Cited by 636Treatment of Major DepressionNeurotransmitter Receptor Influence on BehaviorNeurological disorders and treatments

Synaptic potentiation onto habenula neurons in the learned helplessness model of depression

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Li, Bo, Piriz, Joaquin, Mirrione, Martine, Chung, ChiHye, Proulx, Christophe D., Schulz, Daniela, Henn, Fritz, Malinow, Roberto·2011·Nature

Abstract

The cellular basis of depressive disorders is poorly understood. Recent studies in monkeys indicate that neurons in the lateral habenula (LHb), a nucleus that mediates communication between forebrain and midbrain structures, can increase their activity when an animal fails to receive an expected positive reward or receives a stimulus that predicts aversive conditions (that is, disappointment or anticipation of a negative outcome). LHb neurons project to, and modulate, dopamine-rich regions, such as the ventral tegmental area (VTA), that control reward-seeking behaviour and participate in depressive disorders. Here we show that in two learned helplessness models of depression, excitatory synapses onto LHb neurons projecting to the VTA are potentiated. Synaptic potentiation correlates with an animal's helplessness behaviour and is due to an enhanced presynaptic release probability. Depleting transmitter release by repeated electrical stimulation of LHb afferents, using a protocol that can be effective for patients who are depressed, markedly suppresses synaptic drive onto VTA-projecting LHb neurons in brain slices and can significantly reduce learned helplessness behaviour in rats. Our results indicate that increased presynaptic action onto LHb neurons contributes to the rodent learned helplessness model of depression.

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Authors
Li, B., Piriz, J., Mirrione, M., Chung, C., Proulx, C. D., Schulz, D., Henn, F., & Malinow, R.
Affiliations
  • University of California San Diego (US)
  • Brookhaven National Laboratory (US)
Corresponding author
  • Li, Bo
  • Malinow, Roberto
Venue
Nature
Published
2011-02
Volume
470
Issue
7335
Pages
535-539
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W1969186778
Cited by
634
References
34
Citations by year
2026: 27 · 2025: 31 · 2024: 61 · 2023: 33 · 2022: 50 · 2021: 49 · 2020: 47 · 2019: 56 · 2018: 41 · 2017: 47 · 2016: 50 · 2015: 31 · 2014: 38 · 2013: 33 · 2012: 29
FWCI
25.30
Type
journal article
Language
en
Open access
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • Cold Spring Harbor Laboratory Institutional Repository (Cold Spring Harbor Laboratory) (acceptedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • Rare & Special e-Zone (The Hong Kong University of Science and Technology) (submittedVersion)
Funders
  • National Institute on Aging (R01AG032132)
  • National Institute of Mental Health (R01MH091119, R01MH049159, R01MH091903)
Topics
  • Health Sciences › Medicine › Pharmacology › Treatment of Major Depression
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Health Sciences › Medicine › Neurology › Neurological disorders and treatments
Keywords
lateral habenula, learned helplessness, depression, synaptic potentiation, presynaptic release probability, ventral tegmental area, deep brain stimulation, negative rewards, aversive outcomes, dopamine, excitatory synapses
MeSH terms
Animals, Avoidance Learning, Depression, Disease Models, Animal, Dopamine, Electric Stimulation, Helplessness, Learned, Male, Models, Neurological, Synaptic Transmission, Neurons, Reward, Synapses, Thalamus, Rats, Sprague-Dawley, Ventral Tegmental Area, Presynaptic Terminals, Excitatory Postsynaptic Potentials, Deep Brain Stimulation, Rats, Neuroanatomical Tract-Tracing Techniques

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