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ET-1 AND blood pressure

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https://www.readbyqxmd.com/read/28643875/prediction-of-severe-pre-eclampsia-by-a-combination-of-sflt-1-ct-pro-et1-and-blood-pressure-exploratory-study
#1
Anne Lind Malte, Niels Uldbjerg, David Wright, Niels Tørring
OBJECTIVES: To evaluate the performance of a combination of clinical-, angiogenic- and vasoactive biomarkers to predict the development of severe preeclampsia (PE) and HELLP syndrome in the third trimester METHODS: We included 221 women with suspected- , light- , moderate - or severe PE/HELLP (mean gestational age 35(+6) weeks) attending the obstetrical outpatient clinic, and 99 with normal pregnancies. RESULTS: In a group of patients presenting with mild to moderate symptoms of preeclampsia, a combination of C-terminal Pro Endothelin 1 (CT-Pro-ET1), sFlt-1 and systolic blood pressure reached an Area under Curve (AUC) of 0...
June 23, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28608969/effect-of-iloprost-on-biomarkers-in-patients-with-congenital-heart-disease-pulmonary-arterial-hypertension
#2
Xiao-Ye Li, Yu Zheng, Yuliang Long, Xiaochun Zhang, Lei Zhang, Dan Tian, Daxin Zhou, Qian-Zhou Lv
Some biomarkers play important roles in the endothelial dysfunction of patients with pulmonary arterial hypertension (PAH), including nitric oxide (NO), endothelin-1 (ET-1), asymmetric dimethylarginine (ADMA), galectin-3 (Gal-3), B-type natriuretic peptide (BNP), and uric acid (UA). However, studies on these biomarkers in pulmonary artery blood in congenital heart disease-PAH (CHD-PAH) and the effect of iloprost on the regulation of biomarkers are lacking. This study investigated potential CHD-PAH biomarkers and their association with the severity of disease...
June 13, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/28603017/effects-of-diabetes-mellitus-on-biomechanical-properties-of-the-rabbit-cornea
#3
FangJun Bao, ManLi Deng, XiaoBo Zheng, LinNa Li, YiPing Zhao, Si Cao, AYong Yu, QinMei Wang, JinHai Huang, Ahmed Elsheikh
To investigate the effects of diabetes on the biomechanical behavior of cornea in alloxan-induced diabetic rabbits. Diabetes mellitus (DM) was induced in 20 rabbits using alloxan, while another 20 age- and weight-matched non-diabetic rabbits served as controls. Eyes were enucleated after 8 weeks of inducing diabetes and the whole cornea was removed with a 3 mm wide scleral ring and tested under inflation conditions with an internal pressure range of 2.0-30.0 mmHg to determine their stress-strain behavior using an inverse analysis process...
June 8, 2017: Experimental Eye Research
https://www.readbyqxmd.com/read/28590143/combined-exercise-training-reduces-blood-pressure-arterial-stiffness-and-insulin-resistance-in-obese-prehypertensive-adolescent-girls
#4
Won-Mok Son, Ki-Dong Sung, Leena P Bharath, Kong-Jib Choi, Song-Young Park
Childhood obesity is strongly linked to pathological processes for cardiovascular diseases in later adulthood. Obese adolescent girls with high blood pressure (BP) are reported to have increased arterial stiffness, which is associated with the development of hypertension and atherosclerosis. The present study sought to examine the impact of combined resistance and aerobic exercise (CRAE) training on BP, brachial-ankle pulse wave velocity (baPWV), insulin resistance (IR), and body composition in obese prehypertensive girls...
June 7, 2017: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/28579512/homocysteine-up-regulates-endothelin-type-a-receptor-in-vascular-smooth-muscle-cells-through-sirt1-erk1-2-signaling-pathway
#5
Yulong Chen, Huanhuan Liu, Xinhong Wang, Hongmei Zhang, Enqi Liu, Xingli Su
Sirtuin 1 (Sirt1) is a longevity gene that has protective effects in cardiovascular diseases (CVDs). The endothelin type A (ETA) receptor is involved in pathogenesis of CVDs. The extracellular signal related kinases 1 and 2 (ERK1/2) signaling pathway is involved in regulation of the ETA receptor induced by some CVD risk factors in vascular smooth muscle cells (VSMCs). Hyperhomocysteinemia (HHcy) is an independent risk factor for CVDs. The present study was designed to investigate the hypothesis that homocysteine up-regulates ETA receptor through the Sirt1/ERK1/2 signaling pathway...
June 1, 2017: Microvascular Research
https://www.readbyqxmd.com/read/28575410/enhanced-endothelin-1-rho-kinase-signaling-and-coronary-microvascular-dysfunction-in-hypertensive-myocardial-hypertrophy
#6
Shu-Huai Tsai, Guangrong Lu, Xin Xu, Yi Ren, Travis W Hein, Lih Kuo
Aims: Hypertensive cardiac hypertrophy is associated with reduced coronary flow reserve, but its impact on coronary flow regulation and vasomotor function remains incompletely understood and requires further investigation. Methods and results: Left ventricular hypertrophy was induced in mice by transverse aortic coarctation (TAC) for 4 weeks. The left coronary artery blood velocity (LCABV) and myocardium lactate level were measured following the metabolic activation by isoproterenol...
May 29, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28560282/clinical-and-biochemical-data-of-endothelial-function-in-women-consuming-combined-contraceptives
#7
Irina I Lobysheva, Sandrine van Eeckhoudt, Flavia Dei Zotti, Ahmad Rifahi, Lucie Pothen, Christophe Beauloye, Jean-Luc Balligand
The data presented in this article are associated with the research article entitled "Heme-Nitrosylated Hemoglobin and Oxidative Stress in Women Consuming Combined Contraceptives. Clinical Application of the EPR Spectroscopy" (Lobysheva et al., 2017 [1]), and describe the characteristics of redox status in blood, as well as biochemical and clinical parameters of young female subjects consuming (or not) contraceptive pills (CP). Erythrocyte concentration of reduced thiols reflecting erythrocyte redox capacity was measured before and after sample deproteinization by electron paramagnetic resonance spectroscopy (EPR) using a nitroxide biradical spin probe specifically interacting with reduced thiols; additional data were obtained by a colorimetric method using Ellman׳s reagents in the same samples...
August 2017: Data in Brief
https://www.readbyqxmd.com/read/28531898/plasma-et-1-concentrations-are-elevated-in-patients-with-hypertension-meta-analysis-of-clinical-studies
#8
Mei Xu, Yong-Ping Lu, Ahmed Abdallah Hasan, Berthold Hocher
BACKGROUND/AIMS: A recent study revealed that global overexpression of ET-1 causes a slight reduction in systemic blood pressure. Moreover, heterozygous ET-1 knockout mice are hypertensive. The role of ET-1 in human hypertension was so far not addressed by a strict meta-analysis of published human clinical studies. METHODS: We included studies published between January 1, 1990 and February 28, 2017. We included case control studies analyzing untreated essential hypertension or hypertensive patients where antihypertensive medication was discontinued for at least two weeks...
2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/28522756/influence-of-sex-menstrual-cycle-and-oral-contraceptives-on-cerebrovascular-resistance-and-cardiorespiratory-function-during-valsalva-or-standing
#9
Syed Abidi, Misha Nili, Stephania Serna, Simon Kim, Christopher Hazlett, Heather Edgell
Women experience orthostatic intolerance more than men, and experience faintness more in the early follicular (i.e. low hormone (LH)) compared to the luteal (i.e. high hormone (HH)) phase of the menstrual cycle. Men (n=13, age: 25.8±1.8) and women in the LH (day 2-5; placebo) and HH) (day 18-24; high dose) phases of the menstrual cycle with (OC; n=14, age: 22.0±0.8) or without oral contraceptives (NOC; n=12, age: 21.8±0.5) underwent the Valsalva maneuver and a supine-sit-stand protocol. Blood pressure, normalized stroke volume (SVi), cardiac output index (Qi), heart rate (HR), end-tidal carbon dioxide (ET-CO2), and middle cerebral artery blood velocity (MCA) were measured...
May 18, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28492402/can-the-pediatric-logistic-organ-dysfunction-2-score-on-day-1-be-used-in-clinical-criteria-for-sepsis-in-children
#10
Francis Leclerc, Alain Duhamel, Valérie Deken, Bruno Grandbastien, Stéphane Leteurtre
A recent task force has proposed the use of Sequential Organ Failure Assessment in clinical criteria for sepsis in adults. We sought to evaluate the predictive validity for PICU mortality of the Pediatric Logistic Organ Dysfunction-2 and of the "quick" Pediatric Logistic Organ Dysfunction-2 scores on day 1 in children with suspected infection. DESIGN: Secondary analysis of the database used for the development and validation of the Pediatric Logistic Organ Dysfunction-2. SETTINGS: Nine university-affiliated PICUs in Europe...
May 10, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28441692/physiological-role-of-endothelin-1-in-flow-mediated-vasodilatation-in-humans-and-impact-of-cardiovascular-risk-factors
#11
Jérémy Bellien, Michèle Iacob, Christelle Monteil, Isabelle Rémy-Jouet, Clothilde Roche, Thomas Duflot, Cathy Vendeville, Laurence Gutierrez, Christian Thuillez, Vincent Richard, Robinson Joannidès
OBJECTIVES: The current study addressed the hypothesis that the local decrease in endothelin-1 (ET-1) bioavailability during sustained flow increases contributes to endothelium-dependent, flow-mediated dilatation (FMD) of conduit arteries and is altered in presence of cardiovascular risk factors. METHODS AND RESULTS: In nine young healthy individuals, the decrease in local ET-1 plasma levels and radial artery FMD in response to hand skin heating (from 34 to 44 °C) was not affected by endothelin type A (ETA) receptor blockade, achieved using the brachial infusion of BQ-123 (100 nmol/min per l of forearm), as compared with physiological saline (0...
June 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28413991/potential-role-of-endothelin-in-early-vascular-aging
#12
Michelle Trindade, Wille Oigman, Mario Fritsch Neves
Early vascular aging is a process associated with gradual alterations in the vessels, regarding to their structure and function, taking a more rapid course than normal biological aging in the arteries. In the presence of cardiovascular disease, these age-associated alterations are accelerated, contributing for the appearance or the progression of cardiovascular disease, such as high blood pressure, dyslipidemia, smoking and diabetes. Endothelin-1 (ET-1) is the most abundant and important endothelin produced by vascular cells...
April 14, 2017: Current Hypertension Reviews
https://www.readbyqxmd.com/read/28401480/target-mediated-drug-disposition-pharmacokinetic-pharmacodynamic-model-of-bosentan-and-endothelin-1
#13
Anke-Katrin Volz, Andreas Krause, Walter Emil Haefeli, Jasper Dingemanse, Thorsten Lehr
BACKGROUND AND OBJECTIVES: Bosentan is a competitive antagonist on endothelin receptor A and B (ETA and ETB), displacing the endogenous binding partner endothelin-1 (ET-1) from its binding sites. After administration of escalating single doses of 10-750 mg as an intravenous (i.v.) infusion, bosentan showed dose-dependent pharmacokinetics (PK). The aim of this analysis was to develop a PK model of bosentan after i.v. administration including competitive antagonism with ET-1 and to analyze its influence on blood pressure and heart rate with a combined pharmacokinetic/pharmacodynamic (PK/PD) model...
April 11, 2017: Clinical Pharmacokinetics
https://www.readbyqxmd.com/read/28384908/cardiac-effect-of-interstitial-lung-disease-correlated-with-spirometry-and-six-minute-walk-test
#14
Mitali Bharat Agrawal, Nilkanth Tukaram Awad
INTRODUCTION: The cardiac effect of different pulmonary functions, six minute walk distance, arterial blood gases and saturation in Interstitial Lung Disease (ILD) is not much known. So this study, a tertiary care hospital experience that entails to know the various factors in Pulmonary Hypertension (PH) mentioned above causing PH and their correlation with PH. AIM: To study the correlation of PH in patients with ILD with spirometry and six minute walk test (6MWT)...
February 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28300048/cardiovascular-responses-to-millet-pounding-activity-among-women-in-a-rural-community-in-northeastern-nigeria
#15
Adetoyeje Y Oyeyemi, Fati Jajimaji, Adewale L Oyeyemi, Abdul-Hameed A Jabbo
BACKGROUND: Pounding food items in a wooden mortal is a common home chore in many communities in African and Asian countries. However, no empirical data exist on energy expenditure during this activity, and whether the activity can be considered a light, moderate, or vigorous intensity physical activity is unknown. PURPOSE: This study was aimed at gaining insights into energy expenditure during millet pounding through cardiovascular responses to millet pounding activity, and to explore possible differences in response between women who pound millet as their occupation (habitual millet pounders) and those who pound millet only for their own home cooking but not as a job (nonhabitual pounders)...
January 2017: Annals of African Medicine
https://www.readbyqxmd.com/read/28300044/impact-of-operator-hearing-threshold-on-manual-blood-pressure-measurement
#16
COMPARATIVE STUDY
Abubakar Danjuma Salisu, Aminu Bakari, Hamisu Abdullahi
INTRODUCTION: Une déficience auditive non détectée chez le personnel de santé pourrait affecter leur capacité à obtenir une pression artérielle (PA) précise avec des conséquences négatives sur les soins aux patients. Le but de cet article était de déterminer l'impact de l'audition de l'opérateur sur la mesure manuelle de la pression artérielle. Méthodologie: Une étude transversale portant sur 25 patients et 60 personnel de santé composé de 25 médecins (groupe 1), 25 infirmières (groupe 2) et 10 10 personnes qualifiées sélectionnées ayant une audition normale formé (groupe 3)...
January 2017: Annals of African Medicine
https://www.readbyqxmd.com/read/28298655/dual-nep-ece-inhibition-improves-endothelial-function-in-mesenteric-resistance-arteries-of-32-week-old-shr
#17
Pieter Lemkens, Leon Ja Spijkers, Merlijn J Meens, Jelly Nelissen, Ben Janssen, Stephan Lm Peters, Paul Mh Schiffers, Jo Gr De Mey
Endothelin 1 (ET-1), a potent vasoconstrictor, pro-mitogenic and pro-inflammatory peptide, may promote development of endothelial dysfunction and arterial remodeling. ET-1 can be formed through cleavage of big-ET-1 by endothelin-converting enzyme (ECE) or neutral endopeptidase (NEP). We investigated whether chronic treatment with the novel dual NEP/ECE inhibitor SOL1 improves functional and structural properties of resistance-sized arteries of 32-week-old male spontaneously hypertensive rats (SHR). SHR received a chronic 4-week treatment with SOL1, losartan or hydralazine...
March 16, 2017: Hypertension Research: Official Journal of the Japanese Society of Hypertension
https://www.readbyqxmd.com/read/28290879/-adipokines-level-in-metabolically-healthy-obese-saint-petersburg-inhabitants-esse-rf
#18
M A Boyarinova, A V Orlov, O P Rotar, A S Alieva, E V Moguchaya, E U Vasileva, V N Soltsev, E I Baranova, A O Konradi
AIM: to elucidate prevalence of phenotypes of metabolically heathy obesity (MHO) among inhabitants of Saint-Petersburg using various criteria and assess dependence levels of adipokines on obesity phenotype. MATERIAL AND METHODS: Within a framework of epidemiologic study ESSE-RF we formed a random sample of 1600 Saint-Petersburg inhabitants stratified according to gender and age. Examination of participants included anthropometry with measurement of waist circumference CRP and estimation of body mass index (BMI), measurement of arterial pressure, determination of fasting blood glucose, insulin (with calculation of index of insulin resistance -IIR), lipid spectrum, C-reactive protein (CRP), adiponectin, leptin...
August 2016: Kardiologiia
https://www.readbyqxmd.com/read/28289478/cerebral-white-matter-hyperintensities-on-mri-and-acceleration-of-epigenetic-aging-the-atherosclerosis-risk-in-communities-study
#19
Abhay Raina, Xiaoping Zhao, Megan L Grove, Jan Bressler, Rebecca F Gottesman, Weihua Guan, James S Pankow, Eric Boerwinkle, Thomas H Mosley, Myriam Fornage
BACKGROUND: Cerebral white matter hyperintensities (WMH) on magnetic resonance imaging (MRI) are part of the spectrum of brain vascular injury accompanying aging and are associated with a substantial risk of stroke and dementia. We investigated the association of cerebral WMH burden on MRI with a DNA methylation-based biomarker of aging, termed DNA methylation age acceleration, which represents the deviation of the DNA methylation-predicted age from the chronologic age. RESULTS: In this cross-sectional observational study of 713 African-American participants of the Atherosclerosis Risk in Communities study, aged 51-73 years, estimates of predicted age were obtained based on two algorithms (Hannum et al...
2017: Clinical Epigenetics
https://www.readbyqxmd.com/read/28273940/chronic-exposure-to-low-doses-of-estradiol-17%C3%A3-increases-blood-pressure-in-young-female-rats-a-possible-role-for-central-endothelin-1
#20
Madhan Subramanian, Sheba M J MohanKumar, Priya Balasubramanian, Carrie A Northcott, Hannah Garver, Gregory D Fink, P S MohanKumar
Previously, we demonstrated that chronic exposure to low levels of estradiol-17β (E2) increases mean arterial pressure (MAP) in young female Sprague-Dawley (SD) rats, however, the underlying mechanisms are unclear. Since endothelin-1 (ET-1) is implicated in blood pressure (BP) regulation, we hypothesized that E2's effects on MAP are mediated through central ET-1. To test this, young female SD rats were either sham implanted or implanted s.c. with slow-release E2 pellets (20 ng/day for 90 days). BP was monitored by telemetry...
December 2017: Scientific Reports
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