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Transcriptional enhancer factor 1 disruption by a retroviral gene trap leads to heart defects and embryonic lethality in mice.

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Chen, Z, Friedrich, G A, Soriano, P·1994·Genes & Development

Abstract

We have used a retroviral gene trap in embryonic stem (ES) cells to derive a recessive embryonic lethal mouse strain, ROSA beta-geo5. Mutant embryos display an enlarged pericardial cavity, bradycardia, a dilated fourth ventricle in the brain, and die between embryonic days 11 and 12. Whereas heart development in the mutant embryos is extensive, the ventricular wall is abnormally thin with a reduced number of trabeculae. Cloning of the trapped gene indicates that proviral insertion creates a null mutation in the transcriptional enhancer factor 1 (TEF-1) gene. Although transcription of a number of muscle-specific genes believed to be TEF-1 targets appears normal, the defect in cardiogenesis is likely attributable to diminished transcription of one or several cardiac-specific genes.

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Metadata

Authors
Chen, Z., Friedrich, G. A., & Soriano, P.
Venue
Genes & Development
Published
1994-10-01
Volume
8
Issue
19
Pages
2293-2301
ISSN
  • 0890-9369 (ISSN-L)
  • 1549-5477
OpenAlex
W2056311227
Cited by
331
References
0
Type
posted content
Language
en
Open access
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CoChat. (2026). Citation check: Transcriptional enhancer factor 1 disruption by a retroviral gene trap leads to heart defects and embryonic lethality in mice. https://app.cochat.ai/papers/10.1101/gad.8.19.2293
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Chen, Z., Friedrich, G. A., & Soriano, P. (1994). Transcriptional enhancer factor 1 disruption by a retroviral gene trap leads to heart defects and embryonic lethality in mice. Genes & Development. https://doi.org/10.1101/gad.8.19.2293

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