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P38 Mitogen-Activated Protein Kinase Signals the Immunoresolving Actions of Resolvin D1 in Inflamed Human Visceral Adipose Tissue

ABSTRACT: Activation of the innate immune system leading to a persistent state of low-grade of tissue inflammation greatly influences the risk of developing metabolic complications associated with obesity. In this study, we characterized the inflammatory state in adipose tissue from obese patients and explored the potential of the specialized pro-resolving mediator (SPM) resolvin D1 (RvD1) to actively terminate inflammation and promote its resolution. By means of high-troughput transcritomic analysis we identified a cytokine-related molecular signature in obese omental adipose tissue, characterized by a remarkable overexpression of interleukin (IL)-6, IL-1β and IL-10 associated with a concomitant increase in macrophage infiltration, which gradually increased in a body mass index-dependent manner.

ORGANISM(S): Homo sapiens

PROVIDER: GSE71415 | GEO | 2016/07/28

SECONDARY ACCESSION(S): PRJNA291197

REPOSITORIES: GEO

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p38 Mitogen-Activated Protein Kinase Signals the Immunoresolving Actions of Resolvin D1 in Inflamed Human Visceral Adipose Tissue

Project description:Activation of the innate immune system leading to a persistent state of low-grade of tissue inflammation greatly influences the risk of developing metabolic complications associated with obesity. In this study, we characterized the inflammatory state in adipose tissue from obese patients and explored the potential of the specialized pro-resolving mediator (SPM) resolvin D1 (RvD1) to actively terminate inflammation and promote its resolution. By means of high-troughput transcritomic analysis we identified a cytokine-related molecular signature in obese omental adipose tissue, characterized by a remarkable overexpression of interleukin (IL)-6, IL-1Î² and IL-10 associated with a concomitant increase in macrophage infiltration, which gradually increased in a body mass index-dependent manner. RNA profiling was conducted in 4 patients with morbid obesity and 4 control subjects using the Affymetrix Human Genome U219 expression array plate containing more than 36,000 transcripts and variants (Affymetrix, Inc., Santa Clara, CA).

2016-07-28 | E-GEOD-71415 | biostudies-arrayexpress

Resolvin D1 attenuated liver injury caused by chronic ethanol and acute LPS challenge in mice

Project description:Alcohol-associated liver disease (ALD) is a major health problem with limited effective treatment options. Alcohol-associated hepatitis (AH) is a subset of severe ALD with a high rate of mortality due to infection, severe inflammation, and ultimately multi-organ failure. There is an urgent need for novel therapeutic approaches to alleviate the human suffering associated with this condition. Resolvin D1 (RvD1) promotes the resolution of inflammation and regulates immune responses. The current study aimed to test the therapeutic efficacy and mechanisms of RvD1-mediated effects on liver injury and inflammation in an experimental animal model that mimics severe AH in humans. Our data demonstrated that mice treated with RvD1 had attenuated liver injury and inflammation caused by EtOH and LPS exposure by limiting hepatic neutrophil accumulation and decreasing hepatic levels of pro-inflammatory cytokines. In addition, RvD1 treatment attenuated hepatic pyroptosis, an inflammatory form of cell death, via downregulation of pyroptosis-related genes such as GTPase family member b10 and guanylate binding protein 2, and reducing cleavage of caspase 11 and gasdermin-D. In vitro experiments with primary mouse hepatocytes and bone marrow-derived macrophages confirmed the effectiveness of RvD1 in the attenuation of pyroptosis. In summary, our data demonstrated that RvD1 treatment provided beneficial effects against liver injury and inflammation in an experimental animal model recapitulating features of severe AH in humans. Our results suggest that RvD1 may be a novel adjunct strategy to traditional therapeutic options for AH patients.

2023-09-05 | GSE220520 | GEO

Resolution of Cystic Fibrosis Lung Disease and Inflammation Driven by Mucus Obstruction with Resolvin D1

Project description:Progressive lung disease remains the major cause of morbidity and mortality of people with cystic fibrosis (CF). CF lung disease evolves from mucus obstruction into non-resolving airway inflammation, bronchiectasis, and damage that impairs respiratory and fitness activity. Therefore, therapeutic strategies that promote resolution of airway inflammation in CF to alleviate the burden of airflow obstruction and improve physical capacity are of wide interest. Here, we report that the proresolving lipid mediator resolvin (Rv) D1 halts mucus-driven inflammation in CF human cells and in vivo. RvD1 dampened migration and pathogenic phenotypes of neutrophils from volunteers with CF as well as inflammatory signaling pathways of CF bronchial epithelial cells triggered by CF mucus. In mice overexpressing the β-subunit of the epithelial Na+ channel (βENaC) RvD1 administration prevented and reverted lung inflammation caused by mucus accumulation and promoted the resolution of pulmonary exacerbation caused by P. aeruginosa. RvD1 also significantly improved physical activity and energy expenditure that are impaired in βENaC mice compared to wild type littermates. These findings demonstrate efficacy of RvD1 in enhancing resolution of lung disease and chronic inflammation associated with mucus obstruction and provide proof of concept for its potential therapeutic approach in FC.

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Project description:Maresin-1 (MaR1) and Resolvin E1 (RvE1) are specialized pro-resolving lipid mediators (SPMs) that regulate inflammatory processes. We have previously demonstrated the hard and soft tissue regenerative capacity of RvE1 in an in vivo model of periodontal disease characterized by inflammatory tissue destruction. Regeneration of periodontal tissues requires a well-orchestrated processes mediated by periodontal ligament stem-cells. However, limited data are available on how SPMs can regulate the regenerative properties of human periodontal ligament stem cells (hPDLSCs) under inflammatory conditions. Thus, we measured the impact of MaR1 and RvE1 in an in vitro model of hPDLSCs after stimulation with IL-1β and TNF-α by evaluating pluripotency, migration, proliferation, cell death, periodontal ligament markers (α-smooth muscle actin, tenomodulin, and periostin), cementum-osteogenic differentiation and phosphoproteomic perturbations. The data showed that the inflammatory milieu suppresses pluripotency, proliferation and migration of hPDLSCs; MaR1 and RvE1 both restored regenerative capacity by increasing hPDLSC proliferation, accelerating wound healing/migration, and upregulating periodontal ligament markers and cementum-osteogenic differentiation. Protein phosphorylation perturbations were associated with the SPM-induced regenerative capacity of hPDLSCs. Together, these results demonstrate that MaR1 and RvE1 restore or improve the regenerative properties of highly specialized stem cells when inflammation is present and offer opportunities for direct pharmacologic treatment of lost tissue integrity.

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Project description:RNA-seq analysis of bone marrow derived macrophages stimulated with resolvin D1(RvD1)

2020-06-19 | GSE128679 | GEO

Resolvin E1-ChemR23 Axis Regulates the Hepatic Metabolic and Inflammatory Transcriptional Landscape at the Whole Genome and Exon Level in Obesity

Project description:Livers of diet induced obese and lean wildtype and ChemR23 knocout mice injected with and without resolvin E1 (RvE1) were run on the NovaSeq 6000 for total mRNA sequencing.

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Resolvin D1 improves allograft osteointegration and directly enhances osteoblasts differentiation

Project description:Resolvin D1 improves allograft osteointegration and directly enhances osteoblasts differentiation

2023-02-08 | GSE224195 | GEO

Low Dose Pro-resolving Mediators Reset the Resolution Response to Microbial Inflammation

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2024-10-09 | GSE270972 | GEO

Linc-ADAIN, A Human Adipose LincRNA Regulates Adipogenesis by Modulating KLF5 and IL-8 mRNA stability

Project description:Adipose tissue remodeling and dysfunction, characterized by increased inflammation and insulin resistance, play a central role in obesity-related development of type 2 diabetes (T2DM) and cardiovascular diseases. Long intergenic non-coding RNAs (lincRNAs) are important regulators of cellular functions. Here we describe the functions of linc-ADAIN (ADipose Anti-INflammatory), an adipose lincRNA that is downregulated in white adipose tissue of obese humans. We demonstrate that linc-ADAIN knockdown (KD) increases KLF5 and IL-8 mRNA stability and translation, by interacting with IGF2BP2. Upregulation of KLF5 and IL-8, via linc-ADAIN KD, led to an enhanced adipogenic program and adipose tissue inflammation, mirroring the obese state, in vitro and in vivo, KD of linc-ADAIN in human ASC hTERT adipocytes implanted into mice, increased adipocyte size and macrophage infiltration compared to implanted control adipocytes, mimicking hallmark features of obesity-induced adipose tissue remodeling. Linc-ADAIN is an anti-inflammatory lincRNA that limits adipose tissue expansion and lipid storage.

2024-04-16 | GSE263852 | GEO

Gene expression profile at single cell level of leukocytes from transplanted syngeneic left lung grafts following treatment with Resolvin D1.

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2023-07-15 | GSE237110 | GEO

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