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https://www.readbyqxmd.com/read/28548941/prognostic-role-of-anti-diabetic-drugs-in-pancreatic-cancer-a-systematic-review-and-meta-analysis
#1
Lei Zheng, Shinan Yin, Fenghua Yao, Hua Bai, Danqing Jing
Anti-diabetic drugs (ADDs) have been reported to modify the risk and survival of several malignancies, but whether ADDs affect the prognostic outcomes for pancreatic cancer (PC) patients remains unclear. A systematic literature search was performed for studies published until September 2016 investigating the associations between ADD use and PC survival. Pooled hazard ratios (HRs) with 95% confidence intervals (CIs) were estimated using the random-effects model. Overall survival (OS) and progression-free survival (PFS) were set as the main outcomes...
May 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28547918/exercise-with-weight-loss-improves-adipose-tissue-and-skeletal-muscle-markers-of-fatty-acid-metabolism-in-postmenopausal-women
#2
Heidi K Ortmeyer, Andrew P Goldberg, Alice S Ryan
OBJECTIVE: The effects of 6-month weight loss (WL) versus aerobic exercise training (AEX)+WL on fat and skeletal muscle markers of fatty acid metabolism were determined in normal (NGT) and impaired (IGT) glucose tolerant African-American and Caucasian postmenopausal women with overweight/obesity. METHODS: Fat (gluteal and abdominal) lipoprotein lipase (LPL), skeletal muscle LPL, acyl-CoA synthase (ACS), ß-hydroxacyl-CoA dehydrogenase, carnitine palmitoyltransferase (CPT-1), and citrate synthase (CS) activities were measured at baseline (n = 104) and before and after WL (n = 34) and AEX+WL (n = 37)...
May 26, 2017: Obesity
https://www.readbyqxmd.com/read/28546450/fatty-acid-binding-protein-4-ap2-dependent-blt1r-expression-and-signaling
#3
Ann V Hertzel, Hongliang Xu, Michael Downey, Nicholas Kvalheim, David A Bernlohr
Previous studies have shown that reduced levels of the adipocyte fatty acid binding protein 4, FABP4 (AFABP/aP2), result in metabolic improvement including potentiated insulin sensitivity and attenuated atherosclerosis. Mechanistically, pharmacologic or genetic inhibition of FABP4 in macrophages upregulates UCP2, attenuates ROS production, polarizes cells towards the anti-inflammatory M2 state and reduces leukotriene secretion. At the protein level, FABP4 stabilizes LTA4 towards chemical hydrolysis thereby potentiating inflammatory LTC4 synthesis...
May 25, 2017: Journal of Lipid Research
https://www.readbyqxmd.com/read/28544355/temporal-overexpression-of-sirt1-in-skeletal-muscle-of-adult-mice-does-not-improve-insulin-sensitivity-or-markers-of-mitochondrial-biogenesis
#4
Kristoffer Svensson, Samuel A LaBarge, Vitor F Martins, Simon Schenk
AIMS: Activation of the NAD(+) dependent protein deacetylase SIRT1 has been proposed as a therapeutic strategy to treat mitochondrial dysfunction and insulin resistance in skeletal muscle. However, life-long overexpression of SIRT1 in skeletal muscle does not improve parameters of mitochondrial function and insulin sensitivity. In this study we investigated whether temporal overexpression of SIRT1 in muscle of adult mice would affect skeletal muscle mitochondrial function and insulin sensitivity...
May 22, 2017: Acta Physiologica
https://www.readbyqxmd.com/read/28544198/jaboticaba-berry-peel-intake-prevents-insulin-resistance-induced-tau-phosphorylation-in-mice
#5
Ângela G Batista, Edilene S Soares, Monique C P Mendonça, Juliana K da Silva, Ana Paula Dionísio, Cesar R Sartori, Maria Alice da Cruz-Höfling, Mário R Maróstica Júnior
The hyperphosphorylation of tau in the hippocampus can be caused by central and peripheral insulin resistance and these alterations are related to the development of tauopathies, such as Alzheimer's disease. In this study, we used a high-fat diet to induce obesity and insulin resistance in adult Swiss mice and checked whether supplementation with Myrciaria jaboticaba berry peel for 10 weeks could improve insulin sensitivity, learning/memory performance and prevent tau phosphorylation in the hippocampus. Furthermore, adipocytokines, inflammatory markers, and oxidative stress were assessed...
May 19, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28542499/lipidomic-and-metabolic-changes-in-the-p4-type-atpase-atp10d-deficient-c57bl-6j-wild-type-mice-upon-rescue-of-atp10d-function
#6
Alexander Sigruener, Christian Wolfrum, Alfred Boettcher, Thomas Kopf, Gerhard Liebisch, Evelyn Orsó, Gerd Schmitz
BACKGROUND: Sequence variants near the human gene for P4-type ATPase, class V, type 10D (ATP10D) were shown to significantly associate with circulating hexosylceramide d18:1/16:0 and d18:1/24:1 levels, obesity, insulin resistance, plasma high density lipoprotein (HDL), coronary stenotic index and intracranial atherosclerotic index. In mice Atp10d is associated with HDL modulation and C57BL/6 mice expressing a truncated, non-functional form of ATP10D easily develop obesity and insulin resistance on high-fat diet...
2017: PloS One
https://www.readbyqxmd.com/read/28539390/mfn2-deletion-in-brown-adipose-tissue-protects-from-insulin-resistance-and-impairs-thermogenesis
#7
Kiana Mahdaviani, Ilan Y Benador, Shi Su, Raffi A Gharakhanian, Linsey Stiles, Kyle M Trudeau, Maria Cardamone, Violeta Enríquez-Zarralanga, Eleni Ritou, Tamar Aprahamian, Marcus F Oliveira, Barbara E Corkey, Valentina Perissi, Marc Liesa, Orian S Shirihai
BAT-controlled thermogenic activity is thought to be required for its capacity to prevent the development of insulin resistance. This hypothesis predicts that mediators of thermogenesis may help prevent diet-induced insulin resistance. We report that the mitochondrial fusion protein Mitofusin 2 (Mfn2) in BAT is essential for cold-stimulated thermogenesis, but promotes insulin resistance in obese mice. Mfn2 deletion in mice through Ucp1-cre (BAT-Mfn2-KO) causes BAT lipohypertrophy and cold intolerance. Surprisingly however, deletion of Mfn2 in mice fed a high fat diet (HFD) results in improved insulin sensitivity and resistance to obesity, while impaired cold-stimulated thermogenesis is maintained...
May 24, 2017: EMBO Reports
https://www.readbyqxmd.com/read/28538088/effects-of-the-insulin-sensitizer-metformin-in-alzheimer-disease-pilot-data-from-a-randomized-placebo-controlled-crossover-study
#8
Aaron M Koenig, Dawn Mechanic-Hamilton, Sharon X Xie, Martha F Combs, Anne R Cappola, Long Xie, John A Detre, David A Wolk, Steven E Arnold
Epidemiological studies have identified a robust association between type II diabetes mellitus and Alzheimer disease (AD), and neurobiological studies have suggested the presence of central nervous system insulin resistance in individuals with AD. Given this association, we hypothesized that the central nervous system-penetrant insulin-sensitizing medication metformin would be beneficial as a disease-modifying and/or symptomatic therapy for AD, and conducted a placebo-controlled crossover study of its effects on cerebrospinal fluid (CSF), neuroimaging, and cognitive biomarkers...
April 2017: Alzheimer Disease and Associated Disorders
https://www.readbyqxmd.com/read/28537976/interest-of-urinary-timp-2-%C3%A3-igfbp-7-for-predicting-the-occurrence-of-acute-kidney-injury-after-cardiac-surgery-a-gray-zone-approach
#9
Toufic Finge, Sebastien Bertran, Claire Roger, Damien Candela, Bruno Pereira, Christopher Scott, Laurent Muller, Benjamin Louart, Jean-Yves Lefrant
BACKGROUND: This study assessed the ability of 3-hour postoperative urinary tissue inhibitor of metalloproteinases-2 × insulin-like growth factor binding protein-7 ([TIMP-2] × [IGFBP-7]) to predict postoperative acute kidney injury (AKI) in patients undergoing cardiopulmonary bypass during cardiac surgery. METHODS: Patients undergoing cardiac surgery with cardiopulmonary bypass were eligible for this study. Patients with initial chronic renal insufficiency requiring renal replacement therapy, patients <18 years of age, and parturients were not included...
May 19, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28535046/inhibitory-effect-of-piceatannol-on-tnf-%C3%AE-mediated-inflammation-and-insulin-resistance-in-3t3-l1-adipocytes
#10
Yanfang Li, Puyu Yang, Qimeng Chang, Jing Wang, Jie Liu, Yuan Lv, Thomas T Y Wang, Boyan Gao, Yaqiong Zhang, Liangli Lucy Yu
Piceatannol, a bioactive component in grapes and blueberry, was examined for its potential in decreasing the inflammatory activities in adipocytes using a co-cultured adipocytes and macrophages system, and suppressing TNF-α mediated inflammation and the related insulin resistance using a 3T3-L1 adipocytes model. Piceatannol treatment significantly reduced the release of inflammatory cytokines of TNF-α and MCP-1 in the co-cultured system and inhibited TNF-α induced expression of IL-6 and MCP-1 at both mRNA and protein levels in the 3T3-L1 adipocytes...
May 23, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28529547/basal-hyperinsulinemia-beyond-a-threshold-predicts-major-adverse-cardiac-events-at-1-year-after-coronary-angiogram-in-type-2-diabetes-mellitus-a-retrospective-cohort-study
#11
Mukund Srinivasan, Padmanabh Kamath, Narayan Bhat, Narasimha Pai, Rajesh Bhat, Tejas Shah, Poornima Manjrekar, Chakrapani Mahabala
BACKGROUND: There is a substantial reduction in cardiovascular related morbidity and mortality in the general population attributed to improved treatment of cardiac risk factors and disease, the same magnitude of benefit has not been observed in those with diabetes mellitus. The aim of the present study was to evaluate factors associated with the cardiac outcome at 1 year after coronary angiogram in patients with type 2 diabetes mellitus and to compare the outcomes with nondiabetics. METHODS: A retrospective cohort study was carried out in subjects who underwent coronary angiogram for an evaluation of CAD, with follow-up data available for period of 12 months...
2017: Diabetology & Metabolic Syndrome
https://www.readbyqxmd.com/read/28528338/chronic-glibenclamide-treatment-attenuates-walker-256-tumour-growth-in-prediabetic-obese-rats
#12
Claudinéia Conationi da Silva Franco, Carina Previate, Kátia Gama de Barros Machado, Silvano Piovan, Rosiane Aparecida Miranda, Kelly Valério Prates, Veridiana Mota Moreira, Júlio Cezar de Oliveira, Luiz Felipe Barella, Rodrigo Mello Gomes, Flávio Andrade Francisco, Isabela Peixoto Martins, Audrei Pavanello, Tatiane Aparecida Ribeiro, Laize Peron Tófolo, Ananda Malta, Aline Amenencia de Souza, Vander Silva Alves, Sandra da Silva Silveira, Maria Raquel Marçal Natali, Jean Carlos Fernando Besson, Hely de Morais, Helenir Medri de Souza, Juliane Rocha de Sant Anna, Marialba Avezum Alves de Castro Prado, Paulo Cezar de Freitas Mathias
BACKGROUND/AIMS: The sulphonylurea glibenclamide (Gli) is widely used in the treatment of type 2 diabetes. In addition to its antidiabetic effects, low incidences of certain types of cancer have been observed in Gli-treated diabetic patients. However, the mechanisms underlying this observation remain unclear. The aim of the present work was to evaluate whether obese adult rats that were chronically treated with an antidiabetic drug, glibenclamide, exhibit resistance to rodent breast carcinoma growth...
May 11, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28527646/high-dose-amino-acid-administration-achieves-an-anabolic-response-in-type-2-diabetic-patients-that-is-independent-of-glycaemic-control-a-randomized-clinical-trial
#13
Chelsia Gillis, Patricia S Roque, Jürgen Bläss, Albert Urwyler, Harald Schepperle, Guido Kunz, Thomas Peters, Thomas Schricker, Linda Wykes, Andrea Kopp Lugli
BACKGROUND & AIMS: Surgical stress provokes protein catabolism and hyperglycaemia that is enhanced in patients with type 2 diabetes (T2DM), and increases perioperative morbidity. This study hypothesized that perioperative administration of high dose intravenous (IV) amino acids (AA) will augment protein balance in T2DM patients receiving tight plasma glucose control via continuous IV insulin compared to standard plasma glucose control via subcutaneous (SC) insulin sliding scale. METHODS: Eighteen patients with well-controlled T2DM (HbA1C% < 7...
May 3, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28526377/orange-juice-allied-to-a-reduced-calorie-diet-results-in-weight-loss-and-ameliorates-obesity-related-biomarkers-a-randomized-controlled-trial
#14
Carolina Ribeiro, Grace Dourado, Thais Cesar
OBJECTIVE: Assumptions have linked orange juice (OJ) consumption with weight gain and adverse effects on health due to its sugar content; however, epidemiologic studies have not shown increased risk for overweight or obesity with the consumption of 100% OJ. The aim of this study was to verify whether the combination of a reduced-calorie diet (RCD) and 100% OJ contribute to weight loss, promote changes in glucose and lipid metabolism, and improve diet quality in obese individuals. METHODS: A randomized controlled trial with 78 obese patients (age 36 ± 1 y, body mass index [BMI] 33 ± 3 kg/m(2)) were enrolled in two groups: Individuals in the OJ group submitted to an RCD that included OJ (500 mL/d), and individuals in the control group submitted to an RCD without OJ...
June 2017: Nutrition
https://www.readbyqxmd.com/read/28525362/fgf21-receptor-agonists-an-emerging-therapeutic-class-for-obesity-related-diseases
#15
Junichiro Sonoda, Mark Z Chen, Amos Baruch
Fibroblast growth factor 21 (FGF21) analogs and FGF21 receptor agonists (FGF21RAs) that mimic FGF21 ligand activity constitute the new "FGF21-class" of anti-obesity and anti-diabetic molecules that improve insulin sensitivity, ameliorate hepatosteatosis and promote weight loss. The metabolic actions of FGF21-class proteins in obese mice are attributed to stimulation of brown fat thermogenesis and increased secretion of adiponectin. The therapeutic utility of this class of molecules is being actively investigated in clinical trials for the treatment of type 2 diabetes and non-alcoholic steatohepatitis (NASH)...
May 19, 2017: Hormone Molecular Biology and Clinical Investigation
https://www.readbyqxmd.com/read/28522731/effect-of-metformin-on-bioactive-lipid-metabolism-in-insulin-resistant-muscle
#16
Piotr Zabielski, Marta Chacinska, Karol Charkiewicz, Marcin Baranowski, Jan Gorski, Agnieszka U Blachnio-Zabielska
Intramuscular accumulation of bioactive lipids leads to insulin resistance and type 2 diabetes (T2D). There is lack of consensus concerning which of the lipid mediators has the greatest impact on muscle insulin action in vivo Our aim was to elucidate the effects of high-fat diet (HFD) and metformin (Met) on skeletal muscle bioactive lipid accumulation and insulin resistance (IR) in rats. We employed a [U-(13)C]palmitate isotope tracer and mass spectrometry to measure the content and fractional synthesis rate (FSR) of intramuscular long-chain acyl-CoA (LCACoA), diacylglycerols (DAG) and ceramide (Cer)...
June 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28520765/an-integrative-analysis-of-tissue-specific-transcriptomic-and-metabolomic-responses-to-short-term-dietary-methionine-restriction-in-mice
#17
Sujoy Ghosh, Laura A Forney, Desiree Wanders, Kirsten P Stone, Thomas W Gettys
Dietary methionine restriction (MR) produces a coordinated series of transcriptional responses in peripheral tissues that limit fat accretion, remodel lipid metabolism in liver and adipose tissue, and improve overall insulin sensitivity. Hepatic sensing of reduced methionine leads to induction and release of fibroblast growth factor 21 (FGF21), which acts centrally to increase sympathetic tone and activate thermogenesis in adipose tissue. FGF21 also has direct effects in adipose to enhance glucose uptake and oxidation...
2017: PloS One
https://www.readbyqxmd.com/read/28513068/a-randomized-controlled-trial-branched-chain-amino-acid-levels-and-glucose-metabolism-in-patients-with-obesity-and-sleep-apnea
#18
Antonia Barceló, Daniel Morell-Garcia, Neus Salord, Cristina Esquinas, Gerardo Pérez, Antonio Pérez, Carmen Monasterio, Merce Gasa, Ana Maria Fortuna, Josep Maria Montserrat, Mercedes Mayos
There is evidence that changes in branched-chain amino acid (BCAA) levels may correlate with the efficacy of therapeutic interventions for affecting improvement in metabolic control. The objective of this study was to evaluate whether serum concentrations of BCAAs (leucine, isoleucine, valine) could mediate in insulin sensitivity and glucose tolerance after continuous positive airway pressure (CPAP) treatment in patients with obstructive sleep apnea (OSA). A prospective randomized controlled trial of OSA patients with morbid obesity was conducted...
May 17, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28511140/different-impacts-of-acylated-and-non-acylated-long-acting-insulin-analogs-on-neural-functions-in-vitro-and-in-vivo
#19
Hiroshi Tsuneki, Hitomi Yoshida, Kosuke Endo, Norihiko Mori, Shuji Hosoh, Masaaki Tsuda, Tsutomu Wada, Toshiyasu Sasaoka
AIMS: Centrally administered insulin improves cognitive functions in patients with Alzheimer's disease; however, it remains unknown whether long-acting insulin analogs exert more pronounced effects than insulin. In the present study, we directly compared the effects of insulin and its analogs on neural functions in vitro and in vivo. METHODS: Cultured rat cerebral cortical neurons were treated with insulin, insulin glargine U100 (Gla), insulin detemir (Det), or insulin degludec (Deg)...
May 4, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28509692/t1d-autoantibodies-room-for-improvement
#20
Liping Yu, Zhiyuan Zhao, Andrea K Steck
PURPOSE OF REVIEW: Type 1 diabetes (T1D) is now predictable by measuring major islet autoantibodies (IAbs) against insulin and other pancreatic β cells proteins including GAD65 (GADA), islet antigen 2 (IA-2A), and zinc transporter 8 (ZnT8A). The assay technology for IAbs has made great progress; however, several important aspects still need to be addressed and improved. RECENT FINDINGS: Currently a radio-binding assay has been well established as the 'gold' standard assay for all four IAbs...
May 13, 2017: Current Opinion in Endocrinology, Diabetes, and Obesity
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