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The DOI matches its Crossref record; 11 of the 11 references it cites were found in a registry or an index.

HIF-2α regulates Oct-4: effects of hypoxia on stem cell function, embryonic development, and tumor growth

Open access
Covello, Kelly L., Kehler, James, Yu, Hongwei, Gordan, John D., Arsham, Andrew M., Hu, Cheng-Jun, Labosky, Patricia A., Simon, M. Celeste, Keith, Brian·2006·Genes & Development

Abstract

The division, differentiation, and function of stem cells and multipotent progenitors are influenced by complex signals in the microenvironment, including oxygen availability. Using a genetic “knock-in” strategy, we demonstrate that targeted replacement of the oxygen-regulated transcription factor HIF-1α with HIF-2α results in expanded expression of HIF-2α-specific target genes including Oct-4, a transcription factor essential for maintaining stem cell pluripotency. We show that HIF-2α, but not HIF-1α, binds to the Oct-4 promoter and induces Oct-4 expression and transcriptional activity, thereby contributing to impaired development in homozygous Hif-2 α KI/KI embryos, defective hematopoietic stem cell differentiation in embryoid bodies, and large embryonic stem cell (ES)-derived tumors characterized by altered cellular differentiation. Furthermore, loss of HIF-2α severely reduces the number of embryonic primordial germ cells, which require Oct-4 expression for survival and/or maintenance. These results identify Oct-4 as a HIF-2α-specific target gene and indicate that HIF-2α can regulate stem cell function and/or differentiation through activation of Oct-4, which in turn contributes to HIF-2α's tumor promoting activity.

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Metadata

Authors
Covello, K. L., Kehler, J., Yu, H., Gordan, J. D., Arsham, A. M., Hu, C.-J., Labosky, P. A., Simon, M. C., & Keith, B.
Venue
Genes & Development
Published
2006-03-01
Volume
20
Issue
5
Pages
557-570
ISSN
  • 0890-9369 (ISSN-L)
  • 1549-5477
OpenAlex
W2105925116
Cited by
821
References
11
Type
posted content
Language
en
Open access
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CoChat. (2026). Citation check: HIF-2α regulates Oct-4: effects of hypoxia on stem cell function, embryonic development, and tumor growth. https://app.cochat.ai/papers/10.1101/gad.1399906
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Covello, K. L., Kehler, J., Yu, H., Gordan, J. D., Arsham, A. M., Hu, C.-J., Labosky, P. A., Simon, M. C., & Keith, B. (2006). HIF-2α regulates Oct-4: effects of hypoxia on stem cell function, embryonic development, and tumor growth. Genes & Development. https://doi.org/10.1101/gad.1399906

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