Striatonigral direct pathway 2-arachidonoylglycerol contributes to ethanol effects on synaptic transmission and behavior.


Journal

Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology
ISSN: 1740-634X
Titre abrégé: Neuropsychopharmacology
Pays: England
ID NLM: 8904907

Informations de publication

Date de publication:
12 2023
Historique:
received: 21 11 2022
accepted: 12 07 2023
medline: 23 10 2023
pubmed: 2 8 2023
entrez: 1 8 2023
Statut: ppublish

Résumé

Endocannabinoids (eCB) and cannabinoid receptor 1 (CB1) play important roles in mediating short- and long-term synaptic plasticity in many brain regions involved in learning and memory, as well as the reinforcing effects of misused substances. Ethanol-induced plasticity and neuroadaptations predominantly occur in striatal direct pathway projecting medium spiny neurons (dMSNs). It is hypothesized that alterations in eCB neuromodulation may be involved. Recent work has implicated a role of eCB 2-arachidonoylglycerol (2-AG) in the rewarding effects of ethanol. However, there is insufficient research to answer which cellular subtype is responsible for mediating the 2-AG eCB signal that might be involved in the rewarding properties of ethanol and the mechanisms by which that occurs. To examine the role of dMSN mediated 2-AG signaling in ethanol related synaptic transmission and behaviors, we used conditional knockout mice in which the 2-AG-synthesizing enzyme diacylglycerol lipase α (DGLα) was deleted in dMSNs, DGLα

Identifiants

pubmed: 37528221
doi: 10.1038/s41386-023-01671-8
pii: 10.1038/s41386-023-01671-8
pmc: PMC10584873
doi:

Substances chimiques

glyceryl 2-arachidonate 8D239QDW64
Glycerides 0
Endocannabinoids 0
Ethanol 3K9958V90M
Receptor, Cannabinoid, CB1 0

Types de publication

Journal Article Research Support, N.I.H., Intramural Research Support, N.I.H., Extramural

Langues

eng

Sous-ensembles de citation

IM

Pagination

1941-1951

Subventions

Organisme : Intramural NIH HHS
ID : ZIA AA000416
Pays : United States
Organisme : NIAAA NIH HHS
ID : R00 AA027740
Pays : United States

Informations de copyright

© 2023. American College of Neuropsychopharmacology.

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Auteurs

Shana M Augustin (SM)

Laboratory for Integrative Neuroscience, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD, 20892, USA. shana.augustin@northwestern.edu.
Department of Pharmacology, Northwestern University Feinberg School of Medicine, Chicago, IL, 60611, USA. shana.augustin@northwestern.edu.
Department of Psychiatry and Behavioral Sciences, Northwestern University Feinberg School of Medicine, Chicago, IL, 60611, USA. shana.augustin@northwestern.edu.

Alexa L Gracias (AL)

Laboratory for Integrative Neuroscience, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD, 20892, USA.

Guoxiang Luo (G)

Laboratory for Integrative Neuroscience, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD, 20892, USA.

Rishitha C Anumola (RC)

Laboratory for Integrative Neuroscience, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD, 20892, USA.

David M Lovinger (DM)

Laboratory for Integrative Neuroscience, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD, 20892, USA.

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Classifications MeSH