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Transcriptome analysis of lung fibroblasts from 5 control and 5 IPF patients with/out TGF-b1 stimulation

ABSTRACT: Transcriptome analysis of lung fibroblasts from 5 control and 5 IPF patients with/out TGF-b1 stimulation

PROVIDER: PRJNA530261 | ENA |

REPOSITORIES: ENA

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Transcriptome analysis of lung fibroblasts from 5 control and 5 IPF patients with/out TGF-b1 stimulation

Project description:Isolated primary human fibroblasts from 5 control and 5 IPF patients were treated with/out 3ng/ml TGF-b1 for 24 hours before cells were lysed for RNA extraction.

2019-04-02 | GSE129164 | GEO

Therapeutic activity of GARP:TGF-b1 blockade in murine primary myelofibrosis

Project description:Primary myelofibrosis (PMF) is a myeloproliferative neoplasm characterized by clonal expansion of myeloid cells, notably megakaryocytes (MKs), and aberrant cytokine production leading to bone marrow (BM) fibrosis and insufficiency. Current treatment options are limited. TGF-b1, a profibrotic and immunosuppressive cytokine, is involved in PMF pathogenesis. While all cell types secrete inactive, latent TGF-b1, only a few activate the cytokine via cell type-specific mechanisms. The cellular source of the active TGF-b1 implicated in PMF is not known. Transmembrane protein GARP binds and activates latent TGF-b1 on the surface of regulatory T lymphocytes (Tregs) and MKs or platelets. Here, we found increased expression of GARP in BM and spleen of mice undergoing PMF and tested the therapeutic potential of a monoclonal antibody that blocks TGF-b1 activation by GARP-expressing cells. GARP:TGF-b1 blockade reduced not only fibrosis, but also clonal expansion of transformed cells. Using mice carrying a genetic deletion of Garp in either Tregs or MKs, we found that the therapeutic effects of GARP:TGF-b1 blockade in PMF imply targeting GARP on Tregs. These therapeutic effects, accompanied by increased IFN-g signals in the spleen, were lost upon CD8 T cell depletion. Our results suggest that selective blockade of TGF-b1 activation by GARP-expressing Tregs increase a CD8 T cell-mediated immune reaction that limits transformed cell expansion, providing a novel approach that could be tested to treat patients with myeloproliferative neoplasms.

2022-10-27 | GSE216221 | GEO

Transcription profiling of mouse mammary epithelial cells NMuMG treatd with TGF-b1 - time series experiment

Project description:Response of mouse mammary epithelial cells NMuMG to TGF-b1 - time course experiment. Identification of novel gene targets involved in TGF-b1-driven regulation of epithelial-mesenchymal transition (EMT).

2004-10-01 | E-MEXP-139 | biostudies-arrayexpress

Basonuclin-1 modulates epithelial plasticity and TGF-β1-induced loss of epithelial cell integrity [BNC1]

Project description:TGF-b1-stimulation induces an epithelial dedifferentiation-process, throughout which epithelial cell sheets disintegrate and gradually switch into fibroblastic-appearing cells (EMT-like transition). Several transcription factors, some of them being TGF-b1-responsive, are functionally involved in such a switch and affect epithelial differentiation and plasticity. We used microarray-based gene expression profiling of mammary epithelial cells that actively undergo TGF-b1-induced epithelial dedifferentiation. Further, we determined gene expression changes in Basonuclin-1 knock-down cells in conjunction with TGF-b1-stimulation in order to determine a possible effect of Bnc1 on TGF-b1-responsive genes.

2014-03-01 | GSE54715 | GEO

Basonuclin-1 modulates epithelial plasticity and TGF-?1-induced loss of epithelial cell integrity [BNC1]

2014-03-01 | E-GEOD-54715 | biostudies-arrayexpress

Cardiac-derived TGF-b1 confers resistance to diet-induced obesity through regulation of adipocyte size and function.

Project description:Regulation of organismal homeostasis in response to nutrient availability is a vital physiological process that involves inter-organ communication. Understanding the mechanisms controlling systemic cross talk for maintenance of metabolic health is critical to counteract diet-induced obesity. Here, we show that cardiac-derived transforming growth factor beta 1 (TGF-b1) protects against weight gain and glucose intolerance in mice subjected to high-fat diet. Secretion of TGF-b1 by cardiomyocytes correlates with bioavailability of this factor in circulation. TGF-b1 prevents adipose tissue inflammation independent of body weight and glucose metabolism phenotypes, suggesting protection from adipocyte dysfunction-driven immune cell recruitment. TGF-b1 alters gene expression programs in white adipocytes, favoring their thermogenic fate and consequently increasing their mitochondrial oxygen consumption rates. Ultimately, subcutaneous and visceral white adipose tissue from heart-specific TGF-b1 transgenic mice fail to undergo cellular hypertrophy, leading to reduced overall adiposity during high-fat feeding. Thus, TGF-b1 is a critical mediator of heart-fat communication for regulation of systemic metabolism.

2021-11-03 | GSE179102 | GEO

Gene expression profile of human peritoneal mesothelial cells (HPMC) treated with TGF-b1

Project description:Long-term peritoneal dialysis is associated with progressive fibrosis of the peritoneum. Epithelial-mesenchymal transition (EMT) of mesothelial cells is an important mechanism involved in peritoneal fibrosis, and TGF-b1 is considered central in this process. We conducted network-based integrated analysis of transcriptomic data to systemically characterize the molecular signature of TGF-b1-stimulated human peritoneal mesothelial cells (HPMCs).

2018-10-18 | GSE121372 | GEO

Comparison of the LIGHT and TGF-B1 induced transcriptomes in esophageal FBL

Project description:To understand the transcriptional responses induced by LIGHT in esophageal fibroblasts and compare them to the pro-fibrotic TGF-B1

2020-08-03 | GSE143482 | GEO

RNAseq of Extracellular vesicle RNAs and cellular RNAs from HPASMCs with or without TGF-b1 or BMP4 treatment

Project description:Excessive TGF-β signalling has been shown to underlie pulmonary hypertension (PAH). Human pulmonary artery smooth muscle cells (HPASMCs) can release extracellular vesicles (EVs) but their content and significance have not yet been studied. Here, we analysed the content and biological relevance of HPASMC-derived EVs. We used low-input RNA-Seq to analyse the RNAs of EVs released by HPASMC under basal conditions. This data was compared to cellular RNAs. The same experiments (RNA-seq of EV and cellular RNAs) were carried out on HPASMC treated with TGF-b1 and BMP4, recapitulating pathological conditions.

2019-11-19 | GSE131998 | GEO

Analysis of gene expression changes during long-term induction of EMT in EpRas tumor cells by TGF-b1.

Project description:EMT is a developmental process, which can be reactivated in cancer cells. Cancer cells maintaining EMT in the circulation may have pro-metastatic properties. We used microarrays to profile EMT-related gene expression changes after 14 d of TGF-b1 treatment. EpRas cells were cultured in standard conditions either in the presence of absence of recombinant TGF-b1 (2 ng/ml) for 14 d. After this period, RNA was isolated from triplicate wells of treated and non-treated cells, and hybridized on Affymetrix microarrays.

2014-09-01 | E-GEOD-59922 | biostudies-arrayexpress

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