Evidence map›Paper›PMID 21856776›Full record

ArticleGenes & development2011

A novel mechanism for the transcriptional regulation of Wnt signaling in development.

Tomas Vacik, Jennifer L Stubbs, Greg Lemke

Open access · diamondAbstract read
In one paragraph

Article in Genes & development, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 48 papers.

0numbers the graph read from it
0cells of the map it votes in
48citing 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

48 citing papers in PubMed, 74 citations in OpenAlex.

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  11. AlternativeFrontiers in immunology · 2020
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

3 authors at 1 institution in 1 country.

Tomas VacikMolecular Neurobiology Laboratory, The Salk Institute, La Jolla, California 92037, USA.
Jennifer L Stubbs
Greg Lemke
Salk Institute for Biological Studies · US

Funding

Eye Development: Genetic StudiesR01EY017478 · NEI · SALK INSTITUTE FOR BIOLOGICAL STUDIES · PI LEMKE, GREG E · 2006 to 2013
$4.0M
NEI NIH HHS EY017478NEI NIH HHS R01 EY017478
6 · The paper itself

Abstract

Axial patterning of the embryonic brain requires a precise balance between canonical Wnt signaling, which dorsalizes the nervous system, and Sonic hedgehog (Shh), which ventralizes it. The ventral anterior homeobox (Vax) transcription factors are induced by Shh and ventralize the forebrain through a mechanism that is poorly understood. We therefore sought to delineate direct Vax target genes. Among these, we identify an extraordinarily conserved intronic region within the gene encoding Tcf7l2, a key mediator of canonical Wnt signaling. This region functions as a Vax2-activated internal promoter that drives the expression of dnTcf7l2, a truncated Tcf7l2 isoform that cannot bind β-catenin and that therefore acts as a potent dominant-negative Wnt antagonist. Vax2 concomitantly activates the expression of additional Wnt antagonists that cooperate with dnTcf7l2. Specific elimination of dnTcf7l2 in Xenopus results in headless embryos, a phenotype consistent with a fundamental role for this regulator in forebrain development.

Indexed as

Gene Expression Regulation, DevelopmentalSignal TransductionAnimalsBiological EvolutionConserved SequenceEyeGene Knockdown TechniquesHEK293 CellsHomeodomain ProteinsHumansIntronsPhenotypeProtein BindingRNA, MessengerTranscription Factor 7-Like 2 ProteinWnt ProteinsHomeodomain ProteinsRNA, Messengertcf7l2 protein, XenopusTranscription Factor 7-Like 2 Proteinvax2 protein, XenopusWnt ProteinsXenopus Proteins

Identifiers

PMID21856776
PMCPMC3175715
OpenAlexW2105630842

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.