Schisandrin C Regulates Obesity through CD36, CYP7A1 and CYP7B1 in High Fat Diet induced Obese Mice
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ABSTRACT:
PROVIDER: PRJNA944981 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR23869400_1.fastq.gz | Fastqsanger.gz | |||
| SRR23869400_2.fastq.gz | Fastqsanger.gz | |||
| SRR23869401_1.fastq.gz | Fastqsanger.gz | |||
| SRR23869401_2.fastq.gz | Fastqsanger.gz | |||
| SRR23869402_1.fastq.gz | Fastqsanger.gz |
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Project description:Using the Illumina high-throughput sequencing platform, we conducted transcriptional profiling on liver tissues of C57BL/6 mice that were treated with a high-fat diet and administered Schisandrin C, simvastatin, or both. We analyzed the resulting transcript data to determine differential gene expression at the transcript level.
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Project description:At present, the global obesity problem is becoming more and more serious, placing a huge burden on individuals and society. Obesity causes obesity-associated kidney disease, which poses great challenges to patients' lives and economies. We designed a set of experiments to study the effects of low-fat diet and adenosine interventions on kidney complications in obese mice, and found target proteins to protect obesity-associated kidney disease.
2025-01-14 | PXD059759 |
Project description:Obesity is associated with an increased incidence of high grade prostate cancer (PC) and worse prognosis for PC patients. Recently, we showed in men that obesity-related periprostatic white adipose tissue (WAT) inflammation, characterized by macrophages surrounding dead or dying adipocytes forming crown-like structures, was associated with high grade PC. Possibly, interventions that suppress periprostatic WAT inflammation will improve outcomes for men with PC. Prior to testing interventions we conducted this study to identify transcriptomic differences in periprostatic fat from lean and obese mice. We hypothesized that periprostatic fat from obese mice would have a proinflammatory signature in gene expression pattern. To test our hypothesis that obese mice would develop molecular signatures of inflammation in periprostatic fat, we fed mice low fat diet or high fat diet for 12 weeks and then harvested periprostatic fat at sacrifice. RNA was isolated and analyzed from 5 lean and 5 obese mice and analyzed by microarray.
2019-07-22 | GSE123355 | GEO
Project description:Objective Recent evidence indicates that the adult hematopoietic system is susceptible to diet-induced lineage skewing. It is not known whether the developing hematopoietic system is subject to metabolic programming via in utero high fat diet (HFD) exposure, an established mechanism of adult disease in several organ systems. We previously reported substantial losses in offspring liver size with prenatal HFD. As the liver is the main hematopoietic organ in the fetus, we asked whether the developmental expansion of the hematopoietic stem and progenitor cell (HSPC) pool is compromised by prenatal HFD and/or maternal obesity. Methods We used quantitative assays, progenitor colony formation, flow cytometry, transplantation, and gene expression assays with a series of dietary manipulations to test the effects of gestational high fat diet and maternal obesity on the day 14.5 fetal liver hematopoietic system. Results Maternal obesity, particularly when paired with gestational HFD, restricts physiological expansion of fetal HSPCs while promoting the opposing cell fate of differentiation. Importantly, these effects are only partially ameliorated by gestational dietary adjustments for obese dams. Competitive transplantation reveals compromised repopulation and myeloid-biased differentiation of HFD-programmed HSPCs to be a niche-dependent defect, apparent in HFD-conditioned male recipients. Fetal HSPC deficiencies coincide with perturbations in genes regulating metabolism, immune and inflammatory processes, and stress response, along with downregulation of genes critical for hematopoietic stem cell self-renewal and activation of pathways regulating cell migration. Conclusions Our data reveal a previously unrecognized susceptibility to nutritional and metabolic developmental programming in the fetal HSPC compartment, which is a partially reversible and microenvironment-dependent defect perturbing stem and progenitor cell expansion and hematopoietic lineage commitment. Examination of differentially expressed genes between gestational day 15 (+/- 0.5 days) C57BL/6 mouse fetal livers from diet-induced (60% fat diet) obese or control female mice.
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Project description:Rodents respond to chronic high fat diet in at least two ways: some of them may readily gain body weight and become obese (termed obesity-prone), and others may not (termed obesity-resistant). An integrated approach of transcript and metabolic profiling of obesity-prone and obesity-resistant rats has been conducted, showing significantly different transcript and metabolic profiles in the two phenotypes. The major transcriptional differences involved hepatic fatty acid metabolism and ketogenesis in response to 16 weeks of high fat diet. At the same time, the different metabolic profiles (in liver tissue extracts, serum, and urine) between the two phenotypes could be ascribed to the corresponding pathways identified with multivariate statistical analysis, including fatty acid metabolism, Krebs cycle, and amino acid metabolism. The integration of results from both transcript and metabolic profiling revealed the different responses to dietary intervention of the two phenotypes and the physiological basis of susceptibility to metabolic disease in obesity-prone rats from a systematic view.
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Project description:Obesity is associated with an increased incidence of high grade prostate cancer (PC) and worse prognosis for PC patients. Recently, we showed in men that obesity-related periprostatic white adipose tissue (WAT) inflammation, characterized by macrophages surrounding dead or dying adipocytes forming crown-like structures, was associated with high grade PC. Possibly, interventions that suppress periprostatic WAT inflammation will improve outcomes for men with PC. We found that supplemental 17β-estradiol (E2) could decrease periprostatic WAT inflammation in obese male mice in association with reduction in weight and calorie consumption. Here, we tested the hypothesis that calorie restriction alone would have similar effects on periprostatic WAT inflammation in obese male mice. To test this hypothesis, male mice were fed high fat diet to induce obesity and then switched to a 30% caloric restriction diet for an addition 7 weeks until sacrifice. LFD fed mice and mice fed HFD ad libitum serve as controls.
2019-07-22 | GSE123348 | GEO
Project description:We generated hepatocyte-specific CD36 knockout (CD36LKO) mice to study in vivo effects of CD36 on de novo lipogenesis (DNL) under high fat diet (HFD). Lipid deposition and DNL were analyzed in primary hepatocytes isolated from CD36LKO mice or HepG2 cells with CD36 overexpression. RNA-sequence, co-immunoprecipitation and proximity ligation assay were carried out to determine its role in regulating DNL. Results: Hepatic CD36 expression was upregulated in NAFLD mice and patients, and CD36LKO mice exhibited attenuated HFD-induced hepatic steatosis and insulin resistance. We identified hepatocyte CD36 as a key regulator for DNL in the liver. Sterol regulatory element-binding protein 1 (SREBP1) and its downstream lipogenic enzymes such as FASN, ACCα and ACLY were significantly downregulated in the liver of HFD-fed CD36LKO mice, whereas overexpression CD36 stimulated insulin-mediated DNL and lipid droplet formation in vitro. Mechanistically, CD36 was activated by insulin and formed a complex with insulin induced gene-2 (INSIG2), that disrupts the interaction between SREBP cleavage-activating protein (SCAP) and INSIG2, thereby leading to the translocation of SREBP1 from ER to Golgi for processing. Furthermore, treatment with 25-hydroxycholesterol or betulin, molecules shown to enhance SCAP/INSIG interaction, reversed the effects of CD36 on SREBP1 cleavage.
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Project description:Impairments in ATP production and transport in renal proximal tubule cells (RPTCs) result in obesity-induced chronic kidney disease (CKD), manifested by kidney dysfunction, inflammation, adiposity, and fibrosis. Here we assessed the role of adenine nucleotide transporter 2 (ANT2), the main regulator of cellular ATP content in RPTCs, in the development of obesity-induced CKD and its metabolic abnormalities. Obese RPTC-ANT2-/- mice exhibited normal renal morphology, function, and lack of kidney adiposity and fibrosis as well as an improvement in whole-body energy metabolism, manifested by normal glucose and lipid homeostasis and reduced hepatic steatosis. ANT2-depleted RPTCs rewired their primary metabolic program from oxidizing fatty acids as a primary energy source toward aerobic glycolysis, mediated via the testis-selective ANT4. We propose that RPTC-ANT2 plays an important role in the development of obesity-induced CKD, and that its nullification triggers mitochondrial protection, RPTC cellular survival, kidney preservation, and improvements in systemic metabolism.
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