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Hassan Fares, James J DiNicolantonio, James H O'Keefe, Carl J Lavie
OBJECTIVES: Hypertension is well established as a major risk factor for cardiovascular disease. Although there is undeniable evidence to support the beneficial effects of antihypertensive therapy on morbidity and mortality, adequate blood pressure management still remains suboptimal. Research into the treatment of hypertension has produced a multitude of drug classes with different efficacy profiles. These agents include β-blockers, diuretics, ACE inhibitors, angiotensin receptor blockers and calcium channel blockers...
2016: Open Heart
Bernadette M Lynch, Edward P Stern, Voon Ong, Mark Harber, Aine Burns, Christopher P Denton
The UK Scleroderma Study Group developed guidelines on the diagnosis and management of scleroderma renal crisis (SRC) based on best available evidence and clinical experience. SRC is characterised by the acute onset of severe hypertension and acute kidney injury. Current strategies to reduce the associated morbidity and mortality include identifying at risk patients to aid early diagnosis. ACE inhibitor therapy should be lifelong in all patients, regardless of whether they require renal replacement therapy...
September 2016: Clinical and Experimental Rheumatology
Gnanasambandan Ramanathan, Santu Ghosh, Ramprasad Elumalai, Soundararajan Periyasamy, Bhaskar V K S Lakkakula
BACKGROUND & OBJECTIVES: Autosomal dominant polycystic kidney disease (ADPKD) is an inherited systemic disorder, characterized by the fluid filled cysts in the kidneys leading to end stage renal failure in later years of life. Hypertension is one of the major factors independently contributing to the chronic kidney disease (CKD) progression. The renin-angiotensin aldosterone system (RAAS) genes have been extensively studied as hypertension candidate genes. The aim of the present study was to investigate the role of angiotensin converting enzyme tagging - single nucleotide polymorphisms (ACE tag-SNPs) in progression of CKD in patients with ADPKD...
June 2016: Indian Journal of Medical Research
Ana Santana, Armindo Melo, Tânia Tavares, Isabel M P L V O Ferreira
The increase of hen egg consumption demands profitable applications for eggshells, including their membranes, in order to minimize environmental and public health problems that could result from their accumulation. This work presents an innovative application for eggshell membranes to obtain an added-value food ingredient that combines maximized ACE-inhibitory and antioxidant activities. Firstly, the use of acetic acid 5% (v/v); and 3-mercaptopropionic acid 1.25 M enabled 63% recovery of eggshell membrane proteins...
October 17, 2016: Food & Function
Yaw A Nyame, Helen Liang, Hans C Arora, Bradley C Gill, Peter Caputo, Daniel Ramirez, Matthew J Maurice, Khaled Fareed, Robert J Stein, Georges-Pascal Haber, Andrew J Stephenson, Amr Fergany, Jihad Kaouk
PURPOSE: Currently no data exists to guide renal surgeons on the perioperative use of renin-angiotensin (RAS) blockers despite their potential cardiorenal benefits. This study aims to assess the impact of resuming RAS blockers on postoperative renal function and adverse cardiac events following partial nephrectomy. PATIENTS AND METHODS: This is an observational analysis of patients undergoing robotic-assisted laparoscopic partial nephrectomy from 2006-2014 at a single institution...
October 13, 2016: Journal of Urology
Ryan D Madder
No abstract text is available yet for this article.
October 2016: Cardiovascular Revascularization Medicine: Including Molecular Interventions
Anna Agakova, Frano Vučković, Lucija Klarić, Gordan Lauc, Felix Agakov
Ultra-performance liquid chromatography (UPLC) is the established technology for accurate analysis of IgG Fc N-glycosylation due to its superior sensitivity, resolution, speed, and its capability to provide branch-specific information of glycan species. Correct and cost-efficient preprocessing of chromatographic data is the major prerequisite for subsequent analyses ranging from inference of structural isomers to biomarker discovery and prediction of humoral immune response from characterized changes in glycosylation...
2017: Methods in Molecular Biology
Praveen Hariharan, David M Dudzinski, Rachel Rosovsky, Farris Haddad, Peter MacMahon, Blair Parry, Yuchiao Chang, Christopher Kabrhel
Computed tomography pulmonary angiogram (CTPA) provides a volumetric assessment of clot burden in acute pulmonary embolism (PE). However, it is unclear if clot burden is associated with right-sided heart strain (RHS) or adverse clinical events (ACE). We prospectively enrolled Emergency Department patients with PE (in CTPA) from 2008 to 2011. We assigned 1 to 9 points as clot burden score, based on whether emboli were saddle, central, lobar, segmental, and subsegmental. We evaluated a novel score (the "CT-PASS") based on the sum (in millimeters) of the largest filling defects in the right and left pulmonary vasculature...
August 24, 2016: American Journal of Cardiology
Ohgi Takahashi, Ryota Kirikoshi, Noriyoshi Manabe
In proteins and peptides, d-aspartic acid (d-Asp) and d-β-Asp residues can be spontaneously formed via racemization of the succinimide intermediate formed from l-Asp and l-asparagine (l-Asn) residues. These biologically uncommon amino acid residues are known to have relevance to aging and pathologies. Although nonenzymatic, the succinimide racemization will not occur without a catalyst at room or biological temperature. In the present study, we computationally investigated the mechanism of succinimide racemization catalyzed by dihydrogen phosphate ion, H₂PO₄(-), by B3LYP/6-31+G(d,p) density functional theory calculations, using a model compound in which an aminosuccinyl (Asu) residue is capped with acetyl (Ace) and NCH₃ (Nme) groups on the N- and C-termini, respectively (Ace-Asu-Nme)...
October 10, 2016: International Journal of Molecular Sciences
Ashraf S Gorgey, Zachary A Graham, William A Bauman, Christopher Cardozo, David R Gater
STUDY DESIGN: Longitudinal design. OBJECTIVES: The study determined the effects of two forms of exercise training on the abundance of two proteins, (glucose transporter-4 [GLUT-4], adenosine monophosphate kinase [AMPK]) involved in glucose utilization and the transcriptional coactivator that regulates the genes involved in energy metabolism and mitochondrial biogenesis (peroxisome proliferator-activated receptor (PPAR) coactivator 1 alpha [PGC-1α]), in muscles in men with chronic motor-complete spinal cord injury (SCI)...
October 13, 2016: Journal of Spinal Cord Medicine
Sergei M Danilov, Heinrich Lünsdorf, Henry T Akinbi, Andrew B Nesterovitch, Yuliya Epshtein, Eleftheria Letsiou, Olga V Kryukova, Tobias Piegeler, Elena Z Golukhova, David E Schwartz, Randal O Dull, Richard D Minshall, Olga A Kost, Joe G N Garcia
Angiotensin I-converting enzyme (ACE) hydrolyzes numerous peptides and is a critical participant in blood pressure regulation and vascular remodeling. Elevated tissue ACE levels are associated with increased risk for cardiovascular and respiratory disorders. Blood ACE concentrations are determined by proteolytic cleavage of ACE from the endothelial cell surface, a process that remains incompletely understood. In this study, we identified a novel ACE gene mutation (Arg532Trp substitution in the N domain of somatic ACE) that increases blood ACE activity 7-fold and interrogated the mechanism by which this mutation significantly increases blood ACE levels...
October 13, 2016: Scientific Reports
Shahram Kahkouee, Katayoon Samadi, Ali Alai, Atefeh Abedini, Lida Rezaiian
BACKGROUND: Sarcoidosis is an inflammatory disease that affects multiple organs. Before widespread use of computed tomography (CT), the severity of sarcoidosis was assessed based on chest X-ray abnormalities. HRCT can distinguish between active inflammatory changes and irreversible fibrosis. In this study, we analyzed different ACE levels in 148 patients diagnosed with sarcoidosis. MATERIAL/METHODS: We categorized these patients based on their HRCT results into four groups: 1) patients diagnosed with chronic disease; 2) patients diagnosed with non-chronic disease; 3) patients who exhibited typical HRCT changes; and 4) patients who exhibited atypical HRCT changes...
2016: Polish Journal of Radiology
Kevin D Burns, Yuliya Lytvyn, Farid H Mahmud, Denis Daneman, Livia Deda, David B Dunger, John E Deanfield, R Neil Dalton, Yesmino Elia, Ronnie Har, Julie A D Van, Timothy J Bradley, Cameron Slorach, Wei Hui, Fengxia Xiao, Joseph Zimpelmann, Luc Mertens, Rahim Moineddin, Heather N Reich, Etienne B Sochett, James W Scholey, David Z I Cherney
AIMS: The relationship between the renal renin-angiotensin aldosterone system (RAAS) and cardiorenal pathophysiology is unclear. Our aims were to assess (1) levels of urinary RAAS components and (2) the association between RAAS components and HbA1c, urine albumin/creatinine ratio (ACR), estimated glomerular filtration rate (eGFR) and blood pressure in otherwise healthy adolescents with type 1 diabetes mellitus (TID) vs. healthy controls (HC). METHODS: Urinary angiotensinogen and ACE2 levels, activity of ACE and ACE2, blood pressure (BP), HbA1c, ACR and eGFR were measured in 65 HC and 194 T1D from the Adolescent Type 1 Diabetes Cardio-Renal Intervention Trial (AdDIT)...
October 12, 2016: American Journal of Physiology. Renal Physiology
Maxi Wass, Friederike Hitz, Judith Schaffrath, Carsten Müller-Tidow, Lutz P Müller
Age is a dominant predictor of outcome in acute myeloid leukemia (AML). However, it is not clear to which extent comorbidities contribute to this effect. The objective of this study was to determine the impact of pretreatment comorbidities on survival of AML patients. In a single-center retrospective study 194 adult AML patients were included. The Hematopoietic cell transplantation comorbidity index (HCT-CI), the Adult Comorbidity Evaluation-27 (ACE-27) score and the Cumulative Illness Rating Scale for Geriatrics (CIRS-G) as well as data on demographics, cytogenetics, treatment and outcome were evaluated at the time of initial diagnosis by univariate and multivariate analysis...
2016: PloS One
Therese Featherston, Helen H Yu, Jonathan C Dunne, Alice M Chibnall, Helen D Brasch, Paul F Davis, Swee T Tan, Tinte Itinteang
AIM: We have recently identified and characterized cancer stem cell (CSC) subpopulations within moderately differentiated buccal mucosal squamous cell carcinoma (MDBMSCC). We hypothesized that these CSCs express components of the renin-angiotensin system (RAS). METHODS: 3,3'-Diaminobenzidine (DAB) immunohistochemical (IHC) staining was performed on formalin-fixed paraffin-embedded MDBMSCC samples to investigate the expression of the components of the RAS: (pro)renin receptor (PRR), angiotensin converting enzyme (ACE), angiotensin II receptor 1 (ATIIR1), and angiotensin II receptor 2 (ATIIR2)...
2016: Frontiers in Surgery
Amy Ruth Bradshaw, Agadha Crisantha Wickremesekera, Helen D Brasch, Alice M Chibnall, Paul F Davis, Swee T Tan, Tinte Itinteang
AIM: To investigate the expression of the renin-angiotensin system (RAS) in cancer stem cells (CSCs), we have previously characterized in glioblastoma multiforme (GBM). METHODS: 3,3-Diaminobenzidine (DAB) immunohistochemical (IHC) staining for the stem cell marker, SOX2, and components of the RAS: angiotensin converting enzyme (ACE), (pro)renin receptor (PRR), angiotensin II receptor 1 (ATIIR1), and angiotensin II receptor 2 (ATIIR2) on 4 μm-thick formalin-fixed paraffin-embedded sections of previously characterized GBM samples in six patients was undertaken...
2016: Frontiers in Surgery
Fernando G de Almeida, Kenia L Vanzolini, Quezia B Cass
Angiotensin converting enzyme (ACE) presents an important role in blood pressure regulation, since that converts angiotensin I to the vasoconstrictor angiotensin II. Some commercially available ACE inhibitors are captopril, lisinopril and enalapril; due to their side effects, naturally occurring inhibitors have been prospected. In order to endorse this research field we have developed a new tool for ACE ligand screening. To this end, ACE was extracted from bovine lung, purified and chemically immobilized in modified ferrite magnetic beads (ACE-MBs)...
October 5, 2016: Journal of Pharmaceutical and Biomedical Analysis
Raghuvansh Kumar, Madhu Bala, H K Madan
No abstract text is available yet for this article.
January 2016: Journal of the Association of Physicians of India
Irene Göllnitz, Johanna Inhestern, Thomas G Wendt, Jens Buentzel, Dirk Esser, Daniel Böger, Andreas H Mueller, Jörn-Uwe Piesold, Stefan Schultze-Mosgau, Ekkehard Eigendorff, Peter Schlattmann, Orlando Guntinas-Lichius
To examine the impact of comorbidity on overall survival (OS) in a population-based study of patients with head and neck cancer who were treated between 2009 and 2011. Data of 1094 patients with primary head and neck carcinomas without distant metastasis from the Thuringian cancer registries were evaluated concerning the influence of patient's characteristics and comorbidity on OS. Data on comorbidity prior to head and neck cancer diagnosis was adapted to the Charlson Comorbidity (CCI), age-adjusted CCI (ACCI), head and neck CCI (HNCCI), simplified comorbidity score (SCS), and to the Adult Comorbidity Evaluation-27 (ACE-27)...
October 11, 2016: Cancer Medicine
N A Trusova, O S Levin, A V Arablinsky
AIM: To study clinical/neuropsychological and neuroimaging characteristics of Alzheimer's disease in the combination with cerebrovascular disease (CVD). MATERIAL AND METHODS: Ninety patients with dementia, including 35 patients with AD, 35 patients with mixed dementia (MD) and 20 patients with vascular dementia, were examined. The character of dementia was established according to NINCDS-ADRDA and NINDS-AIREN criteria. The neuropsychological battery included Addenbrooke's Cognitive Examination (ACE-R), Montreal Cognitive Assessment scale (MoCA), fluency test and the visual memory test (SCT)...
2016: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
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