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IL-33-ST2 axis regulates myeloid cell differentiation and activation facilitating effective club cell regeneration

ABSTRACT: IL-33-ST2 axis regulates myeloid cell differentiation and activation facilitating effective club cell regeneration

PROVIDER: PRJNA649522 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR12344113_1.fastq.gz	Fastqsanger.gz
	SRR12344113_2.fastq.gz	Fastqsanger.gz
	SRR12344114_1.fastq.gz	Fastqsanger.gz
	SRR12344114_2.fastq.gz	Fastqsanger.gz
	SRR12344115_1.fastq.gz	Fastqsanger.gz

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RNA-Sequencing of ST2+ Treg cells in response to IL-33 stimulation

Project description:The effects of IL-33 on ST2+ Treg cells were not studied thouroughly. We FACS-sorted in vitro expanded ST2+ Treg cells from C57BL/6 Foxp3-IRES-mRFP (B6 FIR) mice. We next used RNA-seq techonology to define how recombinant IL-33 (rIL-33) may impact mouse Treg by to assessing the transcriptome of IL-33-stimulated ST2+ Treg cells compared to that of untreated ST2+ Treg cells. Our data revealed that ST2+ Treg stimulated with rIL-33 for 6 hours exhibited increased expression of Il10 and Il13 compared to unstimulated ST2+ Treg cells.

2019-05-17 | GSE123922 | GEO

IL-33-ST2 axis regulates myeloid cell differentiation and activation facilitating effective club cell regeneration

Project description:This SuperSeries is composed of the SubSeries listed below.

2020-07-30 | GSE155361 | GEO

BM-resident BL/6 and ST2-/- ILC2s cultured with or without rmIL-33

Project description:To investigate the effect of interleukin (IL-33) on bone marrow (BM) resident type 2 innate lymphoid cells (ILC2s), we treated BL/6 and ST2-knockout (ST2-/-) ILC2s for 24h with recombinant mouse IL-33 We then performed gene expression profiling analysis using data obtained from RNA-seq of 3-4 samples per condition.

2024-12-31 | GSE250530 | GEO

The impact of IL-33 on Srebf2-dependent cholesterol gene expression in ST2+ eVAT Tregs

Project description:Tregs are highly enriched in the eVAT of male mice. We show that ST2+ VAT Tregs preferentially upregulate and depend on Srebf2-mediated cholesterol metabolism compared their spleen Treg or ST2- VAT Treg counterparts. However, it is unclear whether this increased reliance on cholesterol metabolism is a consequence elevated IL-33 signaling in ST2+ Tregs. Therefore, the goal of experiment is to determine whether IL-33 signaling influences Srebf2-dependent cholesterol gene expression in ST2+ eVAT Tregs in vivo.

2025-01-10 | GSE272435 | GEO

The IL-33/ST2 axis and tissue Treg maintains epithelial homeostasis in the skin and restrains cancer development

Project description:IL-33 is constitutively expressed in many epithelial tissues at steady state and signals through the receptor, ST2. IL-33 is released upon tissue injury and functions as an endogenous danger signal to alert the immune system to tissue damage. Here we investigate the physiological role of the IL-33/ST2 axis in skin homeostasis and cancer development. We show that expression of IL-33 differentiates malignant from normal/benign human tissues and that in mouse models of cutaneous squamous cell carcinoma the IL-33/ST2 axis protects against carcinogenesis. Tissue Treg are the predominant cells expressing ST2 in the skin and localise around the hair follicle and IL-33+ epithelial cells (EC). Adoptive transfer experiments demonstrate that skin Treg regulate EC differentiation, minimizes mutational load and retrains cancer development following exposure to an environmental carcinogen. Our findings indicate an important role for direct EC-Treg cross-talk as an early checkpoint to contain tissue damage and carcinogenesis.

2024-08-15 | GSE241061 | GEO

IL-33 and ST2 license beige and brown adipocytes for uncoupled respiration

Project description:For placental mammals, the transition from the in utero maternal environment to postnatal life requires the activation of thermogenesis to maintain their core temperature. This is primarily accomplished by induction of uncoupling protein 1 (UCP1) in brown and beige adipocytes, the principal sites for uncoupled respiration. Despite its importance, how placental mammals license their thermogenic adipocytes to participate in postnatal uncoupled respiration is not known. Here, we provide evidence that the 'alarmin' IL-33, a nuclear cytokine that activates type 2 immune responses, licenses brown and beige adipocytes for uncoupled respiration. We find that, in absence of IL-33 or ST2, beige and brown adipocytes develop normally but fail to express an appropriately spliced form of Ucp1 mRNA, resulting in absence of UCP1 protein, and impairment in uncoupled respiration and thermoregulation. Together, these data suggest that IL-33 and ST2 function as a developmental switch to license thermogenesis during the perinatal period.

2017-06-10 | GSE83229 | GEO

IL-33-ST2 axis regulates myeloid cell differentiation and activation enabling effective club cell regeneration.

Project description:Evidence points to an indispensable function of macrophages in tissue regeneration, yet the underlying molecular mechanisms remain elusive. Here we demonstrate a protective function for the IL-33-ST2 axis in bronchial epithelial repair, and implicate ST2 in myeloid cell differentiation. ST2 deficiency in mice leads to reduced lung myeloid cell infiltration, abnormal alternatively activated macrophage (AAM) function, and impaired epithelial repair post naphthalene-induced injury. Reconstitution of wild type (WT) AAMs to ST2-deficient mice completely restores bronchial re-epithelialization. Central to this mechanism is the direct effect of IL-33-ST2 signaling on monocyte/macrophage differentiation, self-renewal and repairing ability, as evidenced by the downregulation of key pathways regulating myeloid cell cycle, maturation and regenerative function of the epithelial niche in ST2-/- mice. Thus, the IL-33-ST2 axis controls epithelial niche regeneration by activating a large multi-cellular circuit, including monocyte differentiation into competent repairing AAMs, as well as group-2 innate lymphoid cell (ILC2)-mediated AAM activation.

| S-EPMC7508874 | biostudies-literature

RNA-seq profile of expanded human ST2-transduced Tregs cultured with IL-2 and TCR in the presence or absence of IL-33

Project description:Because of the extensive data in mice supporting the concept that ST2+ Tregs might have desirable therapeutic properties, including tissue repair function, high suppressive capacity, and enhanced stability, we engineered human blood Tregs to constitutively express ST2 (IL-33R). Here we used RNA sequencing to explore the effects of short-term culture with IL-33 on human ST2-transduced Tregs.

2019-02-04 | GSE117481 | GEO

Transcriptional profiling of mouse ST2+ and ST2- Tregs across tissues

Project description:Foxp3+ regulatory T cells (Tregs) are critical mediators of peripheral tolerance and immune homeostasis. Tregs that express the IL-33 receptor ST2 are enriched in peripheral nonlymphoid tissues and can exert a variety of tissue-specific functions from metabolic regulation within adipose tissue to skeletal muscle repair. However, the relationship between ST2+ and ST2- Tregs within and across different tissues remains unclear. To compare murine ST2- and ST2+ Tregs within and across tissues, we performed RNA sequencing (RNAseq) of ST2-CD44hi and ST2+CD44hi Tregs from blood, spleen, lungs, visceral adipose tissue (VAT), colon, and skin. RNAseq was also performed on ST2- CD44lo CD62L+ Tregs from the spleen and lungs. We found that the tissue microenvironment was the major factor shaping the transcriptome of Tregs across tissues. Across the tissues studied, Treg transcriptomes displayed an ordered hierarchy that may represent graded levels of activation or differentiation across tissues. We also identified a core signature that distinguished ST2+ Tregs from ST2- Tregs across tissues and a large number of differentially expressed genes between ST2- and ST2+ Tregs within individual tissues that could support the tissue-specific adaptation and function of ST2+ Tregs. In summary, our work highlights the unique, tissue-specific phenotype of ST2+ Tregs and reveals a core ST2+ Treg transcriptional signature shared across tissues.

2022-07-24 | GSE182322 | GEO

The alarmin IL-33 amplifies an immune response in the degenerating retina

Project description:ST2 heterodimerizes with IL-1RAcp to form the receptor for IL-33, which is primarily associated with allergic inflammation by inducing Th2 responses. Recently, however, IL-33 was found to be expressed in the central nervous system and in retinal Muller cells which imply functions, as yet undescribed, beyond Th2 mediated inflammation. Muller cells support the health of the retina and photoreceptors and are also involved in inflammation in retinal degeneration. It is not known how IL-33/ST2 functions in this capacity. We recently found that ST2 ko mice are protected from CLE-induced photoreceptor loss, implying a detrimental effect of IL33/ST2 in CLE. We wish to perform microarray analysis using WT and ST2 KO mice in CLE model to better understand the mechanism by which IL-33/ST2 regulates retinal degeneration. CLE (Constant Light Exposure) is a model of retinal damage/degeneration in mice. Mice are exposed to bright light 24 hours a day for a period of time which damages retina photoreceptors. This damage is assessed by histology, optical coherence tomography (OCT), which measures retina thickness in vivo. In this experiment, the WT and ST2 KO mice (5 mice per genotype per time point) will be exposed to 1200-lux constant light for 0, 3, 10 days. The retinal RNA will be isolated and analyzed for differential gene expression by microarray.

2015-12-17 | E-GEOD-74695 | biostudies-arrayexpress

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