Evidence map›Paper›PMID 19124651›Full record

ArticleThe Journal of cell biology2009

Progenitor cell proliferation in the retina is dependent on Notch-independent Sonic hedgehog/Hes1 activity.

Dana S Wall, Alan J Mears, Brian McNeill, Chantal Mazerolle, Sherry Thurig, Yaping Wang, Ryoichiro Kageyama, Valerie A Wallace

Open access · bronzeAbstract read
In one paragraph

Article in The Journal of cell biology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 119 papers.

0numbers the graph read from it
0cells of the map it votes in
119citing papers in PubMed
8.3field-weighted citation impact, top 2% 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

119 citing papers in PubMed, 205 citations in OpenAlex.

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59 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

8 authors at 2 institutions in 2 countries.

Dana S WallOttawa Health Research Institute, Ottawa, Ontario, Canada.
Alan J Mears
Brian McNeill
Chantal Mazerolle
Sherry Thurig
Yaping Wang
Ryoichiro Kageyama
Valerie A Wallace
University of Ottawa · CAKyoto University · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Sonic hedgehog (Shh) is an indispensable, extrinsic cue that regulates progenitor and stem cell behavior in the developing and adult mammalian central nervous system. Here, we investigate the link between the Shh signaling pathway and Hes1, a classical Notch target. We show that Shh-driven stabilization of Hes1 is independent of Notch signaling and requires the Shh effector Gli2. We identify Gli2 as a primary mediator of this response by showing that Gli2 is required for Hh (Hedgehog)-dependent up-regulation of Hes1. We also show using chromatin immunoprecipitation that Gli2 binds to the Hes1 promoter, which suggests that Hes1 is a Hh-dependent direct target of Gli2 signaling. Finally, we show that Shh stimulation of progenitor proliferation and cell diversification requires Gli2 and Hes1 activity. This paper is the first demonstration of the mechanistic and functional link between Shh, Gli, and Hes1 in the regulation of progenitor cell behavior.

Indexed as

AnimalsBasic Helix-Loop-Helix ProteinsCell DifferentiationCell ProliferationHedgehog ProteinsHomeodomain ProteinsImmunoglobulin J Recombination Signal Sequence-Binding ProteinKruppel-Like Transcription FactorsMiceMice, TransgenicProtein Structure, TertiaryReceptors, NotchRepressor ProteinsRetinaRNA, MessengerSignal TransductionBasic Helix-Loop-Helix ProteinsGli2 protein, mouseHedgehog ProteinsHes1 protein, mouseHes5 protein, mouseHomeodomain ProteinsImmunoglobulin J Recombination Signal Sequence-Binding ProteinKruppel-Like Transcription FactorsRbpj protein, mouseReceptors, NotchRepressor ProteinsRNA, MessengerShh protein, mouseTranscription Factor HES-1Zinc Finger Protein Gli2

Identifiers

PMID19124651
PMCPMC2615087
OpenAlexW2071255383

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-SA
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.