Evidence map›Paper›PMID 23786641›Full record

ArticleGenes, brain, and behavior2013

The expression of MC4Rs in D1R neurons regulates food intake and locomotor sensitization to cocaine.

H Cui, M Lutter

Open access · bronzeAbstract read
In one paragraph

Article in Genes, brain, and behavior, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.

0numbers the graph read from it
0cells of the map it votes in
24citing papers in PubMed
2.6field-weighted citation impact, top 11% 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

24 citing papers in PubMed, 41 citations in OpenAlex.

  1. Article
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  9. Review
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  12. Hunger and Satiety Gauge Reward Sensitivity.Frontiers in endocrinology · 2017
    Review
  13. Review
  14. Article
  15. Review
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  19. Article
  20. MC4R expression in pedunculopontine nucleus involved in the modulation of midbrain dopamine system.International journal of clinical and experimental pathology · 2015
    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

2 authors at 2 institutions in 1 country.

H CuiDepartment of Psychiatry, The University of Texas Southwestern Medical Center, Dallas, TX, USA. Huxing-Cui@uiowa.edu
M Lutter
The University of Texas Southwestern Medical Center · USUniversity of Iowa · US

Funding

Central Mechanisms Regulating Energy Homeostasis, Project 2 of 10RL1DK081185 · NIDDK · UT SOUTHWESTERN MEDICAL CENTER · PI ELMQUIST, JOEL K. · 2007 to 2011
$3.8M
Mouse Phenotype Core, Project 9 of 10PL1DK081182 · NIDDK · UT SOUTHWESTERN MEDICAL CENTER · PI RUSSELL, DAVID W. · 2007 to 2011
$2.0M
Melanocortin Signaling in DepressionK08MH084058 · NIMH · UT SOUTHWESTERN MEDICAL CENTER · PI LUTTER, MICHAEL · 2009 to 2013
$853k
NIDDK NIH HHS DK081182-01NIDDK NIH HHS DK081185-01NIDDK NIH HHS PL1 DK081182NIDDK NIH HHS RL1 DK081185NIMH NIH HHS K08 MH084058NIMH NIH HHS MH084058-01A1
6 · The paper itself

Abstract

While it is known that mice lacking melanocortin 4 receptor (MC4R) expression develop hyperphagia resulting in early-onset obesity, the specific neural circuits that mediate this process remain unclear. Here, we report that selective restoration of MC4R expression within dopamine-1 receptor-expressing neurons [MC4R/dopamine 1 receptor (D1R) mice] partially blunts the severe obesity seen in MC4R-null mice by decreasing meal size, but not meal frequency, in the dark cycle. We also report that both acute cocaine-induced anorexia and the development of locomotor sensitization to repeated administration of cocaine are blunted in MC4R-null mice and normalized in MC4R/D1R mice. Neuronal retrograde tracing identifies the lateral hypothalamic area as the primary target of MC4R-expressing neurons in the nucleus accumbens. Biochemical studies in the ventral striatum show that phosphorylation of DARPP-32(Thr) (-34) and GluR1(Ser) (-845) is diminished in MC4R-null mice after chronic cocaine administration but rescued in MC4R/D1R mice. These findings highlight a physiological role of MC4R-mediated signaling within D1R neurons in the long-term regulation of energy balance and behavioral responses to cocaine.

Indexed as

EatingLocomotionAnimalsAnorexiaBasal GangliaCocaineDopamine and cAMP-Regulated Phosphoprotein 32Dopaminergic NeuronsMiceMice, Inbred C57BLMice, KnockoutNucleus AccumbensPhosphorylationReceptor, Melanocortin, Type 4Receptors, AMPAReceptors, Dopamine D1CocaineDopamine and cAMP-Regulated Phosphoprotein 32MC4R protein, mousePpp1r1b protein, mouseReceptor, Melanocortin, Type 4Receptors, AMPAReceptors, Dopamine D1Cocainedopamine-1 receptorfood intakelocomotor sensitizationmelanocortin 4 receptorobesity

Identifiers

PMID23786641
PMCPMC3782389
OpenAlexW2099258692

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.