Cited by 59Memory and Neural MechanismsNeuroscience and Neuropharmacology ResearchNeurotransmitter Receptor Influence on Behavior

Dopamine receptor activity participates in hippocampal synaptic plasticity associated with novel object recognition

Open access
Yang, Kechun, Broussard, John I., Levine, Amber T., Jenson, Daniel, Arenkiel, Benjamin R., Dani, John A.·2017·European Journal of Neuroscience

Abstract

Physiological and behavioral evidence supports that dopamine (DA) receptor signaling influences hippocampal function. While several recent studies examined how DA influences CA1 plasticity and learning, there are fewer studies investigating the influence of DA signaling to the dentate gyrus. The dentate gyrus receives convergent cortical input through the perforant path fiber tracts and has been conceptualized to detect novelty in spatial memory tasks. To test whether DA-receptor activity influences novelty-detection, we used a novel object recognition (NOR) task where mice remember previously presented objects as an indication of learning. Although DA innervation arises from other sources and the main DA signaling may be from those sources, our molecular approaches verified that midbrain dopaminergic fibers also sparsely innervate the dentate gyrus. During the NOR task, wild-type mice spent significantly more time investigating novel objects rather than previously observed objects. Dentate granule cells in slices cut from those mice showed an increased AMPA/NMDA-receptor current ratio indicative of potentiated synaptic transmission. Post-training injection of a D1-like receptor antagonist not only effectively blocked the preference for the novel objects, but also prevented the increased AMPA/NMDA ratio. Consistent with that finding, neither NOR learning nor the increase in the AMPA/NMDA ratio were observed in DA-receptor KO mice under the same experimental conditions. The results indicate that DA-receptor signaling contributes to the successful completion of the NOR task and to the associated synaptic plasticity of the dentate gyrus that likely contributes to the learning.

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Integrity signals

Registry

Crossref · 10.1111/ejn.13406

Cites

58 of 58 references verified0 citation errors · 0 not checkable

Statistics

Claims the paper makes

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Claims other papers make about this one

Each is checked against this paper’s own text: does it say what the citing paper says it does?

Self-check

Percentages, sums and reported differences re-computed from the paper’s own numbers.

The self-check needs the paper’s full text.

Cites

Flagged first, then by citations

Cited by

Sorted by citations

Authors
Yang, K., Broussard, J. I., Levine, A. T., Jenson, D., Arenkiel, B. R., & Dani, J. A.
Affiliations
  • University of Pennsylvania (US)
  • Baylor College of Medicine (US)
Corresponding author
Dani, John A.
Venue
European Journal of Neuroscience
Publisher
Wiley
Published
2016-10
Volume
45
Issue
1
Pages
138-146
ISSN
  • 0953-816X (ISSN-L)
  • 1460-9568
OpenAlex
W2522831505
Cited by
58
References
58
Citations by year
2026: 3 · 2025: 5 · 2024: 8 · 2023: 10 · 2022: 9 · 2021: 7 · 2020: 3 · 2019: 3 · 2018: 7 · 2017: 3
FWCI
2.75
Type
journal article
Language
en
Open access
Locations
  • European Journal of Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institutes of Health (NS21229, DA09411)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
Keywords
dopamine receptors, dentate gyrus, novel object recognition, synaptic plasticity, D1-like receptors, AMPA/NMDA ratio, granule cells, novelty detection, spatial memory, perforant path, hippocampus
MeSH terms
Animals, Dopamine, Hippocampus, Synaptic Transmission, Neuronal Plasticity, Receptors, Dopamine, Synapses, Receptors, N-Methyl-D-Aspartate, Mice, Knockout, Excitatory Postsynaptic Potentials, Recognition, Psychology

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review