Fatty acid metabolic reprogramming via mTOR-mediated inductions of PPARγ directs early activation of T cells

Mulki Angela, Yusuke Endo, Hikari K. Asou, Takeshi Yamamoto, Damon J. Tumes, Hirotake Tokuyama, Koutaro Yokote, Toshinori Nakayama

Research output: Contribution to journalArticle

57 Citations (Scopus)

Abstract

To fulfil the bioenergetic requirements for increased cell size and clonal expansion, activated T cells reprogramme their metabolic signatures from energetically quiescent to activated. However, the molecular mechanisms and essential components controlling metabolic reprogramming in T cells are not well understood. Here, we show that the mTORC1-PPARγ pathway is crucial for the fatty acid uptake programme in activated CD4+ T cells. This pathway is required for full activation and rapid proliferation of naive and memory CD4+ T cells. PPARγ directly binds and induces genes associated with fatty acid uptake in CD4+ T cells in both mice and humans. The PPARγ-dependent fatty acid uptake programme is critical for metabolic reprogramming. Thus, we provide important mechanistic insights into the metabolic reprogramming mechanisms that govern the expression of key enzymes, fatty acid metabolism and the acquisition of an activated phenotype during CD4+ T cell activation.

LanguageEnglish
Article number13683
JournalNature communications
Volume7
DOIs
Publication statusPublished - 30 Nov 2016

ASJC Scopus subject areas

  • Chemistry(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Physics and Astronomy(all)

Cite this

Angela, M., Endo, Y., Asou, H. K., Yamamoto, T., Tumes, D. J., Tokuyama, H., ... Nakayama, T. (2016). Fatty acid metabolic reprogramming via mTOR-mediated inductions of PPARγ directs early activation of T cells. Nature communications, 7, [13683]. https://doi.org/10.1038/ncomms13683
Angela, Mulki ; Endo, Yusuke ; Asou, Hikari K. ; Yamamoto, Takeshi ; Tumes, Damon J. ; Tokuyama, Hirotake ; Yokote, Koutaro ; Nakayama, Toshinori. / Fatty acid metabolic reprogramming via mTOR-mediated inductions of PPARγ directs early activation of T cells. In: Nature communications. 2016 ; Vol. 7.
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Angela, M, Endo, Y, Asou, HK, Yamamoto, T, Tumes, DJ, Tokuyama, H, Yokote, K & Nakayama, T 2016, 'Fatty acid metabolic reprogramming via mTOR-mediated inductions of PPARγ directs early activation of T cells', Nature communications, vol. 7, 13683. https://doi.org/10.1038/ncomms13683

Fatty acid metabolic reprogramming via mTOR-mediated inductions of PPARγ directs early activation of T cells. / Angela, Mulki; Endo, Yusuke; Asou, Hikari K.; Yamamoto, Takeshi; Tumes, Damon J.; Tokuyama, Hirotake; Yokote, Koutaro; Nakayama, Toshinori.

In: Nature communications, Vol. 7, 13683, 30.11.2016.

Research output: Contribution to journalArticle

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