Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Dopamine's secret agent: serotonin.

Andrew J Miller-Hansen1, Talia N Lerner2

  • 1Department of Neuroscience, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA; Departments of Neurology and Physiology, School of Medicine, University of California-San Francisco, San Francisco, CA, USA; Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, USA.

Trends in Neurosciences
|February 4, 2026
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Thalamus orchestrates local acetylcholine-dependent dopamine release in the learning striatum.

bioRxiv : the preprint server for biology·2026
Same author

The role of mesolimbic circuitry in aversive signaling and opioid dependence.

Neuron·2025
Same author

Region-specific nucleus accumbens dopamine signals encode distinct aspects of avoidance learning.

Current biology : CB·2025
Same author

How Dopamine Enables Learning from Aversion.

Current opinion in behavioral sciences·2024
Same author

Dopamine across timescales and cell types: Relevance for phenotypes in Parkinson's disease progression.

Experimental neurology·2024
Same author

Hidden variables in stress neurobiology research.

Trends in neurosciences·2023
Same journal

Emulating the periodic table: A unified list of CNS terms and abbreviations for humans and experimental animals.

Trends in neurosciences·2026
Same journal

From chromatin dynamics to brain disease: Polycomb-Trithorax mechanisms in neurodevelopment.

Trends in neurosciences·2026
Same journal

Striatum regulates the cortex via the basal forebrain cholinergic system: A role for substance P.

Trends in neurosciences·2026
Same journal

A large brain adds new types of neurons: Molecular and functional signatures of spindle neurons in the human neocortex.

Trends in neurosciences·2026
Same journal

Exercise as a regulator of glymphatic function.

Trends in neurosciences·2026
Same journal

The neural basis of laughter.

Trends in neurosciences·2026
See all related articles

Dopamine’s suppression of GABA release in the brain is frequency-dependent and does not directly involve dopamine receptors. Instead, it relies on serotonin and 5HT1B receptors to regulate striatal pathway transmission.

Area of Science:

  • Neuroscience
  • Neuropharmacology
  • Molecular Biology

Background:

  • Dopamine plays a crucial role in regulating neurotransmitter release in the brain.
  • Striatal GABAergic transmission is vital for motor control and reward processing.
  • The precise mechanisms underlying dopamine's modulatory effects on GABA release are not fully understood.

Purpose of the Study:

  • To investigate the mechanism by which dopamine suppresses GABA release from striatal terminals.
  • To determine the role of dopamine receptors and serotonin in this modulatory process.
  • To elucidate the frequency-dependent nature of dopamine's effect on striatal pathway transmission.

Main Methods:

  • Electrophysiological recordings in the substantia nigra pars reticulata.
Keywords:
basal gangliadirect pathwaymotor controlneuromodulatory interactionsstriatumsubstantia nigra

Related Experiment Videos

  • Pharmacological manipulations involving dopamine and serotonin receptor agonists/antagonists.
  • Analysis of frequency-dependent synaptic transmission properties.

    • Main Results:

    • Dopamine-mediated suppression of GABA release is frequency-dependent, acting as a high-pass filter.
    • This suppression does not require direct activation of dopamine receptors.
    • Dopamine upregulates serotonin, which then activates presynaptic 5HT1B receptors to mediate the effect.

    Conclusions:

    • Dopamine indirectly modulates striatal GABA release via a serotonin-dependent pathway involving 5HT1B receptors.
    • The findings reveal a novel, indirect mechanism for dopamine signaling in the basal ganglia.
    • This indirect pathway provides a new perspective on the regulation of striatal direct pathway activity.