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Title: Jmjd3 contributes to the control of gene expression in LPS-activated macrophages
Authors: De Santa, F.
Narang, V.
Yap, Z.H.
Tusi, B.K.
Burgold, T.
Austenaa, L.
Bucci, G.
Caganova, M.
Notarbartolo, S.
Casola, S.
Testa, G.
Sung, W.-K. 
Wei, C.-L.
Natoli, G.
Keywords: Histone demethylase
Issue Date: 2009
Citation: De Santa, F., Narang, V., Yap, Z.H., Tusi, B.K., Burgold, T., Austenaa, L., Bucci, G., Caganova, M., Notarbartolo, S., Casola, S., Testa, G., Sung, W.-K., Wei, C.-L., Natoli, G. (2009). Jmjd3 contributes to the control of gene expression in LPS-activated macrophages. EMBO Journal 28 (21) : 3341-3352. ScholarBank@NUS Repository.
Abstract: Jmjd3, a JmjC family histone demethylase, is induced by the transcription factor NF-kB in response to microbial stimuli. Jmjd3 erases H3K27me3, a histone mark associated with transcriptional repression and involved in lineage determination. However, the specific contribution of Jmjd3 induction and H3K27me3 demethylation to inflammatory gene expression remains unknown. Using chromatin immunoprecipitation-sequencing we found that Jmjd3 is preferentially recruited to transcription start sites characterized by high levels of H3K4me3, a marker of gene activity, and RNA polymerase II (Pol-II). Moreover, 70% of lipopolysaccharide (LPS)-inducible genes were found to be Jmjd3 targets. Although most Jmjd3 target genes were unaffected by its deletion, a few hundred genes, including inducible inflammatory genes, showed moderately impaired Pol-II recruitment and transcription. Importantly, most Jmjd3 target genes were not associated with detectable levels of H3K27me3, and transcriptional effects of Jmjd3 absence in the window of time analysed were uncoupled from measurable effects on this histone mark. These data show that Jmjd3 fine-tunes the transcriptional output of LPS-activated macrophages in an H3K27 demethylation-independent manner. © 2009 European Molecular Biology Organization | All Rights Reserved.
Source Title: EMBO Journal
ISSN: 02614189
DOI: 10.1038/emboj.2009.271
Appears in Collections:Staff Publications

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