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Diabetes & Vascular Disease Research

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https://www.readbyqxmd.com/read/28429615/regulation-of-vascular-large-conductance-calcium-activated-potassium-channels-by-nrf2-signalling
#1
Yong Li, Xiao-Li Wang, Xiaojing Sun, Qiang Chai, Jingchao Li, Benjamin Thompson, Win-Kuang Shen, Tong Lu, Hon-Chi Lee
BK channels are major ionic determinants of vasodilation. BK channel function is impaired in diabetic vessels due to accelerated proteolysis of its beta-1 (BK-β1) subunits in response to increased oxidative stress. The nuclear factor E2-related factor-2 (Nrf2) signalling pathway has emerged as a master regulator of cellular redox status, and we hypothesized that it plays a central role in regulating BK channel function in diabetic vessels. We found that Nrf2 expression was markedly reduced in db/db diabetic mouse aortas, and this was associated with significant downregulation of BK-β1...
April 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28423914/current-views-on-neuropeptide-y-and-diabetes-related-atherosclerosis
#2
Wei-Wei Sun, Ping Zhu, Yan-Chuan Shi, Chen-Liang Zhang, Xu-Feng Huang, Shi-Yu Liang, Zhi-Yuan Song, Shu Lin
Diabetes-induced atherosclerotic cardiovascular disease is the leading cause of death of diabetic patients. Neuronal regulation plays a critical role in glucose metabolism and cardiovascular function under physiological and pathological conditions, among which, neurotransmitter neuropeptide Y has been shown to be closely involved in these two processes. Elevated central neuropeptide Y level promotes food intake and reduces energy expenditure, thereby increasing adiposity. Neuropeptide Y is co-localized with noradrenaline in central and sympathetic nervous systems...
April 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28403644/the-effect-of-basal-insulin-glargine-on-the-fibrinolytic-system-and-von-willebrand-factor-in-people-with-dysglycaemia-and-high-risk-for-cardiovascular-events-swedish-substudy-of-the-outcome-reduction-with-an-initial-glargine-intervention-trial
#3
Aslak Rautio, Kurt Boman, Hertzel C Gerstein, Jenny Hernestål-Boman, Shun Fu Lee, Mona Olofsson, Linda Garcia Mellbin
INTRODUCTION: Fibrinolytic factors, plasminogen activator inhibitor-1, tissue plasminogen activator, tissue plasminogen activator/plasminogen activator-complex and the haemostatic factor von Willebrand factor are known markers of cardiovascular disease. Their plasma levels are adversely affected in patients with dysglycaemia, and glucose normalization with insulin glargine might improve the levels of these factors. METHODS: Prespecified Swedish substudy of the Outcome Reduction with an Initial Glargine Intervention trial (ClinicalTrials...
April 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28393566/prognostic-implications-of-myocardial-perfusion-imaging-and-coronary-calcium-score-in-a-macedonian-cohort-of-asymptomatic-patients-with-type-2-diabetes
#4
Irena Peovska Mitevska, Natalija Baneva, Elizabeta Srbinovska, Lily Stojanovska, Vasso Apostolopoulos, Marijan Bosevski
AIM: Type 2 diabetes is a risk factor for coronary artery disease; however, a number of studies have shown that patients are asymptomatic for coronary artery disease. The presence of coronary artery disease in asymptomatic patients with type 2 diabetes was evaluated to determine its impact on management decision and prognosis. METHODS: A total of 75 patients underwent single-photon emission computed tomography myocardial perfusion imaging for detection of suspected coronary artery disease...
April 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28393534/the-impact-of-smoking-on-the-development-of-diabetes-and-its-complications
#5
Mariola Śliwińska-Mossoń, Halina Milnerowicz
Diabetes is one of the most common metabolic disorders and emerges secondary to an interaction between genetic, environmental and lifestyle factors. This work provides an overview of the impact of smoking on the development of vascular complications in this condition and also provides an overview of the potential role of smoking in predisposition to diabetes. There are many studies documenting the impact of smoking on health (not focused on patients with diabetes), suggesting that the health exposure in these individuals is at least comparable to that observed in the general population...
April 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28330386/the-effects-of-dual-therapy-intensification-with-insulin-or-dipeptidylpeptidase-4-inhibitor-on-cardiovascular-events-and-all-cause-mortality-in-patients-with-type-2-diabetes-a-retrospective-cohort-study
#6
Mamza Jil, Mehta Rajnikant, Donnelly Richard, Idris Iskandar
PURPOSE: To compare time to a composite endpoint of non-fatal acute myocardial infarction, non-fatal stroke or all-cause mortality in patients with type 2 diabetes mellitus who had their treatment intensified with a dipeptidylpeptidase-4 inhibitor or insulin following dual-therapy (metformin plus sulfonylurea) failure. METHODS: A retrospective cohort study was conducted on 5238 patients newly treated with either a dipeptidylpeptidase-4 inhibitor or insulin following dual-therapy failure (2007-2014)...
March 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28330385/health-effectiveness-of-community-health-workers-as-a-diabetes-self-management-intervention
#7
Judith Aponte, Tranice D Jackson, Katarzyna Wyka, Cyril Ikechi
OBJECTIVE: To evaluate the health effectiveness of community health workers among three groups (intervention, attentional control and control groups) of Hispanic adults with uncontrolled (HbA1c >8%) type 2 diabetes mellitus. METHODS: This was a randomized clinical trial involving 180 English- and Spanish-speaking Hispanic individuals with uncontrolled type 2 diabetes mellitus, 40-74 years of age, who received diabetes care at an outpatient, public, urban hospital...
March 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28322071/an-additional-bolus-of-rapid-acting-insulin-to-normalise-postprandial-cardiovascular-risk-factors-following-a-high-carbohydrate-high-fat-meal-in-patients-with-type-1-diabetes-a-randomised-controlled-trial
#8
Matthew D Campbell, Mark Walker, Ramzi A Ajjan, Karen M Birch, Javier T Gonzalez, Daniel J West
AIM: To evaluate an additional rapid-acting insulin bolus on postprandial lipaemia, inflammation and pro-coagulation following high-carbohydrate high-fat feeding in people with type 1 diabetes. METHODS: A total of 10 males with type 1 diabetes [HbA1c 52.5 ± 5.9 mmol/mol (7.0% ± 0.5%)] underwent three conditions: (1) a low-fat (LF) meal with normal bolus insulin, (2), a high-fat (HF) meal with normal bolus insulin and (3) a high-fat meal with normal bolus insulin with an additional 30% insulin bolus administered 3-h post-meal (HFA)...
March 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28301953/glucose-variability-aggravates-cardiac-fibrosis-by-altering-akt-signalling-path
#9
Changjiang Ying, Ting Liu, Hongwei Ling, Mingyue Cheng, Xiaoyan Zhou, Shanshan Wang, Yizhen Mao, Lei Chen, Runze Zhang, Wei Li
OBJECTIVE: To study the effect of blood glucose variability on cardiac fibrosis and its mechanism in a model of diabetic cardiomyopathy. METHODS: A total of 45 Sprague Dawley rats were randomly divided into three groups: control, control diabetes mellitus and fluctuated blood glucose groups. Fluctuated blood glucose was induced by daily subcutaneous insulin and intraperitoneal glucose injections at different time points. Blood lipids and glycosylated haemoglobin A1c were assessed...
March 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28301218/retinal-pathology-is-associated-with-increased-blood-retina-barrier-permeability-in-a-diabetic-and-hypercholesterolaemic-pig-model-beneficial-effects-of-the-lppla2-inhibitor-darapladib
#10
Nimish K Acharya, Xin Qi, Eric L Goldwaser, George A Godsey, Hao Wu, Mary C Kosciuk, Theresa A Freeman, Colin H Macphee, Robert L Wilensky, Venkat Venkataraman, Robert G Nagele
Using a porcine model of diabetes mellitus and hypercholesterolaemia, we previously showed that diabetes mellitus and hypercholesterolaemia is associated with a chronic increase in blood-brain barrier permeability in the cerebral cortex, leading to selective binding of immunoglobulin G and deposition of amyloid-beta1-42 peptide in pyramidal neurons. Treatment with Darapladib (GlaxoSmithKline, SB480848), an inhibitor of lipoprotein-associated phospholipase-A2, alleviated these effects. Here, investigation of the effects of chronic diabetes mellitus and hypercholesterolaemia on the pig retina revealed a corresponding increased permeability of the blood-retina barrier coupled with a leak of plasma components into the retina, alterations in retinal architecture, selective IgG binding to neurons in the ganglion cell layer, thinning of retinal layers due to cell loss and increased glial fibrillary acidic protein expression in Müller cells, all of which were curtailed by treatment with Darapladib...
March 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28183205/inhibition-of-rho-kinase-protects-from-ischaemia-reperfusion-injury-via-regulation-of-arginase-activity-and-nitric-oxide-synthase-in-type-1-diabetes
#11
Yahor Tratsiakovich, Attila Kiss, Adrian T Gonon, Jiangning Yang, Per-Ove Sjöquist, John Pernow
AIM: RhoA/Rho-associated kinase and arginase are implicated in vascular complications in diabetes. This study investigated whether RhoA/Rho-associated kinase and arginase inhibition protect from myocardial ischaemia-reperfusion injury in type 1 diabetes and the mechanisms behind these effects. METHODS: Rats with streptozotocin-induced type 1 diabetes and non-diabetic rats were subjected to 30 min myocardial ischaemia and 2 h reperfusion after being randomized to treatment with (1) saline, (2) RhoA/Rho-associated kinase inhibitor hydroxyfasudil, (3) nitric oxide synthase inhibitor N(G)-monomethyl-l-arginine monoacetate followed by hydroxyfasudil, (4) arginase inhibitor N-omega-hydroxy-nor-l-arginine, (5) N(G)-monomethyl-l-arginine monoacetate followed by N-omega-hydroxy-nor-l-arginine or (6) N(G)-monomethyl-l-arginine monoacetate given intravenous before ischaemia...
February 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28183204/serum-uric-acid-to-creatinine-ratio-a-predictor-of-incident-chronic-kidney-disease-in-type-2-diabetes-mellitus-patients-with-preserved-kidney-function
#12
Liubao Gu, Liji Huang, Haidi Wu, Qinglin Lou, Rongwen Bian
BACKGROUND: Serum uric acid has shown to be a predictor of renal disease progression in most but not all studies. This study aims to test whether renal function-normalized serum uric acid is superior to serum uric acid as the predictor of incident chronic kidney disease in type 2 diabetes mellitus patients. METHODS: In this study, 1339 type 2 diabetes mellitus patients with estimated glomerular filtration rate ⩾60 mL/min/1.73 m(2) and normouricemia were included...
February 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28185533/mapping-the-methylation-status-of-the-mir-145-promoter-in-saphenous-vein-smooth-muscle-cells-from-individuals-with-type-2-diabetes
#13
Kirsten Riches, John Huntriss, Claire Keeble, Ian C Wood, David J O'Regan, Neil A Turner, Karen E Porter
Type 2 diabetes mellitus prevalence is growing globally, and the leading cause of mortality in these patients is cardiovascular disease. Epigenetic mechanisms such as microRNAs (miRs) and DNA methylation may contribute to complications of type 2 diabetes mellitus. We discovered an aberrant type 2 diabetes mellitus-smooth muscle cell phenotype driven by persistent up-regulation of miR-145. This study aimed to determine whether elevated expression was due to changes in methylation at the miR-145 promoter. Smooth muscle cells were cultured from saphenous veins of 22 non-diabetic and 22 type 2 diabetes mellitus donors...
March 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28185532/the-metabolites-in-peripheral-blood-mononuclear-cells-showed-greater-differences-between-patients-with-impaired-fasting-glucose-or-type-2-diabetes-and-healthy-controls-than-those-in-plasma
#14
Minjoo Kim, Minkyung Kim, Ji Yun Han, Sang-Hyun Lee, Sun Ha Jee, Jong Ho Lee
To determine differences between peripheral blood mononuclear cells and the plasma metabolites in patients with impaired fasting glucose or type 2 diabetes and healthy controls. In all, 65 nononobese patients (aged 30-70 years) with impaired fasting glucose or type 2 diabetes and 65 nonobese sex-matched healthy controls were included, and fasting peripheral blood mononuclear cell and plasma metabolomes were profiled. The diabetic or impaired fasting glucose patients showed higher circulating and peripheral blood mononuclear cell lipoprotein phospholipase A2 activities, high-sensitivity C-reactive protein and tumour necrosis factor-α than controls...
March 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28185531/endothelial-dysfunction-in-normoglycaemic-first-degree-relatives-of-type-2-diabetes-mellitus-complicated-with-hyperuricaemia
#15
Junxia Zhang, Lin Xiang, Bilin Zhang, Yangyang Cheng
OBJECTIVE: To reveal the effect of hyperuricaemia on endothelial function in normoglycaemic first-degree relatives of type 2 diabetes mellitus. METHODS: In all, 40 first-degree relatives of type 2 diabetes mellitus with hyperuricaemia, 40 first-degree relatives of type 2 diabetes mellitus with normouricaemia and 35 healthy subjects without diabetic family history were recruited in this study. Anthropometric parameters as well as blood pressure, blood lipids, fasting blood glucose, fasting insulin, C-reactive protein, tumour necrosis factor-α and interleukin-6 were measured...
March 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28185530/increased-circulating-levels-of-musclin-in-newly-diagnosed-type-2-diabetic-patients
#16
Wen-Jia Chen, Yue Liu, Yu-Bin Sui, Bo Zhang, Xiao-Hui Zhang, Xin-Hua Yin
BACKGROUND: Musclin is a newly identified skeletal muscle-derived secretory factor, which has been recently characterized as a stimulator that induces insulin resistance in mice. However, the pathophysiological role of musclin in humans remains poorly understood. The aim of this study was to explore the potential correlations between musclin plasma levels and various metabolic parameters in patients with type 2 diabetes mellitus. MATERIALS AND METHODS: In this hospital-based study, plasma samples were collected from the enrolled individuals, including 38 newly diagnosed, treatment-naive type 2 diabetes mellitus patients and 41 age- and gender-matched control subjects...
March 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28185529/elevated-levels-of-adipokines-predict-outcome-after-acute-myocardial-infarction-a-long-term-follow-up-of-the-glucose-tolerance-in-patients-with-acute-myocardial-infarction-cohort
#17
Viveca Ritsinger, Kerstin Brismar, Klas Malmberg, Linda Mellbin, Per Näsman, Lars Rydén, Stefan Söderberg, Åke Tenerz, Anna Norhammar
OBJECTIVE: Adiponectin and leptin are associated with insulin resistance and cardiovascular disease. Information on the prognostic value after an acute myocardial infarction is still conflicting. METHODS: Patients (n = 180) without known diabetes and with admission glucose of <11 mmol/L admitted for an acute myocardial infarction in 1998-2000 were followed for mortality and cardiovascular events (first of cardiovascular mortality/acute myocardial infarction/stroke/heart failure) until the end of 2011 (median: 11...
March 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28127996/exercise-training-the-under-developed-elixir-vitae-of-chronic-disease
#18
Carrie Ferguson, Karen M Birch, Jack O Garnham, Klaus K Witte
No abstract text is available yet for this article.
March 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28111985/aleglitazar-a-dual-peroxisome-proliferator-activated-receptor-%C3%AE-and-%C3%AE-agonist-protects-cardiomyocytes-against-the-adverse-effects-of-hyperglycaemia
#19
Yan Chen, Hongmei Chen, Yochai Birnbaum, Manjyot K Nanhwan, Mandeep Bajaj, Yumei Ye, Jinqiao Qian
PURPOSE: To assess the effects of Aleglitazar on hyperglycaemia-induced apoptosis. METHODS: We incubated human cardiomyocytes, cardiomyocytes from cardiac-specific peroxisome proliferator-activated receptor-γ knockout or wild-type mice in normoglycaemic or hyperglycaemic conditions (glucose 25 mM). Cells were treated with different concentrations of Aleglitazar for 48 h. We measured viability, apoptosis, caspase-3 activity, cytochrome-C release, total antioxidant capacity and reactive oxygen species formation in the treated cardiomyocytes...
March 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28128009/hypoglycaemia-in-patients-with-diabetes-mellitus-and-renal-impairment
#20
Thushan S Hettige, Mark E Cooper
No abstract text is available yet for this article.
January 1, 2017: Diabetes & Vascular Disease Research
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