Cited by 45Developmental Biology and Gene RegulationRetinal Development and DisordersNeurogenesis and neuroplasticity mechanisms

Relationship between Delta-like and proneural bHLH genes during chick retinal development

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Nelson, Branden R., Reh, Thomas A.·2008·Developmental Dynamics

Abstract

Notch signaling in the retina maintains a pool of progenitor cells throughout retinogenesis. However, two Notch‐ligands from the Delta‐like gene family, Dll1 and Dll4, are present in the developing retina. To understand their relationship, we characterized Dll1 and Dll4 expression with respect to proliferating progenitor cells and newborn neurons in the chick retina. Dll4 matched the pattern of neural differentiation. By contrast, Dll1 was primarily expressed in progenitor cells. We compared Dll1 and Dll4 kinetic profiles with that of the transiently up‐regulated cascade of proneural basic helix–loop–helix (bHLH) genes after synchronized progenitor cell differentiation, which suggested a potential role for Ascl1 in the regulation of Delta‐like genes. Gain‐of‐function assays demonstrate that Ascl1 does influence Delta‐like gene expression and Notch signaling activity. These data suggest that multiple sources of Notch signaling from newborn neurons and progenitors themselves coordinate retinal histogenesis. Developmental Dynamics 237:1565–1580, 2008. © 2008 Wiley‐Liss, Inc.

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Authors
Nelson, B. R., & Reh, T. A.
Affiliations
University of Washington (US)
Corresponding author
Nelson, Branden R.
Venue
Developmental Dynamics
Publisher
Wiley
Published
2008-04-24
Volume
237
Issue
6
Pages
1565-1580
ISSN
  • 1058-8388 (ISSN-L)
  • 1097-0177
OpenAlex
W2025555096
Cited by
45
References
96
Citations by year
2025: 3 · 2024: 1 · 2023: 1 · 2022: 1 · 2021: 1 · 2020: 2 · 2019: 1 · 2018: 1 · 2017: 1 · 2016: 1 · 2015: 4 · 2014: 3 · 2013: 4 · 2012: 4
FWCI
2.33
Type
journal article
Language
en
Open access
Locations
  • Developmental Dynamics (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (IA 52242)
  • Directorate for Biological Sciences
  • National Eye Institute (EY13475, R01EY013475, F32EY015631, F32 EY15631-01A1)
  • National Institute of Neurological Disorders and Stroke (R01NS028308)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Retinal Development and Disorders
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
Keywords
Delta-like ligands, DLL1, DLL4, Notch signaling, retinal development, ASCL1, retinal progenitor cells, neuronal differentiation, chick embryo, gene expression kinetics, gain-of-function
MeSH terms
Amino Acid Sequence, Animals, Animals, Newborn, Cell Differentiation, Chick Embryo, Chickens, Membrane Proteins, Molecular Sequence Data, Neurons, Retina, Stem Cells, Sequence Homology, Amino Acid, Gene Expression Regulation, Developmental, Intracellular Signaling Peptides and Proteins, Receptors, Notch

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