Cited by 98Receptor Mechanisms and SignalingNeuroscience and Neuropharmacology ResearchNicotinic Acetylcholine Receptors Study

M1 Muscarinic Acetylcholine Receptors Activate Extracellular Signal-Regulated Kinase in CA1 Pyramidal Neurons in Mouse Hippocampal Slices

Berkeley, Jennifer L., Gomeza, Jesus, Wess, Jurgen, Hamilton, Susan E., Nathanson, Neil M., Levey, Allan I.·2001·Molecular and Cellular Neuroscience

Abstract

Activation of extracellular signal-regulated kinases (ERK) is crucial for many neural functions, including learning, memory, and synaptic plasticity. As muscarinic acetylcholine receptors (mAChR) modulate many of the same higher brain functions as ERK, we examined mAChR-mediated ERK activation in mouse hippocampal slices. The cholinergic agonist carbachol caused an atropine-sensitive ERK activation in the dendrites and somata CA1 pyramidal neurons. To determine the responsible mAChR subtype, we combined pharmacologic and genetic approaches. Pretreatment with M1 antagonists inhibited ERK activation. Furthermore, mAChR-induced ERK activation was absent in slices from M1 knockout mice. ERK activation was normal in slices derived from other mAChR subtype knockouts (M2, M3, and M4), although these other subtypes are expressed in many of the same neurons. Thus, we demonstrate divergent functions for the different mAChR subtypes. We conclude that M1 is responsible for mAChR-mediated ERK activation, providing a mechanism by which M1 may modulate learning and memory.

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Crossref · 10.1006/mcne.2001.1042

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Authors
Berkeley, J. L., Gomeza, J., Wess, J., Hamilton, S. E., Nathanson, N. M., & Levey, A. I.
Affiliations
  • Emory University (US)
  • University of Washington (US)
Corresponding author
Levey, Allan I.
Venue
Molecular and Cellular Neuroscience
Publisher
Elsevier BV
Published
2001-11
Volume
18
Issue
5
Pages
512-524
ISSN
1044-7431 (ISSN-L)
OpenAlex
W2049272814
Cited by
98
References
53
Citations by year
2026: 2 · 2025: 2 · 2024: 1 · 2023: 1 · 2022: 2 · 2021: 2 · 2020: 1 · 2019: 1 · 2018: 5 · 2017: 3 · 2016: 7 · 2015: 3 · 2014: 3 · 2013: 3 · 2012: 4
FWCI
1.87
Type
journal article
Language
en
Open access
closed
Locations
  • Molecular and Cellular Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Pharmaceutical Research and Manufacturers of America Foundation
  • National Institute of Neurological Disorders and Stroke (R01NS30454, R01NS26920, R01NS026920, R01NS030454)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Receptor Mechanisms and Signaling
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Nicotinic Acetylcholine Receptors Study
Keywords
M1 muscarinic receptor, extracellular signal-regulated kinase, ERK activation, CA1 pyramidal neurons, hippocampus, carbachol, cholinergic neurotransmission, learning and memory, synaptic plasticity
MeSH terms
Animals, Atropine, Carbachol, Cell Nucleus, Dendrites, Dose-Response Relationship, Drug, Hippocampus, Male, Mecamylamine, Receptors, Muscarinic, Protein Serine-Threonine Kinases, Pyramidal Cells, Mice, Knockout, Cholinergic Agonists, Muscarinic Antagonists, Nicotinic Antagonists, Mitogen-Activated Protein Kinase 1, Mitogen-Activated Protein Kinases, Mitogen-Activated Protein Kinase Kinases, Receptor, Muscarinic M1, Mitogen-Activated Protein Kinase 3, MAP Kinase Kinase 1, Mice

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