Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.stem.2008.08.004
Title: Sall4 Regulates Distinct Transcription Circuitries in Different Blastocyst-Derived Stem Cell Lineages
Authors: Lim, C.Y.
Tam, W.-L.
Zhang, J.
Ang, H.S.
Jia, H.
Lipovich, L.
Ng, H.-H. 
Wei, C.-L.
Sung, W.K.
Robson, P.
Yang, H.
Lim, B.
Keywords: STEMCELL
Issue Date: 6-Nov-2008
Citation: Lim, C.Y., Tam, W.-L., Zhang, J., Ang, H.S., Jia, H., Lipovich, L., Ng, H.-H., Wei, C.-L., Sung, W.K., Robson, P., Yang, H., Lim, B. (2008-11-06). Sall4 Regulates Distinct Transcription Circuitries in Different Blastocyst-Derived Stem Cell Lineages. Cell Stem Cell 3 (5) : 543-554. ScholarBank@NUS Repository. https://doi.org/10.1016/j.stem.2008.08.004
Abstract: Stem cells self-renew or differentiate under the governance of a stem-cell-specific transcriptional program, with each transcription factor orchestrating the activities of a particular set of genes. Here we demonstrate that a single transcription factor is able to regulate distinct core circuitries in two different blastocyst-derived stem cell lines, embryonic stem cells (ESCs) and extraembryonic endoderm (XEN) cells. The transcription factor Sall4 is required for early embryonic development and for ESC pluripotency. Sall4 is also expressed in XEN cells, and depletion of Sall4 disrupts self-renewal and induces differentiation. Genome-wide analysis reveals that Sall4 is regulating different gene sets in ESCs and XEN cells, and depletion of Sall4 targets in the respective cell types induces differentiation. With Oct4, Sox2, and Nanog, Sall4 forms a crucial interconnected autoregulatory network in ESCs. In XEN cells, Sall4 regulates the key XEN lineage-associated genes Gata4, Gata6, Sox7, and Sox17. Our findings demonstrate how Sall4 functions as an essential stemness factor for two different stem cell lines. © 2008 Elsevier Inc. All rights reserved.
Source Title: Cell Stem Cell
URI: http://scholarbank.nus.edu.sg/handle/10635/101623
ISSN: 19345909
DOI: 10.1016/j.stem.2008.08.004
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