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https://www.readbyqxmd.com/read/28209920/effect-of-captopril-on-radiation-induced-tgf-%C3%AE-1-secretion-in-ea-hy926-human-umbilical-vein-endothelial-cells
#1
Jingni Wei, Hui Xu, Yinyin Liu, Baiyu Li, Fuxiang Zhou
The pathophysiological mechanism involved in the sustained endothelial secretion of cytokines that leads to fibrosis 6-16 months after radiotherapy remains unclear. Angiotensin II (Ang II) is produced by the endothelium in response to stressing stimuli, like radiation, and may induce the synthesis of TGF-β, a profibrotic cytokine. In this study we tested the hypothesis that captopril, an angiotensin-converting enzyme (ACE) inhibitor, inhibits or attenuates radiation-induced endothelial TGF-β1 secretion. The human endothelial hybrid cell line EA...
February 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28209222/roles-of-angiotensin-peptides-and-recombinant-human-ace2-in-heart-failure
#2
Ratnadeep Basu, Marko Poglitsch, Haran Yogasundaram, Jissy Thomas, Brian H Rowe, Gavin Y Oudit
BACKGROUND: The renin-angiotensin system (RAS) is activated in heart failure (HF) and inhibition of RAS is a mainstay therapy for HF. Angiotensin-converting enzyme 2 (ACE2) and its product, angiotensin 1-7 (Ang-[1-7]), are important negative regulators of the RAS. OBJECTIVES: A comprehensive examination of angiotensin peptide levels and therapeutic effects of recombinant human ACE2 (rhACE2) on peptide metabolism was evaluated in human plasma and explanted heart tissue from patients with HF...
February 21, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28207279/angiotensin-converting-inhibitors-and-angiotensin-ii-receptor-blockers-and-longitudinal-change-in-percent-emphysema-on-computed-tomography-the-mesa-lung-study
#3
Megha A Parikh, Carrie P Aaron, Eric A Hoffman, Joseph E Schwartz, Jaime Madrigano, John H M Austin, Ravi Kalhan, Gina Lovasi, Karol Watson, Karen Hinckley Stukovsky, R Graham Barr
RATIONALE: Chronic obstructive pulmonary disease (COPD) is the third-leading cause of death in the United States. Emphysema on computed tomography (CT) is associated with increased morbidity and mortality in patients with and without spirometrically defined COPD but no available medications target emphysema.  Transforming growth factor beta (TGF-β) and endothelial dysfunction are implicated in emphysema pathogenesis, and angiotensin II receptor blockers (ARB) inhibit TGF-β, improve endothelial function and restore airspace architecture in murine models...
February 16, 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28202884/neurohumoral-modulation-during-waon-therapy-in-chronic-heart-failure%C3%A3-subanalysis-of-waon-chf-study
#4
Tomoko Ichiki, John C Burnett, Christopher G Scott, Denise M Heublein, Masaaki Miyata, Koichiro Kinugawa, Teruo Inoue, Chuwa Tei
BACKGROUND: Heart failure (HF) is a disease of neurohumoral dysfunction and current pharmacological therapies for HF have not improved mortality rates, thus requiring additional new strategies. Waon therapy for HF patients may be a complementary strategy with peripheral vasodilation via nitric oxide. We hypothesized that Waon therapy would improve neurohumoral factors, such as natriuretic peptides (NP) and the renin-angiotensin-aldosterone system (RAAS) in HF.Methods and Results:Plasma samples were collected from patients enrolled in the WAON-CHF Study (Waon therapy (n=77) or control (n=73)) before and after the treatment...
February 16, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28202167/acute-changes-in-glomerular-filtration-rate-with-renin-angiotensin-system-ras-inhibition-clinical-implications
#5
Matthew R Weir
Renin-angiotensin system inhibition with either angiotensin-converting enzyme inhibitors or angiotensin receptor blockers has been shown to be effective in reducing progression of renal and cardiovascular disease. However, these medications are often associated with an initial reduction of estimated glomerular filtration rate, which is thought to be functional but may be of clinical significance. Newer insights from secondary analyses of large clinical trials may provide important clinical perspective.
March 2017: Kidney International
https://www.readbyqxmd.com/read/28201967/dipeptidyl-peptidase-4-inhibitor-induced-angioedema-an-overlooked-and-potentially-lethal-adverse-drug-reaction
#6
Susanne Irene Scott, Michelle Fog Andersen, Lise Aagaard, Christian Von Buchwald, Eva Rye Rasmussen
Introduction Angioedema is a potentially fatal adverse drug reaction of some medications, as swellings of the upper airways can cause death by asphyxiation. Angiotensin converting enzyme-inhibitors are widely known to cause angioedema but less is known about the association between dipeptidyl peptidase-4 inhibitors (gliptins) and angioedema. Dipeptidyl peptidase-4 inhibitors are anti-diabetic drugs used to improve glycaemic control. They, as a class effect, inadvertently affect the degradation of the vasoactive kinins bradykinin and substance P, both of which can cause angioedema due to vasodilatation and increase in vascular permeability in the capillaries...
February 14, 2017: Current Diabetes Reviews
https://www.readbyqxmd.com/read/28195517/systematic-underutilisation-of-secondary-preventive-drugs-in-patients-with-acute-coronary-syndrome-and-reduced-renal-function
#7
Masih Khedri, Karolina Szummer, Juan-Jesus Carrero, Tomas Jernberg, Marie Evans, Stefan H Jacobson, Jonas Spaak
Aims The high risk of recurrent events in patients with reduced renal function following an acute coronary syndrome (ACS) may in part be due to suboptimal secondary prevention. We aimed to describe the association between renal dysfunction and the prescription, initiation and persistent use of secondary prevention during the first year after a first ACS. Methods We identified all patients admitted to any Swedish coronary care unit for a first ACS between 2005 and 2010 ( n = 77,432). In 75,129 patients, creatinine levels were available in order to obtain the estimated glomerular filtration rate (eGFR)...
January 1, 2017: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/28195465/identification-and-relative-quantification-of-bioactive-peptides-sequentially-released-during-simulated-gastrointestinal-digestion-of-commercial-kefir
#8
Yufang Liu, Monika Pischetsrieder
Health-promoting effects of kefir may be partially caused by bioactive peptides. To evaluate their formation or degradation during gastrointestinal digestion, we monitored changes of the peptide profile in a model of oral (1), gastric (2) and small intestinal (3) digestion of kefir. MALDI-TOF-MS analyses revealed clearly different profiles between digests 2/3 and kefir/digest 1. Subsequent UPLC-ESI-MS/MS identified 92 peptides in total (25, 25, 43, and 30, partly overlapping in kefir and digests 1, 2, and 3, respectively), including 16 peptides with ascribed bioactivity...
February 14, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28192475/adverse-cardiac-effects-of-exogenous-angiotensin-1-7-in-rats-with-subtotal-nephrectomy-are-prevented-by-ace-inhibition
#9
Louise M Burrell, Daniel Gayed, Karen Griggs, Sheila K Patel, Elena Velkoska
We previously reported that exogenous angiotensin (Ang) 1-7 has adverse cardiac effects in experimental kidney failure due to its action to increase cardiac angiotensin converting enzyme (ACE) activity. This study investigated if the addition of an ACE inhibitor (ACEi) to Ang 1-7 infusion would unmask any beneficial effects of Ang 1-7 on the heart in experimental kidney failure. Male Sprague-Dawley rats underwent subtotal nephrectomy (STNx) and were treated with vehicle, the ACEi ramipril (oral 1mg/kg/day), Ang 1-7 (subcutaneous 24 μg/kg/h) or dual therapy (all groups, n = 12)...
2017: PloS One
https://www.readbyqxmd.com/read/28192226/use-of-preventive-medication-in-patients-with-limited-life-expectancy-a-systematic-review
#10
REVIEW
Arjun Poudel, Patsy Yates, Debra Rowett, Lisa M Nissen
CONTEXT: Optimal prescribing in patients with limited life expectancy remains unclear. OBJECTIVES: This study systematically reviews the published literature regarding the use of preventive medication in patients with reduced life expectancy. METHODS: A systematic literature search was conducted using three databases (MEDLINE, EMBASE and CINAHL). Articles published in English from January 1995 to December 2015 were retrieved for analysis to identify peer-reviewed, observational studies assessing use of preventive medications in patients with limited life expectancy...
February 9, 2017: Journal of Pain and Symptom Management
https://www.readbyqxmd.com/read/28191376/when-nothing-else-works-fresh-frozen-plasma-in-the-treatment-of-progressive-refractory-angiotensin-converting-enzyme-inhibitor-induced-angioedema
#11
Gerard Chaaya, Faraz Afridi, Arfa Faiz, Ali Ashraf, Mahrukh Ali, Analia Castiglioni
Angioedema is a severe form of an allergic reaction characterized by the localized edematous swelling of the dermis and subcutaneous tissues. Angiotensin-converting enzyme inhibitor-induced angioedema (ACEI-IA) is an allergic reaction that can be severe in some cases requiring advanced management measures. Fresh frozen plasma has been used off-labeled in some case reports to improve and to prevent worsening of the angioedema in a few cases of ACEI-IA. We are reporting this case to increase the awareness of physicians and to widen their therapeutic options when encountering this clinically significant condition...
January 11, 2017: Curēus
https://www.readbyqxmd.com/read/28190577/dilated-cardiomyopathy
#12
REVIEW
Robert G Weintraub, Christopher Semsarian, Peter Macdonald
Dilated cardiomyopathy is defined by the presence of left ventricular dilatation and contractile dysfunction. Genetic mutations involving genes that encode cytoskeletal, sarcomere, and nuclear envelope proteins, among others, account for up to 35% of cases. Acquired causes include myocarditis and exposure to alcohol, drugs and toxins, and metabolic and endocrine disturbances. The most common presenting symptoms relate to congestive heart failure, but can also include circulatory collapse, arrhythmias, and thromboembolic events...
February 9, 2017: Lancet
https://www.readbyqxmd.com/read/28186527/risk-of-breast-cancer-with-long-term-use-of-calcium-channel-blockers-or-angiotensin-converting-enzyme-inhibitors-among-older-women
#13
Marsha A Raebel, Chan Zeng, T Craig Cheetham, David H Smith, Heather Spencer Feigelson, Nikki M Carroll, Kristin Goddard, Heather M Tavel, Denise M Boudreau, Susan Shetterly, Stanley Xu
No abstract text is available yet for this article.
February 15, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28185171/neprilysin-inhibitors-in-cardiovascular-disease
#14
REVIEW
Guson Kang, Dipanjan Banerjee
Mortality from heart failure remains high despite advances in medical therapy over the last three decades. Angiotensin receptor-neprilysin inhibitor (ARNI) combinations are the latest addition to the heart failure medical armamentarium, which is built on the cornerstone regimen of beta blockers, angiotensin converting enzyme (ACE) inhibitors/angiotensin receptor blockers, and aldosterone antagonists. Recent trial data have shown a significant mortality benefit from ARNIs, which, as of May 2016, have now received a class I recommendation for use in patients with heart failure and reduced ejection fraction from the major American and European cardiology societies...
February 2017: Current Cardiology Reports
https://www.readbyqxmd.com/read/28184975/alkaline-phosphatase-a-biomarker-of-cardiac-function-in-pediatric-patients
#15
Elizabeth S Makil, Xinyu Tang, Elizabeth A Frazier, R Thomas Collins
Myocardial dysfunction and heart failure are common in pediatric patients with congenital and acquired heart disease. Alkaline phosphatase (AP) has been suggested as a biomarker for myocardial dysfunction after Fontan operation. We hypothesized that pediatric patients with myocardial dysfunction requiring orthotopic heart transplant (OHT) have diminished AP compared to normal. A retrospective review was performed in all patients who underwent OHT at Arkansas Children's Hospital between January 2007 and October 2012...
February 9, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28183375/translating-clinical-trials-into-clinical-practice-a-survey-assessing-the-potential-impact-of-the-pediatric-heart-network-infant-single-ventricle-trial
#16
Victor Zak, Daphne T Hsu, Victoria L Pemberton, Jami C Levine, Andrew M Atz, James F Cnota, Chitra Ravishankar, Piers Barker, Linda M Lambert, Brian W McCrindle, Michele A Frommelt, Karen Altmann, Shan Chen, Richard V Williams
BACKGROUND: A few studies have evaluated the impact of clinical trial results on practice in paediatric cardiology. The Infant Single Ventricle (ISV) Trial results published in 2010 did not support routine use of the angiotensin-converting enzyme inhibitor enalapril in infants with single-ventricle physiology. We sought to assess the influence of these findings on clinical practice. METHODS: A web-based survey was distributed via e-mail to over 2000 paediatric cardiologists, intensivists, cardiothoracic surgeons, and cardiac advance practice nurses during three distribution periods...
February 10, 2017: Cardiology in the Young
https://www.readbyqxmd.com/read/28181686/the-effect-of-a-histone-deacetylase-inhibitor-ar-42-on-canine-prostate-cancer-growth-and-metastasis
#17
Said M Elshafae, Nicole A Kohart, Lucas A Altstadt, Wessel P Dirksen, Thomas J Rosol
BACKGROUND: Canine prostate cancer (PCa) is an excellent preclinical model for human PCa. AR-42 is a histone deacetylase inhibitor (HDACi) developed at The Ohio State University that inhibits the proliferation of several cancers, including multiple myeloma, lung, and hepatocellular cancer. In this study, we investigated whether AR-42 would prevent or decrease. The growth and metastasis of a canine PCa (Ace-1 cells) to bone in vitro and in vivo. METHODS: Proliferation, cell viability, invasion, and metastasis of a canine prostate cancer cell line (Ace-1) were measured following treatment with AR-42...
February 9, 2017: Prostate
https://www.readbyqxmd.com/read/28181652/arb-users-exhibit-a-lower-fracture-incidence-than-ace-inhibitor-users-among-older-hypertensive-men
#18
Timothy Kwok, Jason Leung, Elizabeth Barrett-Connor
No abstract text is available yet for this article.
January 10, 2017: Age and Ageing
https://www.readbyqxmd.com/read/28181317/ace-inhibitors-may-interfere-with-omalizumab-in-chronic-spontaneous-urticaria
#19
Riccardo Asero
The extrinsic pathway of coagulation cascade is activated in chronic spontaneous urticaria (CSU), and such activation parallels disease severity (1). D-dimer levels are elevated in cases resistant to antihistamines (2) and/or cyclosporine (3). Omalizumab is highly effective in most patients with severe, antihistamine-resistant CSU. Two cases of severe CSU in which ACE-inhibitor was associated with the loss of response to omalizumab are reported. This article is protected by copyright. All rights reserved.
February 9, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28179398/medical-therapy-for-secondary-prevention-and-long-term-outcome-in-patients-with-myocardial-infarction-with-non-obstructive-coronary-artery-minoca-disease
#20
Bertil Lindahl, Tomasz Baron, David Erlinge, Nermin Hadziosmanovic, Anna M Nordenskjöld, Anton Gard, Tomas Jernberg
Background -Myocardial infarction (MI) with non-obstructive coronary arteries (MINOCA) occurs in 5-10% of all patients with MI. Clinical trials of secondary prevention treatment in MINOCA patients are lacking. Therefore, the aim of this study was to examine the associations between treatment with statins, renin-angiotensin system blockers, beta-blockers, dual antiplatelet therapy and long-term cardiovascular events. Methods -Observational study of MINOCA patients recorded in the SWEDEHEART registry between July 2003 and June 2013 and followed until December 2013 for outcome events in the Swedish Cause of Death Register and National Patient Register...
February 8, 2017: Circulation
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