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Ephrin-B1 forward and reverse signaling are required during mouse development

Open access
Davy, Alice, Aubin, Josée, Soriano, Philippe·2004·Genes & Development

Abstract

Eph receptors and ephrin ligands are key players in many developmental processes including embryo patterning, angiogenesis, and axon guidance. Eph/ephrin interactions lead to the generation of a bidirectional signal, in which both the Eph receptors and the ephrins activate downstream signaling cascades simultaneously. To understand the role of ephrin-B1 and the importance of ephrin-B1-induced reverse signaling during embryonic development, we have generated mouse lines carrying mutations in the efnb1 gene. Complete ablation of ephrin-B1 resulted in perinatal lethality associated with a range of phenotypes, including defects in neural crest cell (NCC)-derived tissues, incomplete body wall closure, and abnormal skeletal patterning. Conditional deletion of ephrin-B1 demonstrated that ephrin-B1 acts autonomously in NCCs, and controls their migration. Last, a mutation in the PDZ binding domain indicated that ephrin-B1-induced reverse signaling is required in NCCs. Our results demonstrate that ephrin-B1 acts both as a ligand and as a receptor in a tissue-specific manner during embryogenesis.

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Metadata

Authors
Davy, A., Aubin, J., & Soriano, P.
Venue
Genes & Development
Published
2004-03-01
Volume
18
Issue
5
Pages
572-583
ISSN
  • 0890-9369 (ISSN-L)
  • 1549-5477
OpenAlex
W2043713881
Cited by
288
References
3
Type
posted content
Language
en
Open access
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CoChat. (2026). Citation check: Ephrin-B1 forward and reverse signaling are required during mouse development. https://app.cochat.ai/papers/10.1101/gad.1171704
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Davy, A., Aubin, J., & Soriano, P. (2004). Ephrin-B1 forward and reverse signaling are required during mouse development. Genes & Development. https://doi.org/10.1101/gad.1171704

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