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https://www.readbyqxmd.com/read/28607130/s1pr1-sphingosine-1-phosphate-receptor-1-signaling-regulates-blood-flow-and-pressure
#1
Anna Cantalupo, Antonella Gargiulo, Elona Dautaj, Catherine Liu, Yi Zhang, Timothy Hla, Annarita Di Lorenzo
Nitric oxide is one of the major endothelial-derived vasoactive factors that regulate blood pressure (BP), and the bioactive lipid mediator S1P (sphingosine-1-phosphate) is a potent activator of endothelial nitric oxide synthase through G protein-coupled receptors. Endothelial-derived S1P and the autocrine/paracrine activation of S1PR (S1P receptors) play an important role in preserving vascular functions and BP homeostasis. Furthermore, FTY720 (fingolimod), binding to 4 out of 5 S1PRs recently approved by the Food and Drug Administration to treat autoimmune conditions, induces a modest and transient decrease in heart rate in both animals and humans, suggesting that drugs targeting sphingolipid signaling affect cardiovascular functions in vivo...
June 12, 2017: Hypertension
https://www.readbyqxmd.com/read/28599987/characterizing-the-time-course-of-antihypertensive-activity-and-optimal-dose-range-of-fimasartan-via-mechanism-based-population-modeling
#2
Jürgen B Bulitta, Soo Heui Paik, Yong Ha Chi, Tae Hwan Kim, Soyoung Shin, Cornelia B Landersdorfer, Yuanyuan Jiao, Rajbharan Yadav, Beom Soo Shin
Fimasartan is a novel angiotensin II receptor blocker. Our aims were to characterize the time-course of the antihypertensive activity of fimasartan via a new population pharmacokinetic/pharmacodynamic model and to define its optimal dose range. We simultaneously modelled all fimasartan plasma concentrations and 24-h ambulatory blood pressure monitoring (ABPM) data from 39 patients with essential hypertension and 56 healthy volunteers. Patients received placebo, 20, 60, or 180mg fimasartan every 24h for 28days and healthy volunteers received placebo or 20 to 480mg as a single oral dose or as seven doses every 24h...
June 6, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28566208/development-of-wnk-signaling-inhibitors-as-a-new-class-of-antihypertensive-drugs
#3
Mari Ishigami-Yuasa, Yuko Watanabe, Takayasu Mori, Hiroyuki Masuno, Shinya Fujii, Eriko Kikuchi, Shinichi Uchida, Hiroyuki Kagechika
Pseudohypoaldosteronism type II (PHAII) is characterized by hyperkalemia and hypertension despite a normal glomerular filtration rate. Abnormal activation of the signal cascade of with-no-lysine kinase (WNK) with OSR1 (oxidative stress-responsive kinase 1)/SPAK (STE20/SPS1-related proline/alanine-rich kinase) and NCC (NaCl cotransporter) results in characteristic salt-sensitive hypertension. Thus, inhibitors of the WNK-OSR1/SPAK-NCC cascade are candidates for a new class of antihypertensive drugs. In this study, we developed novel inhibitors of this signal cascade from the 9-aminoacridine lead compound 1, one of the hit compounds obtained by screening our chemical library for WNK-SPAK binding inhibitors...
July 15, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28551771/synergistic-effects-of-chuanxiong-chishao-herb-pair-on-promoting-angiogenesis-at-network-pharmacological-and-pharmacodynamic-levels
#4
Yan Wang, Gang Guo, Bin-Rui Yang, Qi-Qi Xin, Qi-Wen Liao, Simon Ming-Yuen Lee, Yuan-Jia Hu, Ke-Ji Chen, Wei-Hong Cong
OBJECTIVE: To investigate the synergistic effects of Chuanxiong-Chishao herb-pair (CCHP) on promoting angiogenesis in silico and in vivo. METHODS: The mechanisms of action of an herb-pair, Chuanxiong- Chishao, were investigated using the network pharmacological and pharmacodynamic strategies involving computational drug target prediction and network analysis, and experimental validation. A set of network pharmacology methods were created to study the herbs in the context of targets and diseases networks, including prediction of target profiles and pharmacological actions of main active compounds in Chuanxiong and Chishao...
May 27, 2017: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/28540203/any-link-of-gout-disease-control-among-hypertensive-patients-and-onset-of-end-stage-renal-disease-results-from-a-population-based-study
#5
Sylvie Perreault, Javier Nuevo, Scott Baumgartner, Robert Morlock
AIM: To determine the impact of allopurinol non-adherence as a proxy for uncontrolled disease on primary prevention of end-stage renal disease (ESRD). METHODS: A cohort of 2752 patients with gout diagnosis was reconstructed using the Québec Régie de l'assurance maladie du Québec and MedEcho administrative databases. Eligible patients were new users of allopurinol, aged 45-85, with a diagnosis of hypertension, and treated with an antihypertensive drug between 1997 and 2007...
May 6, 2017: World Journal of Nephrology
https://www.readbyqxmd.com/read/28538688/in-silico-study-and-bioprospection-of-the-antibacterial-and-antioxidant-effects-of-flavone-and-its-hydroxylated-derivatives
#6
Camila de Albuquerque Montenegro, Gregório Fernandes Gonçalves, Abrahão Alves de Oliveira Filho, Andressa Brito Lira, Thays Thyara Mendes Cassiano, Natanael Teles Ramos de Lima, José Maria Barbosa-Filho, Margareth de Fátima Formiga Melo Diniz, Hilzeth Luna Freire Pessôa
Flavonoid compounds are widely used as natural protective species, which can act as anti-inflammatory, antioxidant, anticoagulant, antihypertensive and antitumor agents. This study set out to investigate the probable pharmacological activities, along with the antibacterial and antioxidant effects, of flavone and its hydroxy derivatives: 3-hydroxyflavone, 5-hydroxyflavone and 6-hydroxyflavone. To do so, we investigated their pharmacological characteristics, using in silico tests that indicate likelihood of activity or inactivity, with the PASS online software, and the antimicrobial potential against Gram positive and Gram negative bacteria was also analyzed, including bacteria of clinical importance...
May 24, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28529721/the-impact-of-antihypertensives-on-kidney-disease
#7
REVIEW
Diego F Marquez, Gema Ruiz-Hurtado, Luis Ruilope
Arterial hypertension and chronic kidney disease (CKD) are intimately related. The control of blood pressure (BP) levels is strongly recommended in patients with CKD in order to protect the kidney against the accompanying elevation in global cardiovascular (CV) risk. Actually, the goal BP in patients with CKD involves attaining values <140/90 mmHg except if albuminuria is present. In this case, it is often recommended to attain values <130/80 mmHg, although some guidelines still recommend <140/90 mmHg...
2017: F1000Research
https://www.readbyqxmd.com/read/28520451/-how-to-create-cooperative-patient-for-antihypertensive-and-hypolipidemic-therapy
#8
Jan Piťha
Patient drug adherence is a major problem especially in the prevention of cardiovascular disease of atherosclerotic origin. On one hand, antihypertensive drugs and hypolipidemic drugs/statins are among the most successful, ones the other hand, they are among the drugs which are most frequently skipped by the patients. Improvement could be realized by education of patients, more frequent follow-ups, as well as by the use of new technologies involving specific dispensers and other, even more sophisticated methods...
2017: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/28503045/review-of-angiotensin-converting-enzyme-inhibitory-assay-rapid-method-in-drug-discovery-of-herbal-plants
#9
REVIEW
Islamudin Ahmad, Arry Yanuar, Kamarza Mulia, Abdul Mun'im
The renin-angiotensin-aldosterone system is a signaling pathway which responsible in the blood pressure regulation. Angiotensin-converting enzyme (ACE) is one of the key elements responsible for the hypertensive mechanism. It converts angiotensin-I to angiotensin-II. The discovery history of the ACE inhibitory activity assay method has been through a long stage for decades and development continues until today. The ACE inhibitory activity has become an effective screening method in the search for new antihypertensive agents from herbal plants...
January 2017: Pharmacognosy Reviews
https://www.readbyqxmd.com/read/28473266/persistence-with-statins-in-primary-prevention-of-cardiovascular-disease-findings-from-a-cohort-of-spanish-workers
#10
Sara Malo, Isabel Aguilar-Palacio, Cristina Feja, Enrica Menditto, María Jesús Lallana, Elena Andrade, José Antonio Casasnovas, María José Rabanaque
INTRODUCTION AND OBJECTIVES: The aim of this study was to assess patterns of treatment persistence in a cohort of male Spanish workers receiving statin therapy for primary prevention of cardiovascular disease. METHODS: This descriptive study was conducted within the framework of the prospective longitudinal Aragon Workers' Health Study (N = 5400). Incident male statin users were identified based on data collected from the regional government's medication consumption information system...
May 1, 2017: Revista Española de Cardiología
https://www.readbyqxmd.com/read/28464141/association-between-academic-medical-center-pharmaceutical-detailing-policies-and-physician-prescribing
#11
Ian Larkin, Desmond Ang, Jonathan Steinhart, Matthew Chao, Mark Patterson, Sunita Sah, Tina Wu, Michael Schoenbaum, David Hutchins, Troyen Brennan, George Loewenstein
Importance: In an effort to regulate physician conflicts of interest, some US academic medical centers (AMCs) enacted policies restricting pharmaceutical representative sales visits to physicians (known as detailing) between 2006 and 2012. Little is known about the effect of these policies on physician prescribing. Objective: To analyze the association between detailing policies enacted at AMCs and physician prescribing of actively detailed and not detailed drugs...
May 2, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28461600/myeloperoxidase-in-hypertensive-disorders-of-pregnancy-and-its-relation-with-nitric-oxide
#12
Lilliam Rocha-Penha, Mayara Caldeira-Dias, José Eduardo Tanus-Santos, Ricardo de Carvalho Cavalli, Valéria Cristina Sandrim
Elevated levels of myeloperoxidase have been demonstrated in women with preeclampsia where it may contribute to endothelial dysfunction mediated, in part, by nitric oxide impairment. In this study, we investigated myeloperoxidase in hypertensive disorders of pregnancy and its contribution to the impairment of the vasodilator nitric oxide. We found higher levels of myeloperoxidase in supernatant from human umbilical vein endothelial cells cultures incubated with plasma from preeclampsia group compared with healthy pregnant women...
June 2017: Hypertension
https://www.readbyqxmd.com/read/28449829/hypertension-canada-s-2017-guidelines-for-the-diagnosis-%C3%A2-assessment-prevention-and-treatment-of%C3%A2-pediatric-hypertension
#13
Janis M Dionne, Kevin C Harris, Geneviève Benoit, Janusz Feber, Luc Poirier, Lyne Cloutier, Meranda Nakhla, Doreen M Rabi, Stella S Daskalopoulou, Anne Fournier
After the 2016 guidelines for blood pressure measurement, diagnosis, and investigation of pediatric hypertension, we now present evidence-based guidelines for the prevention and treatment of hypertension in children. These guidelines were developed by Hypertension Canada's Guideline Committee pediatric subgroup after thorough evaluation of the available literature. Included are 10 guidelines specifically addressing health behaviour management, indications for drug therapy in children with hypertension, choice of therapy for children with primary hypertension, and goals of therapy for children with hypertension...
May 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/28441700/ultrasound-based-renal-sympathetic-denervation-for-the-treatment-of-therapy-resistant-hypertension-a-single-center-experience
#14
Karl Fengler, Robert Höllriegel, Thomas Okon, Thomas Stiermaier, Karl-Philipp Rommel, Stephan Blazek, Christian Besler, Max von Roeder, Martin Petzold, Gerhard Schuler, Philipp Lurz
INTRODUCTION: The effectiveness of renal sympathetic denervation (RDN) as a treatment for therapy-resistant hypertension has been doubted as the Simplicity-HTN-3 trial was unable to show any treatment benefit over sham procedure. This might partly be explained by a high procedural variability in treatment with radiofrequency-based catheters. Recently, newer systems for RDN, like ultrasound-based devices, have been introduced into practice. To date however, data on their effectiveness for the treatment of resistant hypertension are scarce...
June 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28422521/different-approaches-to-the-assessment-of-adherence-and-persistence-with-cardiovascular-disease-preventive-medications
#15
Sara Malo, Isabel Aguilar-Palacio, Cristina Feja, María Jesús Lallana, María José Rabanaque, Javier Armesto, Enrica Menditto
OBJECTIVE: To assess suitability and comparability of the most common methods of treatment adherence and persistence assessment, as applied to the same pharmacy dataset. METHODS: Data on drugs prescribed for cardiovascular primary prevention to participants in the Aragon Workers' Health Study (AWHS) were collected from a regional electronic drug prescription database. Several different approaches were used to measure treatment adherence (with the medication possession ratio [MPR]) and proportion of days covered [PDC]) and persistence in new users by therapeutic subgroup...
May 19, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28413969/optimizing-the-management-of-uncontrolled-hypertension-what-do-triple-fixed-dose-drug-combinations-add
#16
Costas Thomopoulos, Georgios Katsimagklis, Stefanos Archontakis, Georgios Skalis, Thomas Makris
Fixed-dose triple drug combinations represent one of the latest innovations of pharmacotherapy for hypertension (HT). They combine a traditional renin-angiotensin system blocker, a diuretic and a calcium channel blocker. The main benefit is the simplification of treatment regimen because 3 different agents are combined at different doses in a single pill. Improving adherence to treatment partly explains why this kind of combination may effectively reduce blood pressure (BP). BP lowering by a single-pill triple-drug combination can be approximately predicted, by using appropriate formulas described in previous meta-analysis of randomized trials...
April 14, 2017: Current Vascular Pharmacology
https://www.readbyqxmd.com/read/28413967/uncontrolled-hypertension-and-oncology-clinical-%C3%AE-ips
#17
Rigas G Kalaitzidis, Moses S Elisaf
Angiogenesis is fundamental for tumour development and progression. Thus, anti-angiogenic agents have been developed and are mainly vascular endothelial growth factor (VEGF) pathway inhibitors. However, these agents commonly exhibit cardiac and renal toxicity, proteinuria and hypertension (HT). In fact, with the use of anti-angiogenic agents a rapiddose-dependent increaseof blood pressure (BP) is observed. Thepossible mechanisms of VEGF inhibitors-induced HTinclude systemic endothelial dysfunction, renal impairment as well as vascular micro- and macroangiopathy...
April 14, 2017: Current Vascular Pharmacology
https://www.readbyqxmd.com/read/28408942/identification-of-tengfu-jiangya-tablet-target-biomarkers-with-quantitative-proteomic-technique
#18
Jingwen Xu, Yunlun Li, Shijun Zhang, Haiqiang Jiang, Nan Wang, Haiqing Lin
Tengfu Jiangya Tablet (TJT) is a well accepted antihypertension drug in China and its major active components were Uncaria total alkaloids and Semen Raphani soluble alkaloid. To further explore treatment effects mechanism of TJT on essential hypertension, a serum proteomic study was performed. Potential biomarkers were quantified in serum of hypertension individuals before and after taking TJT with isobaric tags for relative and absolute quantitation (iTRAQ) coupled two-dimensional liquid chromatography followed electrospray ionization-tandem mass spectrometry (2D LC-MS/MS) proteomics technique...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28355350/influence-of-antihypertensive-drugs-on-aortic-and-coronary-effects-of-ang-1-7-in-pressure-overloaded-rats
#19
A D C Nunes, A P S Souza, L M Macedo, P H Alves, G R Pedrino, D B Colugnati, E P Mendes, R A S Santos, C H Castro
This study investigated the influence of antihypertensive drugs, such as angiotensin-converting enzyme inhibitors (ACEIs), AT1 receptor blockers (ARBs), voltage-gated L-type calcium channel blockers, and mineralocorticoid receptor antagonists (MRAs), on the effects of angiotensin-(1-7) [Ang-(1-7)] on aorta and coronary arteries from pressure-overloaded rats. Pressure overload was induced by abdominal aortic banding (AB). To evaluate the role of antihypertensive drugs on the effect of Ang-(1-7), AB male Wistar rats weighing 250-300 g were treated with vehicle or low doses (5 mg·kg-1·day-1, gavage) of losartan, captopril, amlodipine, or spironolactone...
March 23, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28295882/identifying-atrial-fibrillation-in-outpatients-initiating-oral-anticoagulants-based-on-medico-administrative-data-results-from-the-french-national-healthcare-databases
#20
Cécile Billionnet, François Alla, Éric Bérigaud, Antoine Pariente, Géric Maura
PURPOSE: Identifying atrial fibrillation (AF) in outpatients treated with oral anticoagulants (OACs) from claims databases is challenging when the outpatient indication is not available, as OACs are also prescribed for deep vein thrombosis/pulmonary embolism (DVT/PE) that may be treated in the ambulatory setting. An algorithm was developed to identify AF in outpatients initiating OAC from medico-administrative data. METHODS: Among patients initiating OAC in 2013 in the French healthcare databases, those treated for orthopaedic indications were excluded...
March 14, 2017: Pharmacoepidemiology and Drug Safety
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