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LncRNAs expression profiling in small extracellular vesicles derived from brown adipose tissue

ABSTRACT: LncRNAs expression profiling in small extracellular vesicles derived from brown adipose tissue

PROVIDER: PRJNA805100 | ENA |

REPOSITORIES: ENA

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LncRNAs expression profiling in small extracellular vesicles derived from brown adipose tissue

Project description:Brown adipose tissue (BAT) is considered as a main site of adaptive thermogenesis and the thermogenic activities of brown and beige adipocytes are also linked to generating heat and counteracting obesity. Recent studies revealed that BAT could secrete certain batokines-like factors especially small extracellular vesicles (sEV), which contributed to the systemic consequences of BAT activities. As a newly emerging class of mediators, some long non-coding RNAs (lncRNAs) have exhibited metabolic regulatory effects in adipocyte development. However, besides the well-studied lncRNAs, the lncRNAs carried by sEV derived from brown adipose tissue (sEV-BAT) have not been characterized yet. In this study, we conducted a lncRNA microarray assay on sEV-WAT and sEV-BAT. A total of 563 types of known lncRNAs were identified to be differentially expressed, among which 232 lncRNAs were upregulated and 331 lncRNAs were downregulated in sEV-BAT. Three novel candidates (AK029592, humanlincRNA1030 and ENSMUST00000152284) were selected for further validation. LncRNA–mRNA network analysis revealed candidate lncRNAs were largely embedded in cellular metabolic pathways. During adipogenic and thermogenic phenotype differentiation in ASCs and 3T3-L1 cells, only the expressions of AK029592 were upregulated. The three lncRNAs were all relatively enriched in brown adipose tissues and brown adipocytes. In different adipocytes, sEV and adipose tissue, the expression of AK029592 and ENSMUST00000152284 were significantly decreased in obese mice compared to lean controls, while obesity could not alter the expression of humanlincRNA1030.

2022-02-12 | GSE196468 | GEO

TMT-based quantitative proteomic analysis of extracellular vesicles (EVs) released from brown/white adipose tissue following cold exposureTMT-based quantitative proteomic analysis of extracellular vesicles (EVs) released from brown/white adipose tissue following cold exposure

Project description:The proteome cargo of extracellular vesicles released from brown adipose tissue (BAT) and from white adipose tissue (WAT) of mice subjected to cold exposure (4°C) was analysed by a TMT-based quantitative proteomic procedure in order to obtain new information on the processes of thermogenesis.

2022-05-20 | PXD026080 | Pride

Response of RAW 264.7 cell line to treatment with extracellular vesicles isolated from brown adipocytes

Project description:Analysis of the response of macrophages treated with brown adipocyte extracellular vesicles (EVs) to decipher their possible immunomodulatory role

2021-07-21 | E-MTAB-10655 | biostudies-arrayexpress

miRNA cargo of extracellular vesicles in the proinflammatory obese adipose environment

Project description:miRNA detected in Extracellular Vesicles obtained from adipose tissue of patients undergoing bariatric surgery or from human adipose microvascular endothelial cells (HAMVEC) either untreated or treated with proinflammatory cytokines (PIC)

2022-08-22 | GSE208207 | GEO

De novo reconstruction of human adipose reveals conserved lncRNAs as regulators of brown adipogenesis

Project description:Obesity has emerged as a formidable health crisis due to its association with metabolic risk factors such as diabetes, dyslipidaemia and hypertension. Recent work has demonstrated the multifaceted roles of lncRNAs in regulating mouse adipose development, but its implication in human adipocytes remain largely unknown at least partially due to the lack of a comprehensive lncRNA catalog, particularly those specifically expressed in brown adipose tissue (BAT). In this study, we performed deep RNA-seq on adult subcutaneous, omental and fetal brown adipose tissues to de novo construct a catalog of 3,149 adipose active lncRNAs of which 1,351 are specifically detected in BAT. We further identified 318 lncRNAs conserved between human and mouse which, compared with non-conserved ones, are more broadly expressed in multiple cell types. One of these, lnc-dPRDM16, is transcribed divergently from Prdm16, tightly correlated with Prdm16 (R ≥ 0.7) in both mouse and human, and co-expressed (R ≥ 0.7) with protein-coding genes enriched in lipid and fatty acid catabolic processes. Loss of function of lnc-dPRDM16 led to a down-regulation of Prdm16 and an obvious reduction of adipogenesis in brown adipocyte culture. Together, our work has provided a comprehensive human adipose catalog built from diverse fat types, which when applied to our roadmap, identifies lnc-dPRDM16 as a promising modulator of adipose development for future clinical research.

2018-04-16 | GSE97205 | GEO

LncRNAs expression profiling in adipose tissues and during brown adipocyte differentiation

Project description:Brown and beige fats generate heat via uncoupled respiration to defend against cold, mechanistically, through the action of a network of transcription factors and cofactors. Here we globally profiled long noncoding RNAs (lncRNAs) gene expression during thermogenic adipocyte formation and identified Brown fat lncRNA 1 (Blnc1) as a novel nuclear lncRNA that promotes brown and beige adipocyte differentiation and function by forming a feedforward regulatory loop with EBF2 to drive adipogenesis toward thermogenic phenotype. LncRNAs expression were measured in BAT and WAT from mice injected saline/CL and during brown adipocyte differentiation with two replicates using Arraystar Mouse LncRNA microarray V2.0

2015-02-28 | E-GEOD-57643 | biostudies-arrayexpress

Impact of Group Psychological Interventions on Extracellular Vesicles in People Who Had Cancer

Project description:Background: There is some evidence demonstrating the effect of psychological interventions in improvements in health biological parameters. To best of our knowledge, no study had addressed the impact of any psychological intervention on extracellular vesicles. In addition, Mindfulness-Based Cognitive Therapy (MBCT) and Emotion Focused Therapy for Cancer Recovery (EFT-CR) in the group have never been explored regarding extracellular vesicles and the effectiveness of these was not compared yet. Objectives: 1. To explore and compare the effect of MBCT and EFT-CR on biological parameters and psychological variables in distressed people who have had breast, prostate and colorectal cancer; 2. In addition, we will explore the acceptability through recruitment and retention rates of MBCT and EFT-CR in group and evaluate whether these interventions are appropriate for a larger clinical trial. Methods: The design of this study is a parallel randomized controlled trial. Participants will be randomized into MBCT, EFT-CR or usual care. Outcome measures will be assessed before, at the end of the intervention (8 weeks) and follow-ups (24 and 52 weeks from the baseline moment). Hypotheses: The researchers expected that both interventions will have an effect on extracellular vesicles and other study biomarkers as well as improvements in psychological outcomes, compared to treatment as usual (TAU) group. Regarding the comparative effectiveness, we did not have evidence to hypothesize which one of the interventions will be superior in both biological (extracellular vesicles) and psychological outcomes. Contribution for practice: The results of this preliminary study would permit to know if there are benefits of these psychological interventions on changes in extracellular vesicles and on psychological outcomes related to health. In addition, this study will permit to determine the acceptability of conducting a larger randomized controlled trial.

| 2332322 | ecrin-mdr-crc

miRNA expression in extracellular vesicles from mouse adipose tissues

Project description:miRNA expression in extracellular vesicles from mouse adipose tissues

| PRJNA1079392 | ENA

Human breast adipose tissue extracellular vesicles

Project description:Proteomic analysis was performed on extracellular vesicles from human breast adipose tissue

2023-12-04 | PXD045471 | Pride

Brown Adipose Tissue

Project description:Brown Adipose Tissue

| PRJNA1046054 | ENA