Cited by 624Developmental Biology and Gene RegulationCancer Cells and MetastasisTGF-β signaling in diseases

The Mouse Snail Gene Encodes a Key Regulator of the Epithelial-Mesenchymal Transition

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Carver, Ethan A., Jiang, Rulang, Lan, Yu, Oram, Kathleen F., Gridley, Thomas·2001·Molecular and Cellular Biology

Abstract

Snail family genes encode DNA binding zinc finger proteins that act as transcriptional repressors. Mouse embryos deficient for the Snail (Sna) gene exhibit defects in the formation of the mesoderm germ layer. In Sna(-/-) mutant embryos, a mesoderm layer forms and mesodermal marker genes are induced but the mutant mesoderm is morphologically abnormal. Lacunae form within the mesoderm layer of the mutant embryos, and cells lining these lacunae retain epithelial characteristics. These cells resemble a columnar epithelium and have apical-basal polarity, with microvilli along the apical surface and intercellular electron-dense adhesive junctions that resemble adherens junctions. E-cadherin expression is retained in the mesoderm of the Sna(-/-) embryos. These defects are strikingly similar to the gastrulation defects observed in snail-deficient Drosophila embryos, suggesting that the mechanism of repression of E-cadherin transcription by Snail family proteins may have been present in the metazoan ancestor of the arthropod and mammalian lineages.

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Crossref · 10.1128/mcb.21.23.8184-8188.2001

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Authors
Carver, E. A., Jiang, R., Lan, Y., Oram, K. F., & Gridley, T.
Affiliations
Jackson Laboratory (US)
Corresponding author
Gridley, Thomas
Venue
Molecular and Cellular Biology
Published
2001-12-01
Volume
21
Issue
23
Pages
8184-8188
ISSN
  • 0270-7306 (ISSN-L)
  • 1098-5549
OpenAlex
W2165987163
Cited by
624
References
33
Citations by year
2026: 4 · 2025: 11 · 2024: 18 · 2023: 16 · 2022: 19 · 2021: 27 · 2020: 25 · 2019: 16 · 2018: 25 · 2017: 23 · 2016: 30 · 2015: 31 · 2014: 31 · 2013: 31 · 2012: 47
FWCI
6.98
Type
journal article
Language
en
Open access
Locations
  • Molecular and Cellular Biology (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • The Mouseion at the JAXlibrary (Jackson Laboratory) (submittedVersion)
Funders
  • National Cancer Institute (#CA34196, CA-09217, T32CA009217, P30CA034196)
  • National Institute of Dental and Craniofacial Research (DE13078, P60DE013078)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (HD34883, R01HD034883)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
  • Health Sciences › Medicine › Oncology › Cancer Cells and Metastasis
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › TGF-β signaling in diseases
Keywords
epithelial-mesenchymal transition, mesoderm formation, E-cadherin repression, transcriptional repression, zinc finger proteins, apical-basal polarity, adherens junctions, mouse embryo, Drosophila, germ layer patterning
MeSH terms
Abnormalities, Multiple, Snail Family Transcription Factors, Animals, DNA-Binding Proteins, Embryo, Mammalian, Epithelium, Mesoderm, Mice, Mutant Strains, Phenotype, RNA, Messenger, Transcription Factors, Cadherins, Zinc Fingers, Mice, Knockout, Gene Targeting, Embryo Loss, Adherens Junctions, Mice

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