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Dadun > Depósito Académico > CIMA (Centro de Investigación Médica Aplicada) > Área de Neurociencias > Neuroanatomía ganglios basales > DA - CIMA - Neurociencias - Neuroanatomía ganglios basales - Artículos de Revista >

Re-examination of the thalamostriatal projections in the rat with retrograde tracers
Authors: Erro, E. (E.)
Lanciego, J. (J.L.)
Giménez-Amaya, J.M. (José M.)
Keywords: Basal ganglia
Striatum
Thalamus
Fluoro-Gold
Cholera toxin beta-subunit
Issue Date: 2002
Publisher: Elsevier
Publisher version: http://www.sciencedirect.com/science/article/pii/S0168010201003029
ISSN: 1872-8111
Citation: Erro ME, Lanciego JL, Gimenez-Amaya JM. Re-examination of the thalamostriatal projections in the rat with retrograde tracers. Neurosci Res 2002 Jan;42(1):45-55.
Abstract
Topographical arrangements of thalamostriatal projection neurons was examined in the rat by the retrograde tract-tracing method. After injecting Fluoro-Gold (FG) and/or cholera toxin beta-subunit (CTB) in different regions of the caudate-putamen (CPu), distribution of retrogradely labeled neurons was observed in the thalamus. The main findings were as follows: (1) Retrogradely labeled neurons were seen in the midline-intralaminar thalamic nuclei in all rats examined in the present study. Neurons in the ventral lateral and posterior thalamic nuclear groups were also labeled in the rats which were injected with the tracer into the dorsal part of Cpu, but not in the rats which were injected with the tracer into the nucleus accumbens (Acb) and its adjavent regions in the ventromedial part of the Cpu. (2) Topographical organization was observed in the projections from the midline-intralaminar thalamic nuclei to the CPu. After the tracer injection into the dorsal part of the CPu or the ventral part of the CPu (including the Acb), labeled neurons in the midline-intralaminar thalamic nuclei were distributed predominantly in the lateral part of the intralaminar nuclei or the midline nuclei, respectively. On the other hand, after the tracer injection into the medial or the lateral part of the CPu, labeled neurons in the midline-intralaminar nuclei were distributed mainly in the dorsal or the ventral part of these nuclei, respectively. (3) Topographical organization was also observed in the thalamostriatal projections from the ventral and Pos. After the tracer injection into the rostral part of the CPu, labeled neurons were distributed mainly in the rostral part of the ventral nuclear group. On the other hand, after the tracer injection into the caudal part of the CPu, labeled neurons were distributed mainly in the caudal part of the ventral nuclear group, as well as in the posterior nuclear group.
Permanent link: http://hdl.handle.net/10171/20118
Appears in Collections:DA - Ciencias - HAP - Artículos de revista
DA - CIMA - Neurociencias - Neuroanatomía ganglios basales - Artículos de Revista

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