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https://www.readbyqxmd.com/read/28817248/attenuated-suppression-of-lipolysis-explains-increases-in-triglyceride-secretion-and-concentration-with-basal-insulin-peglispro-bil-relative-to-insulin-glargine-treatment-in-patients-with-type-1-diabetes
#1
Rakel Fuglsang Johansen, Esben Søndergaard, Helle Linnebjerg, Parag Garhyan, Eric Chen Quin Lam, Niels Porksen, Scott J Jacober, Søren Nielsen
AIMS: In patients with type 1 diabetes, basal insulin peglispro (BIL) lowers weight and increases plasma triglycerides (TG) and hepatic fat relative to insulin glargine (GL). To explain this, we hypothesised that BIL's attenuated peripheral effects may include increased free fatty acid flux to the liver, causing increased VLDL-TG secretion and lipid oxidation, and decreased TG adipose tissue deposition. MATERIALS AND METHODS: In this open-label, randomised, 2-period crossover study, 14 patients with type 1 diabetes received once-daily, individualised, stable BIL or GL doses for 3 weeks...
August 17, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28816537/evaluating-the-prescription-of-angiotensin-converting-enzyme-inhibitors-or-receptor-blockers-in-patients-with-diabetes-in-jordan
#2
Fadia Mayyas, Wa'ed Bataineh, Anan Jarab
OBJECTIVE: The angiotensin converting enzyme inhibitors (ACEIs) and angiotensin II receptor blockers (ARBs) are guideline-recommended agents to prevent development and progression of nephropathy and cardiovascular diseases in diabetic Mellitus (DM). The aim of this study was to evaluate the prescription of ACEIs/ARBs in DM patients with guideline indications. METHOD: electronic data files for diabetes patients were retrospectively reviewed at a primary care setting northern Jordan...
August 17, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28813430/reprogramming-human-gallbladder-cells-into-insulin-producing-%C3%AE-like-cells
#3
Feorillo Galivo, Eric Benedetti, Yuhan Wang, Carl Pelz, Jonathan Schug, Klaus H Kaestner, Markus Grompe
The gallbladder and cystic duct (GBCs) are parts of the extrahepatic biliary tree and share a common developmental origin with the ventral pancreas. Here, we report on the very first genetic reprogramming of patient-derived human GBCs to β-like cells for potential autologous cell replacement therapy for type 1 diabetes. We developed a robust method for large-scale expansion of human GBCs ex vivo. GBCs were reprogrammed into insulin-producing pancreatic β-like cells by a combined adenoviral-mediated expression of hallmark pancreatic endocrine transcription factors PDX1, MAFA, NEUROG3, and PAX6 and differentiation culture in vitro...
2017: PloS One
https://www.readbyqxmd.com/read/28807666/microrna-132-with-therapeutic-potential-in-chronic-wounds
#4
Xi Li, Dongqing Li, Aoxue Wang, Tongbin Chu, Warangkana Lohcharoenkal, Xiaowei Zheng, Jacob Grünler, Sampath Narayanan, Sofie Eliasson, Eva K Herter, Yang Wang, Yannan Ma, Marcus Ehrström, Liv Eidsmo, Maria Kasper, Andor Pivarcsi, Enikö Sonkoly, Sergiu-Bogdan Catrina, Mona Ståhle, Ning Xu Landén
Chronic wounds represent a major and rising health and economic burden worldwide. There is a continued search towards more effective wound therapy. We found significantly reduced microRNA-132 (miR-132) expression in human diabetic ulcers compared to normal skin wounds, and also in skin wounds of leptin receptor-deficient (db/db) diabetic mice compared to wild-type mice. Local replenishment of miR-132 in the wounds of db/db mice accelerated wound closure effectively, which was accompanied by increased proliferation of wound-edge keratinocytes and reduced inflammation...
August 11, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28800772/endurance-training-lowers-ribosome-density-despite-increasing-ribosome-biogenesis-markers-in-rodent-skeletal-muscle
#5
Matthew A Romero, C Brooks Mobley, Melissa A Linden, Grace Margaret-Eleanor Meers, Jeffrey S Martin, Kaelin C Young, R Scott Rector, Michael D Roberts
OBJECTIVE: The purpose of this study was to examine if: (a) high sugar/high fat Western diet (WD)-feeding affects skeletal muscle ribosome biogenesis markers in hyperphagic, diabetic-prone Otsuka Long-Evans Tokushima Fatty (OLETF) rats, and (b) 12 weeks of treadmill training rescued potential detriments that WD feeding exerted on these markers. METHODS: Eight week-old male OLETF rats were fed a low-fat control diet (O-CON, n = 10) or high/sucrose/cholesterol Western diet (WD)...
August 11, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28782316/rediscovering-chirality-role-of-s-metoprolol-in-cardiovascular-disease-management
#6
Jagdish C Mohan, Siddharth N Shah, Sunny Chinchansurkar, Arindam Dey, Rishi Jain
BACKGROUND: The process of drug discovery and development today encompass a myriad of paths for bringing a new therapeutic molecule that has minimal adverse effects and of optimal use to the patient. Chirality was proposed in the direction of providing a purer and safer form of drug [Ex- cetrizine and levocetrizine]. Decades have passed since the introduction of this concept and numerous chiral molecules are in existence in therapeutics, yet somehow this concept has been ignored. This review aims to rediscover the ignored facts about chirality, its benefits and clear some common myths considering the example of S-Metoprolol in the management of Hypertension and other cardiovascular diseases...
June 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/28770335/erythritol-reduces-small-intestinal-glucose-absorption-increases-muscle-glucose-uptake-improves-glucose-metabolic-enzymes-activities-and-increases-expression-of-glut-4-and-irs-1-in-type-2-diabetic-rats
#7
Chika Ifeanyi Chukwuma, Ramgopal Mopuri, Savania Nagiah, Anil Amichund Chuturgoon, Md Shahidul Islam
PURPOSE: Studies have reported that erythritol, a low or non-glycemic sugar alcohol possesses anti-hyperglycemic and anti-diabetic potentials but the underlying mode of actions is not clear. This study investigated the underlying mode of actions behind the anti-hyperglycemic and anti-diabetic potentials of erythritol using different experimental models (experiment 1, 2 and 3). METHODS: Experiment 1 examined the effects of increasing concentrations (2.5-20%) of erythritol on glucose absorption and uptake in isolated rat jejunum and psoas muscle, respectively...
August 2, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28768836/s-equol-activates-camp-signaling-at-the-plasma-membrane-of-ins-1-pancreatic-%C3%AE-cells-and-protects-against-streptozotocin-induced-hyperglycemia-by-increasing-%C3%AE-cell-function-in-male-mice
#8
Hiroko Horiuchi, Atsuko Usami, Rie Shirai, Naoki Harada, Shinichi Ikushiro, Toshiyuki Sakaki, Yoshihisa Nakano, Hiroshi Inui, Ryoichi Yamaji
Background:S-equol, which is enantioselectively produced from daidzein by gut microbiota, has been suggested as a chemopreventive agent against type 2 diabetes mellitus (T2DM), but the underlying mechanisms remain unclear.Objective: We investigated the effects of S-equol on pancreatic β-cell function.Methods: β-Cell growth and insulin secretion were evaluated with male Institute of Cancer Research mice and isolated pancreatic islets from the mice, respectively. The mechanisms by which S-equol stimulated β-cell response were examined in INS-1 β-cells...
August 2, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28761653/individuals-with-obesity-and-type-2-diabetes-have-additional-immune-dysfunction-compared-with-obese-individuals-who-are-metabolically-healthy
#9
Caroline Richard, Michael Wadowski, Susan Goruk, Lisa Cameron, Arya M Sharma, Catherine J Field
OBJECTIVE: The objective of the current study was to compare the responses to different ex vivo immunogenic challenges between immune cells derived from metabolically healthy subjects with obesity and subjects with obesity and type 2 diabetes. RESEARCH DESIGN AND METHODS: We recruited 10 metabolically healthy subjects with obesity (Edmonton Obesity Staging System (EOSS) stage 0) and 9 subjects with obesity and type 2 diabetes (EOSS stage 2) aged between 21 years and 70 years and matched for body mass index...
2017: BMJ Open Diabetes Research & Care
https://www.readbyqxmd.com/read/28757517/reproducible-insulin-secretion-from-isolated-rat-pancreas-preparations-using-an-organ-bath
#10
Asuka Morita, Motoshi Ouchi, Misao Terada, Hiroe Kon, Satoko Kishimoto, Keitaro Satoh, Naoyuki Otani, Keitaro Hayashi, Tomoe Fujita, Ken-Ichi Inoue, Naohiko Anzai
Diabetes mellitus is a lifestyle-related disease that is characterized by inappropriate or diminished insulin secretion. Ex vivo pharmacological studies of hypoglycemic agents are often conducted using perfused pancreatic preparations. Pancreas preparations for organ bath experiments do not require cannulation and are therefore less complex than isolated perfused pancreas preparations. However, previous research has generated almost no data on insulin secretion from pancreas preparations using organ bath preparations...
July 28, 2017: Experimental Animals
https://www.readbyqxmd.com/read/28755268/photoreceptor-cells-produce-inflammatory-products-that-contribute-to-retinal-vascular-permeability-in-a-mouse-model-of-diabetes
#11
Deoye Tonade, Haitao Liu, Krzysztof Palczewski, Timothy S Kern
AIMS/HYPOTHESIS: Recent studies suggest that photoreceptor cells produce mediators or products that contribute to retinal capillary damage in diabetes. The purpose of this study was to determine if photoreceptor cells release soluble factors that contribute to retinal vascular permeability in diabetes. METHODS: To assess retinal vascular leakage, a streptozotocin-induced mouse model of diabetes, with hyperglycaemia for 8 months, and age-matched control mice, were injected with FITC-BSA...
July 28, 2017: Diabetologia
https://www.readbyqxmd.com/read/28752047/amyloid-formation-disrupts-the-balance-between-interleukin-1%C3%AE-and-interleukin-1-receptor-antagonist-in-human-islets
#12
Queenie Hui, Ali Asadi, Yoo Jin Park, Timothy J Kieffer, Ziliang Ao, Garth L Warnock, Lucy Marzban
OBJECTIVES: β-cell dysfunction and apoptosis associated with islet inflammation play a key role in the pathogenesis of type 2 diabetes (T2D). Growing evidence suggests that islet amyloid, formed by aggregation of human islet amyloid polypeptide (hIAPP), contributes to islet inflammation and β-cell death in T2D. We recently showed the role of interleukin-1β (IL-1β)/Fas/caspase-8 apoptotic pathway in amyloid-induced β-cell death. In this study, we used human islets in culture as an ex vivo model of amyloid formation to: (1) investigate the effects of amyloid on islet levels of the natural IL-1 receptor antagonist (IL-1Ra); (2) examine if modulating the IL-1β/IL-1Ra balance can prevent amyloid-induced β-cell Fas upregulation and apoptosis...
August 2017: Molecular Metabolism
https://www.readbyqxmd.com/read/28751823/global-autorecognition-and-activation-of-complement-by-mannan-binding-lectin-in-a-mouse-model-of-type-1-diabetes
#13
Esben Axelgaard, Jakob Appel Østergaard, Saranda Haxha, Steffen Thiel, Troels Krarup Hansen
Increasing evidence links mannan-binding lectin (MBL) to late vascular complications of diabetes. MBL is a complement-activating pattern recognition molecule of the innate immune system that can mediate an inflammation response through activation of the lectin pathway. In two recent animal studies, we have shown that autoreactivity of MBL is increased in the kidney in diabetic nephropathy. We hypothesize that long-term exposure to uncontrolled high blood glucose in diabetes may mediate formation of neoepitopes in several tissues and that MBL is able to recognize these structures and thus activate the lectin pathway...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28734674/retinal-exposure-to-high-glucose-condition-modifies-the-gabaergic-system-regulation-by-nitric-oxide
#14
R Carpi-Santos, R S Maggesissi, M P von Seehausen, K C Calaza
Diabetic retinopathy is a severe retinal complication that diabetic patients are susceptible to present. Although this disease is currently characterized as a microvascular disease, there is growing evidence that neural changes occur and maybe precede vascular impairments. Using chicken retina, an avascular tissue with no direct contact with blood vessels and neural retina, this study aimed to evaluate the influence of acute exposure to high glucose concentration in the retinal GABAergic system, and the role of nitric oxide (NO) in this modulation...
September 2017: Experimental Eye Research
https://www.readbyqxmd.com/read/28727746/atorvastatin-reduces-%C3%AE-adrenergic-dysfunction-in-rats-with-diabetic-cardiomyopathy
#15
Aude Carillion, Sarah Feldman, Na Na, Matthieu Biais, Wassila Carpentier, Aurélie Birenbaum, Nicolas Cagnard, Xavier Loyer, Dominique Bonnefont-Rousselot, Stéphane Hatem, Bruno Riou, Julien Amour
BACKGROUND: In the diabetic heart the β-adrenergic response is altered partly by down-regulation of the β1-adrenoceptor, reducing its positive inotropic effect and up-regulation of the β3-adrenoceptor, increasing its negative inotropic effect. Statins have clinical benefits on morbidity and mortality in diabetic patients which are attributed to their "pleiotropic" effects. The objective of our study was to investigate the role of statin treatment on β-adrenergic dysfunction in diabetic rat cardiomyocytes...
2017: PloS One
https://www.readbyqxmd.com/read/28720331/a-novel-antihypertension-agent-sargachromenol-d-from-marine-brown-algae-sargassum-siliquastrum-exerts-dual-action-as-an-l-type-ca-2-channel-blocker-and-endothelin-a-b2-receptor-antagonist
#16
Byong-Gon Park, Woon-Seob Shin, Sangtae Oh, Gab-Man Park, Nam Ik Kim, Seokjoon Lee
We isolated the novel vasoactive marine natural products, (5E,10E)-14-hydroxy-2,6,10-trimethylpentadeca-5,10-dien-4-one (4) and sargachromenol D (5), from Sargassum siliquastrum collected from the coast of the East Sea in South Korea by using activity-guided HPLC purification. The compounds effectively dilated depolarization (50mMK(+))-induced basilar artery contraction with EC50 values of 3.52±0.42 and 1.62±0.63μM, respectively, but only sargachromenol D (5) showed a vasodilatory effect on endothelin-1 (ET-1)-induced basilar artery contraction (EC50=9...
July 6, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28717973/design-and-development-of-repaglinide-microemulsion-gel-for-transdermal-delivery
#17
Ujwala A Shinde, Sheela H Modani, Kavita H Singh
Microemulsion formulation of repaglinide, a BCS class II hypoglycemic agent with limited oral bioavailability, was developed considering its solubility in various oils, surfactants, and cosurfactants. The pseudo-ternary phase diagrams for microemulsion regions were constructed by water titration method at K m 1:1 and characterized for optical birefringence, percentage transmittance, pH, refractive index, globule size, zeta potential, viscosity, drug content, and thermodynamic stability. To enhance the drug permeation and residence time, the optimized microemulsions having mean globule size of 36...
July 17, 2017: AAPS PharmSciTech
https://www.readbyqxmd.com/read/28715444/pyrrolidine-dithiocarbamate-ameliorates-endothelial-dysfunction-in-thoracic-aorta-of-diabetic-rats-by-preserving-vascular-ddah-activity
#18
Chang-Wu Lu, Yuan Lin, Yan-Ping Lei, Lan Wang, Zhi-Min He, Yan Xiong
OBJECTIVE: Endothelial dysfunction plays a pivotal role in the development of diabetic cardiovascular complications. Accumulation of endogenous nitric oxide synthase (NOS) inhibitor asymmetric dimethylarginine (ADMA) and inhibition of dimethylarginine dimethylaminohydrolase (DDAH) activity have been involved in diabetic endothelial dysfunction. This study was to investigate the effect of pyrrolidine dithiocarbamate (PDTC) on impairment of endothelium-dependent vasodilatation in diabetic rats and its potential mechanism...
2017: PloS One
https://www.readbyqxmd.com/read/28712850/ex%C3%A2-vivo-instability-of-glycated-albumin-a-role-for-autoxidative-glycation
#19
Joshua W Jeffs, Shadi Ferdosi, Hussein N Yassine, Chad R Borges
Ex vivo protein modifications occur within plasma and serum (P/S) samples due to prolonged exposure to the thawed state-which includes temperatures above -30 °C. Herein, the ex vivo glycation of human serum albumin from healthy and diabetic subjects was monitored in P/S samples stored for hours to months at -80 °C, -20 °C, and room temperature, as well as in samples subjected to multiple freeze-thaw cycles, incubated at different surface area-to-volume ratios or under different atmospheric compositions...
September 1, 2017: Archives of Biochemistry and Biophysics
https://www.readbyqxmd.com/read/28712588/retraction-notice-to-anti-diabetic-activity-of-swertia-corymbosa-griseb-wight-ex-c-b-clarke-aerial-parts-extract-in-streptozotocin-induced-diabetic-rats-j-ethnopharmacol-151-3-2014-1175-1183
#20
G Mahendran, G Thamotharan, S Sengottuvelu, V Narmatha Bai
No abstract text is available yet for this article.
July 31, 2017: Journal of Ethnopharmacology
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