Calbindin-containing non-specific thalamocortical projecting neurons in the rat

Immunoreactivity for calcium binding proteins was used to demonstrate the neurochemical profiles of non-specific thalamocortical neurons located in the ventromedial nucleus, the centrolateral nucleus, and the nucleus reuniens that project to the somatosensory cortex in the adult rat. Cortical inject...

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Bibliographic Details
Published in:Brain research 1996-03, Vol.711 (1), p.50-55
Main Authors: Lin, Rick C.S., Nicolelis, M.A.L., Zhou, H.-L., Chapin, J.K.
Format: Article
Language:English
Subjects:
Animals
Biological and medical sciences
Calbindin
Calbindins
Calcium binding protein
Central nervous system
Central neurotransmission. Neuromudulation. Pathways and receptors
Cerebral Cortex - anatomy & histology
Female
Fundamental and applied biological sciences. Psychology
Immunohistochemistry
Male
Neural Pathways - anatomy & histology
Nociception
Parvalbumin
Rats
S100 Calcium Binding Protein G - chemistry
Somatosensory system
Thalamocortical pathway
Thalamus - anatomy & histology
Vertebrates: nervous system and sense organs
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Summary:Immunoreactivity for calcium binding proteins was used to demonstrate the neurochemical profiles of non-specific thalamocortical neurons located in the ventromedial nucleus, the centrolateral nucleus, and the nucleus reuniens that project to the somatosensory cortex in the adult rat. Cortical injections of fluorescent tracers combined with immunohistochemistry for calcium binding proteins revealed that retrogradely labeled neurons in these three thalamic nuclei are immunoreactive for calbindin. The present results suggest the presence of a chemically distinct non-specific thalamocortical system which terminates in the neocortex.
ISSN:0006-8993
1872-6240
DOI:10.1016/0006-8993(95)01381-4