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Transforming growth factor beta 1 induces methylation changes in lung fibroblasts

ABSTRACT: Transforming growth factor beta 1 induces methylation changes in lung fibroblasts

PROVIDER: PRJNA557426 | ENA |

REPOSITORIES: ENA

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Transforming growth factor beta 1 induces methylation changes in lung fibroblasts [Illumina]

Project description:Transforming growth factor beta 1 induces methylation changes in lung fibroblasts [Illumina]

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Transforming growth factor beta 1 induces methylation changes in lung fibroblasts [Affymetrix]

Project description:Transforming growth factor beta 1 induces methylation changes in lung fibroblasts [Affymetrix]

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Transforming growth factor beta 1 induces methylation changes in lung fibroblasts

Project description:This SuperSeries is composed of the SubSeries listed below. Idiopathic pulmonary fibrosis (IPF) is a complex disease of unknown etiology. Environmental factors can affect disease susceptibility via epigenetic effects. Few studies explore global DNA methylation in lung fibroblasts, but none have focused on transforming growth factor beta-1 (TGF-b1) as a potential modifier of the DNA methylome. Here we analyzed changes in methylation and gene transcription in normal and IPF fibroblasts following TGF-b1 treatment.

2019-07-31 | GSE135099 | GEO

Transforming growth factor beta 1 induces methylation changes in lung fibroblasts [Affymetrix]

Project description:Idiopathic pulmonary fibrosis (IPF) is a complex disease of unknown etiology. Environmental factors can affect disease susceptibility via epigenetic effects. Few studies explore global DNA methylation in lung fibroblasts, but none have focused on transforming growth factor beta-1 (TGF-b1) as a potential modifier of the DNA methylome. Here we analyzed changes in methylation and gene transcription in normal and IPF fibroblasts following TGF-b1 treatment.

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Transforming growth factor beta 1 induces methylation changes in lung fibroblasts [Illumina]

2019-07-31 | GSE135097 | GEO

Spleen vs TGF-beta (transforming growth factor-beta) Treated B cell

Project description:total RNA from mouse (male c57BL/6) spleen labeled with Cy3 vs total RNA from mouse (male c57BL/6) B cells treated with TGF-beta (transforming growth factor-beta) labeled with Cy5- time course with repeats Keywords: ordered

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Glutamine deficiency drives transforming growth factor-β signaling activation that gives rise to myofibroblastic carcinoma-associated fibroblasts

Project description:Tumor-promoting carcinoma-associated fibroblasts (CAFs), abundant in the mammary tumor microenvironment (TME), maintain transforming growth factor-β (TGF-β)-Smad2/3 signaling activation and the myofibroblastic state, the hallmark of activated fibroblasts. How myofibroblastic CAFs (myCAFs) arise in the TME and which epigenetic and metabolic alterations underlie activated fibroblastic phenotypes remain, however, poorly understood. We herein show global histone deacetylation in myCAFs present in tumors to be significantly associated with poorer outcomes in breast cancer patients. As the TME is subject to glutamine (Gln) deficiency, human mammary fibroblasts (HMFs) were cultured in Gln-starved medium. Global histone deacetylation and TGF-β-Smad2/3 signaling activation are induced in these cells, largely mediated by class I histone deacetylase (HDAC) activity. Additionally, mechanistic/mammalian target of rapamycin complex 1 (mTORC1) signaling is attenuated in Gln-starved HMFs, and mTORC1 inhibition in Gln-supplemented HMFs with rapamycin treatment boosts TGF-β-Smad2/3 signaling activation. These data indicate that mTORC1 suppression mediates TGF-β-Smad2/3 signaling activation in Gln-starved HMFs. Global histone deacetylation, class I HDAC activation, and mTORC1 suppression are also observed in cultured human breast CAFs. Class I HDAC inhibition or mTORC1 activation by high-dose Gln supplementation significantly attenuates TGF-β-Smad2/3 signaling and the myofibroblastic state in these cells. These data indicate class I HDAC activation and mTORC1 suppression to be required for maintenance of myCAF traits. Taken together, these findings indicate that Gln starvation triggers TGF-β signaling activation in HMFs through class I HDAC activity and mTORC1 suppression, presumably inducing myCAF conversion.

2023-11-03 | GSE217046 | GEO

Glutamine deficiency drives transforming growth factor-β signaling activation that gives rise to myofibroblastic carcinoma-associated fibroblasts

2023-11-03 | GSE217657 | GEO

Transforming growth factor beta 1 induces methylation changes in lung fibroblasts.

Project description: Not available

| S-EPMC6788707 | biostudies-literature

Transforming growth factor β (TGFβ) and BMP7 regulate glioblastoma stem cells differentiation status

Project description:Glioblastoma stem cells (GSCs) fate is controlled by environmental cues, among which cytokines play a crucial role. The transforming growth factor β (TGFβ) family signaling pathways controls GSCs. On one hand, TGFβ promotes cell proliferation in GBM, it induces the expression of platelet-derived growth factor-B (PDGFB). Moreover, TGFβ, via its signaling mediators Smad2/3, induces the expression of the cytokine leukemia inhibitory factor (LIF) and Sox4, which in turn enhances the expression of the stem cell transcription factor Sox2; this increases the self-renewal capacity of the GSCs and their stemness characteristics, and enhances the GSC tumor-initiating potential. On the other hand, Bone morphogenic proteins (BMPs) are known to promote GSC differentiation towards the astrocytic phenotype. To further understand which genes are regulated by TGFβ and BMP7 in GSCs we performed a microarray in the Affymetrix HTA2 platform in three different glioblastoma cell line, U2987, and two patient-derived glioblastoma stem cells, U3031MG and U3034MG, in the presence or absence of 5 ng/ml of TGFβ or 30 ng/ml BMP7 for 24 h, three biological replicates per condition.

2020-09-01 | E-MTAB-9076 | biostudies-arrayexpress

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