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Project description:The DIO mouse were treated with Vehicle/Entacapone for 3 weeks. Total RNA was isolated from White Adipose Tissue using the TRIzol (Invitrogen) reagent by following the company manual. For all samples the RNA integrity was checked using an Agilent Bioanalyzer 2100. Approximately 2.5 µg of total RNA was then used for library preparation using a TruSeq™ RNA Sample Prep Kit v2 (Illumina, San Diego, CA, USA) according to the manufacturer’s protocol.The libraries were sequenced using HiSeq 2500 (Illumina) in paired-read mode, creating reads with a length of 101 bp. Sequencing chemistry v2 (Illumina) was used.
2020-11-16 | GSE106995 | GEO
Project description:Entacapone treated inguinal White Adipose Tissue (iWAT) of high fat diet-induced-obesity (DIO) mouse.
| PRJNA418756 | ENA
Project description:Proteomic analysis of whole tissue and isolated mitochondria from iWAT in a mouse model of diet induced obesity with or without SANA.
2025-03-24 | PXD030485 | Pride
Project description: Not available
| S-EPMC8673360 | biostudies-literature
Project description:RNA was isolated from Vehicle/Entacapone(ENT) treated mouse inguinal White Adipose Tissue using the TRIzol (Invitrogen) reagent by following the company manual. mRNA was isolated by using Dynabeads mRNA Purification Kit (Invitrogen). For all samples the RNA integrity was checked using an Agilent Bioanalyzer 2100. Approximately 5 µg of mRNA was used for m6A-IP. The immunoprecipitated m6A modified mRNAs were then used for library preparation using a TruSeq™ RNA Sample Prep Kit v2 (Illumina, San Diego, CA, USA) according to the manufacturer’s protocol.The libraries were sequenced using HiSeq 2500(Illumina) in paired-read mode, creating reads with a length of 101 bp. Sequencing chemistry v2 (Illumina) was used.
2020-11-16 | GSE106996 | GEO
Project description:Diet and/or exercise are cost effective interventions to treat obesity. However, it is unclear if the type of exercise undertaken can prevent the onset of obesity and if it can act through different effects on fat depots. In this study we did not allow obesity to develop so we commenced the high-fat diet (HFD) and exercise programs concurrently and investigated the effect of endurance exercise (END) and high-intensity interval training (HIIT) on changes in cellular adipogenesis, thermogenesis, fibrosis, and inflammatory markers in three different fat depots, on a HFD and a chow diet. This was to assess the effectiveness of exercise to prevent the onset of obesity-induced changes. Mice fed with chow or HFD (45% kcal fat) were trained and performed either END or HIIT for 10 weeks (3 x 40 min sessions/week). In HFD mice, both exercise programs significantly prevented the increase in body weight (END: 17%, HIIT: 20%), total body fat mass (END: 46%, HIIT: 50%), increased lean mass as a proportion of body weight (Lean mass/BW) by 14%, and improved insulin sensitivity by 22%. Further evidence of the preventative effect of exercise was seen significantly decreased markers for adipogenesis, inflammation, and extracellular matrix accumulation in both subcutaneous adipose tissue (SAT) and epididymal adipose tissue (EPI). In chow, no such marked effects were seen with both the exercise programs on all the three fat depots. This study establishes the beneficial effect of both HIIT and END exercise in preventing metabolic deterioration, collagen deposition, and inflammatory responses in fat depots, resulting in an improved whole body insulin resistance in HFD mice.
| S-EPMC8371352 | biostudies-literature
Project description:Background: Plasminogen activator inhibitor (PAI)-1 levels and activity are known to increase during metabolic syndrome and obesity. In addition, previous studies have implicated PAI-1 in adipose tissue (AT) expansion while also contributing to insulin resistance. As inflammation is also known to occur in AT during obesity, we hypothesized that in a high-fat diet (HFD)-induced obese mouse model PAI-1 contributes to macrophage-mediated inflammation and metabolic dysfunction. Methods: Four- to five-weeks-old male C57B6/6J mice were fed a HFD (45%) for 14 weeks, while age-matched control mice were fed a standard laboratory chow diet (10% fat). Additional studies were performed in PAI-1 knockout mice and wild type mice treated with an inhibitor (PAI-039) of PAI-1. Macrophage polarization were measured by real time PCR. Results: HFD mice showed increased expression of PAI-1 in visceral white AT (WAT) that also displayed increased macrophage numbers. PAI-1 deficient mice exhibited increased numbers of anti-inflammatory macrophages in WAT and were resistant to HFD-induced obesity. Similarly, pharmacological inhibition of PAI-1 using PAI-039 significantly decreased macrophage infiltration in WAT and improved metabolic status in HFD-induced wild-type mice. Importantly, the numbers of M1 macrophages appeared to be increased by the HFD and decreased by either genetic PAI-1 depletion or PAI-039 treatment. Conclusions: Collectively, our findings provide support for PAI-1 contributing to the development of inflammation in adipose tissue and explain the mechanism of inflammation modulated by PAI-1 in the disordered metabolism in HFD-induced obesity.
| S-EPMC6169321 | biostudies-literature
Project description:Medicinal cannabis has garnered worldwide attention in recent years but has been hampered by the psychotropic activity of Δ9-tetrahydro-cannabinol (Δ9-THC). However, the biological activity of its precursor Δ9-THC acid (Δ9-THCA) remain largely unexplored; yet, it is known that Δ9-THCA is not psychotropic and displays PPARg agonistic activity. We report here that Δ9-THCA is a partial and selective PPARg, albeit with lower adipogenic activity than the full PPARg agonist, rosiglitazone (RGZ). In addition, Δ9-THCA enhanced osteoblastogenesis in human mesenchymal stem cells. Docking and in vitro functional assays indicated that Δ9-THCA binds and activated PPARg by acting at both the canonical and the alternative binding sites in the PPARg ligand-binding pocket. Indeed, transcriptomic signature at inguinal white adipose tissue (iWAT) from mice treated with Δ9-THCA confirmed its mode of action at PPARg. Administration of Δ9-THCA for 3-weeks in a mouse model of high fat diet (HFD)-induced obesity significantly reduced fat mass and body weight gain, and markedly ameliorated glucose intolerance and insulin resistance, while largely preventing liver steatosis, adipogenesis and macrophage infiltration in fat tissues. In addition, immunohistochemistry, transcriptomic and plasmatic biomarkers analyses showed that treatment with Δ9-THCA caused browning of iWAT and displayed potent anti-inflammatory actions in HFD mice. Altogether, our studies collectively document the potent biological activity of Δ9-THCA as a PPARggonist with capacity to substantially improve metabolic syndrome and inflammation associated to obesity. Our findings also imply that non-decarboxylated, Cannabis sativa extracts could be added to the arsenal of cannabis preparations already available in countries where medicinal cannabis is authorized.
2019-12-20 | GSE129573 | GEO
Project description:Honokiol (HON) is one of the main biological active components of the traditional Chinese medicine Magnolia officinalis and has many health benefits. The aim of this study was to investigate whether HON could alleviate obesity in mice by inhibiting adipogenesis and promoting the browning of white adipose tissue (WAT). C57BL/6 mice were divided into five groups and fed with a normal diet (ND), high-fat diet (HFD), or HFD supplemented with 200 (H200), 400 (H400), or 800 (H800) mg/kg BW HON for 8 weeks. The results showed that the mice fed HFD plus HON had lower body fat ratios (BFRs) and smaller adipocyte diameters in the epididymal WAT compared with those of the HFD group. With a proteomics analysis, the HON group upregulated 30 proteins and downregulated 98 proteins in the epididymal WAT of mice, and the steroid O-acyltransferase 1 (SOAT1) was screened as a key protein. The HON supplement prevented HFD-induced adipogenesis by reduced the mRNA and protein expression of SOAT1 and CCAAT/enhancer-binding protein-α (C/EBPα), suggesting that SOAT1 might play an important role in regulating adipogenesis. Moreover, HON treatment increased the expression of proteins related to the classical pathways of energy and lipid metabolism, such as AMP-activated kinase (AMPK) and acetyl-CoA carboxylase (ACC), and promoted the browning of epididymal WAT by upregulation of the protein expression of uncoupling protein 1 (UCP1) in the HFD mice. In conclusion, these results suggest that HON supplements could prevent increases in body fat for HFD mice by suppressing adipogenesis and promoting WAT browning.
| S-EPMC8224378 | biostudies-literature
Project description:Transcriptomics analysis of gene expression in vehicle/Entacapone treated inguinal White Adipose Tissue (iWAT) of high fat diet-induced-obesity (DIO) mouse.
| PRJNA418759 | ENA