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Output-Specific Adaptation of Habenula-Midbrain Excitatory Synapses During Cocaine Withdrawal

Authors
  • Clerke, Joseph1
  • Preston-Ferrer, Patricia2, 3
  • Zouridis, Ioannis S.2, 3, 4
  • Tissot, Audrey5
  • Batti, Laura5
  • Voigt, Fabian F.6, 7
  • Pagès, Stephane5
  • Burgalossi, Andrea2, 3
  • Mameli, Manuel1, 8
  • 1 The Department of Fundamental Neuroscience, The University of Lausanne, Lausanne , (Switzerland)
  • 2 Institute of Neurobiology, University of Tübingen, Tübingen , (Germany)
  • 3 Werner-Reichardt Centre for Integrative Neuroscience, Tübingen , (Germany)
  • 4 International Max Planck Research School, Graduate Training Centre of Neuroscience, University of Tübingen, Tübingen , (Germany)
  • 5 The Wyss Center for Bio and Neuroengineering, Geneva , (Switzerland)
  • 6 Brain Research Institute, University of Zurich, Zurich , (Switzerland)
  • 7 Neuroscience Center Zurich, University of Zurich & ETH Zurich, Zurich , (Switzerland)
  • 8 INSERM UMR-S 839, Paris , (France)
Type
Published Article
Journal
Frontiers in Synaptic Neuroscience
Publisher
Frontiers Media S.A.
Publication Date
Mar 31, 2021
Volume
13
Identifiers
DOI: 10.3389/fnsyn.2021.643138
Source
Frontiers
Keywords
Disciplines
  • Neuroscience
  • Brief Research Report
License
Green

Abstract

Projections from the lateral habenula (LHb) control ventral tegmental area (VTA) neuronal populations’ activity and both nuclei shape the pathological behaviors emerging during cocaine withdrawal. However, it is unknown whether cocaine withdrawal modulates LHb neurotransmission onto subsets of VTA neurons that are part of distinct neuronal circuits. Here we show that, in mice, cocaine withdrawal, drives discrete and opposing synaptic adaptations at LHb inputs onto VTA neurons defined by their output synaptic connectivity. LHb axons innervate the medial aspect of VTA, release glutamate and synapse on to dopamine and non-dopamine neuronal populations. VTA neurons receiving LHb inputs project their axons to medial prefrontal cortex (mPFC), nucleus accumbens (NAc), and lateral hypothalamus (LH). While cocaine withdrawal increases glutamate release from LHb onto VTA-mPFC projectors, it reduces presynaptic release onto VTA-NAc projectors, leaving LHb synapses onto VTA-to-LH unaffected. Altogether, cocaine withdrawal promotes distinct adaptations at identified LHb-to-VTA circuits, which provide a framework for understanding the circuit basis of the negative states emerging during abstinence of drug intake.

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