellar pathways in teleosts: studies in Carassius auratus and Pantodon buchholzi
    Wullimann, M.F.; Meyer, D.L.

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