Effect of IL-1b on primary human skin-relevant cells
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ABSTRACT:
ORGANISM(S): Homo sapiens
PROVIDER: GSE120784 | GEO | 2020/11/03
REPOSITORIES: GEO
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Project description:There is accumulating evidence to indicate that long non-coding RNAs (lncRNAs) are important regulators of the inflammatory response. In this report, we have employed next generation sequencing to identify 14 lncRNAs that are differentially expressed in human lung fibroblasts following the induction of inflammation using interleukin-1b (IL-1b). Knockdown of the two most highly expressed lncRNAs, IL7AS and MIR3142HG, showed that IL7AS negatively regulated IL-6 release whilst MIR3142HG was required for IL-8 and CCL2 release. Parallel studies in fibroblasts derived from patients with idiopathic pulmonary fibrosis showed similar increases in IL7AS levels, that also negatively regulate IL-6 release. In contrast, IL-1b-induced MIR3142HG expression was reduced by 8-fold in IPF fibroblasts, with the consequence being that MIR3142 knockdown showed no effect upon IL-8 and CCL2 release. In summary, we have catalogued those lncRNAs that are differential expression following IL-1b-activation of human lung fibroblasts and shown that these regulate the inflammatory response.
2018-10-16 | GSE121241 | GEO
Project description:Proper inflammatory responses are vital to restore tissue homeostasis against offending factors. However, it is largely under explored whether inflammatory responses are modulated by the Hippo effectors YAP/TAZ. To identify the transcription targets related to inflammatory reponses for YAP, we utilized human bronchioalveolar carcinoma cells H358 expressing YAP(5SA) or GFP (as a control) and treated with vehicle, TNFa or IL-1b, respectively. Our work disclosed the complex features of YAP/TAZ’s role in inflammatory responses.
2018-06-02 | GSE115207 | GEO
Project description:IRAK-4 is an essential component of the signal transduction complex downstream of the IL-1- and Toll-like receptors. Though regarded as the first kinase in the signaling cascade, the role of IRAK-4 kinase activity versus its scaffold function is still controversial. In order to investigate the role of IRAK-4 kinase function in vivo, knock-in mice were generated by replacing the wild type IRAK-4 gene with a mutant gene encoding kinase deficient IRAK-4 protein (IRAK-4 KD). Analysis of embryonic fibroblasts and macrophages obtained from IRAK-4 KD mice with a number of experimental techniques demonstrated that they greatly lack responsiveness to stimulation with IL-1b or a Toll-like receptor 7 (TLR7) agonist. One of the techniques used, microarray analysis, identified IRAK-4 kinase-dependent IL-1b response genes in mouse embryonic fibroblasts and revealed that the induction of IL-1b-responsive mRNAs was largely ablated in IRAK-4 KD cells. In summary, our results suggest that IRAK-4 kinase activity plays a critical role in IL-1R/TLR7-mediated induction of inflammatory responses. Experiment Overall Design: The response of mouse embryonic fibroblasts from WT and IRAK4 kinase dead animals to stimulation with IL-1b at two time points was determined. There were 12 samples in total, 6 from WT and 6 from IRAK4 kinase dead cells; for each strain there were 3 conditions: growth for 4 hours without stimulation (the strain-specific control), growth for 1 hour with stimulation, and growth for 4 hours with stimulation; for each condition there were two biological replicates.
2007-11-15 | E-GEOD-6789 | biostudies-arrayexpress
Project description:IL-1B is an important cytokine that is often found to be up-regulated during osteoarthritic and rheumatoid joint diseases. It is viewed as a catabolic factor, inducing enzymes that allow for the degradation of the cartilage extracellular matrix and also has essential roles as an autocrine and paracrine factor in fibronectin fragment-mediated degradation. It can also reduce the synthesis of the major cartilage components, type II collagen and aggrecan. On the other hand, IL-1B also has the ability to induce the growth and morphogenic factor BMP-2. During joint diseases, IL-1B is synthesized by both synovial cells and chondrocytes. Addition of IL-1 biological antagonists such as IL-1 receptor antagonists can suppress cartilage degradation in vitro. Thus, the production of IL-1B could act as the first step in mediating a cascade of other mediators in cartilage which could be relevant to the fate of the cartilage. In order to obtain a global picture of the effect of IL-1B production on human adult articular chondrocytes, we analyzed changes in gene expression induced by IL-1B by microarray analysis. We found that IL-1B has a diverse effect on gene expression profile in chondrocytes. One of the predominant responses that we observed in adult human articular chondrocytes on exposure to IL-1B is a dramatic increase in a large set of chemokines and other genes related to the inflammatory cascade. Keywords: Gene response to IL-1B (10 ng/ml) Cartilage was obtained from adult human tissue donors with above the knee amputations due to chondrosarcoma or traumatic injury or from autopsy. Chondrocytes were isolated following established protocols, maintained in high density, and treated with IL-1B (10 ng/ml). Chondrocytes treated with buffer only served as the untreated control. The experiment was carried out in duplicate. Total RNA was extracted from these chondrocytes, labeled with fluorophores (Cy3 or Cy5) and analyzed for expression changes using the Human Operon/Qiagen v3.0 oligonucleotide array. The analysis was repeated with the fluorophore dyes exchanged between the untreated and experimental RNAs.
2008-05-14 | E-GEOD-11427 | biostudies-arrayexpress
Project description:IL-1B is an important cytokine that is often found to be up-regulated during osteoarthritic and rheumatoid joint diseases. It is viewed as a catabolic factor, inducing enzymes that allow for the degradation of the cartilage extracellular matrix and also has essential roles as an autocrine and paracrine factor in fibronectin fragment-mediated degradation. It can also reduce the synthesis of the major cartilage components, type II collagen and aggrecan. On the other hand, IL-1B also has the ability to induce the growth and morphogenic factor BMP-2. During joint diseases, IL-1B is synthesized by both synovial cells and chondrocytes. Addition of IL-1 biological antagonists such as IL-1 receptor antagonists can suppress cartilage degradation in vitro. Thus, the production of IL-1B could act as the first step in mediating a cascade of other mediators in cartilage which could be relevant to the fate of the cartilage. In order to obtain a global picture of the effect of IL-1B production on human adult articular chondrocytes, we analyzed changes in gene expression induced by IL-1B by microarray analysis. We found that IL-1B has a diverse effect on gene expression profile in chondrocytes. One of the predominant responses that we observed in adult human articular chondrocytes on exposure to IL-1B is a dramatic increase in a large set of chemokines and other genes related to the inflammatory cascade. Keywords: Gene response to IL-1B (10 ng/ml)
2008-05-14 | GSE11427 | GEO
Project description:Cytokines have been shown to play a key role in the destruction of beta cells. In the rat insulinoma cell line (INS-1ab) overexpressing pancreatic duodenum homeobox 1 (Pdx1) increases sensitivity to Interleukin 1b (IL-1b). To elucidate mechanisms of action underlying Pdx1 driven potentiation of beta-cell sensitivity to IL-1β, we performed a microarray analysis of INS-1ab cells with and without Pdx1 overexpression exposed to IL-1β between 2h and 24h. INS-1ab cells were cultured with or without 500 ng/ml doxycycline (+/- DOX). After 24 h, 40 ng/ml IL-1b was either added or not (+/- IL-1b). Cells were harvested either 2h, 4h, 6h, 12h or 24h after addition of IL-1b. Four biological replicates for each of the eight groups.
2012-09-20 | E-GEOD-40642 | biostudies-arrayexpress
Project description:IRAK-4 is an essential component of the signal transduction complex downstream of the IL-1- and Toll-like receptors. Though regarded as the first kinase in the signaling cascade, the role of IRAK-4 kinase activity versus its scaffold function is still controversial. In order to investigate the role of IRAK-4 kinase function in vivo, ‘knock-in’ mice were generated by replacing the wild type IRAK-4 gene with a mutant gene encoding kinase deficient IRAK-4 protein (IRAK-4 KD). Analysis of embryonic fibroblasts and macrophages obtained from IRAK-4 KD mice with a number of experimental techniques demonstrated that they greatly lack responsiveness to stimulation with IL-1b or a Toll-like receptor 7 (TLR7) agonist. One of the techniques used, microarray analysis, identified IRAK-4 kinase-dependent IL-1b response genes in mouse embryonic fibroblasts and revealed that the induction of IL-1b-responsive mRNAs was largely ablated in IRAK-4 KD cells. In summary, our results suggest that IRAK-4 kinase activity plays a critical role in IL-1R/TLR7-mediated induction of inflammatory responses. Keywords: genetic modification, strain comparison, cell stimulation, time course, inflammatory response
2007-03-30 | GSE6789 | GEO
Project description:Effect of IL-1b on primary human skin-relevant cells
| PRJNA494529 | ENA
Project description:This program aims at identifying the lung gene signature associated with inflammation and emphysema in IL-1b-Tg mouse COPD model to facilitate understanding of the disease mechanism and therapeutic compound testing The lung profiling data was analyzed by identifying genes that were up- and down-regulated at selected p value and fold change in the lungs of IL-1b-Tg mice treated with doxycycline (to induce IL-1b transgene) compared to the corresponding water-treated controls.
2013-03-22 | E-GEOD-38075 | biostudies-arrayexpress
Project description:To investigate the response of Th17 cells to IL-1B and Dexamethasone, and the ability of IL-B to alter the steroid-responsiveness of Th17 cells
2024-04-30 | GSE230417 | GEO