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Gene expression analysis of iTregs and nTregs

ABSTRACT: MBP TCR Tg mouse (1B3) generates only iTregs when crossed onto RAGKO background. Tregs from 1B3.RAG mouse were used for gene expression analsysis to determine genes selectively expressed in peripherally generated iTregs iTregs from 1B3.RAG mice (>90% Foxp3+) were run against total Tregs from 1B3 and WT NOD mice. Foxp3- CD4+T cells were used as control from all strains as Tconv. (1B3 denotes MBP-TCR Tg mouse).

ORGANISM(S): Mus musculus

SUBMITTER: MARC MARTINEZ-LLORDELLA

PROVIDER: E-GEOD-39724 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Neuropilin-1 distinguishes natural and inducible regulatory T cells among regulatory T cell subsets in vivo.

Yadav Mahesh M Louvet Cedric C Davini Dan D Gardner James M JM Martinez-Llordella Marc M Bailey-Bucktrout Samantha S Anthony Bryan A BA Sverdrup Francis M FM Head Richard R Kuster Daniel J DJ Ruminski Peter P Weiss David D Von Schack David D Bluestone Jeffrey A JA

The Journal of experimental medicine 20120910 10

Foxp3(+) CD4(+) T helper cells called regulatory T (T reg) cells play a key role in controlling reactivity to self-antigens and onset of autoimmunity. T reg cells either arise in thymus and are called natural T reg (nT reg) cells or are generated in the periphery through induction of Foxp3 and are called inducible T reg (iT reg) cells. The relative contributions of iT reg cells and nT reg cells in peripheral tolerance remain unclear as a result of an inability to separate these two subsets of T ...[more]

PMID: 22966003

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Gene expression analysis of iTregs and nTregs

Project description:MBP TCR Tg mouse (1B3) generates only iTregs when crossed onto RAGKO background. Tregs from 1B3.RAG mouse were used for gene expression analsysis to determine genes selectively expressed in peripherally generated iTregs

2013-07-03 | GSE39724 | GEO

Quantitative Proteomics Reveals Specialized Wiring of Signaling Pathways that Protects Human Regulatory T Cell Identity - 2 populations in vitro

Project description:Regulatory CD4+ T cells (Tregs) are functionally distinct from conventional CD4+ T cells (Tconvs). To understand Treg identity, we compared by proteomics and transcriptomics human naïve (n) and effector (e)Tregs, Tconvs and transitional FOXP3+ cells. Only 12% of 422 differentially expressed proteins was identified as such at the mRNA level, demonstrating the importance of direct proteome measurement. Fifty-one proteins discriminated Tregs from Tconvs. This common Treg protein signature indicates altered signaling by TCR-, TNF receptor-, NFB-, PI3 kinase/mTOR-, NFAT- and STAT pathways, and unique cell biological and metabolic features. Another protein signature uniquely identified eTregs and revealed active cell division, apoptosis sensitivity and suppression of NFB- and STAT signaling. eTreg fate appears consolidated by FOXP3 outnumbering its partner transcription factors. These features explain why eTregs cannot produce inflammatory cytokines, whereas transitional FOXP3+ cells can. Collectively, our data reveal that Treg identity is defined and protected by uniquely “wired” signaling pathways.

2018-05-18 | PXD007745 | Pride

Pairwise comparison of ST2+ and ST2- FOXP3+ T cells derived from mouse intestinal tumors

Project description:Colorectal cancer (CRC) was induced in Foxp3/eGFP reporter mice by the azoxymethane/dextran sulphate sodium salt (AOM/DSS) protocol. Mice were injected i.p. with the procarcinogen AOM (12.5 mg/kg of body weight). After 1 week, mice received drinking water supplemented with 2.5% DSS for 5 to 7 days, followed by 2 weeks of regular water. The DSS administration was repeated twice with 2% DSS. Mice were sacrificed at week 11 and lamina propia lymphocytes (LPLs) from the colon were isolated. CD4+FOXP3+ (eGFP+) ST2+ or ST2- Tregs were separated from colonic LPLs of CRC induced mice using a FACSAria II cell sorter. Microarray analysis was performed to analyze if ST2+ FOXP3+ Tregs from the colon of CRC mice present a distinct transcription pattern compared to ST2- FOXP3+ Tregs. By this, the role of ST2 for Treg function during intestinal tumorigenesis should be characterized.

2019-05-31 | E-MTAB-6842 | biostudies-arrayexpress

In vitro FOXP3 knockdown in human PBMCs

Project description:Human FOXP3 antisense oligonucleotides (ASOs) target effects in primary iTregs gene expression. Tregs were isolated from human PBMCs from 5 different donors, subjected to one of 4 different treatments: (1) Untreated, (2) Control ASO 792169, (3) FOXP3 ASO 910959, (4) FOXP3 ASO 910956 under either stimulation with aCD3/aCD28 coated beads or left unstimulated.

2024-01-08 | E-MTAB-11589 | biostudies-arrayexpress

Quantitative Proteomics Reveals Specialized Wiring of Signaling Pathways that Protects Human Regulatory T Cell Identity - 5 populations ex vivo

2018-05-18 | PXD005477 | Pride

Quantitative Proteomics Reveals Specialized Wiring of Signaling Pathways that Protects Human Regulatory T Cell Identity - 6 populations ex vivo

2018-05-18 | PXD007744 | Pride

Comparison of expression profiles of Foxp3(+)epigenetics(-) T cells, Foxp3(-)epigenetics(+) T cells, and Foxp3(+)epigenetics(+) T cells

Project description:Analysis of Foxp3(+)epigenetics(-) T cells, Foxp3(-)epigenetics(+) T cells, and Foxp3(+)epigenetics(+) T cells. Results indicate regulatory T cell (Treg) ontogenesis requires two independent processes, expression of the transcription factor Foxp3 and establishment of Treg epigenetic programs induced by T cell receptor (TCR) stimulation. GFP+CD4+ and GFP-CD4+ splenocytes were sorted from DEREG and DEREG/Scurfy mice. These cells were activated with anti-CD3/CD28 antibodies, and then transduced with Foxp3-expressing retrovirus (pGCSamIN, NGFR marker). NGFR+ T cells sorted were subjected to microarray analysis (Affymetrix, mouse genome 430 2.0 array). To normalize the experimental conditions, Tregs (GFP+ T cells from DEREG) and Tconv (GFP- T cells from DEREG) were also activated and transduced with empty vector. Two replicates each.

2012-11-05 | E-GEOD-25252 | biostudies-arrayexpress

Immune Gene Expression Profile of Conventional and Regulatory T cells

Project description:Understanding human regulatory T cells (Tregs) heterogeneity may identify markers of disease pathogenesis and facilitate the development of optimized cellular therapeutics. To better elucidate human Treg subsets, we conducted direct transcriptional profiling of CD4+FOXP3+Helios+ thymic-derived Treg (tTreg) and CD4+FOXP3+Helios- peripherally-induced Treg (pTreg), followed by comparison to CD4+FOXP3-Helios- T conventional (Tconv) cells. This analysis revealed that the coinhibitory receptor T-cell immunoglobulin and immunoreceptor tyrosine-based inhibitory motif domain (TIGIT) was highly expressed on tTreg. In this study CD4 T cells were stained for the Treg-associated transcription factors FOXP3 and Helios, and subsequently FACS sorted to yield three populations: tTreg (CD4+FOXP3+Helios+), pTreg (CD4+FOXP3+Helios–) and the reference population Tconv (CD4+FOXP3–Helios–). A direct transcriptional profile was obtained from the recovered RNA from the populations defined as tTreg, pTreg, and Tconv.

2015-04-30 | E-GEOD-61834 | biostudies-arrayexpress

RNAseq of bulk regulatory T cells (Tregs) and conventional T cells (Tconvs) during acute kidney injury and fibrosis development

Project description:We performed bulk RNA-seq from FACS-sorted Tregs (Foxp3+) and T convs (Foxp3-) CD4+ T cells from kidneys and spleens at different phases after injury.

2020-01-31 | E-MTAB-7961 | biostudies-arrayexpress

A Treg specific long non-coding RNA maintains immune-metabolic homeostasis in ageing liver

Project description:To find specific transcription factors (TFs) interact with Altre to regulate target gene expression by Cis- or Trans- action on chromatin.

2023-05-18 | PXD041040 | Pride

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