ArticleCNS neuroscience & therapeutics2023
Cortical dopamine D5 receptors regulate neuronal circuit oscillatory activity and memory in rats.
Article in CNS neuroscience & therapeutics, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Transcriptomic Analysis of the Human Habenula in Schizophrenia.The American journal of psychiatry · 2025Article
- Amphetamine increases timing variability by degrading prefrontal temporal encoding.Neuropharmacology · 2025Article
- Nrf2 activation rescues stress-induced depression-like behaviour and inflammatory responses in male but not female rats.Biology of sex differences · 2024Article
- Cortical dopamine D5 receptors regulate neuronal circuit oscillatory activity and memory in rats.CNS neuroscience & therapeutics · 2023Article
- A Simple, Lightweight, and Low-Cost Customizable Multielectrode Array for Local Field Potential Recordings.eNeuro · 2023Article
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
introductionThe dopamine D5 receptor (D5R) shows high expression in cortical regions, yet the role of the receptor in learning and memory remains poorly understood. This study evaluated the impact of prefrontal cortical (PFC) D5R knockdown in rats on learning and memory and assessed the role of the D5R in the regulation of neuronal oscillatory activity and glycogen synthase kinase-3 (GSK-3β), processes integral to cognitive function. MATERIALS AND
methodsUsing an adeno-associated viral (AAV) vector, male rats were infused with shRNA to the D5R bilaterally into the PFC. Local field potential recordings were taken from freely moving animals and spectral power and coherence were evaluated in, and between, the PFC, orbitofrontal cortex (OFC), hippocampus (HIP), and thalamus. Animals were then assessed in object recognition, object location, and object in place tasks. The activity of PFC GSK-3β, a downstream effector of the D5R, was evaluated.
resultsAAV-mediated knockdown of the D5R in the PFC induced learning and memory deficits. These changes were accompanied by elevations in PFC, OFC, and HIP theta spectral power and PFC-OFC coherence, reduced PFC-thalamus gamma coherence, and increased PFC GSK-3β activity.
conclusionThis work demonstrates a role for PFC D5Rs in the regulation of neuronal oscillatory activity and learning and memory. As elevated GSK-3β activity has been implicated in numerous disorders of cognitive dysfunction, this work also highlights the potential of the D5R as a novel therapeutic target via suppression of GSK-3β.
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