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Cited by 532

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Haploinsufficient lethality and formation of arteriovenous malformations in Notch pathway mutants

Open access
Krebs, Luke T., Shutter, John R., Tanigaki, Kenji, Honjo, Tasuku, Stark, Kevin L., Gridley, Thomas·2004·Genes & Development

Abstract

The Notch signaling pathway is essential for embryonic vascular development in vertebrates. Here we show that mouse embryos heterozygous for a targeted mutation in the gene encoding the DLL4 ligand exhibit haploinsufficient lethality because of defects in vascular remodeling. We also describe vascular defects in embryos homozygous for a mutation in the Rbpsuh gene, which encodes the primary transcriptional mediator of Notch signaling. Conditional inactivation of Rpbsuh function demonstrates that Notch activation is essential in the endothelial cell lineage. Notch pathway mutant embryos exhibit defects in arterial specification of nascent blood vessels and develop arteriovenous malformations. These results demonstrate that vascular remodeling in the mouse embryo is sensitive to Dll4 gene dosage and that Notch activation in endothelial cells is essential for embryonic vascular remodeling.

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Metadata

Authors
Krebs, L. T., Shutter, J. R., Tanigaki, K., Honjo, T., Stark, K. L., & Gridley, T.
Venue
Genes & Development
Published
2004-10-01
Volume
18
Issue
20
Pages
2469-2473
ISSN
  • 0890-9369 (ISSN-L)
  • 1549-5477
OpenAlex
W2100979164
Cited by
532
References
1
Type
posted content
Language
en
Open access
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CoChat. (2026). Citation check: Haploinsufficient lethality and formation of arteriovenous malformations in Notch pathway mutants. https://app.cochat.ai/papers/10.1101/gad.1239204
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Krebs, L. T., Shutter, J. R., Tanigaki, K., Honjo, T., Stark, K. L., & Gridley, T. (2004). Haploinsufficient lethality and formation of arteriovenous malformations in Notch pathway mutants. Genes & Development. https://doi.org/10.1101/gad.1239204

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