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https://hdl.handle.net/2440/133498
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Type: | Journal article |
Title: | TAF5L and TAF6L Maintain Self-Renewal of Embryonic Stem Cells via the MYC Regulatory Network |
Author: | Seruggia, D. Oti, M. Tripathi, P. Canver, M.C. LeBlanc, L. Di Giammartino, D.C. Bullen, M.J. Nefzger, C.M. Sun, Y.B.Y. Farouni, R. Polo, J.M. Pinello, L. Apostolou, E. Kim, J. Orkin, S.H. Das, P.P. |
Citation: | Molecular Cell, 2019; 74(6):1148-1163 |
Publisher: | Elsevier |
Issue Date: | 2019 |
ISSN: | 1097-2765 1097-4164 |
Statement of Responsibility: | Davide Seruggia, Martin Oti, Pratibha Tripathi, Matthew C. Canver, Lucy LeBlanc, Dafne C. Di Giammartino, Michael J. Bullen, Christian M. Nefzger, Yu Bo Yang Sun, Rick Farouni, Jose M. Polo, Luca Pinello, Effie Apostolou, Jonghwan Kim, Stuart H. Orkin, and Partha Pratim Das |
Abstract: | Self-renewal and pluripotency of the embryonic stem cell (ESC) state are established and maintained by multiple regulatory networks that comprise transcription factors and epigenetic regulators. While much has been learned regarding transcription factors, the function of epigenetic regulators in these networks is less well defined. We conducted a CRISPR-Cas9-mediated loss-of-function genetic screen that identified two epigenetic regulators, TAF5L and TAF6L, components or co-activators of the GNAT-HAT complexes for the mouse ESC (mESC) state. Detailed molecular studies demonstrate that TAF5L/TAF6L transcriptionally activate c-Myc and Oct4 and their corresponding MYC and CORE regulatory networks. Besides, TAF5L/TAF6L predominantly regulate their target genes through H3K9ac deposition and c-MYC recruitment that eventually activate the MYC regulatory network for self-renewal of mESCs. Thus, our findings uncover a role of TAF5L/TAF6L in directing the MYC regulatory network that orchestrates gene expression programs to control self-renewal for the maintenance of mESC state. |
Keywords: | TAF5L; TAF6L; MYC; OCT4; CRISPR; ESC |
Rights: | © 2019 Elsevier Inc |
DOI: | 10.1016/j.molcel.2019.03.025 |
Grant ID: | http://purl.org/au-research/grants/nhmrc/GNT1159461 |
Published version: | http://dx.doi.org/10.1016/j.molcel.2019.03.025 |
Appears in Collections: | Molecular and Biomedical Science publications |
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