Evidence map›Paper›PMID 24184162›Full record

ArticleMolecular and cellular neurosciences2014

Dicer expression is essential for adult midbrain dopaminergic neuron maintenance and survival.

Xueyan Pang, Eric M Hogan, Alison Casserly, Guangping Gao, Paul D Gardner, Andrew R Tapper

Open access · greenAbstract read
In one paragraph

Article in Molecular and cellular neurosciences, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed
0.9field-weighted citation impact, top 24% 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

17 citing papers in PubMed, 34 citations in OpenAlex.

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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

6 authors at 2 institutions in 1 country.

Xueyan PangBrudnick Neuropsychiatric Research Institute, Department of Psychiatry, University of Massachusetts Medical School, Worcester, MA 01604, USA.
Eric M HoganBrudnick Neuropsychiatric Research Institute, Department of Psychiatry, University of Massachusetts Medical School, Worcester, MA 01604, USA.
Alison CasserlyBrudnick Neuropsychiatric Research Institute, Department of Psychiatry, University of Massachusetts Medical School, Worcester, MA 01604, USA.
Guangping GaoGene Therapy Center, University of Massachusetts Medical School, Worcester, MA 01604, USA; Department of Microbiology and Physiology Systems, University of Massachusetts Medical School, Worcester, MA 01604, USA.
Paul D GardnerBrudnick Neuropsychiatric Research Institute, Department of Psychiatry, University of Massachusetts Medical School, Worcester, MA 01604, USA.
Andrew R TapperBrudnick Neuropsychiatric Research Institute, Department of Psychiatry, University of Massachusetts Medical School, Worcester, MA 01604, USA. Electronic address: andrew.tapper@umassmed.edu.
Neuropsychiatric Research Institute · USUniversity of Massachusetts Chan Medical School · US

Funding

Oligodendrocyte-focused rAAV gene therapy strategies for Canavan disease and LeukodystrophiesR01NS076991 · NINDS · UNIV OF MASSACHUSETTS MED SCH WORCESTER · PI Guangping Gao · 2012 to 2026
$5.7M
Nicotinic-dopamine receptor interaction in a novel Parkinsonian mouse model.R01NS059586 · NINDS · UNIV OF MASSACHUSETTS MED SCH WORCESTER · PI TAPPER, ANDREW R · 2008 to 2011
$1.5M
microRNA Regulation of the Nicotine Dependence Susceptibility Locus CHRNA5/A3/B4R21DA033543 · NIDA · UNIV OF MASSACHUSETTS MED SCH WORCESTER · PI GARDNER, PAUL D · 2013 to 2014
$458k
MicroRNA Regulation of Nicotine-Mediated BehaviorsR21DA031952 · NIDA · UNIV OF MASSACHUSETTS MED SCH WORCESTER · PI GARDNER, PAUL D, TAPPER, ANDREW R · 2012 to 2013
$443k
MicroRNA Regulation of Nicotinic Acetylcholine Receptor Expression and FunctionF31DA029386 · NIDA · UNIV OF MASSACHUSETTS MED SCH WORCESTER · PI HOGAN, ERIC MATTHEW · 2011 to 2011
$9k
NIDA NIH HHS 1R21DA031952NIDA NIH HHS 1R21DA033543NIDA NIH HHS F31 DA029386NIDA NIH HHS F31DA029386NIDA NIH HHS R21 DA031952NIDA NIH HHS R21 DA033543NINDS NIH HHS 1R01NS059586NINDS NIH HHS R01 NS059586NINDS NIH HHS R01 NS076991
6 · The paper itself

Abstract

The type III RNAse, Dicer, is responsible for the processing of microRNA (miRNA) precursors into functional miRNA molecules, non-coding RNAs that bind to and target messenger RNAs for repression. Dicer expression is essential for mouse midbrain development and dopaminergic (DAergic) neuron maintenance and survival during the early post-natal period. However, the role of Dicer in adult mouse DAergic neuron maintenance and survival is unknown. To bridge this gap in knowledge, we selectively knocked-down Dicer expression in individual DAergic midbrain areas, including the ventral tegmental area (VTA) and substantia nigra pars compacta (SNpc) via viral-mediated expression of Cre in adult floxed Dicer knock-in mice (Dicer(flox/flox)). Bilateral Dicer loss in the VTA resulted in progressive hyperactivity that was significantly reduced by the dopamine agonist, amphetamine. In contrast, decreased Dicer expression in the SNpc did not affect locomotor activity but did induce motor-learning impairment on an accelerating rotarod. Knock-down of Dicer in both midbrain regions of adult Dicer(flox/flox) mice resulted in preferential, progressive loss of DAergic neurons likely explaining motor behavior phenotypes. In addition, knock-down of Dicer in midbrain areas triggered neuronal death via apoptosis. Together, these data indicate that Dicer expression and, as a consequence, miRNA function, are essential for DAergic neuronal maintenance and survival in adult midbrain DAergic neuron brain areas.

Indexed as

AmphetamineAnimalsApoptosisDEAD-box RNA HelicasesDopamine AgonistsDopaminergic NeuronsLearningLocomotionMesencephalonMiceOrgan SpecificityPhenotypeRibonuclease IIIAmphetamineDEAD-box RNA HelicasesDicer1 protein, mouseDopamine AgonistsRibonuclease IIIDicerDopamineMicroRNAMidbrainNeurodegeneration

Identifiers

PMID24184162
PMCPMC3944994
OpenAlexW2014447790

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.