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Targeted disruption of mammalian hairy and Enhancer of split homolog-1 (HES-1) leads to up-regulation of neural helix-loop-helix factors, premature neurogenesis, and severe neural tube defects.

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Ishibashi, M, Ang, S L, Shiota, K, Nakanishi, S, Kageyama, R, Guillemot, F·1995·Genes & Development

Abstract

Mammalian hairy and Enhancer of split homolog-1 (HES-1) encodes a helix-loop-helix (HLH) factor that is thought to act as a negative regulator of neurogenesis. To directly investigate the functions of HES-1 in mammalian embryogenesis, we performed a targeted disruption of the HES-1 locus. Mice homozygous for the mutation exhibited severe neurulation defects and died during gestation or just after birth. In the developing brain of HES-1-null embryos, expression of the neural differentiation factor Mash-1 and other neural HLH factors was up-regulated and postmitotic neurons appeared prematurely. These results suggest that HES-1 normally controls the proper timing of neurogenesis and regulates neural tube morphogenesis.

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Metadata

Authors
Ishibashi, M., Ang, S. L., Shiota, K., Nakanishi, S., Kageyama, R., & Guillemot, F.
Venue
Genes & Development
Published
1995-12-15
Volume
9
Issue
24
Pages
3136-3148
ISSN
  • 0890-9369 (ISSN-L)
  • 1549-5477
OpenAlex
W2091496842
Cited by
693
References
0
Type
posted content
Language
en
Open access
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CoChat. (2026). Citation check: Targeted disruption of mammalian hairy and Enhancer of split homolog-1 (HES-1) leads to up-regulation of neural helix-loop-helix factors, premature neurogenesis, and severe neural tube defects. https://app.cochat.ai/papers/10.1101/gad.9.24.3136
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Ishibashi, M., Ang, S. L., Shiota, K., Nakanishi, S., Kageyama, R., & Guillemot, F. (1995). Targeted disruption of mammalian hairy and Enhancer of split homolog-1 (HES-1) leads to up-regulation of neural helix-loop-helix factors, premature neurogenesis, and severe neural tube defects. Genes & Development. https://doi.org/10.1101/gad.9.24.3136

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