Evidence map›Paper›PMID 17000779›Full record

ArticleMolecular and cellular biology2006

Mediator modulates Gli3-dependent Sonic hedgehog signaling.

Haiying Zhou, Seokjoong Kim, Shunsuke Ishii, Thomas G Boyer

Open access · greenAbstract read
In one paragraph

Article in Molecular and cellular biology, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 82 papers.

0numbers the graph read from it
0cells of the map it votes in
82citing 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

82 citing papers in PubMed, 121 citations in OpenAlex.

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22 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

4 authors at 2 institutions in 2 countries.

Haiying ZhouDepartment of Molecular Medicine, Institute of Biotechnology, The University of Texas Health Science Center at San Antonio, 15355 Lambda Drive, San Antonio, TX 78245-3207, USA.
Seokjoong Kim
Shunsuke Ishii
Thomas G Boyer
The University of Texas Health Science Center at San Antonio · USLaboratory of Molecular Genetics · PL

Funding

STRUCTURAL BASIS OF REPAIR ENZYME INTERACTIONS WITH DNAF32CA009083 · NCI · UNIVERSITY OF VERMONT &ST AGRIC COLLEGE · PI GLACKIN, MARY P · 1991 to 1993
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NCI NIH HHS CA 09083-01
6 · The paper itself

Abstract

The physiological and pathological manifestations of Sonic hedgehog (Shh) signaling arise from the specification of unique transcriptional programs dependent upon key nuclear effectors of the Ci/Gli family of transcription factors. However, the underlying mechanism by which Gli proteins regulate target gene transcription in the nucleus remains poorly understood. Here, we identify and characterize a physical and functional interaction between Gli3 and the MED12 subunit within the RNA polymerase II transcriptional Mediator. We show that Gli3 binds to MED12 and intact Mediator both in vitro and in vivo through a Gli3 transactivation domain (MBD; MED12/Mediator-binding domain) whose activity derives from concerted functional interactions with both Mediator and the histone acetyltransferase CBP. Analysis of MBD truncation mutants revealed an excellent correlation between the in vivo activation strength of an MBD derivative and its ability to bind MED12 and intact Mediator in vitro, indicative of a critical functional interaction between the Gli3 MBD and the MED12 interface in Mediator. Disruption of the Gli3-MED12 interaction through dominant-negative interference inhibited, while RNA interference-mediated MED12 depletion enhanced, both MBD transactivation function and Gli3 target gene induction in response to Shh signaling. We propose that activated Gli3 physically targets the MED12 interface within Mediator in order to functionally reverse Mediator-dependent suppression of Shh target gene transcription. These findings thus link MED12 to the modulation of Gli3-dependent Shh signaling and further implicate Mediator in a broad range of developmental and pathological processes driven by Shh signal transduction.

Indexed as

Signal TransductionAdaptor Proteins, Signal TransducingAmino Acid SequenceCell Cycle ProteinsDNA-Binding ProteinsEscherichia coliGenes, ReporterGlutathione TransferaseHedgehog ProteinsHeLa CellsHumansKruppel-Like Transcription FactorsLuciferasesMediator ComplexModels, BiologicalMolecular Sequence DataAdaptor Proteins, Signal TransducingCell Cycle ProteinsDNA-Binding ProteinsGLI3 protein, humanGlutathione TransferaseHedgehog ProteinsKruppel-Like Transcription FactorsLuciferasesMDC1 protein, humanMED12 protein, humanMediator ComplexNerve Tissue ProteinsNuclear ProteinsProtein SubunitsReceptors, Thyroid HormoneRecombinant Fusion ProteinsSHH protein, humanTrans-ActivatorsZinc Finger Protein Gli3

Identifiers

PMID17000779
PMCPMC1636813
OpenAlexW2125649458

What OpenQuestion holds

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Registered trials

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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.