Cited by 110Neurotransmitter Receptor Influence on BehaviorTreatment of Major DepressionStress Responses and Cortisol

Role of the Brain's Reward Circuitry in Depression

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Nestler, Eric J.·2015·International review of neurobiology

Abstract

Increasing evidence supports an important role for the brain's reward circuitry in controlling mood under normal conditions and contributing importantly to the pathophysiology and symptomatology of a range of mood disorders, such as depression. Here we focus on the nucleus accumbens (NAc), a critical component of the brain's reward circuitry, in depression and other stress-related disorders. The prominence of anhedonia, reduced motivation, and decreased energy level in most individuals with depression supports the involvement of the NAc in these conditions. We concentrate on several transcription factors (CREB, ΔFosB, SRF, NFκB, and β-catenin), which are altered in the NAc in rodent depression models--and in some cases in the NAc of depressed humans, and which produce robust depression- or antidepressant-like effects when manipulated in the NAc in animal models. These studies of the NAc have established novel approaches toward modeling key symptoms of depression in animals and could enable the development of antidepressant medications with fundamentally new mechanisms of action.

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Crossref · 10.1016/bs.irn.2015.07.003

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  • In rodent models of depression and depressive-like behaviors, multiple behavioral assays in addition to social interaction test, including sucrose preference, tail suspension, and forced swim tests are often used.

    “In rodent models of depression and depressive-like behaviors, multiple behavioral assays in addition to social interaction test, including sucrose preference, tail suspension, and forced swim tests are often used [7, 20, 29].”

    From A nucleus accumbens-projecting prefrontal cortex circuit underlies chronic social stress-induced depression-like behaviors (2026) · cites this paper as [29]

    Section 3.1 describes several rodent stress assays and changes in responses to sucrose; the References include a study using the forced swim test. These support the general point that multiple behavioral measures are used, but the copy does not identify a sucrose-preference test, tail-suspension test, or social-interaction test as such. Page numbers were not supplied. (LLM, conf=0.82)

    Experimental — accuracy not yet measured
  • Previous work implicates mPFC dysfunction in depression.

    “Our results also expand on other previous work implicating mPFC dysfunction in depression [7, 9, 29, 30]”
  • The ventral capsule/ventral striatum is a central hub in the reward circuitry with dopaminergic inputs from the ventral tegmental area, and serving as a relay between prefrontal cortex (OFC, vmPFC, ACC), ventral striatum and the amygdala and hippocampus.

    “The VC/VS is a central hub in the reward circuitry with dopaminergic inputs from the ventral tegmental area (VTA), and serving as a relay between prefrontal cortex (OFC, vmPFC, ACC), ventral striatum and the amygdala and hippocampus [55,56] (Fig. 4).”

    From Deep brain stimulation for depression. (2022) · cites this paper as [55]

  • A number of brain regions, such as the frontal cortex and the hippocampus, provide glutamatergic input to the VTA and NAc.

    “It has been described that a number of brain regions, such as the frontal cortex and the hippocampus, provide glutamatergic input to the VTA and NAc (Nestler, 2015).”

    From Circuit Mechanisms of Reward, Anhedonia, and Depression (2019) · cites this paper as Nestler, 2015

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Authors
Nestler, E. J.
Affiliations
Icahn School of Medicine at Mount Sinai (US)
Corresponding author
Nestler, Eric J.
Venue
International review of neurobiology
Publisher
Elsevier
Published
2015
Volume
124
Pages
151-170
ISSN
0074-7742 (ISSN-L)
OpenAlex
W2410587014
Cited by
108
References
78
Citations by year
2026: 7 · 2025: 11 · 2024: 12 · 2023: 12 · 2022: 10 · 2021: 10 · 2020: 8 · 2019: 13 · 2018: 11 · 2017: 9 · 2016: 5
FWCI
23.77
Type
book chapter
Language
en
Open access
Locations
  • International review of neurobiology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health
  • National Institute of Mental Health (P50MH096890, R01MH051399)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Health Sciences › Medicine › Pharmacology › Treatment of Major Depression
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
Keywords
depression, reward systems, nucleus accumbens, anhedonia, stress-related disorders, transcription factors, CREB, ΔFosB, SRF, NF-κB, β-catenin, antidepressant mechanism, animal models of depression, mood disorders
MeSH terms
Animals, Brain, Depression, Disease Models, Animal, Gene Expression Regulation, Humans, Neural Pathways, Reward, Transcription Factors

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