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SETD7 regulates the differentiation of human embryonic stem cells

AuthorsCastaño, Julio; Morera, Cristina; Sesé, Borja; Boué, Stéphanie; Bonet-Costa, Carles ; Martí, Mercè; Roque, Alicia; Jordan, Albert ; Barrero, María José
Issue Date18-Feb-2016
PublisherPublic Library of Science
CitationPLoS ONE 11(2): e0149502 (2016)
AbstractThe successful use of specialized cells in regenerative medicine requires an optimization in the differentiation protocols that are currently used. Understanding the molecular events that take place during the differentiation of human pluripotent cells is essential for the improvement of these protocols and the generation of high quality differentiated cells. In an effort to understand the molecular mechanisms that govern differentiation we identify the methyltransferase SETD7 as highly induced during the differentiation of human embryonic stem cells and differentially expressed between induced pluripotent cells and somatic cells. Knock-down of SETD7 causes differentiation defects in human embryonic stem cell including delay in both the silencing of pluripotency-related genes and the induction of differentiation genes. We show that SETD7 methylates linker histone H1 in vitro causing conformational changes in H1. These effects correlate with a decrease in the recruitment of H1 to the pluripotency genes OCT4 and NANOG during differentiation in the SETD7 knockdown that might affect the proper silencing of these genes during differentiation.
Publisher version (URL)http://dx.doi.org/10.1371/journal.pone.0149502
Identifiersdoi: 10.1371/journal.pone.0149502
issn: 1932-6203
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