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Regulation of embry...
Regulation of embryonic and induced pluripotency by aurora kinase-p53 signaling.
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Lee, Dung-Fang (author)
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Su, Jie (author)
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Ang, Yen-Sin (author)
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Carvajal-Vergara, Xonia (author)
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Mulero-Navarro, Sonia (author)
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Pereira, Carlos F (author)
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Gingold, Julian (author)
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Wang, Hung-Liang (author)
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Zhao, Ruiying (author)
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Sevilla, Ana (author)
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Darr, Henia (author)
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Williamson, Andrew J K (author)
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Chang, Betty (author)
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Niu, Xiaohong (author)
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Aguilo, Francesca (author)
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Flores, Elsa R (author)
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Sher, Yuh-Pyng (author)
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Hung, Mien-Chie (author)
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Whetton, Anthony D (author)
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Gelb, Bruce D (author)
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Moore, Kateri A (author)
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Snoeck, Hans-Willem (author)
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Ma'ayan, Avi (author)
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Schaniel, Christoph (author)
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Lemischka, Ihor R (author)
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- Elsevier BV, 2012
- 2012
- English.
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In: Cell Stem Cell. - : Elsevier BV. - 1934-5909 .- 1875-9777. ; 11:2
- Related links:
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http://www.cell.com/...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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- Many signals must be integrated to maintain self-renewal and pluripotency in embryonic stem cells (ESCs) and to enable induced pluripotent stem cell (iPSC) reprogramming. However, the exact molecular regulatory mechanisms remain elusive. To unravel the essential internal and external signals required for sustaining the ESC state, we conducted a short hairpin (sh) RNA screen of 104 ESC-associated phosphoregulators. Depletion of one such molecule, aurora kinase A (Aurka), resulted in compromised self-renewal and consequent differentiation. By integrating global gene expression and computational analyses, we discovered that loss of Aurka leads to upregulated p53 activity that triggers ESC differentiation. Specifically, Aurka regulates pluripotency through phosphorylation-mediated inhibition of p53-directed ectodermal and mesodermal gene expression. Phosphorylation of p53 not only impairs p53-induced ESC differentiation but also p53-mediated suppression of iPSC reprogramming. Our studies demonstrate an essential role for Aurka-p53 signaling in the regulation of self-renewal, differentiation, and somatic cell reprogramming.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Cell- och molekylärbiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Cell and Molecular Biology (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Lee, Dung-Fang
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Su, Jie
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Ang, Yen-Sin
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Carvajal-Vergara ...
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Mulero-Navarro, ...
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Pereira, Carlos ...
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show more...
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Gingold, Julian
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Wang, Hung-Liang
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Zhao, Ruiying
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Sevilla, Ana
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Darr, Henia
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Williamson, Andr ...
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Chang, Betty
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Niu, Xiaohong
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Aguilo, Francesc ...
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Flores, Elsa R
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Sher, Yuh-Pyng
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Hung, Mien-Chie
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Whetton, Anthony ...
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Gelb, Bruce D
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Moore, Kateri A
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Snoeck, Hans-Wil ...
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Ma'ayan, Avi
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Schaniel, Christ ...
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Lemischka, Ihor ...
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show less...
- About the subject
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Basic Medicine
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and Cell and Molecul ...
- Articles in the publication
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Cell Stem Cell
- By the university
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Umeå University