Mechanisms of amphetamine action illuminated through optical monitoring of dopamine synaptic vesicles in Drosophila brain

Mechanisms of amphetamine action illuminated through optical monitoring of dopamine synaptic vesicles in Drosophila brain

Amphetamines are known to enhance extracellular dopamine levels, but the underlying mechanisms are unclear. Utilising a new pH biosensor for synaptic vesicles, the authors show that amphetamines diminish vesicle pH gradients, disrupting dopamine packaging and leading to increased neurotransmitter re...

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Auteurs principaux: Zachary Freyberg, Mark S. Sonders, Jenny I. Aguilar, Takato Hiranita, Caline S. Karam, Jorge Flores, Andrea B. Pizzo, Yuchao Zhang, Zachary J. Farino, Audrey Chen, Ciara A. Martin, Theresa A. Kopajtic, Hao Fei, Gang Hu, Yi-Ying Lin, Eugene V. Mosharov, Brian D. McCabe, Robin Freyberg, Kandatege Wimalasena, Ling-Wei Hsin, Dalibor Sames, David E. Krantz, Jonathan L. Katz, David Sulzer, Jonathan A. Javitch
Format: article
Langue:EN
Publié: Nature Portfolio 2016
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Science
Q
Accès en ligne:https://doaj.org/article/3b8bfbbdbb454af19a8c38df694cd7dd
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Résumé:Amphetamines are known to enhance extracellular dopamine levels, but the underlying mechanisms are unclear. Utilising a new pH biosensor for synaptic vesicles, the authors show that amphetamines diminish vesicle pH gradients, disrupting dopamine packaging and leading to increased neurotransmitter release.

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