p(⁷⁰S⁶K¹) in the TORC1 pathway is essential for the differentiation of Th17 Cells, but not Th1, Th2, or Treg cells in mice.

Abstract:

:The TORC1 pathway is necessary for ribosomal biogenesis and initiation of protein translation. Furthermore, the differentiation of Th1 and Th17 cells requires TORC1 activity. To investigate the role of the TORC1 pathway in the differentiation of Th1 and/or Th17 cells in more detail, we compared the differentiation capacity of naïve T cells from wild type and p70(S6K1) knockout mice. Expression of many of the genes associated with Th17-cell differentiation, such as IL17a, IL17f, and IL-23R, were reduced in p70(S6K1) knockout mice. In contrast, the development of Th1, Th2, and Treg cells was unaffected in the absence of p70(S6K1) . Furthermore, expression of the major transcription factor in Th17-cell differentiation, retinoic acid receptor-related orphan receptor gamma T, remained unchanged. However, the acetylation of histone 3 at the promoters of IL17a and IL17f was reduced in the absence of p70(S6K1) . In accordance with the in vitro data, the kinetics, but not the development, of EAE was affected with the loss of p70(S6K1) expression. Collectively, our findings suggested that both in vitro and in vivo differentiation of Th17 cells were positively regulated by p70(S6K1) .

journal_name

Eur J Immunol

authors

Sasaki CY,Chen G,Munk R,Eitan E,Martindale J,Longo DL,Ghosh P

doi

10.1002/eji.201445422

subject

Has Abstract

pub_date

2016-01-01 00:00:00

pages

212-22

issue

1

eissn

0014-2980

issn

1521-4141

journal_volume

46

pub_type

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