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https://www.readbyqxmd.com/read/28810191/structure-function-studies-of-bpp-brachynh2-and-synthetic-analogues-thereof-with-angiotensin-i-converting-enzyme
#1
Daniel D R Arcanjo, Andreanne G Vasconcelos, Lucas A Nascimento, Ana Carolina Mafud, Alexandra Plácido, Michel M M Alves, Cristina Delerue-Matos, Marcelo P Bemquerer, Nuno Vale, Paula Gomes, Eduardo B Oliveira, Francisco C A Lima, Yvonne P Mascarenhas, Fernando Aécio A Carvalho, Ulf Simonsen, Ricardo M Ramos, José Roberto S A Leite
The vasoactive proline-rich oligopeptide termed BPP-BrachyNH2 (H-WPPPKVSP-NH2) induces in vitro inhibitory activity of angiotensin I-converting enzyme (ACE) in rat blood serum. In the present study, the removal of N-terminal tryptophan or C-terminal proline from BPP-BrachyNH2 was investigated in order to predict which structural components are important or required for interaction with ACE. Furthermore, the toxicological profile was assessed by in silico prediction and in vitro MTT assay. Two BPP-BrachyNH2 analogues (des-Trp(1)-BPP-BrachyNH2 and des-Pro(8)-BPP-BrachyNH2) were synthesized, and in vitro and in silico ACE inhibitory activity and toxicological profile were assessed...
August 7, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28801827/rapid-screening-and-identification-of-ace-inhibitors-in-snake-venoms-using-at-line-nanofractionation-lc-ms
#2
Marija Mladic, Tessa de Waal, Lindsey Burggraaff, Julien Slagboom, Govert W Somsen, Wilfried M A Niessen, R Manjunatha Kini, Jeroen Kool
This study presents an analytical method for the screening of snake venoms for inhibitors of the angiotensin-converting enzyme (ACE) and a strategy for their rapid identification. The method is based on an at-line nanofractionation approach, which combines liquid chromatography (LC), mass spectrometry (MS), and pharmacology in one platform. After initial LC separation of a crude venom, a post-column flow split is introduced enabling parallel MS identification and high-resolution fractionation onto 384-well plates...
August 11, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28799416/evaluating-the-effects-of-chronic-antihypertensives-on-vasopressor-dosing-in-septic-shock
#3
Joshua M DeMott, Gourang Patel, Ishaq Lat
BACKGROUND: In septic shock, chronic antihypertensive medications are held acutely. Vasopressors are often required to maintain blood pressure. The effect of chronic exposure to antihypertensive therapies on vasopressor dosing in septic shock is not known. OBJECTIVE: To determine the effects of chronic exposure to antihypertensive therapies, specifically β-blockers and angiotensin-converting enzyme (ACE) inhibitors, on cumulative vasopressor dosing in septic shock...
August 1, 2017: Annals of Pharmacotherapy
https://www.readbyqxmd.com/read/28796769/medication-related-patient-harm-in-new-zealand-hospitals
#4
Gillian Robb, Elizabeth Loe, Ashika Maharaj, Richard Hamblin, Mary E Seddon
AIM: The purpose of this study is to identify patterns of medication-related harm from a national perspective, and to use this information to inform decisions on where to focus medication safety efforts. This study updates a 2013 study using the same methodology. METHOD: District health boards (DHBs) still actively using either the Adverse Drug Event (ADE) Trigger Tool (TT) or the Global Trigger Tool (GTT), submitted two years of anonymised ADE data (1 July 2013-30 June 2015) to the Health Quality & Safety Commission (the Commission) using a standard template...
August 11, 2017: New Zealand Medical Journal
https://www.readbyqxmd.com/read/28782477/sodium-valproate-induced-bilateral-pitting-pedal-edema-a-case-report
#5
Radhika Panchal, Dharamveer Chaudhary, Ashish Anovadiya
Bilateral pitting edema is rare adverse drug reactions observed in the psychiatry department. Drug related pedal edema is most commonly seen with ACE inhibitors, non-steroidal anti-inflammatory drug, and calcium channel blockers. But pitting edema with Sodium valproate is very rare.
August 4, 2017: Current Drug Safety
https://www.readbyqxmd.com/read/28780582/implantable-cardiac-defibrillator-and-mortality-in-non-ischaemic-cardiomyopathy-an-updated-meta-analysis
#6
Ana C Alba, Farid Foroutan, Juan Duero Posada, Luciano Battioni, Toni Schofield, Mosaad Alhussein, Thomas Agoritsas, Frederick A Spencer, Gordon Guyatt
OBJECTIVES: The benefit of implantable cardiac defibrillator (ICD) in symptomatic patients with systolic dysfunction and non-ischaemic cardiomyopathy remains controversial. We conducted a systematic review and meta-analysis to determine the effect of ICD in patients with non-ischaemic cardiomyopathy on (1) all-cause mortality, (2) cardiovascular mortality and (3) sudden cardiac death. METHODS: We searched citations in meta-analyses published until 2012, and in MEDLINE, Embase, PubMed and Cochrane databases from 2012 to October 2016...
August 5, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28780577/drug-treatment-effects-on-outcomes-in-heart-failure-with-preserved-ejection-fraction-a-systematic-review-and-meta-analysis
#7
Sean Lee Zheng, Fiona T Chan, Adam A Nabeebaccus, Ajay M Shah, Theresa McDonagh, Darlington O Okonko, Salma Ayis
BACKGROUND: Clinical drug trials in patients with heart failure and preserved ejection fraction have failed to demonstrate improvements in mortality. METHODS: We systematically searched Medline, Embase and the Cochrane Central Register of Controlled Trials for randomised controlled trials (RCT) assessing pharmacological treatments in patients with heart failure with left ventricular (LV) ejection fraction≥40% from January 1996 to May 2016. The primary efficacy outcome was all-cause mortality...
August 5, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28777899/effect-of-hyperbaric-oxygen-therapy-on-blood-pressure-in-patients-undergoing-treatment
#8
Marvin Heyboer Rd, Susan M Wojcik, Garrett Smith, William Santiago
INTRODUCTION: Hyperbaric oxygen (HBO₂) therapy is generally safe and well tolerated. However, known side effects do exist. Elevation in the blood pressure of patients undergoing HBO₂ therapy is a less defined potential side effect. We sought to better quantify effects of HBO₂ on blood pressure (BP) in patients undergoing HBO₂. METHODS: A retrospective chart review was performed on quality assurance data captured on all patients undergoing HBO₂ between March 2012 and October 2015 at a large tertiary referral university hospital hyperbaric center...
March 2017: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
https://www.readbyqxmd.com/read/28774396/aspirin-does-not-increase-heart-failure%C3%A2-events-in-heart-failure-patients-from-the-warcef%C3%A2-trial
#9
John R Teerlink, Min Qian, Natalie A Bello, Ronald S Freudenberger, Bruce Levin, Marco R Di Tullio, Susan Graham, Douglas L Mann, Ralph L Sacco, J P Mohr, Gregory Y H Lip, Arthur J Labovitz, Seitetz C Lee, Piotr Ponikowski, Dirk J Lok, Stefan D Anker, John L P Thompson, Shunichi Homma
OBJECTIVES: The aim of this study was to determine whether aspirin increases heart failure (HF) hospitalization or death in patients with HF with reduced ejection fraction receiving an angiotensin-converting enzyme (ACE) inhibitor or angiotensin receptor blocker (ARB). BACKGROUND: Because of its cyclooxygenase inhibiting properties, aspirin has been postulated to increase HF events in patients treated with ACE inhibitors or ARBs. However, no large randomized trial has addressed the clinical relevance of this issue...
August 2017: JACC. Heart Failure
https://www.readbyqxmd.com/read/28772029/ace-inhibitor-associated-intestinal-angioedema-in-orthotopic-heart-transplantation
#10
Dushyanth Srinivasan, Garth W Strohbehn, Thomas Cascino
Angiotensin-converting enzyme inhibitor induced angioedema commonly involves the head and neck area. We report a case of angiotensin-converting enzyme inhibitor induced intestinal angioedema in a heart transplant recipient on mTOR immunosuppression. A 36-year-old Caucasian woman with history of heart transplantation on sirolimus, tacrolimus and prednisone presented to the Emergency Department with abdominal pain, one day following lisinopril initiation. A computer tomography scan demonstrated diffuse bowel wall thickening consistent with pancolitis and edema...
August 2017: ESC Heart Failure
https://www.readbyqxmd.com/read/28771512/ace-phenotyping-in-human-heart
#11
Victoria E Tikhomirova, Olga A Kost, Olga V Kryukova, Elena Z Golukhova, Naida I Bulaeva, Aigerim Z Zholbaeva, Leo A Bokeria, Joe G N Garcia, Sergei M Danilov
AIMS: Angiotensin-converting enzyme (ACE), which metabolizes many peptides and plays a key role in blood pressure regulation and vascular remodeling, is expressed as a type-1 membrane glycoprotein on the surface of different cells, including endothelial cells of the heart. We hypothesized that the local conformation and, therefore, the properties of heart ACE could differ from lung ACE due to different microenvironment in these organs. METHODS AND RESULTS: We performed ACE phenotyping (ACE levels, conformation and kinetic characteristics) in the human heart and compared it with that in the lung...
2017: PloS One
https://www.readbyqxmd.com/read/28770426/the-benefit-of-angiotensin-at1-receptor-blockers-for-early-treatment-of-hypertensive-patients
#12
REVIEW
Bruno Trimarco, Ciro Santoro, Marco Pepe, Maurizio Galderisi
ESC guidelines for management of arterial hypertension allow one to choose among five classes of antihypertensive drugs indiscriminately. They are based on the principle that in the management of hypertensive patients, it is fundamental to reduce blood pressure (BP), independently of the utilized drug. However, it has been demonstrated that the renin-angiotensin system (RAS) plays a relevant role in the hypertensive-derived development and progression of organ damage. Thus, antihypertensive drugs interfering with the RAS should be preferred in preventing and reducing target organ damage...
August 2, 2017: Internal and Emergency Medicine
https://www.readbyqxmd.com/read/28767167/the-impact-of-age-and-sex-on-the-reporting-of-cough-and-angioedema-with-ras-inhibitors-a-case-non-case-study-in-vigibase
#13
Fawaz F Alharbi, Anzhelika A V Kholod, Patrick C Souverein, Ronald H Meyboom, Mark C H de Groot, Anthonius de Boer, Olaf H Klungel
The purpose of this study was to assess the impact of age and sex on the reporting of cough and angioedema related to renin angiotensin system (RAS) inhibitors. A case/non-case study was performed in VigiBase. Two case groups were identified, reports of cough and reports of angioedema and non-cases were all reports of all other adverse events. Logistic regression analysis was used to assess the association between reporting of cough and angioedema with each class of RAS inhibitors stratified by age/sex and to control for confounding...
August 2, 2017: Fundamental & Clinical Pharmacology
https://www.readbyqxmd.com/read/28765966/aliskiren-has-chondroprotective-efficacy-in-a-rat-model-of-osteoarthritis-through-suppression-of-the-local-renin-angiotensin-system
#14
Kaizhong Yan, Yixin Shen
The local renin-angiotensin system (RAS) has been reported to have an important role in the pathogenesis and progression of metabolic bone diseases, including osteoarthritis (OA). Aliskiren is the first in a new class of orally effective direct renin inhibitors and is approved for the treatment of hypertension in humans. However, its efficacy in patients with OA is unknown. A rat model of OA was induced to investigate the potential efficacy of aliskiren. Effects of aliskiren on the cartilage structure were detected by safranin O staining and its effects on the widths of the proliferation zone and hypertrophic zone (HZ) of chondrocytes were analyzed by Masson's staining...
July 28, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28762933/-optimization-of-bp-control-and-arterial-elasticity-with-fixed-combination-therapy-perindopril-and-amlodipine-in-patients-with-arterial-hypertension-and-increased-pulse-wave-velocity
#15
S V Nedogoda, A O Konradi, N E Zvartau, E V Chumachek, A A Ledyaeva, V V Tsoma, A S Salasyuk, J S Judina, V O Smirnova, V J Khripaeva, R V Palashkin
The aim of the study was to assess the possibility of fixed combination perindopril+amlodipine to improve arterial elesticity in patients with hypertension and high pulse wave velocity, despite previous combination antihypertensive therapy. In an open, multicenter, observational study duration of 24 weeks 80 patients were included, divided into 4 equal-sized groups, depending on initial antihypertensive therapy: Group 1 - the combination of ACE inhibitor and diuretic, Group 2 - the combination of ACE inhibitor and calcium channel blocker, Group 3 - the combination of diuretic and angiotensin receptor blocker, Group 4 - the combination of angiotensin receptor blocker and calcium antagonist...
March 2017: Kardiologiia
https://www.readbyqxmd.com/read/28761607/-severe-ventricular-arrhythmias-in-a-patient-with-dilated-cardiomyopathy-and-automated-implantable-defibrillator-aid
#16
Stéphane Méo Ikama, Jospin Makani, Bertrand Ellenga-Mbolla, Louis Igor Ondze-Kafata, Thierry Raoul Gombet, Gisèle Kimbally-Kaky
Severe ventricular arrhythmias are frequent during heart failure; they are a life-threatening condition due to the increased risk of sudden death. Efficient management remains limited in sub-Saharan Africa because of the limited or unavailable medical resources as automated implantable defibrillator (AID). We report the case of a 56-year old patient with non ischemic dilated cardiomyopathy with very low left ventricular ejection fraction (LVEF)who underwent AID implantation for primary prevention of sudden cardiac death due to ventricular arrhythmias in 2012...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28758595/vasodilator-effect-of-angiotensin-1-7-on-vascular-coronary-bed-of-rats-role-of-mas-ace-and-ace2
#17
Patrícia Lanza Moraes, Lucas Miranda Kangussu, Carlos Henrique Castro, Robson As Santos, Anderson José Ferreira, Alvair P Almeida
Angiotensin(Ang)-(1-7) is a biologically active member of the renin-angiotensin system that participates of the regulation of blood pressure. Although Ang-(1-7) is able to potentiate the vasodilator effect of bradykinin in coronary bed of rats, a direct vasodilator effect of Ang-(1-7) in this vascular bed has not been characterized. Thus, the aim of this study was to evaluate the mechanisms involved in the vasodilator effect of Ang-(1-7) in the vasculature of isolated rat hearts perfused according to the Langendorff technique at constant flow...
July 28, 2017: Protein and Peptide Letters
https://www.readbyqxmd.com/read/28758594/effects-of-resveratrol-and-ace-inhibitor-enalapril-on-glucose-and-lipid-profiles-in-mice
#18
Thaisa de Almeida Pinheiro, Thales de Almeida Pinheiro, Jonh David Feltenberger, João Marcus Oliveira Andrade, Emillio César Ferreira, Deborah De Farias Lelis, Andre Luiz Sena Guimarães, Alfredo Maurício Batista de Paula, Antônio Prates Caldeira, Sergio Sousa Santos
Lipogenesis is a process that involves the synthesis of fatty acids. Resveratrol and enalapril are being studied for their beneficial physiological properties on the glucose and lipid metabolism. The aim of the present study was to evaluate the oral administration of resveratrol and enalapril on the glucose and lipid metabolism, evaluating the white pad lipogenesis genes expression in mice. Swiss male mice were divided into four groups and treated for eight weeks as follows: Standard diet ad libitum (G1); Standard diet + Resveratrol (G2); Standard diet + Enalapril (G3); Standard diet + Resveratrol + Enalapril (G4), where resveratrol was administered with the food and enalapril with the water...
July 28, 2017: Protein and Peptide Letters
https://www.readbyqxmd.com/read/28753930/pregnancy-proteinuria-plant-based-supplemented-diets-and-focal-segmental-glomerulosclerosis-a-report-on-three-cases-and-critical-appraisal-of-the-literature
#19
Rossella Attini, Filomena Leone, Benedetta Montersino, Federica Fassio, Fosca Minelli, Loredana Colla, Maura Rossetti, Cristiana Rollino, Maria Grazia Alemanno, Antonella Barreca, Tullia Todros, Giorgina Barbara Piccoli
Chronic kidney disease (CKD) is increasingly recognized in pregnant patients. Three characteristics are associated with a risk of preterm delivery or small for gestational age babies; kidney function reduction, hypertension, and proteinuria. In pregnancy, the anti-proteinuric agents (ACE-angiotensin converting enzyme-inhibitors or ARBS -angiotensin receptor blockers) have to be discontinued for their potential teratogenicity, and there is no validated approach to control proteinuria. Furthermore, proteinuria usually increases as an effect of therapeutic changes and pregnancy-induced hyperfiltration...
July 19, 2017: Nutrients
https://www.readbyqxmd.com/read/28751987/hypertension-management-in-brazil-usual-practice-in-primary-care-a-meta-analysis
#20
REVIEW
Rafael V Picon, Juvenal S Dias-da-Costa, Flavio D Fuchs, Maria Teresa A Olinto, Niteesh K Choudhry, Sandra C Fuchs
Knowing the usual clinical practice is relevant for evaluations in health care and economic policies of management of hypertension. This study aimed to describe the usual management of hypertension in the Brazilian primary healthcare system through a systematic review and meta-analysis. The search of population-based studies conducted in Brazil was undertaken using PubMed, EMBASE, and Brazilian databases. Eligible studies were those conducted in adults with hypertension (blood pressure (BP) ≥ 140/90 mmHg or using BP lowering drugs)...
2017: International Journal of Hypertension
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