Cited by 69Pluripotent Stem Cells ResearchDevelopmental Biology and Gene RegulationEpigenetics and DNA Methylation

Sox2 acts through Sox21 to regulate transcription in pluripotent and differentiated cells

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Kuzmichev, Andrey N., Kim, Suel-Kee, D’Alessio, Ana C., Chenoweth, Josh G., Wittko, Ina M., Campanati, Loraine, McKay, Ronald D.·2012·Current Biology

Abstract

Sox2 is an important transcriptional regulator in embryonic and adult stem cells. Recently, Sox2 was identified as an oncogene in many endodermal cancers, including colon cancer. There is great interest in how Sox2 cooperates with other transcription factors to regulate stem cell renewal, differentiation, and reprogramming. However, we still lack a general understanding of Sox2 transcriptional action. To determine transcriptional partners of Sox2 in adult cells, we generated mice where gene expression could be induced by an externally applied stimulus. We analyzed the consequences in the intestine where cell turnover is rapid. Sox2 expression, but not Oct4, specifically increased the numbers of stem cells and repressed Cdx2, a master regulator of endodermal identity. In vivo studies demonstrated that Sox21, another member of the SoxB gene family, was a specific, immediate, and cell-autonomous target of Sox2 in intestinal stem cells. In vitro experiments showed that Sox21 was sufficient to repress Cdx2 in colon cancer cells and in pluripotent stem cells. Sox21 was also specifically induced by Sox2 in fibroblasts and inhibition of Sox21 blocked reprogramming to the pluripotent state. These results show that transcriptional induction of Sox21 is a rapid and general mediator of the effects of Sox2 on cell identity in a wide range of cell types.

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Crossref · 10.1016/j.cub.2012.07.013

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Authors
Kuzmichev, A. N., Kim, S.-K., D’Alessio, A. C., Chenoweth, J. G., Wittko, I. M., Campanati, L., & McKay, R. D.
Affiliations
  • National Institutes of Health (US)
  • Lieber Institute for Brain Development (US)
Corresponding author
McKay, Ronald D.
Venue
Current Biology
Publisher
Elsevier BV
Published
2012-09
Volume
22
Issue
18
Pages
1705-1710
ISSN
0960-9822 (ISSN-L)
OpenAlex
W2094663221
Cited by
69
References
50
Citations by year
2026: 1 · 2025: 1 · 2024: 7 · 2023: 8 · 2022: 6 · 2021: 4 · 2020: 2 · 2019: 4 · 2018: 5 · 2017: 3 · 2016: 7 · 2015: 6 · 2014: 9 · 2013: 6
FWCI
2.70
Type
journal article
Language
en
Open access
Locations
  • Current Biology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health
  • National Institute of Mental Health
  • National Institute of Neurological Disorders and Stroke
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Pluripotent Stem Cells Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Epigenetics and DNA Methylation
Keywords
SOX2, Sox21, transcriptional regulation, intestinal stem cells, colon cancer, pluripotency reprogramming, Oct4, cell identity, fibroblasts, stem cell self-renewal
MeSH terms
CDX2 Transcription Factor, Animals, Cell Differentiation, Cell Line, Colonic Neoplasms, Fibroblasts, Gene Expression Regulation, Intestinal Mucosa, Intestines, Mice, Transgenic, Transcription Factors, Transcription, Genetic, Transcriptional Activation, Homeodomain Proteins, Pluripotent Stem Cells, Octamer Transcription Factor-3, Mice, SOXB1 Transcription Factors, SOXB2 Transcription Factors

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