Evidence map›Paper›PMID 19191219›Full record

ArticleDevelopmental dynamics : an official publication of the American Association of Anatomists2009

Acheate-scute like 1 (Ascl1) is required for normal delta-like (Dll) gene expression and notch signaling during retinal development.

Branden R Nelson, Byron H Hartman, Catherine A Ray, Toshinori Hayashi, Olivia Bermingham-McDonogh, Thomas A Reh

Open access · bronzeAbstract read
In one paragraph

Article in Developmental dynamics : an official publication of the American Association of Anatomists, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 57 papers.

0numbers the graph read from it
0cells of the map it votes in
57citing papers in PubMed
2.0field-weighted citation impact, top 14% 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

57 citing papers in PubMed, 96 citations in OpenAlex.

  1. Article
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  3. A 5-HT-mediated urethral defense against urinary tract infections.Proceedings of the National Academy of Sciences of the United States of America · 2025
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  14. Clinical and morphological features of large-cell neuroendocrine carcinomas and small-cell lung carcinomas expressing the DLL3 and ASCL1 oncoproteins.Brazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologica · 2023
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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 1 institution in 1 country.

Branden R NelsonDepartment of Biological Structure, School of Medicine, University of Washington, Seattle, Washington 98195, USA. branden.nelson@seattlechildrens.org
Byron H Hartman
Catherine A Ray
Toshinori Hayashi
Olivia Bermingham-McDonogh
Thomas A Reh
University of Washington · US

Funding

INTERDISCIPLINARY TRAINING IN DEVELOPMENTAL BIOLOGYT32HD007183 · NICHD · UNIVERSITY OF WASHINGTON · PI RAIBLE, DAVID W · 1985 to 2015
$5.7M
Stem Cells in the RetinaR01EY013475 · NEI · UNIVERSITY OF WASHINGTON · PI REH, THOMAS A · 2002 to 2010
$3.5M
Mechanisms of Retinal Ganglion Cell PatterningF32EY015631 · NEI · UNIVERSITY OF WASHINGTON · PI NELSON, BRANDEN R · 2004 to 2007
$142k
NEI NIH HHS EY13475NEI NIH HHS F32 EY015631NEI NIH HHS F32 EY15631NEI NIH HHS R01 EY013475NICHD NIH HHS T32 HD007183
6 · The paper itself

Abstract

Delta gene expression in Drosophila is regulated by proneural basic helix-loop-helix (bHLH) transcription factors, such as acheate-scute. In vertebrates, multiple Delta-like and proneural bHLH genes are expressed during neurogenesis, especially in the retina. We recently uncovered a relationship between Acheate-scute like 1 (Ascl1), Delta-like genes, and Notch in chick retinal progenitors. Here, we report that mammalian retinal progenitors are also the primary source of Delta-like genes, likely signaling through Notch among themselves, while differentiating neurons expressed Jagged2. Ascl1 is coexpressed in Delta-like and Notch active progenitors, and required for normal Delta-like gene expression and Notch signaling. We also reveal a role for Ascl1 in the regulation of Hes6, a proneurogenic factor that inhibits Notch signaling to promote neural rather than glial differentiation. Thus, these results suggest a molecular mechanism whereby attenuated Notch levels coupled with reduced proneurogenic activity in progenitors leads to increased gliogenesis and decreased neurogenesis in the Ascl1-deficient retina.

Indexed as

Adaptor Proteins, Signal TransducingAnimalsBasic Helix-Loop-Helix ProteinsCalcium-Binding ProteinsCell DifferentiationDrosophila ProteinsEyeGene Expression Regulation, DevelopmentalIn Situ HybridizationIntercellular Signaling Peptides and ProteinsIntracellular Signaling Peptides and ProteinsJagged-1 ProteinJagged-2 ProteinMembrane ProteinsMiceMice, Inbred C57BLAdaptor Proteins, Signal TransducingAscl1 protein, mouseBasic Helix-Loop-Helix ProteinsCalcium-Binding ProteinsDlk1 protein, mouseDll3 protein, mouseDLL4 protein, mouseDrosophila ProteinsHes6 protein, mouseIntercellular Signaling Peptides and ProteinsIntracellular Signaling Peptides and ProteinsJag2 protein, mouseJagged-1 ProteinJagged-2 ProteinMembrane ProteinsNerve Tissue ProteinsNeurog2 protein, mouseReceptors, NotchRepressor ProteinsSer protein, DrosophilaSerrate-Jagged Proteins

Identifiers

PMID19191219
PMCPMC2905851
OpenAlexW2130411917

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.