Cited by 399Neurotransmitter Receptor Influence on BehaviorNeuroscience and Neuropharmacology ResearchNicotinic Acetylcholine Receptors Study

Neural bases for addictive properties of benzodiazepines

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Tan, Kelly R., Brown, Matthew, Labouèbe, Gwenaël, Yvon, Cédric, Creton, Cyril, Fritschy, Jean-Marc, Rudolph, Uwe, Lüscher, Christian·2010·Nature

Abstract

Benzodiazepines are widely used in clinics and for recreational purposes, but will lead to addiction in vulnerable individuals. Addictive drugs increase the levels of dopamine and also trigger long-lasting synaptic adaptations in the mesolimbic reward system that ultimately may induce the pathological behaviour. The neural basis for the addictive nature of benzodiazepines, however, remains elusive. Here we show that benzodiazepines increase firing of dopamine neurons of the ventral tegmental area through the positive modulation of GABA(A) (gamma-aminobutyric acid type A) receptors in nearby interneurons. Such disinhibition, which relies on alpha1-containing GABA(A) receptors expressed in these cells, triggers drug-evoked synaptic plasticity in excitatory afferents onto dopamine neurons and underlies drug reinforcement. Taken together, our data provide evidence that benzodiazepines share defining pharmacological features of addictive drugs through cell-type-specific expression of alpha1-containing GABA(A) receptors in the ventral tegmental area. The data also indicate that subunit-selective benzodiazepines sparing alpha1 may be devoid of addiction liability.

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Authors
Tan, K. R., Brown, M., Labouèbe, G., Yvon, C., Creton, C., Fritschy, J.-M., Rudolph, U., & Lüscher, C.
Affiliations
  • University of Geneva (CH)
  • University of Zurich (CH)
  • Harvard University (US)
Corresponding author
Lüscher, Christian
Venue
Nature
Published
2010-02
Volume
463
Issue
7282
Pages
769-774
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W1973651679
Cited by
397
References
49
Citations by year
2026: 14 · 2025: 19 · 2024: 15 · 2023: 23 · 2022: 17 · 2021: 29 · 2020: 22 · 2019: 24 · 2018: 21 · 2017: 21 · 2016: 39 · 2015: 22 · 2014: 28 · 2013: 28 · 2012: 32
FWCI
13.30
Type
journal article
Language
en
Open access
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • Zurich Open Repository and Archive (University of Zurich) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • Archive ouverte UNIGE (University of Geneva) (acceptedVersion, other-oa)
  • RePEc: Research Papers in Economics (submittedVersion)
  • Archive ouverte UNIGE (University of Geneva) (submittedVersion, cc-by)
  • Zurich Open Repository and Archive (University of Zurich) (submittedVersion)
  • Zurich Open Repository and Archive (University of Zurich)
Funders
National Institute on Drug Abuse (R01DA019022, DA019022)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Nicotinic Acetylcholine Receptors Study
Keywords
benzodiazepines, drug addiction, ventral tegmental area, dopaminergic neurons, GABAA receptor, alpha1 subunit, interneurons, disinhibition, synaptic plasticity, drug reinforcement, mesolimbic reward system
MeSH terms
Action Potentials, Administration, Oral, Animals, Benzodiazepines, Dopamine, Electric Conductivity, gamma-Aminobutyric Acid, Interneurons, Mice, Inbred C57BL, Midazolam, Models, Biological, Morphine, Neuronal Plasticity, Neurons, Organ Specificity, Receptors, GABA-A, Substrate Specificity, Behavior, Addictive, Ventral Tegmental Area, Receptors, AMPA, Glutamic Acid, Mice, Inhibitory Postsynaptic Potentials, In Vitro Techniques

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