> Details

Morikawa, Hiromasa; Ohkura, Naganari; Vandenbon, Alexis; Itoh, Masayoshi; Nagao-Sato, Sayaka; Kawaji, Hideya; Lassmann, Timo; Carninci, Piero; Hayashizaki, Yoshihide; Forrest, Alistair R. R.; Standley, Daron M.; Date, Hiroshi; Sakaguchi, Shimon; Forrest, Alistair R.R.; Kawaji, Hideya; Rehli, Michael; Baillie, J. Kenneth; de Hoon, Michiel J.L.; Haberle, Vanja; Lassmann, Timo; Kulakovskiy, Ivan V.; Lizio, Marina; Itoh, Masayoshi; Andersson, Robin; [...]

Differential roles of epigenetic changes and Foxp3 expression in regulatory T cell-specific transcriptional regulation

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  • Media type: E-Article
  • Title: Differential roles of epigenetic changes and Foxp3 expression in regulatory T cell-specific transcriptional regulation
  • Contributor: Morikawa, Hiromasa; Ohkura, Naganari; Vandenbon, Alexis; Itoh, Masayoshi; Nagao-Sato, Sayaka; Kawaji, Hideya; Lassmann, Timo; Carninci, Piero; Hayashizaki, Yoshihide; Forrest, Alistair R. R.; Standley, Daron M.; Date, Hiroshi; Sakaguchi, Shimon; Forrest, Alistair R.R.; Kawaji, Hideya; Rehli, Michael; Baillie, J. Kenneth; de Hoon, Michiel J.L.; Haberle, Vanja; Lassmann, Timo; Kulakovskiy, Ivan V.; Lizio, Marina; Itoh, Masayoshi; Andersson, Robin; [...]
  • imprint: Proceedings of the National Academy of Sciences, 2014
  • Published in: Proceedings of the National Academy of Sciences
  • Language: English
  • DOI: 10.1073/pnas.1312717110
  • ISSN: 0027-8424; 1091-6490
  • Keywords: Multidisciplinary
  • Origination:
  • Footnote:
  • Description: <jats:p>Naturally occurring regulatory T (Treg) cells, which specifically express the transcription factor forkhead box P3 (Foxp3), are engaged in the maintenance of immunological self-tolerance and homeostasis. By transcriptional start site cluster analysis, we assessed here how genome-wide patterns of DNA methylation or Foxp3 binding sites were associated with Treg-specific gene expression. We found that Treg-specific DNA hypomethylated regions were closely associated with Treg up-regulated transcriptional start site clusters, whereas Foxp3 binding regions had no significant correlation with either up- or down-regulated clusters in nonactivated Treg cells. However, in activated Treg cells, Foxp3 binding regions showed a strong correlation with down-regulated clusters. In accordance with these findings, the above two features of activation-dependent gene regulation in Treg cells tend to occur at different locations in the genome. The results collectively indicate that Treg-specific DNA hypomethylation is instrumental in gene up-regulation in steady state Treg cells, whereas Foxp3 down-regulates the expression of its target genes in activated Treg cells. Thus, the two events seem to play distinct but complementary roles in Treg-specific gene expression.</jats:p>
  • Access State: Open Access