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Drug abuse and the simplest neurotransmitter
Journal article   Open access   Peer reviewed

Drug abuse and the simplest neurotransmitter

Collin J Kreple, Yuan Lu, Ryan T LaLumiere and John A Wemmie
ACS chemical neuroscience, Vol.5(9), pp.746-748
09/17/2014
DOI: 10.1021/cn500154w
PMCID: PMC4334212
PMID: 25054738
url
https://doi.org/10.1021/cn500154wView
Published (Version of record) Open Access

Abstract

Neurotransmitter vesicles are known to concentrate hydrogen ions (or protons), the simplest ion, and to release them during neurotransmission. Furthermore, receptors highly sensitive to protons, acid-sensing ion channels (ASICs), were previously localized on the opposite side of the synaptic cleft on dendritic spines. Now, recent experiments provide some of the strongest support to date that protons function as a neurotransmitter in mice, crossing synapses onto medium spiny neurons of the nucleus accumbens (NAc), activating ASICs, and ultimately suppressing drug abuse-related behaviors.
Protons Substance-Related Disorders - metabolism Animals Synaptic Transmission - physiology Models, Biological Humans Neurotransmitter Agents - pharmacology Neurotransmitter Agents - metabolism Substance-Related Disorders - pathology Synaptic Transmission - drug effects Mice Acid Sensing Ion Channels - metabolism

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