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Diabetes models

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https://www.readbyqxmd.com/read/27914256/the-effect-of-sambucus-nigra-l-extract-and-phytosinthesized-gold-nanoparticles-on-diabetic-rats
#1
Razvan Opris, Corina Tatomir, Diana Olteanu, Remus Moldovan, Bianca Moldovan, Luminita David, Andras Nagy, Nicoleta Decea, Mihai Ludovic Kiss, Gabriela Adriana Filip
Nanomaterials such as gold nanoparticles (NPs) conjugated with natural products have shown good results in lowering the glycated hemoglobin and have an anti-inflamatory effect. The aim of our study is to evaluate the antidiabetic effect of NPs functionalized with Sambucus nigra L. (SN) extract on experimental model of diabetes in rats. Diabetes was induced to 18 Wistar male rats (n=6) by a single intramuscular injection of streptozotocin (30mg/kg body weight - b.w.). SN extract (15mg/kg b.w.), NPs (0.3mg/kg b...
November 27, 2016: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/27913984/basal-insulin-persistence-associated-factors-and-outcomes-after-treatment-initiation-a-retrospective-database-study-among-people-with-type-2-diabetes-mellitus-in-japan
#2
Irene Hadjiyianni, Urvi Desai, Shuichi Suzuki, Jasmina I Ivanova, Dachuang Cao, Noam Y Kirson, Dai Chida, Caroline Enloe, Howard G Birnbaum, Magaly Perez-Nieves
INTRODUCTION: The objective of this study was to assess basal insulin persistence, associated factors, and economic outcomes for insulin-naïve people with type 2 diabetes mellitus (T2DM) in Japan. METHODS: People aged at least 18 years with T2DM with first claim for basal insulin between May 2006 and April 2013 (index date), no insulin use before index date, and continuous insurance coverage for 6 months before (baseline) and 12 months after index date were selected from the Japan Medical Center Database...
December 2, 2016: Diabetes Therapy: Research, Treatment and Education of Diabetes and related Disorders
https://www.readbyqxmd.com/read/27913943/the-cost-effectiveness-of-interventions-targeting-lifestyle-change-for-the-prevention-of-diabetes-in-a-swedish-primary-care-and-community-based-prevention-program
#3
Anne Neumann, Lars Lindholm, Margareta Norberg, Olaf Schoffer, Stefanie J Klug, Fredrik Norström
BACKGROUND: Policymakers need to know the cost-effectiveness of interventions to prevent type 2 diabetes (T2D). The objective of this study was to estimate the cost-effectiveness of a T2D prevention initiative targeting weight reduction, increased physical activity and healthier diet in persons in pre-diabetic states by comparing a hypothetical intervention versus no intervention in a Swedish setting. METHODS: A Markov model was used to study the cost-effectiveness of a T2D prevention program based on lifestyle change versus a control group where no prevention was applied...
December 2, 2016: European Journal of Health Economics: HEPAC: Health Economics in Prevention and Care
https://www.readbyqxmd.com/read/27913872/treatment-for-6%C3%A2-months-with-fish-oil-derived-n-3-polyunsaturated-fatty-acids-has-neutral-effects-on-glycemic-control-but-improves-dyslipidemia-in-type-2-diabetic-patients-with-abdominal-obesity-a-randomized-double-blind-placebo-controlled-trial
#4
Feng Wang, Yanyan Wang, Yan Zhu, Xiaosong Liu, Hui Xia, Xian Yang, Guiju Sun
PURPOSE: This study aimed to determine the effects of fish oil-derived n-3 PUFA on glycemic control and lipid profiles in type 2 diabetic patients with abdominal obesity. METHODS: In a randomized, double-blind, placebo-controlled trial, 100 type 2 diabetic patients with abdominal obesity were randomized into two groups including 4 g/day of fish oil (2.4 g n-3 PUFA) or placebo (corn oil) for 6 months. Serum fatty acid, body composition, as well as markers of glucose regulation and lipid parameters were measured before and after intervention...
December 2, 2016: European Journal of Nutrition
https://www.readbyqxmd.com/read/27913765/prevalence-of-chronic-conditions-and-multimorbidities-in-a-geographically-defined-geriatric-population-with-diverse-races-and-ethnicities
#5
Eunjung Lim, Krupa Gandhi, James Davis, John J Chen
OBJECTIVE: The objective of this study is to examine racial/ethnic differences in prevalence of chronic conditions and multimorbidities in the geriatric population of a state with diverse races/ethnicities. METHOD: Fifteen chronic conditions and their dyads and triads were investigated using Hawaii Medicare 2012 data. For each condition, a multivariable logistic regression model was used to investigate differences in race/ethnicity, adjusting for subject characteristics...
December 2, 2016: Journal of Aging and Health
https://www.readbyqxmd.com/read/27913654/novel-small-molecule-jp-153-targets-the-src-fak-paxillin-signaling-complex-to-inhibit-vegf-induced-retinal-angiogenesis
#6
Jordan J Toutounchian, Jayaprakash Pagadala, Duane D Miller, Jerome Baudry, Frank Park, Edward Chaum, Charles R Yates
Targeting vascular endothelial growth factor (VEGF) is a common treatment strategy for neovascular eye disease, a major cause of vision loss in diabetic retinopathy and age-related macular degeneration. However, the decline in clinical efficacy over time in many patients suggests that monotherapy of anti-VEGF protein therapeutics may benefit from adjunctive treatments. Our previous work has shown that through decreased activation of the cytoskeletal protein paxillin, growth factor-induced ischemic retinopathy in the murine oxygen-induced retinopathy model could be inhibited...
January 2017: Molecular Pharmacology
https://www.readbyqxmd.com/read/27913364/an-intelligible-risk-stratification-model-based-on-pairwise-and-size-constrained-kmeans
#7
Longfei Han, Senlin Luo, Huaiqing Wang, Limin Pan, Xincheng Ma, Tiemei Zhang
Having a system to stratify individuals according to risk is key to clinical disease prevention, this allows individuals identified at different risk tiers benefit from further investigation and intervention. But the same risk score estimated for two different persons doesn't mean they need the same further investigation or represent the similarity health condition between two persons. Meanwhile, users still does not know a prior what most of the risk tiers are, and how many tiers should be found in risk stratification...
November 29, 2016: IEEE Journal of Biomedical and Health Informatics
https://www.readbyqxmd.com/read/27913104/d-ala2-gip-glu-pal-is-neuroprotective-in-a-chronic-parkinson-s-disease-mouse-model-and-increases-bndf-expression-while-reducing-neuroinflammation-and-lipid-peroxidation
#8
Yanwei Li, WeiZhen Liu, Lin Li, Christian Hölscher
Type 2 diabetes mellitus (T2DM) is a risk factor for Parkinson's disease (PD). Therefore, treatment to improve insulin resistance in T2DM may be useful for PD patients. Glucose dependent insulinotropic polypeptide (GIP) is a member of the incretin hormone family that can promote insulin release and improve insulin resistance. Several GIP analogues have been developed as potential treatments for T2DM. We had shown previously that D-Ala2-GIP-glu-PAL, a novel long-acting GIP analogue, can play a neuroprotective role in the PD mouse model induced by acute MPTP injection...
November 29, 2016: European Journal of Pharmacology
https://www.readbyqxmd.com/read/27912203/prognostic-factors-associated-with-15-year-mortality-in-patients-with-hospitalized-systolic-hf-results-of-the-observational-community-based-epical-cohort-study
#9
Nelly Agrinier, Nathalie Thilly, Serge Briançon, Yves Juillière, Paul-Michel Mertes, Jean-Pierre Villemot, François Alla, Faiez Zannad
AIMS: Little data on very long-term survival and associated prognostic factors in heart failure (HF) are available. The aim was to describe 15-year survival and to identify the baseline prognostic factors associated with mortality in a community-based sample of patients hospitalized for systolic HF. METHODS: Vital status was collected 15years after inclusion of 352 patients hospitalized for systolic HF born in France from the prospective cohort EPICAL. The prognostic value of baseline socioeconomic, clinical and biological characteristics on 15-year mortality was assessed using Cox models...
November 12, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27911357/characterization-of-metabolic-status-in-nonhuman-primates-with-the-intravenous-glucose-tolerance-test
#10
Michael Staup, George Aoyagi, TeQuana Bayless, Yixin Wang, Keefe Chng
The intravenous glucose tolerance test (IVGTT) plays a key role in the characterization of glucose homeostasis. When taken together with serum biochemical profiles, inclusive of blood glucose levels in both the fed and fasted state, HbA1c, insulin levels, clinical history of diet, body composition, and body weight status, an assessment of normal and abnormal glycemic control can be made. Interpretation of an IVGTT is done through measurement of changes in glucose and insulin levels over time in relation to the dextrose challenge...
November 13, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27911316/risk-factors-for-mild-cognitive-impairment-in-german-primary-care-practices
#11
Louis Jacob, Jens Bohlken, Karel Kostev
BACKGROUND: Mild cognitive impairment (MCI) is a common mental disorder affecting around 16% of elderly people without dementia. MCI is considered an intermediate state between normal cognition and dementia. OBJECTIVE: To analyze risk factors for the development of MCI in German primary care practices. METHODS: In total, 3,604 MCI patients and 3,604 controls without MCI were included between January 2010 and December 2015. Several disorders potentially associated with MCI were determined...
December 1, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27911310/cholinergic-modification-of-neurogenesis-and-gliosis-improves-the-memory-of%C3%A2-a%C3%AE-ppswe-psen1de9-alzheimer-s-disease-model-mice-fed-a-high-fat-diet
#12
Takeshi Matsuda, Tatsuhiro Hisatsune
We previously reported that neuroinflammation contributes to the amnesia of AβPPswe/PSEN1dE9 Alzheimer's disease model mice fed a high-fat diet to induce type-2 diabetes (T2DM-AD mice), but the underlying mechanism for the memory decline remained unclear. Recent studies have suggested that cholinergic modulation is involved in neuroinflammatory cellular reactions including neurogenesis and gliosis, and in memory improvement. In this study, we administered a broad-spectrum cholinesterase inhibitor, rivastigmine (2 mg/kg/day, s...
November 28, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27909871/nap-interferes-with-hypoxia-inducible-factors-and-vegf-expression-in-retina-of-diabetic-rats
#13
Agata Grazia D'Amico, Grazia Maugeri, Claudio Bucolo, Salvatore Saccone, Concetta Federico, Sebastiano Cavallaro, Velia D'Agata
The retinal microvascular damage is a complication of diabetic retinopathy (DR). Hyperglycemia and hypoxia are responsible of aberrant vessel's proliferation. The cellular response to hypoxia is mediated through activation of hypoxia-inducible factors (HIFs). Among these, HIF-1α modulates expression of its target gene, VEGF, whose upregulation controls the angiogenic event during DR development. In a previous study, we have demonstrated that a small peptide, NAP, is able to protect retina from hyperglycemic insult...
December 1, 2016: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/27909574/characterization-of-5-2-18-f-fluoroethoxy-l-tryptophan-for-pet-imaging-of-the-pancreas
#14
Ahmed Abbas, Christine Beamish, Rebecca McGirr, John Demarco, Neil Cockburn, Dawid Krokowski, Ting-Yim Lee, Michael Kovacs, Maria Hatzoglou, Savita Dhanvantari
Purpose: In diabetes, pancreatic beta cell mass declines significantly prior to onset of fasting hyperglycemia. This decline may be due to endoplasmic reticulum (ER) stress, and the system L amino acid transporter LAT1 may be a biomarker of this process. In this study, we used 5-(2- (18)F-fluoroethoxy)-L-tryptophan ( (18)F-L-FEHTP) to target LAT1 as a potential biomarker of beta cell function in diabetes. Procedures: Uptake of (18)F-L-FEHTP was determined in wild-type C57BL/6 mice by ex vivo biodistribution...
2016: F1000Research
https://www.readbyqxmd.com/read/27909305/j-curve-relation-between-daytime-nap-duration-and-type-2-diabetes-or-metabolic-syndrome-a-dose-response-meta-analysis
#15
Tomohide Yamada, Nobuhiro Shojima, Toshimasa Yamauchi, Takashi Kadowaki
Adequate sleep is important for good health, but it is not always easy to achieve because of social factors. Daytime napping is widely prevalent around the world. We performed a meta-analysis to investigate the association between napping (or excessive daytime sleepiness: EDS) and the risk of type 2 diabetes or metabolic syndrome, and to quantify the potential dose-response relation using cubic spline models. Electronic databases were searched for articles published up to 2016, with 288,883 Asian and Western subjects...
December 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27909038/decision-tree-based-modelling-for-identification-of-potential-interactions-between-type-2-diabetes-risk-factors-a-decade-follow-up-in-a-middle-east-prospective-cohort-study
#16
Azra Ramezankhani, Esmaeil Hadavandi, Omid Pournik, Jamal Shahrabi, Fereidoun Azizi, Farzad Hadaegh
OBJECTIVE: The current study was undertaken for use of the decision tree (DT) method for development of different prediction models for incidence of type 2 diabetes (T2D) and for exploring interactions between predictor variables in those models. DESIGN: Prospective cohort study. SETTING: Tehran Lipid and Glucose Study (TLGS). METHODS: A total of 6647 participants (43.4% men) aged >20 years, without T2D at baselines ((1999-2001) and (2002-2005)), were followed until 2012...
December 1, 2016: BMJ Open
https://www.readbyqxmd.com/read/27908605/direct-health-care-costs-associated-with-obesity-in-chinese-population-in-2011
#17
Jingcheng Shi, Yao Wang, Wenwei Cheng, Hui Shao, Lizheng Shi
AIMS: Overweight and obesity are established major risk factors for type 2 diabetes, and major public health concerns in China. This study aims to assess the economic burden associated with overweight and obesity in the Chinese population ages 45 and older. METHODS: The Chinese Health and Retirement Longitudinal Study (CHARLS) in 2011 included 13,323 respondents of ages 45 and older living in 450 rural and urban communities across China. Demographic information, height, weight, direct health care costs for outpatient visits, hospitalization, and medications for self-care were extracted from the CHARLS database...
November 12, 2016: Journal of Diabetes and its Complications
https://www.readbyqxmd.com/read/27908558/time-varying-risk-for-breast-cancer-following-initiation-of-glucose-lowering-therapy-in-women-with-type-2-diabetes-exploring-detection-bias
#18
Samantha L Bowker, Mu Lin, Dean T Eurich, Jeffrey A Johnson
OBJECTIVES: To explore detection bias in the association between glucose-lowering therapies and breast cancer in a cohort of women with type 2 diabetes. METHODS: This was a retrospective, population-based cohort study. We identified new users of metformin, sulfonylureas, thiazolidinediones and insulin during the index period of January 1, 2003, to December 31, 2010. The main outcome was incident breast cancer, and patients were followed up from drug exposure index date until death, diagnosis of another type of cancer, termination of medical insurance or December 31, 2010...
November 29, 2016: Canadian Journal of Diabetes
https://www.readbyqxmd.com/read/27908418/lead-pb-exposure-promotes-diabetes-in-obese-rodents
#19
Jannifer B Tyrrell, Samar Hafida, Paul Stemmer, Angie Adhami, Todd Leff
BACKGROUND: Pb (lead) exposure occurs at elevated frequency in urban inner city populations that also have high rates of obesity and diabetes. OBJECTIVES: To determine if Pb can promote the development of diabetes in a setting of obesity, we examined the effect of Pb exposure on glucose metabolism in a rodent model of obesity. METHODS: Adult female ZDF rats were exposed to Pb in drinking water for 24 weeks. Fasting blood glucose, insulin, and glucose tolerance were measured at regular intervals...
January 2017: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/27908411/boron-supplementation-improves-bone-health-of-non-obese-diabetic-mice
#20
Renata Dessordi, Adriano Levi Spirlandeli, Ariane Zamarioli, José Batista Volpon, Anderson Marliere Navarro
Diabetes Mellitus is a condition that predisposes a higher risk for the development of osteoporosis. The objective of this study was to investigate the influence of boron supplementation on bone microstructure and strength in control and non-obese diabetic mice for 30days. The animals were supplemented with 40μg/0,5ml of boron solution and controls received 0,5ml of distilled water daily. We evaluated the biochemical parameters: total calcium, phosphorus, magnesium and boron; bone analysis: bone computed microtomography, and biomechanical assay with a three point test on the femur...
January 2017: Journal of Trace Elements in Medicine and Biology
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