Cited by 65Neurotransmitter Receptor Influence on BehaviorNeuroscience and Neuropharmacology ResearchParkinson's Disease Mechanisms and Treatments

The Formation and Function of the VTA Dopamine System

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Hou, Guoqiang, Hao, Mei, Duan, Jiawen, Han, Ming-Hu·2024·International Journal of Molecular Sciences

Abstract

The midbrain dopamine system is a sophisticated hub that integrates diverse inputs to control multiple physiological functions, including locomotion, motivation, cognition, reward, as well as maternal and reproductive behaviors. Dopamine is a neurotransmitter that binds to G-protein-coupled receptors. Dopamine also works together with other neurotransmitters and various neuropeptides to maintain the balance of synaptic functions. The dysfunction of the dopamine system leads to several conditions, including Parkinson’s disease, Huntington’s disease, major depression, schizophrenia, and drug addiction. The ventral tegmental area (VTA) has been identified as an important relay nucleus that modulates homeostatic plasticity in the midbrain dopamine system. Due to the complexity of synaptic transmissions and input–output connections in the VTA, the structure and function of this crucial brain region are still not fully understood. In this review article, we mainly focus on the cell types, neurotransmitters, neuropeptides, ion channels, receptors, and neural circuits of the VTA dopamine system, with the hope of obtaining new insight into the formation and function of this vital brain region.

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Crossref · 10.3390/ijms25073875

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  • Disrupted reward mechanisms may interact with anti-reward systems, exacerbating addiction-related symptoms.

    “These disrupted reward mechanisms may interact with anti-reward systems, exacerbating addiction-related symptoms.”

    From Beyond Stigma–Integrating Neurobiology, Genetics, and Awareness Integration Theory in Addiction Recovery (2026) · cites this paper as [77]

    Section 3.4 (page unavailable) says the lateral habenula–VTA circuit coordinates reward and aversion and modulates drug-seeking behavior. It does not say that disrupted reward mechanisms interact with anti-reward systems to exacerbate addiction-related symptoms. (LLM, conf=0.82)

    Experimental — accuracy not yet measured
  • Anhedonia is a common symptom in addiction, depression, PTSD, and schizophrenia.

    “Anhedonia, the inability to experience pleasure from normally rewarding activities, is a common symptom in addiction, depression, PTSD, and schizophrenia.”

    From Beyond Stigma–Integrating Neurobiology, Genetics, and Awareness Integration Theory in Addiction Recovery (2026) · cites this paper as [77]

    Section 2.2 reports that a treatment reduced “depressive and anhedonic symptoms” in patients with major depressive disorder, supporting the depression portion. The passages found do not identify anhedonia as a common symptom of addiction, PTSD, or schizophrenia, or establish how common it is across those conditions. (LLM, conf=0.84)

    Experimental — accuracy not yet measured
  • Anhedonia is thought to arise from dysfunction in the mesolimbic dopamine system and may persist long after substance clearance.

    “It is thought to arise from dysfunction in the mesolimbic dopamine system and may persist long after substance clearance.”

    From Beyond Stigma–Integrating Neurobiology, Genetics, and Awareness Integration Theory in Addiction Recovery (2026) · cites this paper as [77]

    Section 2.2 links VTA dopamine-neuron activity to depressive and anhedonic symptoms, and Section 1 identifies the VTA-to-nucleus-accumbens projection as a mesolimbic reward pathway. Section 2.2 also describes reduced dopamine release during morphine withdrawal, but the paper does not say that anhedonia persists long after substance clearance. (LLM, conf=0.82)

    Experimental — accuracy not yet measured
  • D2/D3 receptor-targeted interventions offer potential for restoring pleasure responses and preventing relapse.

    “D2/D3 receptor-targeted interventions offer potential for restoring pleasure responses and preventing relapse.”

    From Beyond Stigma–Integrating Neurobiology, Genetics, and Awareness Integration Theory in Addiction Recovery (2026) · cites this paper as [77]

    Section 2.2.3 identifies D3 as a D2-like receptor, and Section 4 discusses D2 antagonists for schizophrenia. Neither passage links D2/D3-targeted interventions to restoring pleasure responses or preventing relapse; searches for D3, anhedonia, pleasure, and relapse found no such link in our copy. (LLM, conf=0.74)

    Experimental — accuracy not yet measured

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Authors
Hou, G., Hao, M., Duan, J., & Han, M.-H.
Affiliations
  • Chinese Academy of Sciences (CN)
  • Faculty of Life and Health Sciences, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
Corresponding author
Han, Ming-Hu
Venue
International Journal of Molecular Sciences
Publisher
MDPI AG
Published
2024-03-30
Volume
25
Issue
7
Pages
3875
ISSN
1422-0067 (ISSN-L)
OpenAlex
W4393356450
Cited by
65
References
171
Citations by year
2026: 30 · 2025: 26 · 2024: 9
FWCI
4.07
Type
journal article
Language
en
Open access
Locations
  • International Journal of Molecular Sciences (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
  • National Key Research and Development Program of China (2021ZD0202902, 2021ZD0202900, T2250710685, JCYJ20220818101600001, ZDSYS20220606100606014, SMRF B2303012, KQTD20221101093608028)
  • Research Fund for International Scientists of National Natural Science Foundation of China (2021ZD0202902, 2021ZD0202900, T2250710685, JCYJ20220818101600001, ZDSYS20220606100606014, SMRF B2303012, KQTD20221101093608028)
  • Shenzhen Key Basic Research Project (2021ZD0202902, 2021ZD0202900, T2250710685, JCYJ20220818101600001, ZDSYS20220606100606014, SMRF B2303012, KQTD20221101093608028)
  • Shenzhen Key Laboratory of Precision Diagnosis and Treatment of Depression (2021ZD0202902, 2021ZD0202900, T2250710685, JCYJ20220818101600001, ZDSYS20220606100606014, SMRF B2303012, KQTD20221101093608028)
  • Shenzhen Medical Research Fund (2021ZD0202902, 2021ZD0202900, T2250710685, JCYJ20220818101600001, ZDSYS20220606100606014, SMRF B2303012, KQTD20221101093608028)
  • Science and Technology Research and Development Foundation of Shenzhen (2021ZD0202902, 2021ZD0202900, T2250710685, JCYJ20220818101600001, ZDSYS20220606100606014, SMRF B2303012, KQTD20221101093608028)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Health Sciences › Medicine › Neurology › Parkinson's Disease Mechanisms and Treatments
Keywords
ventral tegmental area, midbrain dopamine system, dopamine, G protein-coupled receptors, neuropeptides, ion channels, neural circuits, homeostatic plasticity, dopaminergic dysfunction, Parkinson's disease, schizophrenia, drug addiction, reward, motivation
MeSH terms
Major Depressive Disorder, Dopamine, Humans, Neuropeptides, Ventral Tegmental Area, Neurotransmitter Agents

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