Muscarinic and nicotinic cholinergic binding sites in alzheimer's disease cerebral cortex

Kenneth J. Kellar, Peter J. Whitehouse, Andrea M. Martino-Barrows, Kendall Marcus, Donald L. Price

Research output: Contribution to journalArticle

Abstract

The total population of muscarinic receptors and a subpopulation of muscarinic receptors with high affinity for agonists were measured with [3H]quinuclidinyl benzilate and [3H]acetylcholine, respectively, in homogenates of cerebral cortex from control and Alzheimer's disease brains. No significant differences between control and Alzheimer's diseased cortex were found in either the total population of receptors or the subpopulation with high affinity for agonists in either the frontal or temporal poles. Nicotinic cholinergic receptors labeled by [3H]acetylcholine were measured in homogenates and by autoradiography in the same brain areas. In contrast to muscarinic sites, binding to nicotinic sites was markedly decreased in Alzheimer's disease cortex. Autoradiography of [3H]acetylcholine binding to nicotinic sites indicated that in control cortex these sites are more concentrated in laminae IV-VI than in the superficial laminae, and that in Alzheimer's disease there is loss of these sites in all cortical laminae.

Original languageEnglish (US)
Pages (from-to)62-68
Number of pages7
JournalBrain Research
Volume436
Issue number1
DOIs
StatePublished - Dec 8 1987

Fingerprint

Cerebral Cortex
Cholinergic Agents
Alzheimer Disease
Binding Sites
Acetylcholine
Muscarinic Receptors
Autoradiography
Quinuclidinyl Benzilate
Brain
Nicotinic Receptors
Cholinergic Receptors
Population

Keywords

  • Agonist binding
  • Alzheimer's disease
  • Muscarinic receptor
  • Nicotinic receptor
  • [H]Acetylcholine binding

ASJC Scopus subject areas

  • Developmental Biology
  • Molecular Biology
  • Clinical Neurology
  • Neuroscience(all)

Cite this

Kellar, K. J., Whitehouse, P. J., Martino-Barrows, A. M., Marcus, K., & Price, D. L. (1987). Muscarinic and nicotinic cholinergic binding sites in alzheimer's disease cerebral cortex. Brain Research, 436(1), 62-68. https://doi.org/10.1016/0006-8993(87)91556-3

Muscarinic and nicotinic cholinergic binding sites in alzheimer's disease cerebral cortex. / Kellar, Kenneth J.; Whitehouse, Peter J.; Martino-Barrows, Andrea M.; Marcus, Kendall; Price, Donald L.

In: Brain Research, Vol. 436, No. 1, 08.12.1987, p. 62-68.

Research output: Contribution to journalArticle

Kellar, KJ, Whitehouse, PJ, Martino-Barrows, AM, Marcus, K & Price, DL 1987, 'Muscarinic and nicotinic cholinergic binding sites in alzheimer's disease cerebral cortex', Brain Research, vol. 436, no. 1, pp. 62-68. https://doi.org/10.1016/0006-8993(87)91556-3
Kellar, Kenneth J. ; Whitehouse, Peter J. ; Martino-Barrows, Andrea M. ; Marcus, Kendall ; Price, Donald L. / Muscarinic and nicotinic cholinergic binding sites in alzheimer's disease cerebral cortex. In: Brain Research. 1987 ; Vol. 436, No. 1. pp. 62-68.
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