Cited by 59Neurotransmitter Receptor Influence on BehaviorNeuroscience and Neuropharmacology ResearchReceptor Mechanisms and Signaling

The Brain Cytoplasmic RNA BC1 Regulates Dopamine D2Receptor-Mediated Transmission in the Striatum

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Centonze, Diego, Rossi, Silvia, Napoli, Ilaria, Mercaldo, Valentina, Lacoux, Caroline, Ferrari, Francesca, Ciotti, Maria Teresa, De Chiara, Valentina +6 more·2007·The Journal of Neuroscience

Abstract

Dopamine D 2 receptor (D 2 DR)-mediated transmission in the striatum is remarkably flexible, and changes in its efficacy have been heavily implicated in a variety of physiological and pathological conditions. Although receptor-associated proteins are clearly involved in specific forms of synaptic plasticity, the molecular mechanisms regulating the sensitivity of D 2 receptors in this brain area are essentially obscure. We have studied the physiological responses of the D 2 DR stimulations in mice lacking the brain cytoplasmic RNA BC1, a small noncoding dendritically localized RNA that is supposed to play a role in mRNA translation. We show that the efficiency of D 2-mediated transmission regulating striatal GABA synapses is under the control of BC1 RNA, through a negative influence on D 2 receptor protein level affecting the functional pool of receptors. Ablation of the BC1 gene did not result in widespread dysregulation of synaptic transmission, because the sensitivity of cannabinoid CB 1 receptors was intact in the striatum of BC1 knock-out (KO) mice despite D 2 and CB 1 receptors mediated similar electrophysiological actions. Interestingly, the fragile X mental retardation protein FMRP, one of the multiple BC1 partners, is not involved in the BC1 effects on the D 2-mediated transmission. Because D 2 DR mRNA is apparently equally translated in the BC1-KO and wild-type mice, whereas the protein level is higher in BC1-KO mice, we suggest that BC1 RNA controls D 2 DR indirectly, probably regulating translation of molecules involved in D 2 DR turnover and/or stability.

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Crossref · 10.1523/jneurosci.0548-07.2007

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Authors
Centonze, D., Rossi, S., Napoli, I., Mercaldo, V., Lacoux, C., Ferrari, F., Ciotti, M. T., De Chiara, V., Prosperetti, C., Maccarrone, M., Fezza, F., Calabresi, P., Bernardi, G., & Bagni, C.
Affiliations
  • University of Rome Tor Vergata (IT)
  • Istituto Neurologico Mediterraneo (IT)
  • Fondazione Santa Lucia (IT)
  • National Research Council (IT)
  • University of Teramo (IT)
  • University of Perugia (IT)
Venue
The Journal of Neuroscience
Published
2007-08-15
Volume
27
Issue
33
Pages
8885-8892
ISSN
  • 0270-6474 (ISSN-L)
  • 1529-2401
OpenAlex
W2011574075
Cited by
59
References
44
Citations by year
2025: 1 · 2024: 1 · 2023: 2 · 2022: 13 · 2021: 3 · 2019: 1 · 2018: 5 · 2017: 3 · 2016: 3 · 2015: 5 · 2014: 2 · 2013: 2 · 2012: 6
FWCI
1.06
Type
journal article
Language
en
Open access
Locations
  • Journal of Neuroscience (publishedVersion, cc-by-nc-sa)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Lirias (acceptedVersion, other-oa)
  • Cineca Institutional Research Information System (Tor Vergata University) (submittedVersion)
  • Archivio Istituzionale della Ricerca - Università degli Studi dell Aquila (submittedVersion)
Funders
Ministero della Salute
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Receptor Mechanisms and Signaling
Keywords
BC1 RNA, dopamine D2 receptor, striatum, GABAergic synapses, synaptic transmission, mRNA translation, CB1 receptor, FMRP
MeSH terms
Animals, Animals, Newborn, Biphenyl Compounds, Cells, Cultured, Corpus Striatum, gamma-Aminobutyric Acid, Glutamate Decarboxylase, Isoenzymes, Male, Mice, Inbred C57BL, Microtubule-Associated Proteins, Synaptic Transmission, Neurons, Oligonucleotides, Piperazines, RNA, Messenger, Guanosine 5'-O-(3-Thiotriphosphate), Receptors, Dopamine D2, Mice, Knockout, Patch-Clamp Techniques, Reverse Transcriptase Polymerase Chain Reaction, Ribonucleoproteins, Small Cytoplasmic, RNA, Untranslated, Mice, Inhibitory Postsynaptic Potentials, RNA, Long Noncoding, Dopamine D2 Receptor Antagonists, In Vitro Techniques

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