Evidence map›Paper›PMID 23575857›Full record

ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience2013

Immature doublecortin-positive hippocampal neurons are important for learning but not for remembering.

Jana Vukovic, Gilyana G Borlikova, Marc J Ruitenberg, Gregory J Robinson, Robert K P Sullivan, Tara L Walker, Perry F Bartlett

Abstract read
In one paragraph

Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 73 papers.

0numbers the graph read from it
0cells of the map it votes in
73citing papers in PubMed
–field-weighted citation impact
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

73 citing papers in PubMed.

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13 more citing papers are in PubMed but not listed here.

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

7 authors.

Jana VukovicQueensland Brain Institute, The University of Queensland, Brisbane, Queensland 4072, Australia.
Gilyana G Borlikova
Marc J Ruitenberg
Gregory J Robinson
Robert K P Sullivan
Tara L Walker
Perry F Bartlett

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

It is now widely accepted that hippocampal neurogenesis underpins critical cognitive functions, such as learning and memory. To assess the behavioral importance of adult-born neurons, we developed a novel knock-in mouse model that allowed us to specifically and reversibly ablate hippocampal neurons at an immature stage. In these mice, the diphtheria toxin receptor (DTR) is expressed under control of the doublecortin (DCX) promoter, which allows for specific ablation of immature DCX-expressing neurons after administration of diphtheria toxin while leaving the neural precursor pool intact. Using a spatially challenging behavioral test (a modified version of the active place avoidance test), we present direct evidence that immature DCX-expressing neurons are required for successful acquisition of spatial learning, as well as reversal learning, but are not necessary for the retrieval of stored long-term memories. Importantly, the observed learning deficits were rescued as newly generated immature neurons repopulated the granule cell layer upon termination of the toxin treatment. Repeat (or cyclic) depletion of immature neurons reinstated behavioral deficits if the mice were challenged with a novel task. Together, these findings highlight the potential of stimulating neurogenesis as a means to enhance learning.

Indexed as

AnimalsAvoidance LearningCells, CulturedCerebral CortexCytoskeletal ProteinsDoublecortin Domain ProteinsDoublecortin ProteinGene Knock-In TechniquesHeparin-binding EGF-like Growth FactorHippocampusIntercellular Signaling Peptides and ProteinsMaleMemoryMemory, Long-TermMiceMice, Inbred C57BLactivity regulated cytoskeletal-associated proteinCytoskeletal ProteinsDcx protein, mouseDoublecortin Domain ProteinsDoublecortin ProteinHbegf protein, mouseHeparin-binding EGF-like Growth FactorIntercellular Signaling Peptides and ProteinsMicrotubule-Associated ProteinsNerve Tissue ProteinsNeuropeptides

Identifiers

PMID23575857
PMCPMC6619068

What OpenQuestion holds

Textmetadata
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.