Cerebellar circuits: biochemistry, neurotransmitters and neuromodulators: cannabinoids as modulators in the cerebellumStephens, G. J. ORCID: https://orcid.org/0000-0002-8966-4238 (2016) Cerebellar circuits: biochemistry, neurotransmitters and neuromodulators: cannabinoids as modulators in the cerebellum. In: Gruol, D. L., Koibuchi, N., Manto, M., Molinari, M., Schmahmann, J. D. and Shen, Y. (eds.) Essentials of Cerebellum and Cerebellar Disorders: A Primer For Graduate Students. Springer, Dordrecht, pp. 255-259. ISBN 9783319245492 Full text not archived in this repository. It is advisable to refer to the publisher's version if you intend to cite from this work. See Guidance on citing. To link to this item DOI: 10.1007/978-3-319-24551-5_33 Abstract/SummaryCannabinoid CB1 receptors (CB1Rs) are the most widespread G-protein-coupled receptors (GPCRs) in the mammalian CNS. CB1Rs are present on inhibitory and excitatory presynaptic terminals supplying Purkinje cells (PCs), the sole output of the cerebellar cortex, where activation suppresses transmitter release. CB1Rs are part of the endocannabinoid (eCB) system, activated by the lipid mediator 2-arachidonoyl glycerol (2-AG) via retrograde transmission. Within the cerebellum, CB1Rs also mediate synaptic plasticities to modulate cerebellar learning. This review will discuss the latest knowledge regarding CB1R circuitry and signalling and their potential modulation.
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