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https://www.readbyqxmd.com/read/28088113/modulatory-effect-of-vanillic-acid-on-antioxidant-status-in-high-fat-diet-induced-changes-in-diabetic-hypertensive-rats
#1
Kolanji Vinothiya, Natarajan Ashokkumar
The worldwide incidence of diabetes has increased dramatically along with widespread lifestyle and dietary changes. Diets high in fat are strongly associated with the development of obesity and can induce insulin resistance in humans and animals. It is clear that obesity constitutes a risk factor for contributing to the development of type 2 diabetes. In the present study, we investigated the therapeutic potential action of vanillic acid on diabetes associated complications using a rat model. Rats were made diabetic hypertensive by high fat diet (HFD) for 20 weeks and were treated with vanillic acid (50mg/kg bw) for last 8 weeks...
January 11, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28086952/glucagon-like-peptide-1-analogues-an-efficient-therapeutic-option-for-the-severe-insulin-resistance-of-lipodystrophic-syndromes-two-case-reports
#2
Joana Oliveira, Eva Lau, Davide Carvalho, Paula Freitas
BACKGROUND: Lipodystrophic syndromes are uncommon medical conditions which are normally associated with metabolic disorders, such as diabetes mellitus, dyslipidemia, and fatty liver disease. These complications are generally difficult to treat, particularly diabetes, due to severe insulin resistance. We present two case reports of successful treatment of diabetes with glucagon-like peptide-1 analogues in patients with clinical features of lipodystrophic syndromes. CASE PRESENTATION: Two white women aged 49 and 60 years manifested marked central body fat deposition with severe lipoatrophy of their limbs and buttocks and pronounced acanthosis nigricans...
January 13, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28086863/exercise-mediated-protection-of-diabetic-heart-through-modulation-of-microrna-mediated-molecular-pathways
#3
REVIEW
Jason Kar Sheng Lew, James T Pearson, Daryl O Schwenke, Rajesh Katare
Hyperglycaemia, hypertension, dyslipidemia and insulin resistance collectively impact on the myocardium of people with diabetes, triggering molecular, structural and myocardial abnormalities. These have been suggested to aggravate oxidative stress, systemic inflammation, myocardial lipotoxicity and impaired myocardial substrate utilization. As a consequence, this leads to the development of a spectrum of cardiovascular diseases, which may include but not limited to coronary endothelial dysfunction, and left ventricular remodelling and dysfunction...
January 13, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28079050/bipolar-radiofrequency-renal-denervation-with-the-vessix-catheter-in-patients-with-resistant-hypertension-2-year-results-from-the-reduce-htn-trial
#4
H Sievert, J Schofer, J Ormiston, U C Hoppe, I T Meredith, D L Walters, M Azizi, J Diaz-Cartelle
No abstract text is available yet for this article.
January 12, 2017: Journal of Human Hypertension
https://www.readbyqxmd.com/read/28078909/apparent-treatment-resistant-hypertension-patient-physician-relationship-and-ethical-issues
#5
Julian E Mariampillai, Per Anders Eskås, Sondre Heimark, Anne Cecilie K Larstorp, Fadl Elmula M Fadl Elmula, Aud Høieggen, Per Nortvedt
BACKGROUND: Poor drug adherence is a major cause of apparent treatment-resistant hypertension. As a consequence, several methods have been developed and attempted implemented in clinical practice to reveal non-adherence and to monitor drug adherence. There are, however, several hitherto unresolved ethical aspects regarding potential methods for drug monitoring in these patients. RESULTS: The most striking challenge is the balance between patient autonomy and the physician's desire for the patient to adhere to the prescribed therapy...
January 12, 2017: Blood Pressure
https://www.readbyqxmd.com/read/28078487/the-role-of-the-nox4-derived-ros-mediated-rhoa-rho-kinase-pathway-in-rat-hypertension-induced-by-chronic-intermittent-hypoxia
#6
Wen Lu, Jing Kang, Ke Hu, Si Tang, Xiufang Zhou, Lifang Xu, Yuanyuan Li, Shuhui Yu
BACKGROUND: Obstructive sleep apnea syndrome, which is a risk factor for resistant hypertension, is characterized by chronic intermittent hypoxia (CIH) and is associated with many cardiovascular diseases. CIH elicits systemic oxidative stress and sympathetic hyperactivity, which lead to hypertension. Rho kinases (ROCKs) are considered to be major effectors of the small GTPase RhoA and have been extensively studied in the cardiovascular field. Upregulation of the RhoA/ROCK signaling cascade is observed in various cardiovascular disorders, such as atherosclerosis, pulmonary hypertension, and stroke...
January 11, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28077863/what-have-human-experimental-overfeeding-studies-taught-us-about-adipose-tissue-expansion-and-susceptibility-to-obesity-and-metabolic-complications
#7
REVIEW
D J Cuthbertson, T Steele, J P Wilding, J C G Halford, J A Harrold, M Hamer, F Karpe
Overfeeding experiments, in which we impose short-term positive energy balance, help unravel the cellular, physiological and behavioural adaptations to nutrient excess. These studies mimic longer-term mismatched energy expenditure and intake. There is considerable inter-individual heterogeneity in the magnitude of weight gain when exposed to similar relative caloric excess reflecting variable activation of compensatory adaptive mechanisms. Significantly, given similar relative weight gain, individuals may be protected from/predisposed to metabolic complications (insulin resistance, dyslipidaemia, hypertension), non-alcoholic fatty liver disease and cardiovascular disease...
January 12, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28074635/physician-step-prescription-and-monitoring-to-improve-arterial-health-smarter-a-randomized-controlled-trial-in-type-2-diabetes-and-hypertension
#8
Kaberi Dasgupta, Ellen Rosenberg, Lawrence Joseph, Alexandra B Cooke, Luc Trudeau, Simon L Bacon, Deborah Chan, Mark Sherman, Rémi Rabasa-Lhoret, Stella S Daskalopoulou
AIMS: There are few strategies proven to enhance physical activity and cardiometabolic profiles in type 2 diabetes and hypertension. We examined the effects of physician-delivered step count prescriptions and monitoring. METHODS: Participants randomized to the active arm were provided with pedometers and recorded step counts. Over a 1-year period, their physicians reviewed their records and provided a written step count prescription at each clinic visit. The overall goal was a 3,000 step/day increase over 1-year (individualized rate of increase)...
January 11, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28073130/testosterone-plasma-concentration-is-associated-with-insulin-resistance-in-male-hypertensive-patients
#9
Gian Piero Carnevale Schianca, Gian Paolo Fra, Fabio Brustia, Mattia Bellan, Alice Pirovano, Alessandro Gualerzi, Michela Gentile, Antonello Gibbin, Mirta Menegatti, Ettore Bartoli, Mario Pirisi
Background: Low testosterone levels are a common finding among men with Type 2 Diabetes Mellitus (T2DM) and are inversely related to insulin resistance. Whether this relationship holds true in patients with hypertension, but normal glucose tolerance or prediabetes, is unclear. Methods: We recruited 87 male outpatients with essential arterial hypertension, aged 35-70 years. Anthropometric data were collected, an Oral Glucose Tolerance Test (OGTT) performed, and the homeostasis model assessment of insulin resistance (HOMA-IR) score calculated...
January 10, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28072480/free-fatty-acids-induce-autophagy-and-lox-1-upregulation-in-cultured-aortic-vascular-smooth-muscle-cells
#10
Cheng-I Cheng, Yueh-Hong Lee, Po-Han Chen, Yu-Chun Lin, Ming-Huei Chou, Ying-Hsien Kao
Elevation of free fatty acids (FFAs) is known to affect microvascular function and contribute to obesity-associated insulin resistance, hypertension, and microangiopathy. Proliferative and synthetic vascular smooth muscle cells (VSMCs) increase intimal thickness and destabilize atheromatous plaques. This study aimed to investigate whether saturated palmitic acid (PA) and monounsaturated oleic acid (OA) modulate autophagy activity, cell proliferation, and vascular tissue remodeling in an aortic VSMC cell line...
November 5, 2016: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28071980/metabolic-syndrome-hypertension-and-nervous-system-injury-epidemiological-correlates
#11
Giovanna Ricci, Isabel Pirillo, Daniele Tomassoni, Ascanio Sirignano, Iolanda Grappasonni
: Metabolic syndrome (MetS) is a common and complex disorder combining hypertension, obesity, dyslipidemia, and insulin resistance. MetS represents a risk factor for changes in cognitive functions in older age, and several studies have suggested that MetS may be linked to dementia. This article reviews the main evidences about the relationship between MetS and neurodegenerative disease. Starting from an epidemiological point of view, the article analyzes medico-social aspects related to MetS, considering the reduction of work capacity and the condition of disability that it involves...
January 10, 2017: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/28071761/plasma-heme-induced-renal-toxicity-is-related-to-a-capillary-rarefaction
#12
Nahid Tabibzadeh, Céline Estournet, Sandrine Placier, Joëlle Perez, Héloïse Bilbault, Alexis Girshovich, Sophie Vandermeersch, Chantal Jouanneau, Emmanuel Letavernier, Nadjib Hammoudi, François Lionnet, Jean-Philippe Haymann
Severe hypertension can lead to malignant hypertension (MH) with renal thrombotic microangiopathy and hemolysis. The role of plasma heme release in this setting is unknown. We aimed at evaluating the effect of a mild plasma heme increase by hemin administration in angiotensin II (AngII)-mediated hypertensive rats. Prevalence of MH and blood pressure values were similar in AngII and AngII + hemin groups. MH rats displayed a decreased renal blood flow (RBF), increased renal vascular resistances (RVR), and increased aorta and interlobar arteries remodeling with a severe renal microcirculation assessed by peritubular capillaries (PTC) rarefaction...
January 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28070997/involvement-of-endothelial-progenitor-cells-in-the-formation-of-plexiform-lesions-in-broiler-chickens-possible-role-of-local-immune-inflammatory-response
#13
Xun Tan, Fan-Guo Juan, Ali Q Shah
Plexiform lesions (PLs), which are often accompanied by perivascular infiltrates of mononuclear cells, represent the hallmark lesions of pulmonary arteries in humans suffering from severe pulmonary arterial hypertension (PAH). Endothelial progenitor cells (EPCs) have been recently implicated in the formation of PLs in human patients. PLs rarely develop in rodent animal models of PAH but can develop spontaneously in broiler chickens. The aim of the present study was to confirm the presence of EPCs in the PLs in broilers...
2017: Journal of Zhejiang University. Science. B
https://www.readbyqxmd.com/read/28068950/corneal-hysteresis-in-patients-with-glaucoma-like-optic-discs-ocular-hypertension-and-glaucoma
#14
Melissa L Murphy, Olya Pokrovskaya, Marie Galligan, Colm O'Brien
BACKGROUND: To compare corneal hysteresis (CH) measurements between patients with glaucoma, ocular hypertension (OHT) and glaucoma-like optic discs (GLD)- defined as a cup to disc ratio greater than or equal to 0.6 with normal intraocular pressure (IOP) and visual fields. The secondary aim was to investigate whether corneal resistance factor (CRF) and central corneal thickness (CCT) differ between patient groups. METHODS: In this cross sectional study a total of 123 patients (one eye each) were recruited from a glaucoma outpatient department to undergo ocular response analyser (ORA) testing and ultrasound pachymetry as well as clinical examination...
January 10, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28068653/exosomes-derived-from-human-pulmonary-artery-endothelial-cells-shift-the-balance-between-proliferation-and-apoptosis-of-smooth-muscle-cells
#15
Lin Zhao, Hui Luo, Xiaohui Li, Tangzhiming Li, Jingni He, Qiangqiang Qi, Yuwei Liu, Zaixin Yu
BACKGROUND: The overproliferation of pulmonary vascular cells is noted in pulmonary hypertension. The role of exosomes from pulmonary artery endothelial cells (PAEC) in the proliferation and apoptosis of pulmonary artery smooth muscle cells (PASMC) remains unclear. METHODS: Exosomes were isolated and purified from the culture medium of PAEC using a commercial kit. Lipopolysaccharide (LPS), hypoxia, and hydrogen peroxide were utilized to induce PAEC injury. Coculture of PAEC and PASMC was conducted using Transwell plates, and GW4869 was applied to inhibit exosome release...
January 10, 2017: Cardiology
https://www.readbyqxmd.com/read/28068412/a-comparison-of-gene-expression-profiles-between-glucocorticoid-responder-and-non-responder-bovine-trabecular-meshwork-cells-using-rna-sequencing
#16
Jaclyn Y Bermudez, Hannah C Webber, Bartley Brown, Terry A Braun, Abbot F Clark, Weiming Mao
The most common ocular side effect of glucocorticoid (GC) therapy is GC-induced ocular hypertension (OHT) and GC-induced glaucoma (GIG). GC-induced OHT occurs in about 40% of the general population, while the other 60% are resistant. This study aims to determine the genes and pathways involved in differential GC responsiveness in the trabecular meshwork (TM). Using paired bovine eyes, one eye was perfusion-cultured with 100nM dexamethasone (DEX), while the fellow eye was used to establish a bovine TM (BTM) cell strain...
2017: PloS One
https://www.readbyqxmd.com/read/28068281/pathophysiological-role-of-adiponectin-leptin-and-asymmetric-dimethylarginine-in-the-process-of-atherosclerosis
#17
Daniela Iv Koleva, Maria M Orbetzova, Julia G Nikolova, Tanya I Deneva
Adipose tissue is recognized as a rich source of proinflammatory mediators that may directly contribute to vascular injury, insulin resistance, and atherogenesis. Many studies have shown that adiponectin has antiatherogenic and anti-inflammatory properties. Adiponectin acts not only as a factor increasing insulin sensitivity, and the protective effect may result from its ability to suppress production of proinflammatory cytokines. It negatively regulates the expression of TNF-alpha and C-reactive protein (CRP) in adipose tissue; reduces expression of vascular and intracellular adhesion molecules (VCAM-1, ICAM-1), E-selectin, interleukin-8 (IL-8)...
December 1, 2016: Folia Medica
https://www.readbyqxmd.com/read/28065708/an-exploratory-propensity-score-matched-comparison-of-second-generation-and-first-generation-baroreflex-activation-therapy-systems
#18
Rolf Wachter, Marcel Halbach, George L Bakris, John D Bisognano, Hermann Haller, Joachim Beige, Abraham A Kroon, Mitra K Nadim, Eric G Lovett, Jill E Schafer, Peter W de Leeuw
Baroreflex activation therapy (BAT) is a device-based therapy for patients with treatment-resistant hypertension. In a randomized, controlled trial, the first-generation system significantly reduced blood pressure (BP) versus sham. Although an open-label validation study of the second-generation system demonstrated similar BP reductions, controlled data are not presently available. Therefore, this investigation compares results of first- and second-generation BAT systems. Two cohorts of first-generation BAT system patients were generated with propensity matching to compare against the validation group of 30 second-generation subjects...
December 16, 2016: Journal of the American Society of Hypertension: JASH
https://www.readbyqxmd.com/read/28065166/the-predictive-capabilities-of-a-novel-cardiovascular-magnetic-resonance-derived-marker-of-cardiopulmonary-reserve-on-established-prognostic-surrogate-markers-in-patients-with-pulmonary-vascular-disease-results-of-a-longitudinal-pilot-study
#19
Timothy J Baillie, Samuel Sidharta, Peter M Steele, Stephen G Worthley, Scott Willoughby, Karen Teo, Prashanthan Sanders, Stephen J Nicholls, Matthew I Worthley
BACKGROUND: No unified method exists to effectively predict and monitor progression of pulmonary arterial hypertension (PAH). We assessed the longitudinal relationship between a novel marker of cardiopulmonary reserve and established prognostic surrogate markers in patients with pulmonary vascular disease. METHODS AND RESULTS: Twenty participants with confirmed (n = 14) or at high risk (n = 6) for PAH underwent cardiovascular magnetic resonance (CMR) at baseline and after ~6 months of guideline-appropriate management...
January 9, 2017: Journal of Cardiovascular Magnetic Resonance
https://www.readbyqxmd.com/read/28064163/predicting-albuminuria-response-to-spironolactone-treatment-with-urinary-proteomics-in-patients-with-type-2-diabetes-and-hypertension
#20
Morten Lindhardt, Frederik Persson, Christina Oxlund, Ib A Jacobsen, Petra Zürbig, Harald Mischak, Peter Rossing, Hiddo J L Heerspink
BACKGROUND: The mineralocorticoid receptor antagonist spironolactone significantly reduces albuminuria in patients with diabetes. Prior studies have shown large between-patient variability in albuminuria treatment response. We previously developed and validated a urinary proteomic classifier that predicts onset and progression of chronic kidney disease. Here, we tested whether the proteomic classifier based on 273 urinary peptides (CKD273) predicts albuminuria response to spironolactone treatment...
January 7, 2017: Nephrology, Dialysis, Transplantation
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