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https://www.readbyqxmd.com/read/28646223/regular-exercise-participation-improves-genomic-stability-in-diabetic-patients-an-exploratory-study-to-analyse-telomere-length-and-dna-damage
#1
Ivan Dimauro, Antonella Sgura, Monica Pittaluga, Fiorenza Magi, Cristina Fantini, Rosa Mancinelli, Antonio Sgadari, Stefania Fulle, Daniela Caporossi
Physical activity has been demonstrated to be effective in the prevention and treatment of different chronic conditions, including type 2 diabetes (T2D). In particular, several studies highlighted how the beneficial effects of physical activity may be related to the stability of the DNA molecule, such as longer telomeric ends. Here we analyze the effect of exercise training on telomere length, spontaneous and H2O2-induced DNA damage, as well as the apoptosis level in leukocytes from untrained or trained T2D patients vs...
June 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28640070/early-outcomes-of-the-new-uk-deceased-donor-kidney-fast-track-offering-scheme
#2
Chris J Callaghan, Lisa Mumford, Laura Pankhurst, Richard J Baker, J Andrew Bradley, Christopher J E Watson
BACKGROUND: The UK Kidney Fast-Track Scheme (KFTS) was introduced in 2012 to identify kidneys at high risk of discard and to rapidly facilitate transplantation. A retrospective analysis of kidneys transplanted through the KFTS was undertaken. METHODS: UK Transplant Registry data were collected on deceased donor kidneys implanted between 1 November 2012 and 30 April 2015 (DBD donors) and 1 March 2013 and 30 April 2015 (DCD donors). Posttransplant outcomes included 1-year eGFR and death-censored graft survival (DCGS)...
June 21, 2017: Transplantation
https://www.readbyqxmd.com/read/28634486/%C3%AE-cell-replacement-strategies-the-increasing-need-for-a-%C3%AE-cell-dogma
#3
REVIEW
Andhira Vieira, Noémie Druelle, Fabio Avolio, Tiziana Napolitano, Sergi Navarro-Sanz, Serena Silvano, Patrick Collombat
Type 1 diabetes is an auto-immune disease resulting in the loss of pancreatic β-cells and, consequently, in chronic hyperglycemia. Insulin supplementation allows diabetic patients to control their glycaemia quite efficiently, but treated patients still display an overall shortened life expectancy and an altered quality of life as compared to their healthy counterparts. In this context and due to the ever increasing number of diabetics, establishing alternative therapies has become a crucial research goal. Most current efforts therefore aim at generating fully functional insulin-secreting β-like cells using multiple approaches...
2017: Frontiers in Genetics
https://www.readbyqxmd.com/read/28632748/trimetazidine-therapy-for-diabetic-mouse-hearts-subjected-to-ex-vivo-acute-heart-failure
#4
Emilene Breedt, Lydia Lacerda, M Faadiel Essop
Acute heart failure (AHF) is the most common primary diagnosis for hospitalized heart diseases in Africa. As increased fatty acid β-oxidation (FAO) during heart failure triggers detrimental effects on the myocardium, we hypothesized that trimetazidine (TMZ) (partial FAO inhibitor) offers cardioprotection under normal and obese-related diabetic conditions. Hearts were isolated from 12-14-week-old obese male and female diabetic (db/db) mice versus lean non-diabetic littermates (db/+) controls. The Langendorff retrograde isolated heart perfusion system was employed to establish an ex vivo AHF model: a) Stabilization phase-Krebs Henseleit buffer (10 mM glucose) at 100 mmHg (25 min); b) Critical Acute Heart Failure (CAHF) phase-(1...
2017: PloS One
https://www.readbyqxmd.com/read/28606215/high-intake-of-fatty-fish-but-not-of-lean-fish-improved-postprandial-glucose-regulation-and-increased-the-n-3-pufa-content-in-the-leucocyte-membrane-in-healthy-overweight-adults-a-randomised-trial
#5
Anita Helland, Marianne Bratlie, Ingrid V Hagen, Svein A Mjøs, Steinar Sørnes, Alfred Ingvar Halstensen, Karl A Brokstad, Harald Sveier, Grethe Rosenlund, Gunnar Mellgren, Oddrun A Gudbrandsen
The prevalence of type 2 diabetes (T2D) is low in populations with a high fish intake; however prospective studies with fish intake have shown positive, negative or no association between fish intake and the risk for T2D. The aim of this study was to investigate the effects of high intake of lean or fatty fish on glucose tolerance, leucocyte membrane fatty acid composition and leucocyte function in overweight/obese adults. In this randomised clinical trial, sixty-eight healthy overweight/obese participants consumed 750 g/week of either lean or fatty fish as dinners, or were instructed to continue their normal eating habits but to avoid fish intake (control group), for 8 weeks...
June 13, 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28596642/a-double-blinded-randomized-study-investigating-a-possible-anti-inflammatory-effect-of-saxagliptin-versus-placebo-as-add-on-therapy-in-patients-with-both-type-2-diabetes-and-stable-coronary-artery-disease
#6
Ida Unhammer Njerve, Sissel Åkra, Thomas W Weiss, Svein Solheim, Reidun Øvstebø, Hans Christian D Aass, Rune Byrkjeland, Harald Arnesen, Ingebjørg Seljeflot
BACKGROUND: Promising results regarding potential anti-inflammatory and antiatherosclerotic effects of gliptins have been reported. Our aim was to investigate whether saxagliptin treatment modifies expression of inflammatory markers, primarily in peripheral blood mononuclear cells (PBMCs) and in circulating leukocytes in patients with stable coronary artery disease (CAD) and T2DM. METHODS: Patients (n = 12) were randomized to saxagliptin 5 mg daily or placebo for 3 months...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28591347/factors-associated-with-self-reported-diabetes-according-to-the-2013-national-health-survey
#7
Deborah Carvalho Malta, Regina Tomie Ivata Bernal, Betine Pinto Moehlecke Iser, Célia Landmann Szwarcwald, Bruce Bartholow Duncan, Maria Inês Schmidt
OBJECTIVES: To analyze the factors associated with self-reported diabetes among adult participants of the National Health Survey (PNS). METHODS: Cross-sectional study using data of the PNS carried out in 2013, from interviews with adults (≥ 18 years) of 64,348 Brazilian households. The prevalence of self-reported diabetes, assessed by the question "Has a doctor ever told you that you have diabetes?," was related to sociodemographic characteristics, lifestyle, self-reported chronic disease, and self-evaluation of the health condition...
June 1, 2017: Revista de Saúde Pública
https://www.readbyqxmd.com/read/28591346/prevalence-of-and-factors-associated-with-self-reported-high-blood-pressure-in-brazilian-adults
#8
Deborah Carvalho Malta, Regina Tomie Ivata Bernal, Silvânia Suely Caribé de Araújo Andrade, Marta Maria Alves da Silva, Gustavo Velasquez-Melendez
OBJECTIVE: To analyze factors associated with self-reported high blood pressure among adults in Brazilian state capitals. METHODS: The study uses data from Sistema de Vigilância de Fatores de Risco e Proteção para Doenças Crônicas por Inquérito Telefônico (Vigitel - Surveillance System of Risk and Protection Factors of Noncommunicable Diseases by Telephone Survey) collected in 2013. Prevalence rates and their respective 95% confidence intervals by gender were estimated according to sociodemographic variables, lifestyle, reported noncommunicable diseases and self-rated health status...
June 1, 2017: Revista de Saúde Pública
https://www.readbyqxmd.com/read/28580285/opposing-effects-of-prostaglandin-e2-receptors-ep3-and-ep4-on-mouse-and-human-%C3%AE-cell-survival-and-proliferation
#9
Bethany A Carboneau, Jack A Allan, Shannon E Townsend, Michelle E Kimple, Richard M Breyer, Maureen Gannon
OBJECTIVE: Hyperglycemia and systemic inflammation, hallmarks of Type 2 Diabetes (T2D), can induce the production of the inflammatory signaling molecule Prostaglandin E2 (PGE2) in islets. The effects of PGE2 are mediated by its four receptors, E-Prostanoid Receptors 1-4 (EP1-4). EP3 and EP4 play opposing roles in many cell types due to signaling through different G proteins, Gi and GS, respectively. We previously found that EP3 and EP4 expression are reciprocally regulated by activation of the FoxM1 transcription factor, which promotes β-cell proliferation and survival...
June 2017: Molecular Metabolism
https://www.readbyqxmd.com/read/28580281/glucagon-like-peptide-2-promotes-gallbladder-refilling-via-a-tgr5-independent-glp-2r-dependent-pathway
#10
Bernardo Yusta, Dianne Matthews, Grace B Flock, John R Ussher, Brigitte Lavoie, Gary M Mawe, Daniel J Drucker
OBJECTIVE: Glucagon-like peptides (GLPs) are secreted from enteroendocrine cells in response to nutrients and bile acids and control metabolism via actions on structurally-related yet distinct G protein coupled receptors. GLP-1 regulates gut motility, appetite, islet function, and glucose homeostasis, whereas GLP-2 enhances intestinal nutrient absorption. GLP-1R agonists are used to treat diabetes and obesity, and a GLP-2R agonist is approved to treat short bowel syndrome. Unexpectedly, reports of gallbladder disease have been associated with the use of both GLP-1R and GLP-2R agonists and after bariatric surgery, although the mechanisms remain unknown...
June 2017: Molecular Metabolism
https://www.readbyqxmd.com/read/28573460/brain-glp-1-igf-1-signaling-and-autophagy-mediate-exendin-4-protection-against-apoptosis-in-type-2-diabetic-rats
#11
Emanuel Candeias, Inês Sebastião, Susana Cardoso, Cristina Carvalho, Maria Sancha Santos, Catarina Resende Oliveira, Paula I Moreira, Ana I Duarte
Type 2 diabetes (T2D) is a modern socioeconomic burden, mostly due to its long-term complications affecting nearly all tissues. One of them is the brain, whose dysfunctional intracellular quality control mechanisms (namely autophagy) may upregulate apoptosis, leading to cognitive dysfunction and Alzheimer disease (AD). Since impaired brain insulin signaling may constitute the crosslink between T2D and AD, its restoration may be potentially therapeutic herein. Accordingly, the insulinotropic anti-T2D drugs from glucagon-like peptide-1 (GLP-1) mimetics, namely, exendin-4 (Ex-4), could be a promising therapy...
June 2, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28572770/in-vivo-cannabidiol-treatment-improves-endothelium-dependent-vasorelaxation-in-mesenteric-arteries-of-zucker-diabetic-fatty-rats
#12
Amanda J Wheal, Khalid Jadoon, Michael D Randall, Saoirse E O'Sullivan
Background and purpose: We have shown that in vitro treatment with cannabidiol (CBD, 2 h) enhances endothelial function in arteries from Zucker diabetic fatty (ZDF) rats, partly due to a cyclooxygenase (COX)-mediated mechanism. The aim of the present study was to determine whether treatment with CBD in vivo would also enhance endothelial function. Experimental approach: Male ZDF rats, or ZDF Lean rats, were treated for 7 days (daily i.p. injection) with either 10mg/kg CBD or vehicle (n = 6 per group). Sections of mesenteric resistance arteries, femoral arteries and thoracic aortae were mounted on a wire myograph, and cumulative concentration-response curves to endothelium-dependent (acetylcholine, ACh, 1 nM-100 μM) or endothelium-independent (sodium nitroprusside, SNP, 1 nM-100 μM) agents were constructed...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28570686/acute-bout-of-exercise-induced-prolonged-muscle-glucose-transporter-4-translocation-and-delayed-counter-regulatory-hormone-response-in-type-1-diabetes
#13
Koji Sato, Takeshi Nishijima, Takumi Yokokawa, Satoshi Fujita
Previous studies have demonstrated that an acute bout of aerobic exercise induces a subsequent delayed onset of hypoglycemia among patients with type 1 diabetes. However, the mechanisms of exercise-induced hypoglycemia in type 1 diabetes are still unclear. Streptozotocin (STZ) was injected to 6-week-old male Wistar rats, and three days after STZ injection, animals were randomly assigned into 2 groups: STZ with insulin only (STZ) and STZ with insulin and exercise (STZ+EX). Normal Wistar rats with exercise were used as control (CON+EX)...
2017: PloS One
https://www.readbyqxmd.com/read/28558297/mri-sensitive-contrast-agent-with-anticoagulant-activity-for-surface-camouflage-of-transplanted-pancreatic-islets
#14
Yong Hwa Hwang, Min Jun Kim, Dong Yun Lee
Pancreatic islet implantation in the liver is a promising approach for diabetes therapy. However, 70% of the islet mass fails to be engrafted in the liver due to the instant blood-mediated inflammatory reactions (IBMIR) resulting from direct contact between islet cells and the bloodstream. To overcome this issue, direct monitoring is very important for establishing prognosis after islet cell therapy. Here we established a new type of MR contrast agent with anticoagulant activity via heparin-immobilized superparamagnetic iron oxide (HSPIO)...
May 23, 2017: Biomaterials
https://www.readbyqxmd.com/read/28549111/diabetic-db-db-mice-do-not-develop-heart-failure-upon-pressure-overload-a-longitudinal-in-vivo-pet-mri-and-mrs-study-on-cardiac-metabolic-structural-and-functional-adaptations
#15
Desiree Abdurrachim, Miranda Nabben, Verena Hoerr, Michael T Kuhlmann, Philipp Bovenkamp, Jolita Ciapaite, Ilvy M E Geraets, Will Coumans, Joost J F P Luiken, Jan F C Glatz, Michael Schäfers, Klaas Nicolay, Cornelius Faber, Sven Hermann, Jeanine J Prompers
Aim: Heart failure is associated with altered myocardial substrate metabolism and impaired cardiac energetics. Comorbidities like diabetes may influence the metabolic adaptations during heart failure development. We quantified to what extent changes in substrate preference, lipid accumulation, and energy status predict the longitudinal development of hypertrophy and failure in the non-diabetic and the diabetic heart. Methods and results: Transverse aortic constriction (TAC) was performed in non-diabetic ( db /+) and diabetic ( db/db ) mice to induce pressure overload...
May 26, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28542610/gpr40-partial-agonist-mk-2305-lower-fasting-glucose-in-the-goto-kakizaki-rat-via-suppression-of-endogenous-glucose-production
#16
Corin Miller, Michele J Pachanski, Melissa E Kirkland, Daniel T Kosinski, Joel Mane, Michelle Bunzel, Jin Cao, Sarah Souza, Brande Thomas-Fowlkes, Jerry Di Salvo, Adam B Weinglass, Xiaoyan Li, Robert W Myers, Kevin Knagge, Paul E Carrington, William K Hagmann, Maria E Trujillo
GPR40 (FFA1) is a fatty acid receptor whose activation results in potent glucose lowering and insulinotropic effects in vivo. Several reports illustrate that GPR40 agonists exert glucose lowering in diabetic humans. To assess the mechanisms by which GPR40 partial agonists improve glucose homeostasis, we evaluated the effects of MK-2305, a potent and selective partial GPR40 agonist, in diabetic Goto Kakizaki rats. MK-2305 decreased fasting glucose after acute and chronic treatment. MK-2305-mediated changes in glucose were coupled with increases in plasma insulin during hyperglycemia and glucose challenges but not during fasting, when glucose was normalized...
2017: PloS One
https://www.readbyqxmd.com/read/28542422/angelica-dahurica-ethanolic-extract-improves-impaired-wound-healing-by-activating-angiogenesis-in-diabetes
#17
Xiao-Na Zhang, Ze-Jun Ma, Ying Wang, Bei Sun, Xin Guo, Cong-Qing Pan, Li-Ming Chen
Abnormal angiogenesis plays an important role in impaired wound healing and development of chronic wounds in diabetes mellitus. Angelica dahurica radix is a common traditional Chinese medicine with wide spectrum medicinal effects. In this study, we analyzed the potential roles of Angelica dahurica ethanolic extract (ADEE) in correcting impaired angiogenesis and delayed wound healing in diabetes by using streptozotocin-induced diabetic rats. ADEE treatment accelerated diabetic wound healing through inducing angiogenesis and granulation tissue formation...
2017: PloS One
https://www.readbyqxmd.com/read/28539272/selenium-nanoparticles-as-versatile-carriers-for-oral-delivery-of-insulin-insight-into-the-synergic-antidiabetic-effect-and-mechanism
#18
Wenji Deng, Qian Xie, Huan Wang, Zhiguo Ma, Baojian Wu, Xingwang Zhang
Oral insulin delivery has been plagued by limited bioavailability. This work reports selenium nanoparticles (SeNPs) for oral insulin delivery to overcome the absorption barrier. Insulin-loaded SeNPs (INS-SeNPs) were fabricated by ionic cross-linking/in situ reduction and characterized by particle size and drug entrapment. The resultant INS-SeNPs were 120nm around in particle size with high drug loading. INS-SeNPs exhibited controllable insulin release and outstanding stability in the digestive fluids. INS-SeNPs caused a significant hypoglycemic effect in both normal and diabetic rats...
May 21, 2017: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/28533437/metformin-inhibits-cellular-proliferation-and-bioenergetics-in-colorectal-cancer-patient-derived-xenografts
#19
Nur-Afidah Mohamed Suhaimi, Wai Min Phyo, Hao Yun Yap, Sharon Heng Yee Choy, Xiaona Wei, Yukti Choudhury, Wai Jin Tan, Luke Anthony Peng Yee Tan, Roger Sik Yin Foo, Suzanne Hui San Tan, Zenia Tiang, Chin Fong Wong, Poh Koon Koh, Min-Han Tan
There is increasing pre-clinical evidence suggesting that metformin, an anti-diabetic drug, has anti-cancer properties against various malignancies including colorectal cancer (CRC). However, majority of evidence which were derived from cancer cell lines and xenografts are likely to overestimate the benefit of metformin since these models are inadequate and require supraphysiological levels of metformin. Here, we generated patient-derived xenografts (PDX) lines from 2 CRC patients to assess the properties of metformin and 5-fluorouracil (5-FU), the first-line drug treatment for CRC...
May 22, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28506456/prevalence-of-asymptomatic-coronary-heart-disease-in-the-siblings-of-young-myocardial-infarction-patients-as-detected-by-coronary-computer-tomography-angiography-a-pilot-study
#20
Nadim Shah, Chiew Wong, Nicholas Cox, Anne-Maree Kelly, Kean Soon
BACKGROUND: There is little data on the prevalence of coronary heart disease (CHD) in the young. The study aimed to estimate the prevalence of asymptomatic CHD in siblings of young patients with myocardial infarction (MI) using coronary computed tomography angiography (CCTA). METHODS: Prospective observational data was collected on siblings of patients aged ≤55 years presenting with acute MI and having coronary stenosis ≥50% on invasive coronary angiography in at least one epicardial coronary artery...
April 27, 2017: Heart, Lung & Circulation
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