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https://www.readbyqxmd.com/read/28109123/sodium-butyrate-protects-against-high-fat-diet-induced-cardiac-dysfunction-and-metabolic-disorders-in-type-ii-diabetic-mice
#1
Ling Zhang, Jianfeng Du, Naohiro Yano, Hao Wang, Yu Tina Zhao, Dubielecka-Szczerba Patricia, Shougang Zhuang, Eugene Y Chin, Gangjian Qin, Ting C Zhao
Histone deacetylases are recently identified to act as key regulators for cardiac pathophysiology and metabolic disorders. However, the function of histone deacetylase (HDAC) in controlling cardiac performance in type II diabetes and obesity remains unknown. Here we determine whether HDAC inhibition attenuates high fat diet (HFD)-induced cardiac dysfunction and improves metabolic features. Adult mice were fed with either HFD or standard chow food for 24 weeks. Starting at 12 weeks, mice were divided into four groups randomly, in which sodium butyrate (1%), a potent HDAC inhibitor, was provided to chow and HFD-fed mice in drinking water, respectively...
January 21, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28105929/a-compendium-of-human-genes-regulating-feeding-behavior-and-body-weight-its-functional-characterization-and-identification-of-gwas-genes-involved-in-brain-specific-ppi-network
#2
Elena V Ignatieva, Dmitry A Afonnikov, Olga V Saik, Evgeny I Rogaev, Nikolay A Kolchanov
BACKGROUND: Obesity is heritable. It predisposes to many diseases. The objectives of this study were to create a compendium of genes relevant to feeding behavior (FB) and/or body weight (BW) regulation; to construct and to analyze networks formed by associations between genes/proteins; and to identify the most significant genes, biological processes/pathways, and tissues/organs involved in BW regulation. RESULTS: The compendium of genes controlling FB or BW includes 578 human genes...
December 22, 2016: BMC Genetics
https://www.readbyqxmd.com/read/28104366/effects-of-acute-and-chronic-quercetin-administration-on-methylphenidate-induced-hyperlocomotion-and-oxidative-stress
#3
Luiz K S Kanazawa, Débora D Vecchia, Etiéli M Wendler, Palloma de A S Hocayen, Paulo S Berão, Manuela L de Mélo, Francislaine A Dos Reis Lívero, Claudia Rita Corso, Maria Carolina Stipp, Alexandra Acco, Roberto Andreatini
AIMS: Increases in protein kinase C (PKC) and oxidative stress have been related to mania. Drugs with antioxidant effects or inhibitory actions on PKC may have antimanic effects. The flavonoid quercetin has antioxidant and PKC-inhibiting effects that resemble those of lithium, the first-line treatment for mania in bipolar disorder. We hypothesized that quercetin may have antimanic-like effects in an animal model. MAIN METHODS: In the present study, we investigated the effects of acute and chronic treatment with quercetin (2...
January 16, 2017: Life Sciences
https://www.readbyqxmd.com/read/28100259/antitumor-activity-of-mir-34a-in-peritoneal-mesothelioma-relies-on-c-met-and-axl-inhibition-persistent-activation-of-erk-and-akt-signaling-as-a-possible-cytoprotective-mechanism
#4
Rihan El Bezawy, Michelandrea De Cesare, Marzia Pennati, Marcello Deraco, Paolo Gandellini, Valentina Zuco, Nadia Zaffaroni
BACKGROUND: The value of microRNAs (miRNAs) as novel targets for cancer therapy is now widely recognized. However, no information is currently available on the expression/functional role of miRNAs in diffuse malignant peritoneal mesothelioma (DMPM), a rapidly lethal disease, poorly responsive to conventional treatments, for which the development of new therapeutic strategies is urgently needed. Here, we evaluated the expression and biological effects of miR-34a-one of the most widely deregulated miRNAs in cancer and for which a lipid-formulated mimic is already clinically available-in a large cohort of DMPM clinical samples and a unique collection of in house-developed preclinical models, with the aim to assess the potential of a miR-34a-based approach for disease treatment...
January 18, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28098869/core%C3%A2-shell-lipid-polymer-nanoparticles-for-combined-chemo%C3%A2-and-gene-therapy-of-childhood-head-and-neck-cancers
#5
Tiesong Zhang, Jing Ma, Chao Li, Ken Lin, Fan Lou, Hongchao Jiang, Yingqin Gao, Yanli Yang, Cheng Ming, Biao Ruan
Pediatric head and neck cancers account for overall 12% of all pediatric cancers. Despite recent advances in therapeutic modalities, children with tumor metastasis have poor prognosis. Therefore, there is an unmet need for new and effective treatment modalities for pediatric head and neck cancers. The present study describes a simple and efficient method for fabrication of cationic lipid‑polymer hybrid nanoparticles (CLPNs) for co‑delivery of cisplatin (CDDP) and DNA (CDDP/DNA CLPNs) for the therapy of childhood head and neck cancers...
January 13, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28098353/the-role-of-various-peroxisome-proliferator-activated-receptors-and-their-ligands-in-clinical-practice
#6
REVIEW
Giuseppe Derosa, Amirhossein Sahebkar, Pamela Maffioli
Peroxisome proliferator-activated receptors (PPARs) are ligand-activated transcription factors involved in several physiological processes including modulation of cellular differentiation, development, metabolism of carbohydrates, lipids, proteins, and tumorigenesis. The aim of this review is to examine how different PPAR ligands act, and discuss their use in clinical practice. PPAR ligands have a lot of effects and applications in clinical practice. Some PPAR ligands such as fibrates (PPAR-α ligands) are currently used for the treatment of dyslipidemia, while pioglitazone and rosiglitazone (PPAR-γ ligands) are anti-diabetic and insulin-sensitizing agents...
January 18, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28096572/current-and-emerging-treatments-for-hypercholesterolemia-a-focus-on-statins-and-proprotein-convertase-subtilisin-kexin-type-9-inhibitors-for-perioperative-clinicians
#7
REVIEW
Terrence L Trentman, Steven G Avey, Harish Ramakrishna
Statins are a mainstay of hyperlipidemia treatment. These drugs inhibit the enzyme 3-hydroxy-3-methylglutaryl coenzyme A reductase and have beneficial effects on atherosclerosis including plaque stabilization, reduction of platelet activation, and reduction of plaque proliferation and inflammation. Statins also have a benefit beyond atherosclerotic plaque, including anticoagulation, vasodilatation, antioxidant effects, and reduction of mediators of inflammation. In the perioperative period, statins appear to contribute to improved outcomes via these mechanisms...
October 2016: Journal of Anaesthesiology, Clinical Pharmacology
https://www.readbyqxmd.com/read/28095040/consensus-statement-by-the-american-association-of-clinical-endocrinologists-and-american-college-of-endocrinology-on-the-comprehensive-type-2-diabetes-management-algorithm-2017-executive-summary
#8
Alan J Garber, Martin J Abrahamson, Joshua I Barzilay, Lawrence Blonde, Zachary T Bloomgarden, Michael A Bush, Samuel Dagogo-Jack, Ralph A DeFronzo, Daniel Einhorn, Vivian A Fonseca, Jeffrey R Garber, W Timothy Garvey, George Grunberger, Yehuda Handelsman, Irl B Hirsch, Paul S Jellinger, Janet B McGill, Jeffrey I Mechanick, Paul D Rosenblit, Guillermo E Umpierrez
EXECUTIVE SUMMARY This algorithm for the comprehensive management of persons with type 2 diabetes (T2D) was developed to provide clinicians with a practical guide that considers the whole patient, their spectrum of risks and complications, and evidence-based approaches to treatment. It is now clear that the progressive pancreatic beta-cell defect that drives the deterioration of metabolic control over time begins early and may be present before the diagnosis of diabetes (1). In addition to advocating glycemic control to reduce microvascular complications, this document highlights obesity and prediabetes as underlying risk factors for the development of T2D and associated macrovascular complications...
January 17, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28092161/estimation-of-ellagic-acid-and-or-repaglinide-effects-on-insulin-signaling-oxidative-stress-and-inflammatory-mediators-of-liver-pancreas-adipose-tissue-and-brain-in-insulin-resistant-type-2-diabetic-rats
#9
Mohamed M Amin, Mahmoud S Arbid
Even though ellagic acid has previously been valued in many models of cancer, so far its full mechanistic effect as a natural antiapoptotic agent in the prevention of type 2 diabetes complications has not been completely elucidated, which was the goal of this study. We fed albino rats a high-fat fructose diet (HFFD) for 2 months to induce insulin resistance/type 2 diabetes and then treated the rats with ellagic acid (10 mg/kg body weight, orally) and/or repaglinide (0.5 mg/kg body weight, orally) for 2 weeks...
October 21, 2016: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28090280/in-vitro-activity-of-linezolid-in-combination-with-photodynamic-inactivation-against-staphylococcus-aureus-biofilms
#10
Nasim Kashef, Mahboobeh Akbarizare, Mohammad Reza Razzaghi
BACKGROUND: Biofilm infections are a major challenge in medical practice. Bacteria that live in a biofilm phenotype are more resistant to both antimicrobial therapy and host immune responses compared to their planktonic counterparts. So, there is need for new therapeutic strategies to combat these infections. A promising approach [known as Photodynamic Inactivation (PDI)] to kill bacteria growing as biofilms uses light in combination with a photosensitizer to induce a phototoxic reaction which produces reactive oxygen species that can destroy lipids and proteins causing cell death...
January 2017: Avicenna Journal of Medical Biotechnology
https://www.readbyqxmd.com/read/28088781/mir-30c-5p-ameliorates-hepatic-steatosis-in-leptin-receptor-deficient-db-db-mice-via-down-regulating-fasn
#11
Jiahui Fan, Huaping Li, Xiang Nie, Zhongwei Yin, Yanru Zhao, Chen Chen, Dao Wen Wang
Approximately 15-40% of the general adult population suffers from non-alcoholic fatty liver disease (NAFLD) worldwide. However, no drug is currently licensed for its treatment. In this study, we observed a significant reduction of miR-30c-5p in the liver of leptin receptor-deficient (db/db) mice. Remarkably, recombinant adeno-associated virus (rAAV)-mediated delivery of miR-30c-5p was sufficient to attenuate triglyceride accumulation and hepatic steatosis in db/db mice. Through computational prediction, KEGG analysis and Ago2 co-immunoprecipitation, we identified that miR-30c-5p directly targeted fatty acid synthase, a key enzyme in fatty acid biosynthesis...
January 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28088691/stability-effect-of-cholesterol-poly-acrylic-acid-in-a-stimuli-responsive-polymer-liposome-complex-obtained-from-soybean-lecithin-for-controlled-drug-delivery
#12
M G Simões, P Alves, Manuela Carvalheiro, P N Simões
The development of polymer-liposome complexes (PLCs), in particular for biomedical applications, has grown significantly in the last decades. The importance of these studies comes from the emerging need in finding intelligent controlled release systems, more predictable, effective and selective, for applications in several areas, such as treatment and/or diagnosis of cancer, neurological, dermatological, ophthalmic and orthopedic diseases, gene therapy, cosmetic treatments, and food engineering. This work reports the development and characterization of a pH sensitive system for controlled release based on PLCs...
January 4, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28088384/the-signalling-mechanisms-of-a-novel-mitochondrial-complex-i-inhibitor-prevent-lipid-accumulation-and-attenuate-tnf-%C3%AE-induced-insulin-resistance-in-vitro
#13
Siobhán Leonard, Laura M Tobin, John B C Findlay
RTC-1 has recently been identified as a member of a new class of anti-diabetic compounds acting through the inhibition of complex I of the mitochondrial respiratory chain (NADH:ubiquinone oxidoreductase) to improve glucose handling and inhibit weight gain in mice fed a high-fat diet (HFD). The exact mechanism by which the reduced activity of NADH:ubiquinone oxidoreductase, in response to RTC-1, promotes these improved metabolic parameters remains to be established. Through extensive in vitro analysis, new molecular insights into these downstream signalling pathways have been obtained...
January 11, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28079254/pharmacological-treatment-of-vascular-risk-factors-for-reducing-mortality-and-cardiovascular-events-in-patients-with-abdominal-aortic-aneurysm
#14
REVIEW
Lindsay Robertson, Edmond Atallah, Gerard Stansby
BACKGROUND: Pharmacological prophylaxis has been proven to reduce the risk of cardiovascular events in individuals with atherosclerotic occlusive arterial disease. However, the role of prophylaxis in individuals with abdominal aortic aneurysm (AAA) remains unclear. Several studies have shown that despite successful repair, those people with AAA have a poorer rate of survival than healthy controls. People with AAA have an increased prevalence of coronary heart disease and risk of cardiovascular events...
January 12, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28078862/a-placebo-controlled-trial-of-a-proprietary-lipid-lowering-nutraceutical-supplement-in-the-management-of-dyslipidemia
#15
M Houston, R Rountree, J Lamb, S Phipps, S Meng, B Zhang
There is an ever growing emergence in the popularity of patient-driven care. As this health and wellness model grows, inquiries into diet, lifestyle, and supplemental approaches will continue to become a focal point for the healthcare consumer. Because of this, the aim of this study is to determine the tolerability, and overall effectiveness of a proprietary multi-ingredient lipid-lowering supplement in subjects with dyslipidemia. Forty participants were recruited for a single-center, double-blind randomized, placebocontrolled trial...
October 2016: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28069054/the-effect-of-a-novel-probiotic-on-metabolic-biomarkers-in-adults-with-prediabetes-and-recently-diagnosed-type-2-diabetes-mellitus-study-protocol-for-a-randomized-controlled-trial
#16
Talia Palacios, Luis Vitetta, Samantha Coulson, Claire D Madigan, Gareth S Denyer, Ian D Caterson
BACKGROUND: Shifts in the gastrointestinal microbiome have been shown to contribute to the progression of metabolic diseases including prediabetes and type 2 diabetes mellitus. Research suggests that in-vivo modulation of the gut microbiome by specific probiotic microorganisms may improve insulin sensitivity and blood sugar management, preventing or delaying the development of type 2 diabetes mellitus. However, further research is needed to understand the effect of probiotics as a therapy for the treatment of metabolic diseases...
January 9, 2017: Trials
https://www.readbyqxmd.com/read/28068529/impact-of-high-dose-statins-on-vitamin-d-levels-and-platelet-function-in-patients-with-coronary-artery-disease
#17
Monica Verdoia, Patrizia Pergolini, Roberta Rolla, Matteo Nardin, Alon Schaffer, Lucia Barbieri, Veronica Daffara, Paolo Marino, Giorgio Bellomo, Harry Suryapranata, Giuseppe De Luca
BACKGROUND: Statins represent a pivotal treatment in coronary artery disease, offering a reduction in cardiovascular risk even beyond their lipid-lowering action. However, the mechanism of these "pleiotropic" benefits of statins is poorly understood. Vitamin D has been suggested as a potential mediator of the anti-inflammatory, anti-thrombotic and vascular protecting effects of statins. Aim of present study was to assess the impact of a high-intensity statin therapy on vitamin D levels and platelet function in patients with coronary artery disease...
December 28, 2016: Thrombosis Research
https://www.readbyqxmd.com/read/28065847/a-drosophila-model-of-gdap1-function-reveals-the-involvement-of-insulin-signalling-in-the-mitochondria-dependent-neuromuscular-degeneration
#18
Víctor López Del Amo, Martina Palomino-Schätzlein, Marta Seco-Cervera, José Luis García-Giménez, Federico Vicente Pallardó, Antonio Pineda-Lucena, Máximo Ibo Galindo
Charcot-Marie-Tooth disease is a rare peripheral neuropathy for which there is no specific treatment. Some forms of Charcot-Marie-Tooth are due to mutations in the GDAP1 gene. A striking feature of mutations in GDAP1 is that they have a variable clinical manifestation, according to disease onset and progression, histology and mode of inheritance. Studies in cellular and animal models have revealed a role of GDAP1 in mitochondrial morphology and distribution, calcium homeostasis and oxidative stress. To get a better understanding of the disease mechanism we have generated models of over-expression and RNA interference of the Drosophila Gdap1 gene...
January 6, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28064554/evaluating-bempedoic-acid-for-the-treatment-of-hyperlipidaemia
#19
Peter Penson, Mary McGowan, Maciej Banach
Despite the effectiveness of statins in the treatment of lipid disorders, residual risk still exists, and hitherto studies where additional drugs were added to statin therapy have been mainly negative or the outcomes were very modest. Therefore there is still a need for new and effective oral agents in the combination therapy of lipid disorders. Areas Covered: The review covers the current state of knowledge on the mechanism of action of bempedoic acid (ETC-1002) and results from recent clinical studies. Expert Opinion: ETC-1002 is a novel oral lipid-lowering therapy...
January 9, 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/28062841/metal-based-superoxide-dismutase-and-catalase-mimics-reduce-oxidative-stress-biomarkers-and-extend-life-span-of-saccharomyces-cerevisiae
#20
Thales de P Ribeiro, Fernanda L Fonseca, Mariana D C de Carvalho, Rodrigo M da C Godinho, Fernando Pereira de Almeida, Tatiana D Saint'Pierre, Nicolás A Rey, Christiane Fernandes, Adolfo Horn, Marcos D Pereira
Aging is a natural process characterized by several biological changes. In this context, oxidative stress appears as a key factor that leads cells and organisms to severe dysfunctions and diseases. To cope with reactive oxygen species and oxidative-related damage, there has been increased use of superoxide dismutase (SOD)/catalase (CAT) biomimetic compounds. Recently, we have shown that three metal-based compounds {[Fe(HPClNOL)Cl2]NO3, [Cu(HPClNOL)(CH3CN)](ClO4)2 and Mn(HPClNOL)(Cl)2}, harboring in vitro SOD and/or CAT activities, were critical for protection of yeast cells against oxidative stress...
January 15, 2017: Biochemical Journal
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