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Natriuretic peptide receptor

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https://www.readbyqxmd.com/read/28202884/neurohumoral-modulation-during-waon-therapy-in-chronic-heart-failure%C3%A3-subanalysis-of-waon-chf-study
#1
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/28199174/role-of-troponins-i-and-t-and-n-terminal-prohormone-of-brain-natriuretic-peptide-in-monitoring-cardiac-safety-of-patients-with-early-stage-human-epidermal-growth-factor-receptor-2-positive-breast-cancer-receiving-trastuzumab-a-herceptin-adjuvant-study-cardiac
#2
Dimitrios Zardavas, Thomas M Suter, Dirk J Van Veldhuisen, Jutta Steinseifer, Johannes Noe, Sabine Lauer, Nedal Al-Sakaff, Martine J Piccart-Gebhart, Evandro de Azambuja
Purpose Women receiving trastuzumab with chemotherapy are at risk for trastuzumab-related cardiac dysfunction (TRCD). We explored the prognostic value of cardiac markers (troponins I and T, N-terminal prohormone of brain natriuretic peptide [NT-proBNP]) to predict baseline susceptibility to develop TRCD. We examined whether development of cardiac end points or significant left ventricular ejection fraction (LVEF) drop was associated with markers' increases. Patients and Methods Cardiac marker assessments were coupled with LVEF measurements at different time points for 533 patients from the Herceptin Adjuvant (HERA) study who agreed to participate in this study...
October 23, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28190653/discovery-and-dimeric-approach-of-novel-natriuretic-peptide-receptor-a-npr-a-agonists
#3
Takehiko Iwaki, Yoshiaki Oyama, Toshiyuki Tomoo, Taisaku Tanaka, Yoshihiko Okamura, Masako Sugiyama, Akira Yamaki, Mayumi Furuya
Novel agonists of the Natriuretic Peptide Receptor A (NPR-A) were obtained through random screening and subsequent structural modification of triazine derivatives. The key structural feature to improve in vitro activity was the dimerization of triazine monomer derivatives. The non peptide derivative 7c and 13a showed highly potent NPR-A agonistic activity in vitro and diuretic activity in vivo. These results implied that non-peptidic small molecules open the possibility of new therapy for congestive heart failure...
January 28, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28181511/natriuretic-peptide-receptor-b-modulates-the-proliferation-of-the-cardiac-cells-expressing-the-stem-cell-antigen-1
#4
Stéphanie Rignault-Clerc, Christelle Bielmann, Lucas Liaudet, Bernard Waeber, François Feihl, Nathalie Rosenblatt-Velin
Brain Natriuretic Peptide (BNP) injections in adult "healthy" or infarcted mice led to increased number of non-myocyte cells (NMCs) expressing the nuclear transcription factor Nkx2.5. The aim of this study was to identify the nature of the cells able to respond to BNP as well as the signaling pathway involved. BNP treatment of neonatal mouse NMCs stimulated Sca-1(+) cell proliferation. The Sca-1(+) cells were characterized as being a mixed cell population involving fibroblasts and multipotent precursor cells...
February 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28179209/administration-of-anabolic-steroid-during-adolescence-induces-long-term-cardiac-hypertrophy-and-increases-susceptibility-to-ischemia-reperfusion-injury-in-adult-wistar-rats
#5
Fernando de Azevedo Cruz Seara, Raiana Andrade Quintanilha Barbosa, Dahienne Ferreira de Oliveira, Diorney Luiz Souza Gran da Silva, Adriana Bastos Carvalho, Andrea Claudia Freitas Ferreira, José Hamilton Matheus Nascimento, Emerson Lopes Olivares
Chronic administration of anabolic androgenic steroids (AAS) in adult rats results in cardiac hypertrophy and increased susceptibility to myocardial ischemia/reperfusion (IR) injury. Molecular analyses demonstrated that hyperactivation of type 1 angiotensin II (AT1) receptor mediates cardiac hypertrophy induced by AAS and also induces down-regulation of myocardial ATP-sensitive potassium channel (KATP), resulting in loss of exercise-induced cardioprotection. Exposure to AAS during adolescence promoted long-term cardiovascular dysfunctions, such as dysautonomia...
February 5, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28178694/resolution-of-cheyne-stokes-respiration-after-treatment-of-heart-failure-with-sacubitril-valsartan-a-first-case-report
#6
Henrik Fox, Thomas Bitter, Dieter Horstkotte, Olaf Oldenburg
Sleep-disordered breathing (SDB) is highly prevalent in patients with heart failure (HF), and is known to be associated with a worse prognosis. The severity of central sleep apnea is thought to mirror cardiac dysfunction. The novel angiotensin receptor-neprilysin inhibitor (ARNi) sacubitril has been shown to improve HF, but a relationship between treatment with ARNi and the severity of SDB has not yet been investigated. We report the case of a 71-year-old male with HF and SDB. Treatment with sacubitril/valsartan was associated with improved cardiac function, as shown by a reduction in the level of N-terminal prohormone of brain natriuretic peptide from 3,249 to 1,720 pg/mL, and an improvement in left-ventricular ejection fraction from 30 to 35%...
February 9, 2017: Cardiology
https://www.readbyqxmd.com/read/28157737/spinal-cord-interneurons-expressing-the-gastrin-releasing-peptide-receptor-convey-itch-through-vglut2-mediated-signaling
#7
Bejan Aresh, Fabio B Freitag, Sharn Perry, Edda Blümel, Joey Lau, Marina C M Franck, Malin C Lagerström
Itch is a sensation that promotes the desire to scratch, which can be evoked by mechanical and chemical stimuli. In the spinal cord, neurons expressing the gastrin releasing peptide receptor (GRPR) have been identified as specific mediators of itch. However, our understanding of the GRPR-population in the spinal cord, and thus how these neurons exercise their functions, is limited. For this purpose, we constructed a Cre line designed to target the GRPR population of neurons (Grpr-Cre). Our analysis revealed that Grpr-Cre cells in the spinal cord are predominantly excitatory interneurons that are found in the dorsal lamina, especially in lamina II-IV...
February 1, 2017: Pain
https://www.readbyqxmd.com/read/28138984/plasma-volume-reduction-and-hematological-fluctuations-in-high-level-athletes-after-an-increased-training-load
#8
J Bejder, A B Andersen, J P Goetze, N J Aachmann-Andersen, N B Nordsborg
The time course of plasma volume (PV) reduction following an increased training load period is unknown and was investigated. The accompanying fluctuations in [Hb] and OFF-hr score were analyzed in the Athlete Biological Passport. Further, whether fluctuations in plasma albumin, soluble transferrin receptors (sTfR), and pro-atrial natriuretic peptide (proANP) concentrations correlate with PV fluctuations was investigated. Eleven high-level competitive cyclists were investigated for 3 weeks. After initial measurements in week 1, training load was increased ~250% in week 2 followed by a reversion to baseline training load in week 3...
January 30, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28138261/the-effects-of-exercise-training-and-caloric-restriction-on-the-cardiac-oxytocin-natriuretic-peptide-system-in-the-diabetic-mouse
#9
Tom L Broderick, Marek Jankowski, Jolanta Gutkowska
BACKGROUND: Regular exercise training (ET) and caloric restriction (CR) are the frontline strategies in the treatment of type 2 diabetes mellitus with the aim at reducing cardiometabolic risk. ET and CR improve body weight and glycemic control, and experimental studies indicate that these paradigms afford cardioprotection. In this study, the effects of combined ET and CR on the cardioprotective oxytocin (OT)-natriuretic peptide (NP) system were determined in the db/db mouse, a model of type 2 diabetes associated with insulin resistance, hyperglycemia, and obesity...
2017: Diabetes, Metabolic Syndrome and Obesity: Targets and Therapy
https://www.readbyqxmd.com/read/28135310/serum-soluble-urokinase-type-plasminogen-activator-receptor-is-associated-with-low-left-ventricular-ejection-fraction-and-elevated-plasma-brain-type-natriuretic-peptide-level
#10
Shu-Ichi Fujita, Suguru Tanaka, Daichi Maeda, Hideaki Morita, Tomohiro Fujisaka, Yoshihiro Takeda, Takahide Ito, Nobukazu Ishizaka
BACKGROUND: Recent studies have suggested that soluble urokinase plasminogen activator receptor (suPAR), a biomarker of subclinical levels of inflammation, is significantly correlated with cardiovascular events. PURPOSE: We investigated the association between suPAR and left ventricular ejection fraction (LVEF), left ventricular mass index (LVMI), and plasma B-type natriuretic peptide (BNP) among cardiac inpatients. METHODS AND RESULTS: In total, 242 patients (mean age 71...
2017: PloS One
https://www.readbyqxmd.com/read/28133468/changing-the-treatment-of-heart-failure-with-reduced-ejection-fraction-clinical-use-of-sacubitril-valsartan-combination
#11
REVIEW
Edgardo Kaplinsky
Despite significant therapeutic advances, patients with chronic heart failure (HF) remain at high risk of morbidity and mortality. Sacubitril valsartan (previously known as LCZ696) is a new oral agent approved for the treatment of symptomatic chronic heart failure in adults with reduced ejection fraction. It is described as the first in class angiotensin receptor neprilysin inhibitor (ARNI) since it incorporates the neprilysin inhibitor, sacubitril and the angiotensin II receptor antagonist, valsartan. Neprilysin is an endopeptidase that breaks down several vasoactive peptides including natriuretic peptides (NPs), bradykinin, endothelin and angiotensin II (Ang-II)...
November 2016: Journal of Geriatric Cardiology: JGC
https://www.readbyqxmd.com/read/28120499/three-molecular-forms-of-atrial-natriuretic-peptides-quantitative-analysis-and-biological-characterization
#12
REVIEW
Chiaki Nagai-Okatani, Kenji Kangawa, Naoto Minamino
Atrial natriuretic peptide (ANP) is primarily produced in the heart tissue and plays a pivotal role in maintaining cardiovascular homeostasis in endocrine and autocrine/paracrine systems and has clinical applications as a biomarker and a therapeutic agent for cardiac diseases. ANP is synthesized by atrial cardiomyocytes as a preprohormone that is processed by a signal peptidase and stored in secretory granules as a prohormone. Subsequent proteolytic processing of ANP by corin during the secretion process results in a bioactive form consisting of 28 amino acid residues...
January 25, 2017: Journal of Peptide Science: An Official Publication of the European Peptide Society
https://www.readbyqxmd.com/read/28117181/prognostic-stratification-in-pulmonary-hypertension-a-multi-biomarker-approach
#13
Rui Plácido, Nuno Cortez-Dias, Susana Robalo Martins, Ana Gomes Almeida, Carina Calisto, Susana Gonçalves, Malha Sadoune, António Nunes Diogo, Alexandre Mebazaa, Fausto José Pinto
INTRODUCTION: Pulmonary hypertension (PH) covers a group of conditions characterized by an increase in pulmonary vascular resistance leading to right ventricular failure. Risk stratification is crucial for adequate prognostic and therapeutic assessment. However, the accuracy of conventional parameters is limited, especially biomarkers. OBJECTIVES: To determine the prognostic value of new biomarkers and their combination in a multi-biomarker approach to predict outcome in patients with PH...
February 2017: Portuguese Journal of Cardiology: An Official Journal of the Portuguese Society of Cardiology
https://www.readbyqxmd.com/read/28105731/liraglutide-effects-on-cardiovascular-risk-biomarkers-in-patients-with-type-2-diabetes-and-albuminuria-a-sub-analysis-of-a-randomised-placebo-controlled-double-blind-cross-over-trial
#14
Bernt Johan von Scholten, Frederik Persson, Signe Rosenlund, Jesper Eugen-Olsen, Tomasz Pielak, Jens Faber, Tine Willum Hansen, Peter Rossing
: We assessed the effects of liraglutide treatment on five cardiovascular risk biomarkers, reflecting different pathophysiology: 1) Tumour necrosis factor-alpha (TNF-alpha); 2) Soluble urokinase plasminogen activator receptor (suPAR); 3) Mid-regional pro-adrenomedullin (MR-proADM); 4) Mid-regional pro-atrial natriuretic peptide (MR-proANP); and 5) Copeptin, in type 2 diabetes patients with albuminuria. In a randomised, double-blind, placebo-controlled, cross-over trial we enrolled patients with type 2 diabetes and persistent albuminuria (urinary albumin-to-creatinine ratio (UACR) > 30 mg/g) and estimated glomerular filtration rate (eGFR) ≥ 30 mL/min/1...
January 20, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28101584/myeloprotective-effects-of-c-type-natriuretic-peptide-on-cisplatin-induced-bone-marrow-granulocytopenia-in-mice
#15
Masahiro Zenitani, Takashi Nojiri, Toru Kimura, Hiroshi Hosoda, Koichi Miura, Jun Hino, Kengo Nakahata, Shuichiro Uehara, Mikiya Miyazato, Takaharu Oue, Hiroomi Okuyama, Kenji Kangawa
PURPOSE: Cisplatin is an effective chemotherapeutic agent used to treat a variety of malignant tumors. The major toxicity associated with cisplatin treatment is granulocytopenia. C-type natriuretic peptide (CNP), a member of the natriuretic peptide family, protects against toxicity in many organs, including the heart, blood vessels, lung, and kidney. The objective of this study was to investigate the myeloprotective effects of CNP in a mouse model of cisplatin-induced granulocytopenia...
January 18, 2017: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/28100627/inflammatory-biomarkers-predict-heart-failure-severity-and-prognosis-in-patients-with-heart-failure-with-preserved-ejection-fraction-a-holistic-proteomic-approach
#16
Camilla Hage, Erik Michaëlsson, Cecilia Linde, Erwan Donal, Jean-Claude Daubert, Li-Ming Gan, Lars H Lund
BACKGROUND: Underlying mechanisms in heart failure (HF) with preserved ejection fraction remain unknown. We investigated cardiovascular plasma biomarkers in HF with preserved ejection fraction and their correlation to diastolic dysfunction, functional class, pathophysiological processes, and prognosis. METHODS AND RESULTS: In 86 stable patients with HF and EF ≥45% in the Karolinska Rennes (KaRen) biomarker substudy, biomarkers were quantified by a multiplex immunoassay...
February 2017: Circulation. Cardiovascular Genetics
https://www.readbyqxmd.com/read/28096425/correction-to-antibody-tracking-demonstrates-cell-type-specific-and-ligand-independent-internalization-of-guanylyl-cyclase-a-and-natriuretic-peptide-receptor-c
#17
(no author information available yet)
No abstract text is available yet for this article.
February 2017: Molecular Pharmacology
https://www.readbyqxmd.com/read/28096344/atrial-natriuretic-peptide-regulates-adipose-tissue-accumulation-in-adult-atria
#18
Nadine Suffee, Thomas Moore-Morris, Patrick Farahmand, Catherine Rücker-Martin, Gilles Dilanian, Magali Fradet, Daigo Sawaki, Geneviève Derumeaux, Pascal LePrince, Karine Clément, Isabelle Dugail, Michel Puceat, Stéphane N Hatem
The abundance of epicardial adipose tissue (EAT) is associated with atrial fibrillation (AF), the most frequent cardiac arrhythmia. However, both the origin and the factors involved in EAT expansion are unknown. Here, we found that adult human atrial epicardial cells were highly adipogenic through an epithelial-mesenchymal transition both in vitro and in vivo. In a genetic lineage tracing the WT1(CreERT2+/-)Rosa(tdT+/-) mouse model subjected to a high-fat diet, adipocytes of atrial EAT derived from a subset of epicardial progenitors...
January 31, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28091624/paracrine-cross-talk-between-skeletal-muscle-and-macrophages-in-exercise-by-pgc-1%C3%AE-controlled-bnp
#19
Regula Furrer, Petra S Eisele, Alexander Schmidt, Markus Beer, Christoph Handschin
Activation of resident and infiltrating immune cells is a central event in training adaptation and other contexts of skeletal muscle repair and regeneration. A precise orchestration of inflammatory events in muscle fibers and immune cells is required after recurrent contraction-relaxation cycles. However, the mechanistic aspects of this important regulation remain largely unknown. We now demonstrate that besides a dominant role in controlling cellular metabolism, the peroxisome proliferator-activated receptor γ co-activator 1α (PGC-1α) also has a profound effect on cytokine expression in muscle tissue...
January 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28079534/practical-efficacy-of-olmesartan-versus-azilsartan-in-patients-with-hypertension-a-multicenter-randomized-controlled-trial-muscat-4-study
#20
Yuki Kakio, Haruhito A Uchida, Ryoko Umebayashi, Hidemi Takeuchi, Yuka Okuyama, Yoshihisa Hanayama, Jun Wada
BACKGROUND: Olmesartan and azilsartan, angiotensin II receptor blockers (ARBs), are expected to decrease blood pressure more than the other ARBs. We conducted randomized-controlled trials to compare the practical efficacy of olmesartan with azilsartan. METHODS: Eighty-four patients treated with the conventional ARBs for more than 3 months were assigned randomly to receive either 20 mg of olmesartan (olmesartan medoxomil, OL group) or 20 mg of azilsartan (azilsartan, not azilsartan medoxomil, AZ group) once daily for 16 weeks...
January 10, 2017: Blood Pressure Monitoring
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