PreprintCited by 184Memory and Neural MechanismsNeurotransmitter Receptor Influence on BehaviorNeuroscience and Neuropharmacology Research

Dopamine D1 receptors regulate protein synthesis-dependent long-term recognition memory via extracellular signal-regulated kinase 1/2 in the prefrontal cortex

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Nagai, Taku, Takuma, Kazuhiro, Kamei, Hiroyuki, Ito, Yukio, Nakamichi, Noritaka, Ibi, Daisuke, Nakanishi, Yutaka, Murai, Masaaki +3 more·2007·Learning & Memory

Abstract

Several lines of evidence suggest that extracellular signal-regulated kinase1/2 (ERK1/2) and dopaminergic system is involved in learning and memory. However, it remains to be determined if the dopaminergic system and ERK1/2 pathway contribute to cognitive function in the prefrontal cortex (PFC). The amount of phosphorylated ERK1/2 was increased in the PFC immediately after exposure to novel objects in the training session of the novel object recognition test. An inhibitor of ERK kinase impaired long-term recognition memory 24 h after the training although short-term memory tested 1 h after the training was not affected by the treatment. The dopamine D1 receptor agonist increased ERK1/2 phosphorylation in the PFC in vivo as well as in cortical neurons in vitro. Microinjection of the dopamine D1 receptor antagonist into the PFC impaired long-term recognition memory whereas the D2 receptor antagonist had no effect. Immunohistochemistry revealed that exposure to novel objects resulted in an increase in c-Fos expression in the PFC. Microinjection of the protein synthesis inhibitor anisomycin into the PFC impaired the long-term recognition memory. These results suggest that the activation of ERK1/2 following the stimulation of dopamine D1 receptors is necessary for the protein synthesis-dependent long-term retention of recognition memory in the PFC.

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Authors
Nagai, T., Takuma, K., Kamei, H., Ito, Y., Nakamichi, N., Ibi, D., Nakanishi, Y., Murai, M., Mizoguchi, H., Nabeshima, T., & Yamada, K.
Affiliations
  • Kanazawa University (JP)
  • Nagoya University (JP)
Venue
Learning & Memory
Published
2007-03
Volume
14
Issue
3
Pages
117-125
ISSN
  • 1072-0502 (ISSN-L)
  • 1549-5485
OpenAlex
W1991942710
Cited by
184
References
79
Citations by year
2026: 4 · 2025: 3 · 2024: 6 · 2023: 6 · 2022: 8 · 2021: 7 · 2020: 9 · 2019: 7 · 2018: 13 · 2017: 11 · 2016: 2 · 2015: 18 · 2014: 9 · 2013: 12 · 2012: 8
Type
posted content
Language
en
Open access
Locations
  • Learning & Memory (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Smoking Research Foundation
  • Japan Society for the Promotion of Science (17790056)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
dopamine D1 receptor, ERK1/ERK2, novel object recognition, prefrontal cortex, protein synthesis, c-fos, anisomycin, dopaminergic system, memory consolidation
MeSH terms
Animals, Enzyme Activation, Male, Mice, Inbred ICR, Nerve Tissue Proteins, Phosphorylation, Time Factors, Proto-Oncogene Proteins c-fos, Prefrontal Cortex, Receptors, Dopamine D1, Mitogen-Activated Protein Kinase 1, Recognition, Psychology, Mitogen-Activated Protein Kinase 3, Mice

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