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Condition: Diabetes
Nutrition: High Fat

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Total 72 results found since Jan 2013.

Chemerin/CMKLR1 Axis Promotes Inflammation and Pyroptosis by Activating NLRP3 Inflammasome in Diabetic Cardiomyopathy Rat
In this study, we investigated the role of the chemerin/CMKLR1 axis in mediating inflammation and cell death in DCM. Sprague–Dawley rats, treated with a high-fat diet and low-dose of streptozotocin, were used as a DCM model. CMKLR1 expression was knocked down by siRNA (CMKLR1-siRNA) to evaluate the role of CMKLR1 in DCM. Chemerin-treated H9c2 cells were used to investigate the factors acting downstream of the chemerin/CMKLR1 axis. LDH release and EthD-III staining were used to measure the ratio of cell death in vitro. CMKLR1-siRNA and siRNA against nucleotide-binding oligomerization domain-like receptors 3 (NLRP3-siRNA) ...
Source: Frontiers in Physiology - April 22, 2020 Category: Physiology Source Type: research

Long Non-Coding RNA (lncRNA) SNHG5 Participates in Vertical Sleeve Gastrectomy for Type II Diabetes Mellitus by Regulating TGR5.
CONCLUSIONS By downregulating expression of the SNHG5 gene and then altering expression of the TGR5 gene, the damage to colorectal cells induced by high glucose was alleviated. This may be one of the mechanisms underlying the effect of sleeve gastric surgery in treatment of diabetes mellitus. PMID: 32242546 [PubMed - in process]
Source: Medical Science Monitor - April 4, 2020 Category: Research Tags: Med Sci Monit Source Type: research

Resveratrol improves high-fat diet-induced insulin resistance in mice by downregulating the lncRNA NONMMUT008655.2.
The objective of this study was to investigate whether RSV improves high-fat diet-induced insulin resistance in mice by regulating thelncRNANONMMUT008655.2 in vivo and in vitro. To this end, animal and cell insulin resistance models were developed. Specifically, C57BL/6J mice were fed a high-fat diet (HFD) and administered RSV for eight weeks. Additionally, mouse Hepa cells were treated with palmitic acid, transfected with siRNA NONMMUT008655.2, and treated with RSV. Treated mice and cells were then compared to normal controls that were not exposed to RSV. In the animal model, RSV was found to decrease the levels of fastin...
Source: American Journal of Translational Research - February 15, 2020 Category: Research Tags: Am J Transl Res Source Type: research

Obesity-induced reduced expression of the lncRNA ROIT impairs insulin transcription by downregulation of Nkx6.1 methylation
Conclusions/interpretationThese findings functionally suggest a novel link between obesity and beta cell dysfunction via ROIT. Elucidating a precise mechanism for the effect of obesity on lncRNA expression will broaden our understanding of the pathophysiological development of diabetes and facilitate the design of better tools for diabetes prevention and treatment.Data availabilityThe raw RNA sequencing data are available from the NCBI Gene Expression Omnibus (GEO series accession number GSE139991).
Source: Diabetologia - January 31, 2020 Category: Endocrinology Source Type: research

Inhibition of inflammation-mediated DPP-4 expression by linagliptin increases M2 macrophages in atherosclerotic lesions.
CONCLUSIONS: Linagliptin increased M2 macrophage polarization by inhibiting DPP-4 expression and activity. These findings may indicate the beneficial effects of DPP-4 inhibitors on the progression of diabetic macrovascular complications. PMID: 31964532 [PubMed - as supplied by publisher]
Source: Biochemical and Biophysical Research communications - January 17, 2020 Category: Biochemistry Authors: Nishida S, Matsumura T, Senokuchi T, Murakami-Nishida S, Ishii N, Morita Y, Yagi Y, Motoshima H, Kondo T, Araki E Tags: Biochem Biophys Res Commun Source Type: research

Interleukin-27 decreases ghrelin production through signal transducer and activator of transcription 3—mechanistic target of rapamycin signaling
In conclusion, IL-27 suppresses ghrelin production through the STAT3-mTOR dependent mechanism.Graphical abstractIL-27 stimulates the activity of STAT3 and mTOR. IL-27 also enhances the interaction between STAT3 and mTOR, leading to the subsequent inhibition of ghrelin expression and appetite.
Source: Acta Pharmaceutica Sinica B - January 8, 2020 Category: Cancer & Oncology Source Type: research

Role of ATP-binding cassette transporter A1 in suppressing lipid accumulation by glucagon-like peptide-1 agonist in hepatocytes
ConclusionsOur data reveals that exendin-4 stimulates hepatic ABCA1 expression and reduces lipid accumulation by the CaMKK/CaMKIV/PREB pathway, suggesting that ABCA1 and PREB might be the therapeutic targets in fatty liver disease.Graphical abstract
Source: Molecular Metabolism - January 7, 2020 Category: Endocrinology Source Type: research

DEL-1 ameliorates high-fat diet-induced insulin resistance in mouse skeletal muscle through SIRT1/SERCA2-mediated ER stress suppression.
Abstract Inflammation and endoplasmic reticulum (ER) stress are associated with the development of insulin resistance and diabetes. Developmental endothelial locus-1 (DEL-1) enhances efferocytosis by macrophage and suppresses inflammatory response. However, effects of DEL-1 on ER stress-mediated insulin resistance in skeletal muscle remain unclear. Here, DEL-1 treatment augmented SIRT1 expression in C2C12 myocytes, thereby increasing SERCA2 expression in a dose-dependent fashion, and attenuated ER stress and insulin resistance under palmitate treatment condition. SIRT1/SERCA2 knockdown abrogated effects of DEL-1 o...
Source: Biochemical Pharmacology - November 24, 2019 Category: Drugs & Pharmacology Authors: Long Sun J, Park J, Lee T, Hoon Jeong J, Woo Jung T Tags: Biochem Pharmacol Source Type: research

FcgRIII Deficiency and FcgRIIb Defeciency Promote Renal Injury in Diabetic Mice.
Abstract The immune system is involved in the development of diabetes complications and IgG Fc gamma receptors (FcgRs) are key immune receptors responsible for the effective control of both humoral and innate immunity. We investigated the effects of members of the FcgR superfamily into both the streptozotocin plus high fat-induced type 2 diabetes and high fat diet (HFD) models. FcgRIII-/- diabetic mice and FcgRIIb-/- diabetic mice had elevated levels of serum creatinine compared with wildtype (WT) diabetic mice. Renal histology of diabetic FcgRIII knockout and FcgRIIb knockout mice showed mesangial expansion and G...
Source: Biomed Res - September 21, 2019 Category: Research Authors: Zhang R, Wang T, Yin Q, Zhang J, Li L, Guo R, Han Q, Li H, Wang Y, Wang J, Gurung P, Lu Y, Cheng J, Bai L, Zhang J, Liu F Tags: Biomed Res Int Source Type: research

High Fat and Diet Induced Obesity
i-FectTM Delivers Again!Research shows that rats and humans on a high-fat diet (HFD) are less sensitive to satiety signals known to act via vagal afferent pathways. Impaired vagal afferent responsiveness to both gastric satiety hormones (CCK and leptin) and mechanical stimulation raises the possibility that changes in electrophysiological properties may be the underlying mechanism responsible for impaired vagal responsiveness to a wide variety of satiety signals.Potassium channels play a central role. To demonstrate this researchers used ouri-Fect siRNA Transfection Kit to silence TRESK and TASK1 to understand there impact...
Source: Neuromics - September 16, 2019 Category: Neuroscience Tags: diabetes iFect obesity Obesity Research RNAi siRNA siRNA delivery in-vivo Source Type: news

Modulation of Sirt1/NF- κB interaction of evogliptin attributed to inhibition of vascular inflammatory response leading to attenuation of atherosclerotic plaque formation.
This study demonstrates that the protective effect of evogliptin on atherosclerotic progression via inhibition of vascular inflammation. The findings imply that evogliptin has potential for anti-atherosclerosis therapy that targets arterial inflammation. PMID: 31421133 [PubMed - as supplied by publisher]
Source: Biochemical Pharmacology - August 13, 2019 Category: Drugs & Pharmacology Authors: Anh Nguyen P, Soon Won J, Khalilur Rahman M, Ju Bae E, Kyung Cho M Tags: Biochem Pharmacol Source Type: research

Tangshen Formula Alleviates Hepatic Steatosis by Inducing Autophagy Through the AMPK/SIRT1 Pathway
Conclusion In conclusion, the present study demonstrated that autophagy was involved in relieving the effects of TSF against NAFLD, which were mediated by the AMPK/SIRT1 pathway (Figure 7D). These findings may improve our current understanding of the role of TSF in treating hepatic steatosis and provide an experimental basis for the clinical application of TSF in NAFLD and its related metabolic syndrome. Ethics Statement This study was carried out in accordance with the recommendations in the Guide for the Care and Use of Laboratory Animals of the National Institutes of Health. The protocol was approved by the Ethics Co...
Source: Frontiers in Physiology - April 25, 2019 Category: Physiology Source Type: research

TonEBP Suppresses the HO-1 Gene by Blocking Recruitment of Nrf2 to Its Promoter
Discussion Dynamic changes in the functional phenotype of macrophages are associated with pathogenesis of inflammatory diseases (5–7). TonEBP primes macrophages toward an M1 phenotype, which has pro-inflammatory properties. TonEBP does this by promoting expression of pro-inflammatory genes via interaction with NF-κB (36) and by binding directly to the promoter (37, 64). In addition, TonEBP suppresses expression of the anti-inflammatory cytokine IL-10 by limiting chromatin access to the promoter (37). The pro-inflammatory function of TonEBP suggests that inhibiting its expression or activation could suppres...
Source: Frontiers in Immunology - April 17, 2019 Category: Allergy & Immunology Source Type: research

Increasing Upstream Chromatin Long –Range Interactions May Favor Induction of Circular RNAs in LysoPC-Activated Human Aortic Endothelial Cells
We examined the sponging potential of all significantly changed circRNAs using the CircInteractome database (Montefiori et al., 2018), recording two miRNAs with four or more predicted binding sites in a single circRNA transcript, a threshold above which meaningful sponging activity is likely to occur Memczak et al. (2013). Another four significantly changed circRNAs are experimentally shown to sponge miRNAs (Dudekula et al., 2016; Chen et al., 2017; Yan et al., 2017; Wang et al., 2018), for six total circRNAs with miRNA sponging activity including miR125, miR143, miR1272, miR153, miR515-5p, and miR196a-5p (Table 4). In Fig...
Source: Frontiers in Physiology - April 17, 2019 Category: Physiology Source Type: research

FGF21 as Modulator of Metabolism in Health and Disease
In conclusion, FGF21 belongs to a promising class of cytokines that are induced in response to stress and that can be used as a drug, drug target, or through a biomarker, depending on the physio-pathological context. All these findings will become clear when FGF21 will be used as a therapeutic molecule, exploiting the beneficial effects of FGF21 for treating metabolic disease or when it will be blocked to ameliorate disease progression and the onset of disease. Author Contributions CT and MS wrote the manuscript. VR contributed to the discussion. Funding This work was supported from the AFM-Telethon (19524), Italian Mi...
Source: Frontiers in Physiology - April 16, 2019 Category: Physiology Source Type: research