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Diabetes & Vascular Disease Research

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https://www.readbyqxmd.com/read/28868898/the-tumour-suppressor-cdkn2a-p16-ink4a-regulates-adipogenesis-and-bone-marrow-dependent-development-of-perivascular-adipose-tissue
#1
Kristiaan Wouters, Yann Deleye, Sarah A Hannou, Jonathan Vanhoutte, Xavier Maréchal, Augustin Coisne, Madjid Tagzirt, Bruno Derudas, Emmanuel Bouchaert, Christian Duhem, Emmanuelle Vallez, Casper G Schalkwijk, François Pattou, David Montaigne, Bart Staels, Réjane Paumelle
The genomic CDKN2A/B locus, encoding p16(INK4a) among others, is linked to an increased risk for cardiovascular disease and type 2 diabetes. Obesity is a risk factor for both cardiovascular disease and type 2 diabetes. p16(INK4a) is a cell cycle regulator and tumour suppressor. Whether it plays a role in adipose tissue formation is unknown. p16(INK4a) knock-down in 3T3/L1 preadipocytes or p16(INK4a) deficiency in mouse embryonic fibroblasts enhanced adipogenesis, suggesting a role for p16(INK4a) in adipose tissue formation...
September 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28866908/high-burden-of-coronary-atherosclerosis-in-patients-with-a-new-diagnosis-of-type-2-diabetes
#2
Monija Mrgan, Kristian L Funck, Sara Gaur, Kristian A Øvrehus, Damini Dey, Martin W Kusk, Bjarne L Nørgaard, Jørgen B Gram, Michael H Olsen, Jeppe Gram, Niels Peter R Sand
PURPOSE: The purposes of this study were to compare the presence, extent and composition of coronary plaques in asymptomatic patients with newly diagnosed type 2 diabetes to age- and sex-matched controls. METHODS: Patients with newly diagnosed (<1 year) type 2 diabetes ( n = 44) and controls ( n = 44) underwent contrast-enhanced coronary computed tomography angiography. Advanced plaque analysis including total plaque volume and volumes of plaque components (calcified plaque and non-calcified plaque, including low-attenuation [low-density non-calcified plaque]) was performed using validated semi-automated software...
September 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28856928/cxc-chemokine-ligand-16-is-increased-in-gestational-diabetes-mellitus-and-preeclampsia-and-associated-with-lipoproteins-in-gestational-diabetes-mellitus-at-5%C3%A2-years-follow-up
#3
Tove Lekva, Annika E Michelsen, Pål Aukrust, Marie Cecilie Paasche Roland, Tore Henriksen, Jens Bollerslev, Thor Ueland
BACKGROUND: Women with a history of gestational diabetes mellitus and preeclampsia are at increased risk of cardiovascular disease later in life, but the mechanism remains unclear. The aim of the study was to evaluate the association between CXC chemokine ligand 16 and indices of glucose metabolism, dyslipidemia and systemic inflammation in gestational diabetes mellitus and preeclampsia. METHODS: This sub-study of the population-based prospective cohort included 310 women...
August 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28830235/endothelial-cell-apoptosis-correlates-with-low-haptoglobin-concentrations-in-diabetes
#4
Rinkoo Dalan, Xiaofeng Liu, Liuh Ling Goh, Sun Bing, Kathy Qian Luo
OBJECTIVE: The haptoglobin 2-2 genotype is associated with lower haptoglobin concentrations and atherosclerosis in diabetes. Endothelial cell apoptosis contributes significantly to atherosclerosis. We studied endothelial cell apoptosis in diabetes patients with haptoglobin 2-2 and non-haptoglobin 2-2 genotype. Approach and results: We pooled plasma from 10 patients with haptoglobin 2-2 and non-haptoglobin 2-2 genotype and quantified endothelial cell apoptosis using a hemodynamic lab-on-chip system...
August 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28830217/decreased-glucagon-like-peptide-1-receptor-expression-in-endothelial-and-smooth-muscle-cells-in-diabetic-db-db-mice-tcf7l2-is-a-possible-regulator-of-the-vascular-glucagon-like-peptide-1-receptor
#5
Tomohiko Kimura, Atsushi Obata, Masashi Shimoda, Seizo Okauchi, Hidenori Hirukawa, Kenji Kohara, Tomoe Kinoshita, Yuka Nogami, Shuhei Nakanishi, Tomoatsu Mune, Kohei Kaku, Hideaki Kaneto
AIMS: Incretin signalling is known to prevent the development of arteriosclerosis by relaxation response in endothelial cells via the glucagon-like peptide 1 receptor. It remains unclear, however, whether vascular glucagon-like peptide 1 receptor expression is altered under some conditions. The aim of this study is to examine whether vascular glucagon-like peptide 1 receptor expression is altered by diabetic state as reported in pancreatic β-cells. METHODS: We used 18-week-old male diabetic db/db mice and control db/m mice...
August 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28825331/metabolic-inflexibility-in-individuals-with-obesity-assessed-by-near-infrared-spectroscopy
#6
Rogério Nogueira Soares, Raylene A Reimer, Patricia K Doyle-Baker, Juan M Murias
OBJECTIVE: To non-invasively evaluate differences in oxidative metabolism in individuals with obesity compared to normal weight using the near-infrared spectroscopy and vascular occlusion technique during hyperglycaemia. METHODS: In all, 16 normal-weight individuals (body mass index: 21.3 ± 1.7 kg/m(2)) and 13 individuals with obesity (body mass index: 34.4 ± 2.0 kg/m(2)) had five vascular occlusion tests (pre, 30, 60, 90 and 120 min after glucose ingestion)...
August 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28819987/maximum-home-blood-pressure-is-a-useful-indicator-of-diabetic-nephropathy-in-patients-with-type-2-diabetes-mellitus-kamogawa-hbp-study
#7
Chikako Oyabu, Emi Ushigome, Shinobu Matsumoto, Toru Tanaka, Goji Hasegawa, Naoto Nakamura, Masayoshi Ohnishi, Sei Tsunoda, Hidetaka Ushigome, Isao Yokota, Muhei Tanaka, Mai Asano, Masahiro Yamazaki, Michiaki Fukui
OBJECTIVE: Maximum home systolic blood pressure has been shown to predict target organ damage. We aimed to clarify the association between maximum home systolic blood pressure and urine albumin to creatinine ratio, an indicator of early-phase diabetic nephropathy in patients with type 2 diabetes. METHODS: In 1040 patients, we assessed the relationship of mean or maximum home systolic blood pressure and urine albumin to creatinine ratio, and compared the area under the receiver operating characteristic curve of mean or maximum home systolic blood pressure for diabetic nephropathy (urine albumin to creatinine ratio ⩾30 mg/g Cr)...
August 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28783954/evidence-of-changes-in-alpha-1-at1-receptor-function-generated-by-diet-induced-obesity
#8
Esther Juarez, Cecilia Tufiño, Enrique Querejeta, Ismael Bracho-Valdes, Rosa A Bobadilla-Lugo
To study whether hypercaloric diet-induced obesity deteriorates vascular contractility of rat aorta through functional changes in α1 adrenergic and/or AT1 Angiotensin II receptors. Angiotensin II- or phenylephrine-induced contraction was tested on isolated aorta rings with and without endothelium from female Wistar rats fed for 7 weeks with hypercaloric diet or standard diet. Vascular expression of Angiotensin II Receptor type 1 (AT1R), Angiotensin II Receptor type 2 (AT2R), Cyclooxygenase-1 (COX-1), Cyclooxygenase-2 (COX-2), inducible Nitric Oxide Synthase (iNOS) and endothelial Nitric Oxide Synthase (eNOS), as well as blood pressure, glucose, insulin and angiotensin II blood levels were measured...
August 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28777011/hsa-circrna11783-2-in-peripheral-blood-is-correlated-with-coronary-artery-disease-and-type-2-diabetes-mellitus
#9
Xuejie Li, Zhenzhou Zhao, Dongdong Jian, Wentao Li, Haiyu Tang, Muwei Li
OBJECTIVE: The purpose of this study was to identify the expression characteristics of circular RNAs in the peripheral blood of coronary artery disease patients and type 2 diabetes mellitus patients. METHODS: Circular RNA in the peripheral blood from 6 control individuals, 6 coronary artery disease patients, 6 type 2 diabetes mellitus patients and 6 coronary artery disease combined with type 2 diabetes mellitus patients was collected for microarray analysis, and a further independent cohort consisting of 20 normal individuals, 20 type 2 diabetes mellitus subjects and 20 coronary artery disease subjects was used to verify the expression of five circular RNAs chosen for further analysis...
August 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28777009/importance-of-mitochondrial-calcium-uniporter-in-high-glucose-induced-endothelial-cell-dysfunction
#10
Wei Chen, Jie Yang, Shuhua Chen, Hong Xiang, Hengdao Liu, Dan Lin, Shaoli Zhao, Hui Peng, Pan Chen, Alex F Chen, Hongwei Lu
OBJECTIVE: Mitochondrial Ca(2+) overload is implicated in hyperglycaemia-induced endothelial cell dysfunction, but the key molecular events responsible remain unclear. We examined the involvement of mitochondrial calcium uniporter, which mediates mitochondrial Ca(2+) uptake, in endothelial cell dysfunction resulting from high-glucose treatment. METHODS: Human umbilical vein endothelial cells were exposed to various glucose concentrations and to high glucose (30 mM) following mitochondrial calcium uniporter inhibition or activation with ruthenium red and spermine, respectively...
August 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28718318/high-glucose-induced-endothelial-progenitor-cell-dysfunction
#11
Hongyan Kang, Xuejiao Ma, Jiajia Liu, Yubo Fan, Xiaoyan Deng
Vascular complications contribute significantly to morbidity and mortality of diabetes mellitus. The primary cause of vascular complications in diabetes mellitus is hyperglycaemia, associated with endothelial dysfunction and impaired neovascularization. Circulating endothelial progenitor cells was shown to play important roles in vascular repair and promoting neovascularization. In this review, we will demonstrate the individual effect of high glucose on endothelial progenitor cells. Endothelial progenitor cells isolated from healthy subjects exposed to high glucose conditions or endothelial progenitor cells isolated from diabetic patients exhibit reduced number of endothelial cell colony forming units, impaired abilities of differentiation, proliferation, adhesion and migration, tubulization, secretion, mobilization and homing, whereas enhanced senescence...
July 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28901809/glycaemic-studies-food-for-thought-and-fuel-for-debate
#12
R A Ajjan
No abstract text is available yet for this article.
September 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28622745/sex-differences-in-vascular-stiffness-and-relationship-to-the-risk-of-renal-functional-decline-in-patients-with-type-2-diabetes
#13
Kenneth A Earle, Lauren Ng, Sarah White, Karima Zitouni
BACKGROUND: Recent data suggest that the higher risk of end-stage renal disease in women compared with men is associated with waist circumference. We investigated whether vascular stiffness which is linked to visceral fat accumulation is gender specific and associated with a loss in renal function. METHODS: We studied 166 patients with type 2 diabetes at high risk of progressive renal disease. A vascular stiffness index was derived from measurement of the peripheral arterial pulse waveform using infrared finger photoplethysmography...
July 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28622744/effects-of-sedentary-occupations-on-type-2-diabetes-and-hypertension-in-different-ethnic-groups-in-north-west-china
#14
Ying Gao, Xiang Xie, Shu-Xia Wang, Hui Li, Han-Zhou Tang, Jing Zhang, Hua Yao
This study investigated the effects of sedentary occupations on type 2 diabetes and hypertension in different ethnic groups in North West China. All subjects were civil servants who received health examinations in the First Affiliated Hospital of Xinjiang Medical University from October 2010 to March 2014. A total of 46,612 participants (39,120 Han, 4148 Uygur, 2098 Hui, 877 Kazak and 369 other ethnicities) completed the examination. Overall, 16.4% of the Han, 14.4% of the Uygur, 15.9% of the Hui, 20.6% of the Kazak and 16...
July 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28622743/endovascular-treatment-for-chronic-lower-extremity-ischaemia-with-sub-acute-deterioration
#15
Liangxi Yuan, Songlin Guo, Jian Dong, Jian Zhou, Qingsheng Lu, Junmin Bao, Zaiping Jing
OBJECTIVES: The purpose of this study is to report the efficacy of endovascular treatment for patients with sub-acute (14-day to 2-month) deterioration of chronic lower extremity ischaemia. MATERIALS AND METHODS: Between June 2013 and May 2015, 26 consecutive patients (22 men, 4 women; mean age, 68.6 years; range, 50-86 years) were treated for sub-acute deterioration of chronic lower extremity ischaemia in our hospital. All patients were treated with catheter-directed thrombolysis initially and then adjunctive percutaneous transluminal angioplasty and/or stenting was performed to correct underlying lesions...
July 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28330385/health-effectiveness-of-community-health-workers-as-a-diabetes-self-management-intervention
#16
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...
July 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28844155/effects-of-aliskiren-on-mortality-cardiovascular-outcomes-and-adverse-events-in-patients-with-diabetes-and-cardiovascular-disease-or-risk-a-systematic-review-and-meta-analysis-of-13-395-patients
#17
Sean L Zheng, Alistair J Roddick, Salma Ayis
BACKGROUND: Aliskiren was shown to increase adverse events in patients with diabetes and concomitant renin-angiotensin blockade. We aim to investigate the efficacy and safety of aliskiren in patients with diabetes and increased cardiovascular risk or established cardiovascular disease. METHODS: MEDLINE and Embase were searched for prospective studies comparing addition of aliskiren to standard medical therapy in patients with diabetes and cardiovascular disease, or ⩾1 additional cardiovascular risk factor (hypertension, abnormal lipid profile, microalbuminuria/proteinuria, chronic kidney disease)...
June 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28631505/methylglyoxal-derived-hydroimidazolone-1-evokes-inflammatory-reactions-in-endothelial-cells-via-an-interaction-with-receptor-for-advanced-glycation-end-products
#18
Yuji Ishibashi, Takanori Matsui, Nobutaka Nakamura, Ami Sotokawauchi, Yuichiro Higashimoto, Sho-Ichi Yamagishi
OBJECTIVE: Glyceraldehyde-derived advanced glycation end products contribute to vascular inflammation in diabetes. However, what advanced glycation end product structure could evoke inflammatory reactions remains unknown. We examined whether and how methylglyoxal-derived hydroimidazolone 1, one of the advanced glycation end products formed from glyceraldehyde, elicits inflammatory reactions in human umbilical vein endothelial cells. MATERIALS AND METHODS: Glyceraldehyde-advanced glycation end products-aptamer was prepared using a systemic evolution of ligands by exponential enrichment...
June 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28631500/pancreatic-%C3%AE-cell-survival-and-proliferation-are-promoted-by-protein-kinase-g-type-i%C3%AE-and-downstream-regulation-of-akt-foxo1
#19
Janica C Wong, Van Vo, Priyatham Gorjala, Ronald R Fiscus
Early studies showed nitric oxide as a pro-inflammatory-cytokine-induced toxin involved in pancreatic β-cell destruction during pathogenesis of type-1 diabetes. However, nitric oxide has both cytotoxic and cytoprotective effects on mammalian cells, depending on concentration and micro-environmental surroundings. Our studies have shown that low/physiological-level nitric oxide selectively activates protein kinase G type Iα isoform, promoting cytoprotective/pro-cell-survival effects in many cell types. In bone marrow-derived stromal/mesenchymal stem cells, protein kinase G type Iα mediates autocrine effects of nitric oxide and atrial natriuretic peptide, promoting DNA-synthesis/proliferation and cell survival...
June 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28610436/obstructive-sleep-apnoea-in-diabetes-does-it-matter
#20
Abd A Tahrani
Obstructive sleep apnoea (OSA) is very common in patients with Type 2 diabetes (T2D), which is not surprising considering that obesity is a common risk factor for both conditions. In general population studies, OSA has been shown to be associated with several comorbidities including increased risk of road traffic accidents, T2D, hypertension and lack of nocturnal dipping of blood pressure, hyperlipidaemia, increased inflammation, increased risk of cardiovascular disease and mortality, increased risk of atrial fibrillation, worse quality of life, and erectile dysfunction...
June 1, 2017: Diabetes & Vascular Disease Research
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