Evidence map›Paper›PMID 26364547›Full record

ArticleBiological psychiatry2016

Regulator of G-Protein Signaling 7 Regulates Reward Behavior by Controlling Opioid Signaling in the Striatum.

Laurie P Sutton, Olga Ostrovskaya, Maria Dao, Keqiang Xie, Cesare Orlandi, Roy Smith, Sunmee Wee, Kirill A Martemyanov

Abstract read
In one paragraph

Article in Biological psychiatry, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.

0numbers the graph read from it
0cells of the map it votes in
26citing papers in PubMed
1.8field-weighted citation impact, top 17% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

26 citing papers in PubMed, 41 citations in OpenAlex.

  1. Article
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  7. Article
  8. Differential expression ofDrug and alcohol dependence reports · 2022
    Article
  9. Identification of Potential Modulators of the RGS7/Gβ5/R7BP Complex.SLAS discovery : advancing life sciences R & D · 2021
    Article
  10. Glutamatergic Systems and Memory Mechanisms Underlying Opioid Addiction.Cold Spring Harbor perspectives in medicine · 2021
    Review
  11. Article
  12. Review
  13. Article
  14. Review
  15. Article
  16. Homeostatic cAMP regulation by the RGS7 complex controls depression-related behaviors.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2019
    Article
  17. Article
  18. Article
  19. Review
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors at 1 institution in 1 country.

Laurie P SuttonDepartments of Neuroscience, The Scripps Research Institute, Jupiter, Florida.
Olga OstrovskayaDepartments of Neuroscience, The Scripps Research Institute, Jupiter, Florida.
Maria DaoDepartment of Molecular Therapeutics, The Scripps Research Institute, Jupiter, Florida; Department of Metabolism and Aging, The Scripps Research Institute, Jupiter, Florida.
Keqiang XieDepartments of Neuroscience, The Scripps Research Institute, Jupiter, Florida.
Cesare OrlandiDepartments of Neuroscience, The Scripps Research Institute, Jupiter, Florida.
Roy SmithDepartment of Metabolism and Aging, The Scripps Research Institute, Jupiter, Florida.
Sunmee WeeDepartment of Molecular Therapeutics, The Scripps Research Institute, Jupiter, Florida.
Kirill A MartemyanovDepartments of Neuroscience, The Scripps Research Institute, Jupiter, Florida. Electronic address: kirill@scripps.edu.
Scripps Research Institute · US

Funding

Regulation of Striatal Signaling by RGS ProteinsR01DA036596 · NIDA · UNIVERSITY OF MIAMI SCHOOL OF MEDICINE · PI Kirill A. Martemyanov · 2014 to 2026
$6.5M
Molecular Basis of RGS Protein Function in the StriatumK02DA026405 · NIDA · UNIVERSITY OF MINNESOTA · PI MARTEMYANOV, KIRILL A. · 2009 to 2019
$1.2M
Role of RGS7 in controlling behavioral responses to addictive drugsR21DA036082 · NIDA · SCRIPPS FLORIDA · PI MARTEMYANOV, KIRILL A. · 2013 to 2014
$520k
CIHRNIDA NIH HHS K02 DA026405NIDA NIH HHS R01 DA036596NIDA NIH HHS R21 DA036082
6 · The paper itself

Abstract

backgroundMorphine mediates its euphoric and analgesic effects by acting on the μ-opioid receptor (MOR). MOR belongs to the family of G-protein coupled receptors whose signaling efficiency is controlled by the regulator of G-protein signaling (RGS) proteins. Our understanding of the molecular diversity of RGS proteins that control MOR signaling, their circuit specific actions, and underlying cellular mechanisms is very limited.

methodsWe used genetic approaches to ablate regulator of G-protein signaling 7 (RGS7) both globally and in specific neuronal populations. We used conditioned place preference and self-administration paradigms to examine reward-related behavior and a battery of tests to assess analgesia, tolerance, and physical dependence to morphine. Electrophysiology approaches were applied to investigate the impact of RGS7 on morphine-induced alterations in neuronal excitability and plasticity of glutamatergic synapses. At least three animals were used for each assessment.

resultsElimination of RGS7 enhanced reward, increased analgesia, delayed tolerance, and heightened withdrawal in response to morphine administration. RGS7 in striatal neurons was selectively responsible for determining the sensitivity of rewarding and reinforcing behaviors to morphine without affecting analgesia, tolerance, and withdrawal. In contrast, deletion of RGS7 in dopaminergic neurons did not influence morphine reward. RGS7 exerted its effects by controlling morphine-induced changes in excitability of medium spiny neurons in nucleus accumbens and gating the compositional plasticity of α-amino-3-hydroxy-5-methyl-4-isoxazole propionic acid and N-methyl-D-aspartate receptors.

conclusionsThis study identifies RGS7 as a novel regulator of MOR signaling by dissecting its circuit specific actions and pinpointing its role in regulating morphine reward by controlling the activity of nucleus accumbens neurons.

Indexed as

RewardAnimalsConditioning, PsychologicalCorpus StriatumDopaminergic NeuronsDrug ToleranceFemaleGlutamic AcidMaleMiceMice, KnockoutMorphineNeuronsNucleus AccumbensPain MeasurementRGS ProteinsGlutamic AcidMorphineRgs6 protein, mouseRgs7 protein, mouseRGS ProteinsAddictionG Protein coupled receptors (GPCRs)OpioidsRegulators of G-protein signaling (RGS)Reward circuitStriatum

Identifiers

PMID26364547
PMCPMC4753143
OpenAlexW1458428388

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.