Co-expression of p75(NTR)- and calbindin-immunoreactivity in cholinergic neurons of the raccoon basal forebrain

Liisa Tremere, Gert Brückner, Kurt Brauer, Douglas D. Rasmusson, Reinhild Poethke, Wolfgang Härtig

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10 Citations (Scopus)

Abstract

The cholinergic system of the basal forebrain is involved in the modulation of sensory information. This has previously been investigated in the raccoon, an animal especially interesting because of its highly developed somatosensory cortex. The present study focused on the co-expression of the low-affinity neurotrophin receptor p75(NTR) and calbindin in cholinergic neurons of the raccoon basal forebrain and neostriatum. Carbocyanine immunofluorescence double labelling revealed the co-localization of choline acetyltransferase and p75(NTR) as well as calbindin in a large portion of basal forebrain neurons, but not in the neostriatum. In contrast, immunolabelling of two other calcium-binding proteins, parvalbumin and calretinin, was found exclusively in non-cholinergic neurons.

Original languageEnglish
Pages (from-to)351-356
Number of pages6
JournalBrain Research
Volume797
Issue number2
DOIs
Publication statusPublished - Jun 29 1998

Bibliographical note

Funding Information:
We gratefully thank Ute Bauer (Leipzig) for excellent technical assistance and Dr. Alan Fine (Halifax) for providing the monoclonal antibody ME 20.4 directed against p75 NTR . This research was supported by the Medical Research Council of Canada.

ASJC Scopus Subject Areas

  • General Neuroscience
  • Molecular Biology
  • Clinical Neurology
  • Developmental Biology

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Tremere, L., Brückner, G., Brauer, K., Rasmusson, D. D., Poethke, R., & Härtig, W. (1998). Co-expression of p75(NTR)- and calbindin-immunoreactivity in cholinergic neurons of the raccoon basal forebrain. Brain Research, 797(2), 351-356. https://doi.org/10.1016/S0006-8993(98)00436-3