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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/28195465/identification-and-relative-quantification-of-bioactive-peptides-sequentially-released-during-simulated-gastrointestinal-digestion-of-commercial-kefir
#4
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
#5
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
#6
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/28185171/neprilysin-inhibitors-in-cardiovascular-disease
#7
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
#8
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/28181686/the-effect-of-a-histone-deacetylase-inhibitor-ar-42-on-canine-prostate-cancer-growth-and-metastasis
#9
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
#10
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
#11
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
#12
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
https://www.readbyqxmd.com/read/28176581/correction
#13
(no author information available yet)
There was an error in our CPD article Chronic heart failure part 2: treatment and management (11 January). On page 55, the first sentence in the angiotensin receptor neprilysin inhibitor section should read: Valsartan with sacubitril is an angiotensin receptor neprilysin inhibitor that has recently been approved for use as a replacement for ACE inhibitors, to further reduce the risk of hospitalisation and death in ambulatory patients with heart failure and an ejection fraction ≤35% who remain symptomatic despite optimal treatment with an ACE inhibitor, a beta-blocker and an aldersterone antagonist (Ponikowski et al 2016)...
February 8, 2017: Nursing Standard
https://www.readbyqxmd.com/read/28169056/exploring-the-relation-between-changes-in-nt-probnp-and-renal-function-in-patients-with-suspected-heart-failure-using-structural-equation-modelling
#14
Jufen Zhang, Kenneth Y-K Wong, Andrew L Clark, John G F Cleland
BACKGROUND: The relation between changes in NT-proBNP and renal function has commonly been studied using multiple regressions, which may ignore the complexity of relations between related variables. METHODS AND RESULTS: Data were collected from patients referred with suspected heart failure (HF) to a community service. Structural equation modelling (SEM) was used to assess the association between changes in NT-proBNP at 1year, and other pre-specified variables including age, sex, BMI, eGFR, loop diuretics and ACE inhibitor...
January 27, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28161438/molecular-and-evolutionary-perspectives-of-the-renin-angiotensin-system-from-lamprey
#15
Marty K S Wong, Yoshio Takei
The recent advance and revision on the renin-angiotensin system in lamprey were summarized and we emphasized that presence of two types of angiotensins (Angs) in lamprey. Due to the parasitic nature on fish blood, teleost-type Angs were produced in their buccal gland and secreted into the lamphredin to evade the host immunorejection. A native lamprey angiotensinogen (AGT) was identified in genome and it retains serine-protease inhibitor activity for thrombin that regulates the blood coagulation pathway. The native lamprey angiotensin II (Lp-Ang II) is hypotensive instead of hypertensive, suggesting a functional divergence on cardiovascular regulation from the main vertebrate groups...
February 2, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/28159254/identification-and-quantification-of-ace-inhibiting-peptides-in-enzymatic-hydrolysates-of-plant-proteins
#16
Steffi Rudolph, Diana Lunow, Susanne Kaiser, Thomas Henle
Enzymatic hydrolysis of proteins from rice, soy, pea and wheat, with both chymotrypsin and thermolysin, resulted in hydrolysates, which are efficient inhibitors of the angiotensin-converting enzyme (ACE). IC50 values of the hydrolysates were between 27 and 39mg/l, which is comparable to enzymatically hydrolysed whey protein. A significant increase of the ACE-inhibiting effect was observed following butanol extraction due to accumulation of hydrophobic peptides (IC50 between 12 and 21mg/l). Based on the identification and quantification of individual tryptophan-, tyrosine- and phenylalanine-containing dipeptides, 50-80% of the total ACE-inhibiting potential of butanol extracts from plant protein hydrolysates could be explained...
June 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28158298/administration-of-bovine-casein-derived-peptide-prevents-cognitive-decline-in-alzheimer-disease-model-mice
#17
Li-Juan Min, Yodai Kobayashi, Masaki Mogi, Kana Tsukuda, Akio Yamada, Koji Yamauchi, Fumiaki Abe, Jun Iwanami, Jin-Zhong Xiao, Masatsugu Horiuchi
There is a growing interest in identifying natural food ingredients that may serve to prevent dementia such as that due to Alzheimer disease (AD). Peptides derived from food proteins have been demonstrated to have various physiological activities such as a hypotensive action. Recent findings have indicated possible associations of hypertension with AD progression, and suggest that angiotensin converting enzyme (ACE) inhibitors with potential to pass through the blood brain barrier (BBB) may reduce the risk of AD...
2017: PloS One
https://www.readbyqxmd.com/read/28155333/cardioprotective-role-of-zofenopril-in-hypertensive-patients-with-acute-myocardial-infarction-a-pooled-individual-data-analysis-of-the-smile-studies
#18
Claudio Borghi, Stefano Omboni, Giorgio Reggiardo, Stefano Bacchelli, Daniela Degli Esposti, Ettore Ambrosioni
PURPOSE: The four SMILE studies demonstrated that early administration of zofenopril following acute myocardial infarction is prognostically beneficial compared to placebo or other angiotensin-converting enzyme (ACE) inhibitors. In the present retrospective pooled analysis of individual SMILE studies, we evaluated the efficacy of zofenopril on cardiovascular (CV) outcomes in 1880 hypertensive and 1662 normotensive patients. MATERIALS AND METHODS: Four hundred and forty-nine hypertensives and 486 normotensives were treated with placebo, 980 and 786 with zofenopril 30-60 mg daily, 252 and 259 with lisinopril 5-10 mg daily, 199 and 131 with ramipril 10 mg daily, for 6 to 48 weeks...
February 3, 2017: Blood Pressure
https://www.readbyqxmd.com/read/28133581/small-bowel-angioedema-secondary-to-angiotensin-converting-enzyme-inhibitors
#19
Faisal Inayat, Abu Hurairah
Small bowel angioedema induced by angiotensin-converting enzyme (ACE) inhibitors is a rare clinicopathologic entity. It frequently poses a diagnostic challenge and is often not recognized before surgical exploration. The present study illustrates that clinical awareness for this condition and adequate use of radiologic investigations can help make the correct diagnosis of ACE inhibitor-associated angioedema, thus avoiding the cost and morbidity associated with unnecessary interventions.
December 26, 2016: Curēus
https://www.readbyqxmd.com/read/28126276/captopril-enalapril-inhibit-promiscuous-esterase-activity-of-carbonic-anhydrase-at-micromolar-concentrations-an-in%C3%A2-vitro-study
#20
Sajjad Esmaeili, Mohammad Reza Ashrafi-Kooshk, Hadi Adibi, Reza Khodarahmi
The inhibitory activity of captopril, a thiol-containing competitive inhibitor of the angiotensin-converting enzyme, ACE, against esterase activity of carbonic anhydrase, CA was investigated. This small molecule, as well as enalapril, was selected in order to represents both thiol and carboxylate, as two well-known metal binding functional groups of metalloprotein inhibitors. Since captopril, has also been observed to inhibit other metalloenzymes such as tyrosinase and metallo-beta lactamase through binding to the catalytic metal ions and regarding CA as a zinc-containing metallo-enzyme, in the current study, we set out to determine whether captopril/enalapril inhibit CA esterase activity of the purified human CA II or not? Then, we revealed the inhibitors' potencies (IC50, Ki and Kdiss values) and also mode of inhibition...
January 23, 2017: Chemico-biological Interactions
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