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Insulin Type 2 Diabetes

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https://www.readbyqxmd.com/read/29353395/comparison-of-osteoporosis-in-us-adults-with-type-1-and-type-2-diabetes-mellitus
#1
S C DeShields, T D Cunningham
PURPOSE: We examined bone mineral density (BMD) and osteoporosis prevalence in those with type 1 compared to type 2 diabetes derived from a nationally representative sample from the civilian community in the United States. METHODS: Data from the National Health and Nutrition Examination Survey (NHANES) for 2005-2006, 2007-2008, 2009-2010, and 2013-2014 were merged to obtain a large sample of diabetics at least 20 years of age with participation in the interview and medical examination...
January 20, 2018: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/29352842/amylin-in-the-insulin-resistance-of-patients-with-rheumatoid-arthritis
#2
Ivan Ferraz-Amaro, Raquel López-Mejias, Beatriz Tejera-Segura, Antonia M de Vera-González, Begoña Ubilla, Jose M Olmos, José Luis Hernández, Miguel Angel González-Gay
OBJECTIVES: Amylin, which is co-secreted with insulin, plays a role in glycemic regulation and is impaired in type 2 diabetes. In the present study we assess, for the first time, the implication of amylin in the development of insulin resistance (IR) in rheumatoid arthritis (RA). METHODS: This was a cross-sectional study involving 361 non-diabetic individuals, 151 patients with RA and 210 sex-matched controls. Insulin, C-peptide, amylin, lipoprotein serum concentrations, and IR indexes by homeostatic model assessment (HOMA2) were evaluated in patients and controls...
January 15, 2018: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/29352513/morbid-obesity-and-type-2-diabetes-alter-intestinal-fatty-acid-uptake-and-blood-flow
#3
Jukka Koffert, Mia Ståhle, Henry Karlsson, Patricia Iozzo, Paulina Salminen, Anne Roivainen, Pirjo Nuutila
BACKGROUND AND AIMS: Bariatric surgery is the most effective treatment to tackle morbid obesity and type 2 diabetes, but the mechanisms of action are still unclear. The objective of this study was to investigate the effects of bariatric surgery on intestinal fatty acid (FA) uptake and blood flow. MATERIALS AND METHODS: We recruited 27 morbidly obese subjects of which 10 had type 2 diabetes and 15 healthy age-matched controls. Intestinal blood flow and fatty acid uptake from circulation were measured during fasting state using positron emission tomography (PET)...
January 20, 2018: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/29352421/predictors-of-insulin-initiation-in-patients-with-type-2-diabetes-an-analysis-of-the-look-ahead-randomized-trial
#4
Scott J Pilla, Hsin-Chieh Yeh, Stephen P Juraschek, Jeanne M Clark, Nisa M Maruthur
BACKGROUND: The decision to initiate insulin in patients with type 2 diabetes is a challenging escalation of care that requires an individualized approach. However, the sociodemographic and clinical factors affecting insulin initiation are not well understood. OBJECTIVE: We sought to identify patient factors that were independent predictors of insulin initiation among participants in the Look AHEAD (Action for Health in Diabetes) clinical trial. DESIGN: Retrospective analysis of a randomized clinical trial...
January 19, 2018: Journal of General Internal Medicine
https://www.readbyqxmd.com/read/29352311/decreased-%C3%AE-cell-mass-and-early-structural-alterations-of-the-exocrine-pancreas-in-patients-with-type-1-diabetes-an-analysis-based-on-the-npod-repository
#5
Fidéline Bonnet-Serrano, Marc Diedisheim, Roberto Mallone, Etienne Larger
BACKGROUND AND AIMS: Abnormal glucagon secretion and functional alterations of the exocrine pancreas have been described in patients with type 1 diabetes (T1D), but their respective anatomical substrata have seldom been investigated. Our aim was to develop an automated morphometric analysis process to characterize the anatomy of α-cell and exocrine pancreas in patients with T1D, using the publicly available slides of the Network for Pancreatic Organ Donors (nPOD). MATERIALS AND METHODS: The ratio of β- and α-cell area to total tissue area were quantified in 75 patients with T1D (thereafter patients) and 66 control subjects (thereafter controls), on 2 insulin-stained and 4 glucagon-stained slides from both the head and the tail of the pancreas...
2018: PloS One
https://www.readbyqxmd.com/read/29351716/effect-of-metformin-on-glycemic-control-in-patients-with-type-1-diabetes-a-meta-analysis-of-randomized-controlled-trials
#6
Haiyang Meng, Ailing Zhang, Yan Liang, Jie Hao, Xiaojian Zhang, Jingli Lu
BACKGROUND: For T1D patients, adding metformin to insulin therapies is thought to improve blood glucose levels, but current evidence does not support this clinical benefit. Additional data from large clinical trials are now available; therefore, we conducted a meta-analysis of studies on assessing the efficacy and adverse effects of metformin. METHODS: We searched the MEDLINE, EMBASE and Cochrane Library databases for data from randomized controlled trials (RCTs)...
January 19, 2018: Diabetes/metabolism Research and Reviews
https://www.readbyqxmd.com/read/29351486/different-physiological-roles-of-insulin-receptors-in-mediating-nutrient-metabolism-in-zebrafish
#7
Bin-Yuan Yang, Gang Zhai, Yu-Long Gong, Jing-Zhi Su, Xu-Yan Peng, Guo-Hui Shang, Dong Han, Jun-Yan Jin, Hao-Kun Liu, Zhen-Yu Du, Zhan Yin, Shou-Qi Xie
Insulin, the most potent anabolic hormone, is critical for somatic growth and metabolism in vertebrates. Type 2 diabetes, which is the primary cause of hyperglycemia, results from an inability of insulin to signal glycolysis and gluconeogenesis. Our previous study showed that double knockout of insulin receptor a (insra) and b (insrb) caused β-cell hyperplasia and lethality from 5 dpf to 16 dpf. In this study, we characterized the physiological roles of Insra and Insrb, in somatic growth and fueling metabolism, respectively...
December 19, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29351485/insulin-signaling-displayed-a-differential-tissue-specific-response-to-low-dose-dht-in-female-mice
#8
Stanley Andrisse, Katelyn Billings, Ping Xue, Sheng Wu
Hyperandrogenemia and hyperinsulinemia are believed to play prominent roles in polycystic ovarian syndrome (PCOS). We explored the effects of low dose dihydrotestosterone (DHT), a PCOS model, on insulin signaling in metabolic and re-productive tissues in a female mouse model. Insulin resistance in the energy storage tissues is associated with type 2 diabetes. Insulin signaling in the ovaries and pituitary either directly or indirectly stimulates androgen production. Energy storage and reproductive tissues were isolated and molecular assays were performed...
December 19, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29351481/regulation-of-glucose-metabolism-in-non-diabetic-metabolically-obese-normal-weight-asians
#9
Cherlyn Ding, Zhiling Chan, Yu Chung Chooi, John Choo, Suresh Anand Sadananthan, Amanda Chang, S Sasikala, Navin Michael, S Sendhil Velan, Faidon Magkos
Type 2 diabetes in Asia occurs largely in the absence of obesity. The metabolically-obese normal-weight (MONW) phenotype refers to lean subjects with metabolic dysfunction that is typically observed in people with obesity, and is associated with increased risk for diabetes. Previous studies evaluated MONW subjects who had greater BMI or total body fat than respective control groups, making interpretation of the results difficult. We evaluated insulin sensitivity (hyperinsulinemic-euglycemic clamp), insulin secretion (mixed meal with oral minimal modeling), intra-abdominal, muscle, and liver fat contents (magnetic resonance), and fasting and postprandial glucose and insulin concentrations in 18 MONW subjects and 18 metabolically-healthy controls matched for age (43{plus minus}3 and 40{plus minus}3 y; P=0...
January 2, 2018: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29351480/mechanistically-different-effects-of-fat-and-sugar-on-insulin-resistance-hypertension-and-gut-microbiota-in-rats
#10
Sara Ramos-Romero, Mercè Hereu, Lidia Atienza, Josefina Casas, Olga Jáuregui, Susana Amézqueta, Gabriel Dasilva, Isabel Medina, Maria Rosa Nogués, Marta Romeu, Josep Lluís Torres
Insulin resistance (IR) and impaired glucose tolerance (IGT) are the first manifestations of diet-induced metabolic alterations leading to type-2 diabetes, while hypertension is the deadliest risk factor of cardiovascular disease. The roles of dietary fat and fructose in the development of IR, IGT and hypertension are controversial. We tested the long-term effects of an excess of fat or sucrose (fructose/glucose) on healthy male Wistar Kyoto (WKY) rats. Fat affects IR and IGT earlier than fructose through low-grade systemic inflammation evidenced by liver inflammatory infiltration, increased levels of plasma interleukin-6, prostaglandin E2 and reduced levels of protective short-chain fatty acids without triggering hypertension...
January 2, 2018: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29351404/type-2-diabetes-impairs-the-ability-of-skeletal-muscle-pericytes-to-augment-postischemic-neovascularization-in-db-db-mice
#11
Katherine L Hayes, Louis M Messina, Lawrence M Schwartz, Jinglian Yan, Amy S Burnside, Sarah Witkowski
Peripheral artery disease is an atherosclerotic occlusive disease that causes limb ischemia and has few effective non-interventional treatments. Stem cell therapy is promising, but concomitant diabetes may limit its effectiveness. We evaluated the therapeutic potential of skeletal muscle pericytes to augment postischemic neovascularization in wild type and type 2 diabetic (T2DM) mice. Wild type C57BL/6J and leptin receptor spontaneous mutation db/db T2DM mice underwent unilateral femoral artery excision to induce limb ischemia...
January 10, 2018: American Journal of Physiology. Cell Physiology
https://www.readbyqxmd.com/read/29351335/the-effects-of-an-acute-exercise-bout-on-gh-and-igf-1-in-prediabetic-and-healthy-african-americans-a-pilot-study-investigating-gene-expression
#12
Nathaniel T Berry, Monica Hubal, Laurie Wideman
The incidence of pre-diabetes (PD) and Type-2 Diabetes Mellitus (T2D) is a worldwide epidemic. African American (AA) individuals are disproportionately more likely to become diabetic than other ethnic groups. Over the long-term, metabolic complications related to diabetes result in significant alterations in growth hormone (GH) and insulin-like growth factor-1 (IGF-1). Considering the limited exercise-related studies in the area of gene expression changes with disease progression, the objective of this study was to examine differences in exercise-induced gene expression related to the GH and IGF-1 pathways in peripheral blood mononuclear cells (PBMCs) of healthy (CON) and PD AA individuals...
2018: PloS One
https://www.readbyqxmd.com/read/29350663/effectiveness-of-a-tailored-medical-support-to-overcome-the-barriers-to-education-treatment-and-good-metabolic-control-in-children-with-type-1-diabetes-from-ethnic-minorities
#13
Brunella Iovane, Antonina Marta Cangelosi, Ilaria Bonaccini, Carla Mastrorilli, Dora Di Mauro, Valentina Fainardi, Giovanni Chiari, Marilena Maltese, Carlo Caffarelli, Maurizio Vanelli
AIM: To analyze the effectiveness of a tailored medical support to help children from ethnic minorities to achieve the same good metabolic control of autochthonous peers with type-1 diabetes (T1D). METHODS: Children <10 years of age belonging to ethnic minority (EM) families (Group 1) were compared with autochthonous peers (Group 2) who received the diagnosis of T1D in 2014-2016. The Protocol for minorities included other than the standard protocol: booklets translated in ethnic minority languages; weekly visits at home or at school; family-guides; clinic visits supported by professional interpreters...
January 16, 2018: Acta Bio-medica: Atenei Parmensis
https://www.readbyqxmd.com/read/29350465/proteomics-analysis-of-skeletal-muscle-from-leptin-deficient-ob-ob-mice-reveals-adaptive-remodeling-of-metabolic-characteristics-and-fiber-type-composition
#14
Milena Schönke, Marie Björnholm, Alexander V Chibalin, Juleen R Zierath, Atul S Deshmukh
Skeletal muscle insulin resistance, an early metabolic defect in the pathogenesis of type 2 diabetes, may be a cause or consequence of altered protein expressions profiles. Proteomics technology offers enormous promise to investigate molecular mechanisms underlying pathologies, however, the analysis of skeletal muscle is challenging. Using state-of-the-art multi-enzyme digestion and filter-aided sample preparation (MED-FASP) and a mass spectrometry (MS) based workflow, we performed a global proteomics analysis of skeletal muscle from leptin-deficient, obese, insulin resistant (ob/ob) and lean mice in mere two fractions in a short time (8 hours/sample)...
January 19, 2018: Proteomics
https://www.readbyqxmd.com/read/29349894/assessment-of-the-potential-of-temporin-peptides-from-the-frog-rana-temporaria-ranidae-as-anti-diabetic-agents
#15
Vishal Musale, Bruno Casciaro, Maria Luisa Mangoni, Yasser H A Abdel-Wahab, Peter R Flatt, J Michael Conlon
Temporin A (FLPLIGRVLSGIL-NH2 ), temporin F (FLPLIGKVLSGIL-NH2 ), and temporin G (FFPVIGRILNGIL-NH2 ), first identified in skin secretions of the frog Rana temporaria, produced concentration-dependent stimulation of insulin release from BRIN-BD11 rat clonal β-cells at concentrations ≥1 nM, without cytotoxicity at concentrations up to 3 μM. Temporin A was the most effective. The mechanism of insulinotropic action did not involve an increase in intracellular Ca2+ concentrations. Temporins B, C, E, H, and K were either inactive or only weakly active...
January 19, 2018: Journal of Peptide Science: An Official Publication of the European Peptide Society
https://www.readbyqxmd.com/read/29349498/plasma-metabolites-associated-with-type-2-diabetes-in-a-swedish-population-a-case-control-study-nested-in-a-prospective-cohort
#16
Lin Shi, Carl Brunius, Marko Lehtonen, Seppo Auriola, Ingvar A Bergdahl, Olov Rolandsson, Kati Hanhineva, Rikard Landberg
AIMS/HYPOTHESIS: The aims of the present work were to identify plasma metabolites that predict future type 2 diabetes, to investigate the changes in identified metabolites among individuals who later did or did not develop type 2 diabetes over time, and to assess the extent to which inclusion of predictive metabolites could improve risk prediction. METHODS: We established a nested case-control study within the Swedish prospective population-based Västerbotten Intervention Programme cohort...
January 18, 2018: Diabetologia
https://www.readbyqxmd.com/read/29348496/natriuretic-peptides-promote-glucose-uptake-in-a-cgmp-dependent-manner-in-human-adipocytes
#17
Marine Coué, Valentin Barquissau, Pauline Morigny, Katie Louche, Corinne Lefort, Aline Mairal, Christian Carpéné, Nathalie Viguerie, Peter Arner, Dominique Langin, Mikael Rydén, Cedric Moro
Robust associations between low plasma level of natriuretic peptides (NP) and increased risk of type 2 diabetes (T2D) have been recently reported in humans. Adipose tissue (AT) is a known target of NP. However it is unknown whether NP signalling in human AT relates to insulin sensitivity and modulates glucose metabolism. We here show in two European cohorts that the NP receptor guanylyl cyclase-A (GC-A) expression in subcutaneous AT was down-regulated as a function of obesity grade while adipose NP clearance receptor (NPRC) was up-regulated...
January 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29347915/the-role-of-hypoglycemia-in-the-burden-of-living-with-diabetes-among-adults-with-diabetes-and-family-members-results-from-the-dawn2-study-in-the-netherlands
#18
Giesje Nefs, François Pouwer
BACKGROUND: To examine the relation between self-reported hypoglycemic events, worries about these episodes, and the burden of diabetes in adults with diabetes and family members from The Netherlands. METHODS: As part of the second multinational Diabetes Attitudes, Wishes and Needs (DAWN2) study, 412 Dutch adults with type 1 or type 2 diabetes and 86 family members completed questions about the burden of living with diabetes, the frequency of hypoglycemia, worries about these events, and several demographic and clinical factors...
January 18, 2018: BMC Public Health
https://www.readbyqxmd.com/read/29347844/docking-analysis-targeted-to-the-whole-enzyme-an-application-to-the-prediction-of-inhibition-of-ptp1b-by-thiomorpholine-and-thiazolyl-derivatives
#19
C A Ganou, P Th Eleftheriou, P Theodosis-Nobelos, M Fesatidou, A A Geronikaki, T Lialiaris, E A Rekka
PTP1b is a protein tyrosine phosphatase involved in the inactivation of insulin receptor. Since inhibition of PTP1b may prolong the action of the receptor, PTP1b has become a drug target for the treatment of type II diabetes. In the present study, prediction of inhibition using docking analysis targeted specifically to the active or allosteric site was performed on 87 compounds structurally belonging to 10 different groups. Two groups, consisting of 15 thiomorpholine and 10 thiazolyl derivatives exhibiting the best prediction results, were selected for in vitro evaluation...
February 2018: SAR and QSAR in Environmental Research
https://www.readbyqxmd.com/read/29346712/synergetic-effects-of-prenatal-and-postnatal-high-sucrose-intake-on-glucose-tolerance-and-hepatic-insulin-resistance-in-rat-offspring
#20
Pengjie Zhang, Di Zhu, Yueming Zhang, Lingjun Li, Xionghui Chen, Wenna Zhang, Ruixiu Shi, Jianying Tao, Bing Han, Zhice Xu
SCOPE: High sucrose intake during pregnancy is linked to type 2 diabetes mellitus and altered insulin resistance. METHODS AND RESULTS: This study attempted to ascertain whether prenatal high sucrose intake (20% sucrose) alleviates the detrimental effects of high postnatal sugar consumption in the offspring, and the molecular mechanisms were investigated using a rat model. High prenatal sucrose exposure increased the body weight of the offspring at 1 to 3 weeks of age...
January 18, 2018: Molecular Nutrition & Food Research
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