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Glycosylation-dependent modulation of the IL-2 signaling axis determines Th17 differentiation and IL-10 production

ABSTRACT: Metabolism plays an essential role in shaping Th cell responses including the production of pro-inflammatory cytokines. However, its effect on the production of the anti-inflammatory cytokine IL-10 has not been investigated. We show here that the glucose analogue 2-deoxyglucose (2DG) specifically inhibited Th1 and Th2 cell differentiation and accompanying IL-10 production. In contrast, 2DG promoted IL-17A production by Th17 cells, even in the presence of IL-2 known to limit Th17 differentiation, whilst simultaneously also abrogating the production of IL-10. Rather than inhibiting glycolysis, 2DG was found to act through the inhibition of glycosylation, itself critical for IL-2Ra surface expression and downstream signaling, explaining the reciprocal effect of 2DG on the Th1 and Th2 versus Th17 differentiation. The essential role of IL-2 for IL-10 production by Th17 cells was confirmed by adding IL-2 or anti-IL-2, neither of which made the cells more pathogenic. The molecular mechanism of the IL-2 driven Th17 IL-10 production may be attributed to the transcription factor c-Maf, whose expression was significantly upregulated in the presence of IL-2 signaling. The overall RNA signature of sorted IL-10+ T cells driven by IL-2, be it IL-17A+ or IL-17A-, was dominated by protein synthesis whereas that of their IL-10- counterparts by cell cycle associated processes suggesting that IL-10 secreting Th17 cells trade off self-renewal for secretory capacity. Our study thus reveals a previously unappreciated, anti-inflammatory role for IL-2 in Th17 cell production of IL-10 and identifies a novel mechanism to limit Th17 pathogenicity.

ORGANISM(S): Mus musculus

PROVIDER: GSE129028 | GEO | 2020/03/29

REPOSITORIES: GEO

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Gene expression profile of human epidermal keratinocytes in response to IFNgamma, IL-4, IL-6, IL-17A and IL-22

Project description:To understand the role of epidermal keratinocytes in immunopathology of skin diseases with predominant T helper (Th) cell responses, we measured the genome-wide transcriptional profile of human keratinocytes in response to IFNgamma, IL-4, IL-17A or IL-22, major cytokines produced by Th1, Th2, Th17 or Th22 cells, respectively. IL-6 was also included in the transcriptional profile analysis because a variety of pro-inflammatory stimuli stimulate human keratinocytes to produce IL-6 that has an autocrine or paracrine role in epidermal immunity. We aimed to discover commonly expressed genes in human keratinocytes in response to pro-inflammatory cytokines, which would be associated with common pathophysiological responses in various skin diseases such as skin permeability barrier disruption or epidermal hyperplasia. Normal human keratinocytes (NHKs) were stimulated with IFNγ, IL-4, IL-6, IL-17A and IL-22 for 24 hours and harvested for total RNA extraction and hybridization on Affymetrix microarrays.

2014-10-02 | E-GEOD-53751 | biostudies-arrayexpress

Early regulatory B cell induction and Th/Tr17 responses relates to success of long-term grass-pollen AIT

Project description:The up-dosing phase is marked by increased IL-10+B-cells with allergen-specific PD-L1 up-regulation, while effector Th1/Th17 cells and CCR6+IL-17+FoxP3+T-cells decrease. The conversion phase exhibits Th17 recovery in the absence of Th2cells. The tolerance-mounting phase after three years of treatment is characterized by induction of Tregs while Th2 and phleum-specific IL-17A responses decrease. Notably, high ratios of circulating Breg/Th17 following initial AIT correlate significantly with clinical improvement after three years. Our data imply differential shifts in the hierarchy of tolerance in three distinct phases of AIT characterized by conversion of regulatory against pro-inflammatory mechanisms, of which the Breg/Th17 ratio after initial treatment emerges as potential early prediction of AIT efficacy.

2018-10-29 | GSE118243 | GEO

Project Title: Proteome analysis of CD4+ T cell subsets

Project description:Functionally distinct CD4+ helper T (Th) cell subsets, such as Th1, Th2, Th17, and regulatory T cells (Treg), play a pivotal role in the host-defense against pathogen invasion and the pathogenesis of inflammatory disorders. In this project, DIA-MS-based proteome analysis was performed on naïve CD4+ T, Th0, Th1, Th2, Th17 and iTreg cells using Q Exactive HF-X (Thermo Fisher Scientific) to search for proteins that differ among the cell subsets.

2023-01-04 | PXD036065 | JPOST Repository

Gene array for identifying molecules involved in IL-10 regulation during Th17 polarization

2009-03-03 | GSE15029 | GEO

Role of PIP5K1a in human Th17 gene expression

Project description:This data was performed as part of Revu et al, "Human IL-17A protein expression is controlled through a PIP5K1a-dependent ARS2 checkpoint". IL-17 secreted by TH17 cells is beneficial for microbial control, but causes inflammation and pathological tissue remodeling in autoimmunity. Hence TH17 differentiation and IL-17 production must be tightly regulated, but to date this has been defined only in terms of transcriptional control. Phosphatidyinositols are second messengers activated during T cell activation that transduce signals from the TCR and costimulatory receptors at the cell membrane. Here we show phosphatidylinositol(4,5)bisphosphate (PIP2) was unexpectedly enriched in the nucleus of human TH17 cells, dependent on the kinase PIP5K1, and that blockade of PIP5K1 impaired IL-17A production. In contrast, nuclear PIP2 enrichment was not observed in Th1 or Th2 cells and these subsets did not require PIP5K1 for cytokine production. In multiple sclerosis patient T cells, IL-17 production elicited by myelin basic protein could be inhibited by PIP5K1 blockade. Surprisingly, PIP5K1 blockade did not alter IL17A mRNA levels or stability in TH17 cells. Instead, analysis of PIP5K1-interacting proteins revealed that PIP5K1 targets ARS2, a nuclear cap binding complex scaffold protein, to facilitate ARS2 binding to IL17A mRNA and subsequent IL-17 protein expression, uncovering a new mechanism for regulating IL-17A protein production and suggesting a novel mechanism of translation control of cytokines.

2023-05-15 | GSE232436 | GEO

Gene expression profile of human epidermal keratinocytes in response to IFNgamma, IL-4, IL-6, IL-17A and IL-22

2014-10-02 | GSE53751 | GEO

Gene array for identifying molecules involved in IL-10 regulation during Th17 polarization

Project description:IL-10 production by Th17 cells is critical for limiting autoimmunity and inflammatory responses. Gene array analysis on Stat6 and T-bet double deficient Th17 cells identified the Th2 transcription factor c-Maf to be synergistically up-regulated by IL-6 plus TGFbeta, and associated with Th17 IL-10 production. Both c-Maf and IL-10 induction during Th17 polarization depended on Stat3, but not Stat6 or Stat1, and mechanistically differed from IL-10 regulation by Th2 or IL-27 signals. TGFbeta was also synergistic with IL-27 to induce c-Maf, and induced Stat1 independent IL-10 expression in contrast to IL-27 alone. Retroviral transduction of c-Maf was able to induce IL-10 expression in Stat6 deficient CD4 and CD8 T cells, and c-Maf directly transactivated IL-10 gene expression through binding to a MARE motif in the IL-10 promoter. Together, these data reveal a novel role for c-Maf in regulating T effector development, and suggest that TGFbeta may antagonize Th17 immunity by IL-10 production through c-Maf induction. Our recent studies showed that IL-6 combined with TGFbeta differed from IL-6 combined with IL-23 for IL-10 production and pathogenic activities in CD4 T cells deficient in Stat6 and T-bet, despite similar IL-17 production. We performed gene array analysis on Stat6 and T-bet double deficient cells. We rationalized that by comparing gene expression in cells treated with IL-6 plus TGFbeta versus TGFbeta alone, we would be able to identify genes specific for standard Th17 polarization, and responsible for both IL-17 and IL-10 expression. By next comparing gene expression in cells treated with IL-6 plus TGFbeta versus IL-6 plus IL-23, we could eliminate molecules involved solely in IL-17 regulation, and obtain genes specifically responsible for IL-10 regulation.

2009-03-03 | E-GEOD-15029 | biostudies-arrayexpress

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2011-04-24 | E-GEOD-27158 | biostudies-arrayexpress

Analysis of gene expression in different T cell clones

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2008-05-30 | E-GEOD-11553 | biostudies-arrayexpress

The TNF family member TL1A induces IL-22 secretion in committed human TH17 cells via IL-9 induction

Project description:TL1A contributes to the pathogenesis of several chronic inflammatory diseases, including Inflammatory Bowel Diseases by enhancing TH1, TH17, and TH2 responses. TL1A mediates a strong co-stimulation of these TH subsets particularly of mucosal CCR9+ T cells. However, the signaling pathways that TL1A induces in different TH subsets are incompletely understood. Here, we investigated the function of TL1A on human TH17 cells. TL1A together with TGF- IL-6, and IL-23 enhanced the secretion of IL-17 and IFN- from human CD4+ memory T cells. TL1A induced the expression of the transcription factors BATF and T-bet that correlated with the secretion of IL-17 and IFN-. In contrast, TL1A alone induced high levels of IL-22 in memory CD4+ T cells and committed TH17 cells. However, TL1A did not enhance expression of IL-17A in TH17 cells. Expression of the transcription factor aryl hydrocarbon receptor that regulates expression of IL-22 was not affected by TL1A. We performed transcriptome analysis of TH17 cells to determine genes that are transcriptionally regulated by TL1A. transcriptome analysis revealed increased expression of IL-9 in response to TL1A.

2016-10-25 | GSE89133 | GEO

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