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Natriuretic peptide receptor

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https://www.readbyqxmd.com/read/29761335/-biomarkers-and-atrial-fibrillation-prediction-of-recurrences-and-thromboembolic-events-after-rhythm-control-management
#1
REVIEW
Jelena Kornej, Katja Schumacher, Daniela Husser, Gerhard Hindricks
Atrial fibrillation (AF) is the most common arrhythmia in clinical praxis and is associated with an increased risk for cardio- and cerebrovascular complications leading to an increased mortality. Catheter ablation represents one of the most important and efficient therapy strategies in AF patients. Nevertheless, the high incidence of arrhythmia recurrences after catheter ablation leads to repeated procedures and higher treatment costs. Recently, several scores had been developed to predict rhythm outcomes after catheter ablation...
May 14, 2018: Herzschrittmachertherapie & Elektrophysiologie
https://www.readbyqxmd.com/read/29754651/rationale-and-methods-of-the-prospective-study-of-biomarkers-symptom-improvement-and-ventricular-remodeling-during-sacubitril-valsartan-therapy-for-heart-failure-prove-hf
#2
James L Januzzi, Javed Butler, Emmanuel Fombu, Alan Maisel, Kevin McCague, Ileana L Piña, Margaret F Prescott, Jerome B Riebman, Scott Solomon
BACKGROUND: Sacubitril/valsartan is an angiotensin receptor-neprilysin inhibitor indicated for the treatment of patients with chronic heart failure (HF) with reduced ejection fraction; however, its mechanism of benefit remains unclear. Biomarkers that are linked to ventricular remodeling, myocardial injury, and fibrosis may provide mechanistic insight and important clinical guidance regarding sacubitril/valsartan use. METHODS: This 52-week, multicenter, open-label, single-arm study is designed to (1) correlate biomarker changes with cardiac remodeling parameters, cardiovascular outcomes, and patient-reported outcome data and (2) determine short- and long-term changes in concentrations of biomarkers related to potential mechanisms of action and effects of sacubitril/valsartan therapy...
May 2018: American Heart Journal
https://www.readbyqxmd.com/read/29752563/alamandine-attenuates-hypertension-and-cardiac-hypertrophy-in-hypertensive-rats
#3
Chi Liu, Chuan-Xi Yang, Xi-Ru Chen, Bo-Xun Liu, Yong Li, Xiao-Zhi Wang, Wei Sun, Peng Li, Xiang-Qing Kong
Oral administration of the peptide alamandine has antihypertensive and anti-fibrotic effects in rats. This work aimed to determine whether subcutaneous alamandine injection would attenuate hypertension and cardiac hypertrophy, and improve the function of a major target of hypertension-related damage, the left ventricle (LV), in spontaneously hypertensive rats (SHRs). This was examined in vivo in SHRs and normotensive rats subjected to 6-week subcutaneous infusion of alamandine or saline control, and in vitro in H9C2-derived and primary neonatal rat cardiomyocytes treated with angiotensin (Ang) II to model cardiac hypertrophy...
May 12, 2018: Amino Acids
https://www.readbyqxmd.com/read/29739821/c-type-natriuretic-peptide-a-link-between-hyperandrogenism-and-anovulation-in-a-mouse-model-of-polycystic-ovary-syndrome
#4
Adelina M Reis, Kinulpe Honorato-Sampaio
The polycystic ovary (PCO) syndrome (PCOS) is the most common cause of anovulatory infertility in women and is associated with several clinical disorders. Despite the great amount of research in the area, mechanisms involved in the genesis of this syndrome remain poorly understood. In a recent issue of Clinical Science (vol. 132, issue 7, 759-776), Wang and colleagues, highlight the important role of overactivated C-type natriuretic peptide (CNP) and natriuretic peptide receptor 2 (CNP/NPR2) system in preventing oocyte maturation and ovulation in PCOS mice model induced by androgen...
May 16, 2018: Clinical Science (1979-)
https://www.readbyqxmd.com/read/29731121/sudden-death-after-hospitalization-for-heart-failure-with-reduced-ejection-fraction-from-the-everest-trial
#5
Muthiah Vaduganathan, Ravi B Patel, Robert J Mentz, Haris Subacius, Neal A Chatterjee, Stephen J Greene, Andrew P Ambrosy, Aldo P Maggioni, James E Udelson, Karl Swedberg, Marvin A Konstam, Christopher M O'Connor, Javed Butler, Mihai Gheorghiade, Faiez Zannad
Patients with chronic heart failure with reduced ejection fraction (HFrEF) benefit from medical and device therapies targeting sudden cardiac death (SCD). Contemporary estimates of SCD risk after hospitalization for heart failure are limited. We describe the incidence, timing, and clinical predictors of SCD after hospitalization for HFrEF (≤40%) in the EVEREST (Efficacy of Vasopressin Antagonism in Heart Failure Outcome Study with Tolvaptan) trial. Multiple logistic regression analyses tested >30 baseline covariates (including treatment randomization, demographics, comorbid conditions, natriuretic peptides, ejection fraction, and medical and device therapies) to identify predictors of 1-year SCD...
April 11, 2018: American Journal of Cardiology
https://www.readbyqxmd.com/read/29729375/clinical-predictive-biomarkers-for-normoalbuminuric-diabetic-kidney-disease
#6
Tomohito Gohda, Yuji Nishizaki, Maki Murakoshi, Shuko Nojiri, Naotake Yanagisawa, Terumi Shibata, Mami Yamashita, Kanako Tanaka, Yoshinori Yamashita, Yusuke Suzuki, Nozomu Kamei
AIMS: A portion of patients with diabetes mellitus follow the progression of a non-albuminuria-based pathway; i.e., normoalbuminuric diabetic kidney disease (NA-DKD). However, the risk factors which determine NA-DKD are not yet fully understood. This cross-sectional study was therefore aimed to investigate the association between various biomarker levels and estimated glomerular filtration rate (eGFR) in patients with type 2 diabetes mellitus and normoalbuminuria (T2D-NA). METHODS: We measured cardiovascular disease (CVD) [serum osteoprotegerin (OPG), plasma brain natriuretic peptide (BNP), cardio-ankle vascular index (CAVI)], tubular damage [urinary L-type fatty acid binding protein (L-FABP)], and inflammatory [serum tumornecrosis factor (TNF) α and its receptors (TNFRs)] biomarkers in 314 patients with T2D-NA...
May 3, 2018: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/29728596/microrna-143-modulates-the-expression-of-natriuretic-peptide-receptor-3-in-cardiac-cells
#7
Juan Wang, Kai Sing Tong, Lee Lee Wong, Oi-Wah Liew, Divya Raghuram, Arthur Mark Richards, Yei-Tsung Chen
Natriuretic Peptide Receptor 3 (NPR3), the clearance receptor for extracellular bio-active natriuretic peptides (NPs), plays important roles in the homeostasis of body fluid volume and vascular tone. Using luciferase reporter and antagomir-based silencing assays, we demonstrated that the expression of NPR3 could be modulated by microRNA-143 (miR-143-3p), a microRNA species with up-regulated circulating concentrations in clinical heart failure. The regulatory effect of miR-143 on NPR3 expression was further evidenced by the reciprocal relationship between miR-143 and NPR3 levels observed in hypoxia-treated human cardiac cells and in left ventricular tissue from rats undergoing experimental myocardial infarction...
May 4, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29724568/natriuretic-peptides-and-their-receptors-in-failing-heart-functional-changes-and-implications-for-treatment
#8
Katarzyna Kodziszewska, Barbara Sochanowicz, Kamil Brzóska, Mariusz Kuśmierczyk, Krzysztof Kuśmierski, Witold Śmigielski, Walerian Piotrowski, Marcin Kruszewski, Przemyslaw Leszek
No abstract text is available yet for this article.
April 9, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29720563/pharmacology-of-cardio-oncology-chronotropic-and-lusitropic-effects-of-b-type-natriuretic-peptide-in-cancer-patients-with-early-diastolic-dysfunction-induced-by-anthracycline-or-nonanthracycline-chemotherapy
#9
Pierantonio Menna, Vito Calabrese, Grazia Armento, Ombretta Annibali, Carlo Greco, Emanuela Salvatorelli, Francesco Marchesi, Giorgio Reggiardo, Giorgio Minotti
B-type natriuretic peptide (BNP) is widely used as a diagnostic marker of systolic dysfunction. We previously conducted a clinical study in which anthracycline or nonanthracycline chemotherapy did not cause systolic dysfunction in cancer patients; however, some patients showed asymptomatic alterations of diastolic relaxation while others showed persistent elevations of BNP, measured as prohormone BNP aminoterminal fragment. Here we describe post hoc pharmacological analyses showing that i) impaired relaxation and persistent elevations of BNP were mutually exclusive manifestations of diastolic dysfunction ii), in some patients BNP elevations were induced by an early compromisation of myocardial relaxation iii), BNP elevations then halted further deterioration of relaxation in a concentration-dependent manner iv), high BNP increased heart rate (HR)...
May 2, 2018: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/29702500/future-pharmacological-therapy-in-hypertension
#10
Merrill H Stewart, Carl J Lavie, Hector O Ventura
PURPOSE OF REVIEW: Hypertension (HTN) is a widespread and growing disease, with medication intolerance and side-effect present among many. To address these obstacles novel pharmacotherapy is an active area of drug development. This review seeks to explore future drug therapy for HTN in the preclinical and clinical arenas. RECENT FINDINGS: The future of pharmacological therapy in HTN consists of revisiting old pathways to find new targets and exploring wholly new approaches to provide additional avenues of treatment...
April 26, 2018: Current Opinion in Cardiology
https://www.readbyqxmd.com/read/29695045/molecular-analysis-of-sensory-axon-branching-unraveled-a-cgmp-dependent-signaling-cascade
#11
REVIEW
Alexandre Dumoulin, Gohar Ter-Avetisyan, Hannes Schmidt, Fritz G Rathjen
Axonal branching is a key process in the establishment of circuit connectivity within the nervous system. Molecular-genetic studies have shown that a specific form of axonal branching—the bifurcation of sensory neurons at the transition zone between the peripheral and the central nervous system—is regulated by a cyclic guanosine monophosphate (cGMP)-dependent signaling cascade which is composed of C-type natriuretic peptide (CNP), the receptor guanylyl cyclase Npr2, and cGMP-dependent protein kinase Iα (cGKIα)...
April 24, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29691457/metabolic-and-cardiac-adaptation-to-chronic-pharmacologic-blockade-of-facilitative-glucose-transport-in-murine-dilated-cardiomyopathy-and-myocardial-ischemia
#12
Monique R Heitmeier, Maria A Payne, Carla Weinheimer, Attila Kovacs, Richard C Hresko, Patrick Y Jay, Paul W Hruz
GLUT transgenic and knockout mice have provided valuable insight into the role of facilitative glucose transporters (GLUTs) in cardiovascular and metabolic disease, but compensatory physiological changes can hinder interpretation of these models. To determine whether adaptations occur in response to GLUT inhibition in the failing adult heart, we chronically treated TG9 mice, a transgenic model of dilated cardiomyopathy and heart failure, with the GLUT inhibitor ritonavir. Glucose tolerance was significantly improved with chronic treatment and correlated with decreased adipose tissue retinol binding protein 4 (RBP4) and resistin...
April 24, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29668847/adiponectin-determines-farnesoid-x-receptor-agonism-mediated-cardioprotection-against-post-infarction-remodeling-and-dysfunction
#13
Yunlong Xia, Fuyang Zhang, Shihao Zhao, Yueyang Li, Xiyao Chen, Erhe Gao, Xinyue Xu, Zhenyu Xiong, Xiaomeng Zhang, Jinglong Zhang, Huishou Zhao, Wei Wang, Helin Wang, Yanjie Guo, Yi Liu, Congye Li, Shan Wang, Ling Zhang, Wenjun Yan, Ling Tao
Aims: The farnesoid X receptor (FXR) is a member of the metabolic nuclear receptor superfamily that plays a critical regulatory role in cardiovascular physiology/pathology. However, the role of systemic FXR activation in the chronic phase in myocardial infarction (MI)-induced cardiac remodeling and dysfunction remains unclear. In this study, we aimed to elucidate the role of long-term FXR activation on post-MI cardiac remodeling and dysfunction. Methods and Results: Mice underwent either MI surgery or sham operation...
April 14, 2018: Cardiovascular Research
https://www.readbyqxmd.com/read/29667232/the-pleiotropic-cardiovascular-effects-of-dipeptidyl-peptidase-4-inhibitors
#14
REVIEW
Angelo Avogaro, Gian Paolo Fadini
Patients with Type 2 Diabetes have an excess risk for cardiovascular disease. One of the several approaches, included in the Guidelines for the management of Type 2 Diabetes, is based on dipeptidyl peptidase 4 (DPP-4; also termed CD26) inhibitors (DPP-4-I), also called gliptins. Gliptins inhibit the degradation of glucagon-like peptide-1 GLP-1RA: this effect is associated with increased circulating insulin-to-glucagon ratio, and a consequent reduction of HbA1c. Beside incretin hormones, there are several proteins that may be affected by DPP-4 and its inhibition: among these some are relevant for the cardiovascular system homeostasis such as SDF-1α and its receptor CXCR4, brain natriuretic peptides, neuropeptide Y, and peptide YY...
April 17, 2018: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/29667019/what-is-new-in-heart-failure-management-in-2017-update-on-acc-aha-heart-failure-guidelines
#15
REVIEW
Biykem Bozkurt
PURPOSE OF REVIEW: The goal of this paper is to provide a summary of the new recommendations in the most recent 2017 ACC/AHA/HFSA Focused Update of the 2013 ACCF/AHA Guideline for the Management of Heart Failure: A Report of the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines and the Heart Failure Society of America. The intent is to provide the background and the supporting evidence for the recommendations and to provide practical guidance for management strategies in treatment of heart failure patients...
April 17, 2018: Current Cardiology Reports
https://www.readbyqxmd.com/read/29659887/homeostasis-model-assessment-of-insulin-resistance-and-survival-in-patients-with-diabetes-and-acute-coronary-syndrome
#16
Barbara E Stähli, Anna Nozza, Ilse C Schrieks, John B Buse, Klas Malmberg, Linda Mellbin, Bruce Neal, Stephen J Nicholls, Lars Rydén, Anders Svensson, Hans Wedel, Arlette Weichert, A Michael Lincoff, Diederick E Grobbee, Jean-Claude Tardif, Gregory G Schwartz
Purpose: Insulin resistance has been linked to development and progression of atherosclerosis and is present in most patients with type 2 diabetes (T2D). Whether the degree of insulin resistance predicts adverse outcomes in patients with T2D and acute coronary syndrome (ACS) is uncertain. Methods: The AleCardio trial compared the peroxisome proliferator-activated receptor-α/γ agonist aleglitazar with placebo in patients with T2D and recent ACS. In participants not treated with insulin, we determined whether baseline homeostasis model assessment of insulin resistance (HOMA-IR, n=4303) or the change in HOMA-IR on assigned study treatment (n=3568) was related to the risk of death or major adverse cardiovascular events (MACE: cardiovascular death, myocardial infarction, and stroke) in unadjusted and adjusted models...
April 6, 2018: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29629958/guanylyl-cyclase-a-in-both-renal-proximal-tubular-and-vascular-endothelial-cells-protects-the-kidney-against-acute-injury-in-rodent-experimental-endotoxemia-models
#17
Hiroaki Kitamura, Daisuke Nakano, Yoshiharu Sawanobori, Takehiko Asaga, Hideki Yokoi, Motoko Yanagita, Masashi Mukoyama, Takeshi Tokudome, Kenji Kangawa, Gotaro Shirakami, Akira Nishiyama
BACKGROUND: Natriuretic peptides are used, based on empirical observations, in intensive care units as antioliguric treatments. We hypothesized that natriuretic peptides prevent lipopolysaccharide-induced oliguria by activating guanylyl cyclase A, a receptor for natriuretic peptides, in proximal tubules and endothelial cells. METHODS: Normal Sprague-Dawley rats and mice lacking guanylyl cyclase A in either endothelial cells or proximal tubular cells were challenged with lipopolysaccharide and assessed for oliguria and intratubular flow rate by intravital imaging with multiphoton microscopy...
April 9, 2018: Anesthesiology
https://www.readbyqxmd.com/read/29628444/ph-domain-leucine-rich-repeat-protein-phosphatase-2-phlpp2-regulates-g-protein-coupled-receptor-kinase-5-grk5-induced-cardiac-hypertrophy-in-vitro
#18
Szu-Tsen Yeh, Cristina M Zambrano, Walter J Koch, Nicole H Purcell
PH domain leucine-rich repeat protein phosphatase (PHLPP) is a serine/threonine phosphatase that has been shown to regulate cell growth and survival through dephosphorylation of several members of the AGC family of kinases. G-protein coupled receptor kinase 5 (GRK5) is an AGC kinase that regulates phenylephrine (PE) induced cardiac hypertrophy through its non-canonical function of directly targeting proteins to the nucleus to regulate transcription. Here we investigated the possibility that the PHLPP2 isoform can regulate GRK5 induced cardiomyocyte hypertrophy in neonatal rat ventricular myocytes (NRVMs)...
April 8, 2018: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29626067/endothelial-c-type-natriuretic-peptide-acts-on-pericytes-to-regulate-microcirculatory-flow-and-blood-pressure
#19
Katarina Špiranec, Wen Chen, Franziska Werner, Viacheslav O Nikolaev, Takashi Naruke, Franziska Koch, Andrea Werner, Petra Eder-Negrin, Rodrigo Diéguez-Hurtado, Ralf H Adams, Hideo A Baba, Hannes Schmidt, Kai Schuh, Boris V Skryabin, Kiavash Movahedi, Frank Schweda, Michaela Kuhn
Background -Peripheral vascular resistance has a major impact on arterial blood pressure levels. Endothelial C-type natriuretic peptide (CNP) participates in the local regulation of vascular tone but the target cells remain controversial. The cGMP-producing guanylyl cyclase-B (GC-B) receptor for CNP is expressed in vascular smooth muscle cells (VSMC). However, whereas endothelial cell-specific CNP knockout mice are hypertensive, mice with deletion of GC-B in VSMC have unaltered blood pressure. Methods -We analyzed whether the vasodilating response to CNP changes along the vascular tree, i...
April 6, 2018: Circulation
https://www.readbyqxmd.com/read/29604160/baseline-characteristics-and-enrichment-results-of-the-study-of-diabetic-nephropathy-with-atrasentan-sonar-trial
#20
Hiddo J L Heerspink, Dennis L Andress, George Bakris, John J Brennan, Ricardo Correa-Rotter, Fan Fan Hou, Dalane W Kitzman, Donald Kohan, Hirofumi Makino, John McMurray, Vlado Perkovic, Sheldon Tobe, Melissa Wigderson, Tingting Yi, Hans-Henrik Parving, Dick de Zeeuw
INTRODUCTION: The SONAR trial uses an enrichment design based on the individual response to the selective endothelin receptor antagonist atrasentan on efficacy (the degree of the individual response in urinary albumin:creatinine ratio, UACR), and safety/tolerability (signs of sodium retention and acute increases in serum creatinine) to assess the effects of this agent on major renal outcomes. The patient population and enrichment results are described here. METHODS: Patients with type 2 diabetes with estimated Glomerular Filtration Rate (eGFR) between 25 and 75 ml/min/1...
March 31, 2018: Diabetes, Obesity & Metabolism
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