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https://www.readbyqxmd.com/read/28441146/epigenetic-regulation-of-glucose-metabolism
#1
Sapna Sharma, Jennifer Kriebel, Harald Grallert
PURPOSE OF REVIEW: Glucose metabolism is a central process in mammalian energy homeostasis. Its deregulation is a key factor in development of metabolic disease like diabetes and cancer. In recent decades, our understanding of gene regulation at the signaling, chromatin and posttranscriptional levels has seen dramatic developments. RECENT FINDINGS: A number of epigenetic mechanisms that do not affect the genetic code can be assessed with new technologies. However, increasing complexity becomes a major challenge for translation into clinical application...
April 24, 2017: Current Opinion in Clinical Nutrition and Metabolic Care
https://www.readbyqxmd.com/read/28438781/transporter-mediated-disposition-clinical-pharmacokinetics-and-cholestatic-potential-of-glyburide-and-its-primary-active-metabolites
#2
Rui Li, Yi-An Bi, Anna Vildhede, Renato J Scialis, Sumathy Mathialagan, Xin Yang, Lisa D Marroquin, Jian Lin, Manthena V S Varma
Glyburide is widely used for the treatment of type 2 diabetes mellitus. We studied the mechanisms involved in the disposition of glyburide and its pharmacologically active hydroxy metabolites, M1 and M2b; and evaluated their clinical pharmacokinetics and the potential role in glyburide-induced cholestasis employing physiologically based pharmacokinetic (PBPK) modeling. Transport studies of parent and metabolites in human hepatocytes and transfected cell systems imply hepatic uptake mediated by organic anion transporting polypeptides...
April 24, 2017: Drug Metabolism and Disposition: the Biological Fate of Chemicals
https://www.readbyqxmd.com/read/28436023/activation-of-amp-activated-protein-kinase-by-metformin-ablates-angiotensin-ii-induced-endoplasmic-reticulum-stress-and-hypertension-in-mice-in-vivo
#3
Quanlu Duan, Ping Song, Ye Ding, Ming-Hui Zou
BACKGROUND AND PURPOSE: Metformin, one of the most frequently prescribed medications for type 2 diabetes, reportedly exerts blood pressure (BP)-lowering effects in patients with diabetes; however, the effects and underlying mechanisms of metformin on BP in non-diabetic condition remains to be determined. The aim of the present study was to determine the effects of metformin on angiotensin II (Ang II) infusion-induced hypertension in vivo. EXPERIMENTAL APPROACH: The effects of metformin on BP were investigated in wild-type (WT, C57BL/6 J) and AMP-activated protein kinase (AMPKα2) knockout (AMPKα2(-/-) ) mice with or without Ang II-infusion...
April 23, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28427920/genome-improvement-of-the-acarbose-producer-actinoplanes-sp-se50-110-and-annotation-refinement-based-on-rna-seq-analysis
#4
Timo Wolf, Susanne Schneiker-Bekel, Armin Neshat, Vera Ortseifen, Daniel Wibberg, Till Zemke, Alfred Pühler, Jörn Kalinowski
Actinoplanes sp. SE50/110 is the natural producer of acarbose, which is used in the treatment of diabetes mellitus type II. However, until now the transcriptional organization and regulation of the acarbose biosynthesis is only understood rudimentarily. The genome sequence of Actinoplanes sp. SE50/110 was known before, but was resequenced in this study to remove assembly artifacts and incorrect base callings. The annotation of the genome was refined in a multi-step approach, including modern bioinformatic pipelines, transcriptome and proteome data...
April 17, 2017: Journal of Biotechnology
https://www.readbyqxmd.com/read/28427304/translating-u-500r-randomized-clinical-trial-evidence-to-the-practice-setting-a-diabetes-educator-expert-prescriber-team-approach
#5
Paula M Bergen, Davida F Kruger, April D Taylor, Wael E Eid, Arti Bhan, Jeffrey A Jackson
Purpose The purpose of this article is to provide recommendations to the diabetes educator/expert prescriber team for the use of human regular U-500 insulin (U-500R) in patients with severely insulin-resistant type 2 diabetes, including its initiation and titration, by utilizing dosing charts and teaching materials translated from a recent U-500R clinical trial. Conclusions Clinically relevant recommendations and teaching materials for the optimal use and management of U-500R in clinical practice are provided based on the efficacy and safety results of and lessons learned from the U-500R clinical trial by Hood et al, current standards of practice, and the authors' clinical expertise...
April 1, 2017: Diabetes Educator
https://www.readbyqxmd.com/read/28418288/immunopsychiatry-important-facts
#6
G M Khandaker, R Dantzer, P B Jones
Accumulating evidence indicate a role for the immune system particularly inflammation and autoimmunity in the aetiology of major psychiatric disorders such as depression and schizophrenia. In this paper, we discuss some of the key advances in immunopsychiatry in order to highlight to psychiatrists and other health professionals how an increased understanding of this field might enhance our knowledge of illness mechanism and approaches to treatment. We present a brief overview of clinical research that link inflammation and autoimmunity with depression and psychosis, including potential role of inflammation in treatment response, current evidence for the effectiveness of immune-modulating treatment for depression and psychosis, and possible role of inflammation in common physical comorbidities for these disorders such as coronary heart disease and diabetes mellitus...
April 18, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/28416120/diabetes-complications-severity-index-dcsi-update-and-icd-10-translation
#7
William P Glasheen, Andrew Renda, Yanting Dong
AIMS: The Diabetes Complications Severity Index (DCSI) converts diagnostic codes and laboratory results into a 14-level metric quantifying the long-term effects of diabetes on seven body systems. Adoption of the International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) necessitates translation from ICD-9-CM and creates refinement opportunities. METHODS: ICD-9 codes for secondary and primary diabetes plus all five ICD-10 diabetes categories were incorporated into an updated tool...
March 14, 2017: Journal of Diabetes and its Complications
https://www.readbyqxmd.com/read/28413926/dusp-1-gene-expression-is-not-regulated-by-promoter-methylation-in-diabetes-associated-cardiac-hypertrophy
#8
Gurinder Bir Singh, Sanskriti Khanna, Satish K Raut, Saurabh Sharma, Rajni Sharma, Madhu Khullar
BACKGROUND: The exact mechanism causing decreased expression of the dual specific phosphatase-1 ( DUSP-1) gene in diabetes-associated cardiac hypertrophy is not known. DNA promoter methylation is often associated with decreased gene expression in many diseases including cardiovascular diseases. So, we investigated whether epigenetic silencing via promoter methylation is involved in the decreased expression of DUSP-1 in diabetes-associated cardiac hypertrophy. METHODS: Real-time polymerase chain reaction (PCR) and Western blotting confirmed the down regulation of the DUSP-1 gene at transcriptional and translational levels...
April 1, 2017: Therapeutic Advances in Cardiovascular Disease
https://www.readbyqxmd.com/read/28413044/expression-profiling-feline-peripheral-blood-monocytes-identifies-a-transcriptional-signature-associated-with-type-two-diabetes-mellitus
#9
Caroline A O'Leary, Mamdouh Sedhom, Mia Reeve-Johnson, John Mallyon, Katharine M Irvine
Diabetes mellitus is a common disease of cats and is similar to type 2 diabetes (T2D) in humans, especially with respect to the role of obesity-induced insulin resistance, glucose toxicity, decreased number of pancreatic β-cells and pancreatic amyloid deposition. Cats have thus been proposed as a valuable translational model of T2D. In humans, inflammation associated with adipose tissue is believed to be central to T2D development, and peripheral blood monocytes (PBM) are important in the inflammatory cascade which leads to insulin resistance and β-cell failure...
April 2017: Veterinary Immunology and Immunopathology
https://www.readbyqxmd.com/read/28409821/nano-curcumin-safely-prevents-streptozotocin-induced-inflammation-and-apoptosis-in-pancreatic-%C3%A3-cells-for-effective-management-of-type-1-diabetes-mellitus
#10
Raghu Ganugula, Meenakshi Arora, Patcharawalai Jaisamut, Ruedeekorn Wiwattanapatapee, Heather G Jørgensen, Vinod P Venkatpurwar, Beiyan Zhou, Aline Rodrigues Hoffmann, Rita Basu, Shaodong Guo, Majeti N V Ravi Kumar
BACKGROUND AND PURPOSE: Approaches to prevent selective and progressive loss of insulin-producing ß-cells in Type 1 diabetes mellitus (T1DM) will help conquer this prevalent and devastating disease. Curcumin (CUR), a natural anti-inflammatory, suppresses diabetes associated inflammation and cell death. However, very high doses have been tested owing to poor oral bioavailability, making it difficult to translate to the clinic. EXPERIMENTAL APPROACH: We recently prepared biodegradable nanosystems encapsulating curcumin (nCUR), resulting in at least 9-fold improvement in oral bioavailability...
April 13, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28408494/o-glcnacylation-and-cardiovascular-disease
#11
REVIEW
JaLessa N Wright, Helen E Collins, Adam R Wende, John C Chatham
The post-translational modification of serine and threonine residues of proteins found in numerous subcellular locations by O-linked N-acetylglucosamine (O-GlcNAc) is emerging as a key mediator of many cardiovascular pathophysiological processes. Early studies implicated increased protein O-GlcNAcylation as contributing to the cardiovascular complications associated with diabetes, whereas subsequent studies demonstrated that acute increases in O-GlcNAc levels were protective against ischemia/reperfusion injury...
April 15, 2017: Biochemical Society Transactions
https://www.readbyqxmd.com/read/28408068/quercus-infectoria-inhibits-set7-nf-%C3%AE%C2%BAb-inflammatory-pathway-in-macrophages-exposed-to-a-diabetic-environment
#12
Julalak Chokpaisarn, Norifumi Urao, Supayang P Voravuthikunchai, Timothy J Koh
Chronic inflammation plays a key role in the pathogenesis of myriad complications associated with diabetes and thus anti-inflammatory therapies may ameliorate these complications. Quercus infectoria (Qi) extract has been shown to downregulate inflammatory processes; however, the molecular mechanisms of this anti-inflammatory activity remain unclear. The hypothesis of our study was that Qi extract exerts its anti-inflammatory effect by downregulating the Set7/NF-κB pathway. Bone marrow-derived macrophages (BMM) were treated with high glucose plus palmitate medium (HG/Pa) to simulate the diabetic environment...
April 10, 2017: Cytokine
https://www.readbyqxmd.com/read/28402799/implementation-of-an-integrated-primary-care-cardiometabolic-risk-prevention-and-management-network-in-montr%C3%A3-al-does-greater-coordination-of-care-with-primary-care-physicians-have-an-impact-on-health-outcomes
#13
Sylvie Provost, Raynald Pineault, Dominique Grimard, José Pérez, Michel Fournier, Yves Lévesque, Johanne Desforges, Pierre Tousignant, Roxane Borgès Da Silva
INTRODUCTION: Chronic disease management requires substantial services integration. A cardiometabolic risk management program inspired by the Chronic Care Model was implemented in Montréal for patients with diabetes or hypertension. One of this study's objectives was to assess the impact of care coordination between the interdisciplinary teams and physicians on patient participation in the program, lifestyle improvements and disease control. METHODS: We obtained data on health outcomes from a register of clinical data, questionnaires completed by patients upon entry into the program and at the 12-month mark, and we drew information on the program's characteristics from the implementation analysis...
April 2017: Health Promotion and Chronic Disease Prevention in Canada
https://www.readbyqxmd.com/read/28399491/metformin-and-improved-treatment-outcomes-in-radiation-therapy-a-review
#14
REVIEW
Nur Atiqah Binte Samsuri, Michelle Leech, Laure Marignol
BACKGROUND: Metformin, a primary treatment for diabetes mellitus (DM) patients, is associated with improved outcomes for diabetic cancer patients fuelling further investigation on its mechanisms of action. The radiosensitising properties of metformin are increasingly reported in pre-clinical studies. This review discusses whether metformin should be offered to radiotherapy (RT) cancer patients as a means to improve their treatment outcomes. MATERIALS AND METHODS: A database search was conducted for articles published with metformin as the main intervention between 2010 and 2016...
March 22, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28396623/modified-mediterranean-diet-for-enrichment-of-short-chain-fatty-acids-potential-adjunctive-therapeutic-to-target-immune-and-metabolic-dysfunction-in-schizophrenia
#15
Jamie Joseph, Colin Depp, Pei-An B Shih, Kristen S Cadenhead, Geert Schmid-Schönbein
Growing interest in gut and digestive processes and their potential link to brain and peripheral based inflammation or biobehavioral phenotypes has led to an increasing number of basic and translational scientific reports focused on the role of gut microbiota within the context of neuropsychiatric disorders. However, the effect of dietary modification on specific gut metabolites, in association with immune, metabolic, and psychopathological functioning in schizophrenia spectrum disorders has not been well characterized...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28395025/inhibition-of-stat3-by-a-small-molecule-inhibitor-slows-vision-loss-in-a-rat-model-of-diabetic-retinopathy
#16
Phillip A Vanlandingham, Didier J Nuno, Alexander B Quiambao, Eric Phelps, Ronald A Wassel, Jian-Xing Ma, Krysten M Farjo, Rafal A Farjo
Purpose: Diabetic retinopathy is a leading cause of vision loss. Previous studies have shown signaling pathways mediated by Stat3 (signal transducer and activator of transcription 3) play a primary role in diabetic retinopathy progression. This study tested CLT-005, a small molecule inhibitor of Stat3, for its dose-dependent therapeutic effects on vision loss in a rat model of diabetic retinopathy. Methods: Brown Norway rats were administered streptozotocin (STZ) to induce diabetes...
April 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28391552/effect-of-empagliflozin-on-cardiac-biomarkers-in-a-zebrafish-model-of-heart-failure-clues-to-the-empa-reg-outcome-trial
#17
Xingjuan Shi, Subodh Verma, Junghwa Yun, Koroboshka Brand-Arzamendi, Krishna K Singh, Xiangdong Liu, Ankit Garg, Adrian Quan, Xiao-Yan Wen
The sodium-glucose cotransporter 2 (SGLT2) inhibitor empagliflozin was recently reported to reduce heart failure-associated hospitalizations and cardiovascular mortality amongst individuals with type 2 diabetes at high cardiovascular risk. We sought to elucidate the underlying mechanism(s) for these protective effects using a validated zebrafish heart failure model to evaluate the impact of empagliflozin on the expression of biomarkers of heart failure and mortality. We used aristolochic acid (AA) to induce heart failure in developing cmlc2::GFP transgenic zebrafish embryos and monitored BNP signaling in nppb::Luc transgenic zebrafish with a luciferase reporter assay...
April 8, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28391065/novel-lipoproteoplex-delivers-keap1-sirna-based-gene-therapy-to-accelerate-diabetic-wound-healing
#18
Piul S Rabbani, Anna Zhou, Zachary M Borab, Joseph A Frezzo, Nikita Srivastava, Haresh T More, William J Rifkin, Joshua A David, Samuel J Berens, Raymond Chen, Sophia Hameedi, Muhammad H Junejo, Camille Kim, Rita A Sartor, Che F Liu, Pierre B Saadeh, Jin K Montclare, Daniel J Ceradini
Therapeutics utilizing siRNA are currently limited by the availability of safe and effective delivery systems. Cutaneous diseases, specifically ones with significant genetic components are ideal candidates for topical siRNA based therapy but the anatomical structure of skin presents a considerable hurdle. Here, we optimized a novel liposome and protein hybrid nanoparticle delivery system for the topical treatment of diabetic wounds with severe oxidative stress. We utilized a cationic lipid nanoparticle (CLN) composed of 1,2-dioleoyl-3-trimethylammonium-propane (DOTAP) and the edge activator sodium cholate (NaChol), in a 6:1 ratio of DOTAP:NaChol (DNC)...
July 2017: Biomaterials
https://www.readbyqxmd.com/read/28388861/hydrogen-sulfide-releasing-therapeutics-translation-to-the-clinic
#19
John L Wallace, David Vaughan, Michael Dicay, Wallace K MacNaughton, Gilberto DeNucci
SIGNIFICANCE: Shortly after the discovery of the role of hydrogen sulfide in many physiological and pathological processes, attempts were made to develop novel pharmaceuticals that may be of benefit for treatment or prevention of a wide range of disorders. The promise of hydrogen sulfide (H2S)-based therapeutics is now being demonstrated in clinical trials. Recent Advances: H2S-releasing drugs, such as SG1002 for cardiovascular disorders, and ATB-346 for arthritis, have progressed into clinical trials and have shown considerable promise...
April 7, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/28387785/food-environment-and-weight-change-does-residential-mobility-matter-the-diabetes-study-of-northern-california-distance
#20
Barbara A Laraia, Janelle M Downing, Y Tara Zhang, William H Dow, Maggi Kelly, Samuel D Blanchard, Nancy Adler, Dean Schillinger, Howard Moffet, E Margaret Warton, Andrew J Karter
Associations between neighborhood food environment and adult body mass index (BMI; weight (kg)/height (m)2) derived using cross-sectional or longitudinal random-effects models may be biased due to unmeasured confounding and measurement and methodological limitations. In this study, we assessed the within-individual association between change in food environment from 2006 to 2011 and change in BMI among adults with type 2 diabetes using clinical data from the Kaiser Permanente Diabetes Registry collected from 2007 to 2011...
April 6, 2017: American Journal of Epidemiology
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