Effect of berberine on global modulation of lncRNA and mRNA expression profiles in patients with stable coronary heart disease
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ABSTRACT:
ORGANISM(S): Homo sapiens
PROVIDER: GSE186019 | GEO | 2022/06/01
REPOSITORIES: GEO
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2007-05-30 | GSE7944 | GEO
Project description:The anti-diabetes activity of Rhizoma Coptidis was documented in the book âNotes of Elite Physiciansâ written by Hongjing Tao 1500 years ago. Berberine (BBR) is the major isoquinoline alkaloid constituent of the Chinese herb Rhizoma Coptidis, which has the beneficial characteristic of regulating glucose and lipid metabolism and has been extensively used in the treatment of obesity, diabetes and hypercholesterolemia. However, the effect of berberine on specific diabetes treatment targets is unknown. This study was conducted to elucidate the genome-wide gene expression profile in Zucker Diabetic Fatty Rats liver tissues in response to Berberine treatment.
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Project description:Insulin resistance (IR) is likely to induce metabolic syndrome and type 2 diabetes mellitus (T2DM). Gluconeogenesis (GNG) is a complex metabolic process that may result in glucose generation from certain non-carbohydrate substrates. Chinese herbal medicine astragalus polysaccharides and berberine have been documented to ameliorate IR, and combined use of astragalus polysaccharide (AP) and berberine (BBR) are reported to synergistically produce an even better effect. However, what change may occur in the GNG signaling pathway of IR-HepG2 cells in this synergistic effect and whether AP-BBR attenuates IR by regulating the GNG signaling pathway remain unclear. For the first time, we discovered in this study that the optimal time of IR-HepG2 cell model formation was 48 hours after insulin intervention. AP-BBR attenuated IR in HepG2 cells and the optimal concentration was 10mg. AP-BBR reduced the intracellular H2O2 content with no significant effect on apoptosis of IR-HepG2 cells. In addition, a rapid change was observed in intracellular calcium current of the IR-HepG2 cell model, and AP-BBR intervention attenuated this change markedly. The gene sequencing results showed that the GNG signaling pathway was one of the signaling pathways of AP-BBR to attenuate IR in IR-Hepg2 cells. The expression of p-FoxO1Ser256 and PEPCK protein was increased and the expression of GLUT2 protein was decreased significantly in the IR-HepG2 cell model, and both of these effects could be reversed by AP-BBR intervention. AP-BBR attenuated IR in IR-HepG2 cells, probably by regulating the GNG signaling Pathway.
2019-11-14 | GSE139929 | GEO
Project description:The understanding of the effects of compounds on the gut microbiome is limited and in particular we don’t know whether structurally similar compounds have similar or distinct effects on the gut microbiome. Here we selected berberine (BBR), an isoquinoline quaternary alkaloid, and sixteen structural analogues, and evaluated their effects on in vitro cultured individual gut microbiomes. The responses of the individual microbiomes were evaluated by metaproteomic profiles and by assessing butyrate production. BBR and eight analogues led to changes in proteins involved in microbial defense and stress responses, and enrichment of proteins from Verrumicrobia, Proteobacteria and Bacteroides phyla. It also led to a decrease in proteins from the Firmicutes phylum and its Clostridiales order which correlated to decrease proteins involved in the butyrate production pathway and butyrate concentration. Three of the compounds, Sanguinarine, Chelerythrine and Ethoxysanguinarine activated bacterial protective mechanisms, enriched Proteobacteria, increased opacity proteins and markedly reduced butyrate production. Dihydroberberine had a similar function to BBR in enriching the Akkermansia genus. In addition, it showed less overall adverse impacts on the functionality of the gut microbiome, including a better maintenance of the butyrate level. Our study shows that ex vivo microbiome assay can assess differential regulating effects of compounds with subtle differences and reveals that compound analogues can have distinct effects on the microbiome.
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Project description:Thyroid hormone improves left ventricular remodeling and cardiac performance after myocardial infarction (MI), but the molecular basis is unknown. This study was designed to detect gene expression changes in left ventricular non-infarcted areas at 4 weeks following myocardial infarction with and without thyroid hormone treatment. The results suggest that altered expression of genes for molecular function and biological process may be involved in the beneficial effects of thyroid hormone treatment following myocardial infarction in rats. MI was produced by ligation of the left anterior descending coronary artery in female SD rats. Rats were divided into the following groups: (1) Sham MI, (2) MI, and (3) MI+T4 treatment (T4 pellet 3.3mg, 60 days release, implanted subcutaneously immediately following MI). Four weeks after surgery, total RNA was isolated from left ventricular non-infarcted areas for microarray analysis using the Illumina RatRef-12 Expression BeadChip Platform.
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Project description:In this study, we used a cardiac-specific, inducible expression system to activate YAP in adult mouse heart. Activation of YAP in adult heart promoted cardiomyocyte proliferation and did not deleteriously affect heart function. Furthermore, YAP activation after myocardial infarction (MI) preserved heart function and reduced infarct size. Using adeno-associated virus subtype 9 (AAV9) as a delivery vector, we expressed human YAP in the murine myocardium immediately after MI. We found that AAV9:hYAP significantly improved cardiac function and mouse survival. AAV9:hYAP did not exert its salutary effects by reducing cardiomyocyte apoptosis. Rather, we found that AAV9:hYAP stimulated adult cardiomyocyte proliferation. Gene expression profiling indicated that AAV9:hYAP stimulated cell cycle gene expression, enhanced TGFβ-signaling, and activated of components of the inflammatory response.Cardiac specific YAP activation after MI mitigated myocardial injury after MI, improved cardiac function and mouse survival. These findings suggest that therapeutic activation of hYAP or its downstream targets, potentially through AAV-mediated gene therapy, may be a strategy to improve outcome after MI. Three groups were involved in this study: sham group, AAV9:Luci+MI group and AAV9-YAP+MI group. Each group contained three biological replicates. The sham group had neither myocardial infarction nor AAV injection. The AAV9:Luci +MI(L for brief) group had myocardial infarction and injected with AAV9:Luic. The AAV9:hYAP+MI(YAP for brief) group had myocardial infarction and injected with AAV9:hYAP. 5 days after MI and AAV injection, the heart apexes were collected and the total RNA were isolated for microarray analysis.
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Project description:Heart failure (HF) is the most common cause of morbidity and mortality in the developed countries, especially considering the present demographic tendencies in those populations. We identified biologically relevant transcripts that are significantly altered in the early phase of myocardial infarction (MI) and are associated with the development of post-myocardial infarction HF. We collected peripheral blood samples from patients (n=111) with ST-segment elevation myocardial infarction (STEMI) at four time points (admission, discharge, 1 month after MI, and 6 months after MI). Control group comprised patients (n=46) with a stable coronary artery disease and without a history of myocardial infarction. Affymetrix HuGene 1.0 ST arrays were used to analyze mRNA levels in periperal blood mononuclear cells (PBMCs) isolated from the study and control groups. Samples from the first three time points were compared with the samples from the same patients collected 6 months after MI (stable phase) and with the control group. Additionaly, based on plasma NT-proBNP level and left ventricular ejection fraction parameters the STEMI patients were divided into HF and non-HF groups.We attempted to identify transcripts whose differential expression on the 1st day of myocardial infarction predicted which patients would develop symptoms of HF during the 6 months of follow-up. For this purpose, we compared the microarray results for samples collected on admission for the HF group versus the non-HF group.
2015-05-21 | E-GEOD-59867 | biostudies-arrayexpress
Project description:[1] Microarray analysis in the rat myocardial tissue: 124I-HIB transplanted MI model Vs. phosphate buffered saline (PBS) injected myocardial infarction (MI) model Vs. Sham operated model [2] Microarray analysis in the rat adipose derived stem cells: 124I-HIB-labeled ADSCs Vs. Unlabeled ADSCs [1] We investigated the change of gene expression profile in sham operated-, PBS injected- and 124I-HIB-labeled ADSCs transplanted myocardium in rat myocaridial infarction (MI) model. [2] We compared gene expression profile with 124I-HIB labeled ADSCs and unlabeled ADSCs in vitro.
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