Cited by 546Redox biology and oxidative stressDevelopmental Biology and Gene RegulationReproductive Biology and Fertility

Early Embryonic Lethality Caused by Targeted Disruption of the Mouse Thioredoxin Gene

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Matsui, Minoru, Oshima, Masanobu, Oshima, Hiroko, Takaku, Kazuaki, Maruyama, Tetsuo, Yodoi, Junji, Taketo, Makoto M.·1996·Developmental Biology

Abstract

Thioredoxins belong to a widely distributed group of small proteins with strong reducing activities mediated by a consensus redox-active dithiol (Cys-Gly-Pro-Cys). Thioredoxin was first isolated as a hydrogen donor for enzymatic synthesis of deoxyribonucleotides by ribonucleotide reductase in Escherichia coli. Recent studies have revealed a variety of roles that thioredoxin plays in transcription, growth control, and immune function. In this report, we describe the phenotype of mice carrying a targeted disruption of the thioredoxin gene (Txn). Heterozygotes are viable, fertile, and appear normal. In contrast, homozygous mutants die shortly after implantation, and the concepti were resorbed prior to gastrulation. When preimplantation embryos were placed in culture, the inner cell mass cells of the homozygous embryos failed to proliferate. These results indicate that Txn expression is essential for early differentiation and morphogenesis of the mouse embryo.

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Crossref · 10.1006/dbio.1996.0208

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  • Both Trx1 and Trx2 appear to be essential, as complete deficiency of either subtype causes early embryonic lethality in mice.

    “Both Trx1 and Trx2 appear to be essential, as complete deficiency of either subtype causes early embryonic lethality in mice (280, 317).”

    From Redox regulation of mitochondrial function (2012) · cites this paper as [280]

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Authors
Matsui, M., Oshima, M., Oshima, H., Takaku, K., Maruyama, T., Yodoi, J., & Taketo, M. M.
Affiliations
Kyoto University (JP)
Venue
Developmental Biology
Publisher
Elsevier BV
Published
1996-08
Volume
178
Issue
1
Pages
179-185
ISSN
0012-1606 (ISSN-L)
OpenAlex
W1991387227
Cited by
546
References
0
Citations by year
2026: 10 · 2025: 10 · 2024: 7 · 2023: 15 · 2022: 16 · 2021: 12 · 2020: 10 · 2019: 18 · 2018: 13 · 2017: 22 · 2016: 14 · 2015: 24 · 2014: 26 · 2013: 18 · 2012: 25
FWCI
3.41
Type
journal article
Language
en
Open access
Locations
  • Developmental Biology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Redox biology and oxidative stress
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Reproductive Biology and Fertility
Keywords
thioredoxin, targeted gene disruption, mouse embryo, early embryonic lethality, preimplantation embryo, inner cell mass, embryo resorption, gastrulation, embryonic morphogenesis, embryonic differentiation
MeSH terms
Animals, Blastocyst, Cell Division, Decidua, Female, Embryonic and Fetal Development, Genes, Homozygote, Organ Culture Techniques, Phenotype, Thioredoxins, Mice, Knockout, Gene Targeting, Mice

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