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Biology of natriuretic peptides

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https://www.readbyqxmd.com/read/28987949/zingiberis-rhizoma-mediated-enhancement-of-the-pharmacological-effect-of-aconiti-lateralis-radix-praeparata-against-acute-heart-failure-and-the-underlying-biological-mechanisms
#1
Lu Zhang, Xiaohua Lu, Jiabo Wang, Pengyan Li, Haotian Li, Shizhang Wei, Xuelin Zhou, Kun Li, Lifu Wang, Ruilin Wang, Yanling Zhao, Xiaohe Xiao
Aconiti Lateralis Radix Praeparata (Fuzi), a type of Chinese materia medica, has been used to treat acute and chronic heart failure (HF) in traditional Chinese medicine and has been proven in numerous animal studies. It is also well-known that Zingiberis Rhizoma (Ganjiang) is ineffective in the treatment of HF, but it can enhance the anti-HF effect of Fuzi. However, the mechanism underlying this compatibility is still not well investigated. To investigate this mechanism, a model of acute heart failure (AHF) in SD rats induced by propafenone hydrochloride was established in this study...
October 5, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28985241/short-term-high-salt-diet-increases-corin-level-to-regulate-the-salt-water-balance-in-humans-and-rodents
#2
Jiao Zhang, Yanjun Yin, Lili Chen, Chao Chu, Yang Wang, Yongbo Lv, Ming He, Marcy Martin, Po-Hsun Huang, Jian-Jun Mu, John Y-J Shyy, Zu-Yi Yuan
Background: Dietary sodium and potassium affect the fluctuation in blood pressure and renal function. Corin, with its enzymatic activity to convert pro-atrial natriuretic peptide (pro-ANP) to biologically active ANP, regulates blood pressure, cardiac and renal functions. We investigated whether corin expression responds to a high-salt (HS) diet to regulate salt and water balance. Methods and results: Forty-two volunteers followed 3 sequential diets for 7 days each: a low-salt (LS) diet (3...
August 8, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/28861997/profiling-b-type-natriuretic-peptide-cleavage-peptidoforms-in-human-plasma-by-capillary-electrophoresis-with-electrospray-ionization-mass-spectrometry
#3
Shenyan Zhang, Koen Raedschelders, Marcia Santos, Jennifer E Van Eyk
B-type Natriuretic Peptide (BNP) is a biologically active circulating hormone. Plasma concentrations of BNP are routinely used in the diagnosis of heart failure, and the intravenous infusion of recombinant BNP can be used for heart failure treatment. Like many bioactive polypeptides, multiple plasma enzymes are known to cleave circulating BNP, and as part of the CVD-B/D-HPP mandate, we sought to develop a technique capable of profiling these catabolic processes in plasma. We used a neutral-coated capillary electrophoresis-electrospray ionization (CESI) separation system coupled with high-resolution mass spectrometry to profile the proteolysis of exogenous recombinant BNP1-32 in plasma...
October 2, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28809748/new-issues-on-measurement-of-b-type-natriuretic-peptides
#4
Aldo Clerico, Martina Zaninotto, Claudio Passino, Mario Plebani
The measurement of the active hormone of B-type natriuretic peptide (BNP) system actually has several analytical limitations and difficulties in clinical interpretations compared to that of inactive peptide N-terminal proBNP (NT-proBNP) because of the different biochemical and pathophysiological characteristics of two peptides and quality specifications of commercial immunoassay methods used for their measurement. Because of the better analytical characteristics of NT-proBNP immunoassays and the easier pathophysiological and clinical interpretations of variations of NT-proBNP levels in patients with heart failure (HF), some authors claimed to measure the inactive peptide NT-proBNP instead of the active hormone BNP for management of HF patients...
August 15, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28757153/hemodynamic-determinants-of-the-biological-variation-of-nt-probnp-in-patients-with-stable-systolic-chronic-heart-failure
#5
Tobias Täger, Ann-Kathrin Wiedergruen, Hanna Fröhlich, Rita Cebola, Anna Corletto, Andrea Horsch, Georg Hess, Karen Slottje, Dietmar Zdunek, Hugo A Katus, Frank H Wians, Lutz Frankenstein
BACKGROUND: Biological variation of amino-terminal probrain natriuretic peptide (NT-proBNP) in chronic heart failure (CHF) may affect blood levels and risk stratification. The sources of NT-proBNP variation are unknown. METHODS AND RESULTS: We performed NT-proBNP measurements, clinical and hemodynamic assessment in 50 patients with HFrEF who met criteria for clinical stability at 2 time intervals. Hemodynamic variables were measured using inert gas rebreathing and impedance cardiography...
July 27, 2017: Journal of Cardiac Failure
https://www.readbyqxmd.com/read/28751838/anmco-elas-sibioc-consensus-document-biomarkers-in-heart-failure
#6
Nadia Aspromonte, Michele Massimo Gulizia, Aldo Clerico, Giuseppe Di Tano, Michele Emdin, Mauro Feola, Massimo Iacoviello, Roberto Latini, Andrea Mortara, Roberto Valle, Gianfranco Misuraca, Claudio Passino, Serge Masson, Alberto Aimo, Marcello Ciaccio, Marco Migliardi
Biomarkers have dramatically impacted the way heart failure (HF) patients are evaluated and managed. A biomarker is a characteristic that is objectively measured and evaluated as an indicator of normal biological or pathogenic processes, or pharmacological responses to a therapeutic intervention. Natriuretic peptides [B-type natriuretic peptide (BNP) and N-terminal proBNP] are the gold standard biomarkers in determining the diagnosis and prognosis of HF, and a natriuretic peptide-guided HF management looks promising...
May 2017: European Heart Journal Supplements: Journal of the European Society of Cardiology
https://www.readbyqxmd.com/read/28748765/biomarkers-in-aortic-valve-stenosis-and-their-clinical-significance-in-transcatheter-aortic-valve-implantation
#7
Konstantinos Toutouzas, Konstantinos Stathogiannis, George Latsios, Andreas Synetos, Maria Drakopoulou, Vicky Penesopoulou, Archontoula Michelongona, Eleftherios Tsiamis, Dimitris Tousoulis
Aortic valve stenosis is one of the most common valvular heart disorders and the prevalence will rise as the population ages. Once symptomatic, patients with aortic valve stenosis tend to fare worse with high mortality rates. Aortic valve replacement is indicated in these patients and besides the standard surgical replacement; a less invasive approach, transcatheter aortic valve implantation, has gained momentum and has showed promising and solid results in patients with high surgical risk. An important aspect of evaluating patients with aortic valve stenosis is the ability to choose the best possible candidate for the procedure...
July 27, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28714548/role-of-the-protease-corin-in-chondrogenic-differentiation-of-human-bone-marrow-derived-mesenchymal-stem-cells
#8
Haibin Zhou, Jinsong Zhu, Meng Liu, Qingyu Wu, Ningzheng Dong
Mesenchymal stem cells (MSCs) have the potency to differentiate into chondrocytes, osteocytes and adipocytes. Corin is a cardiac protease that activates the natriuretic peptides, thereby regulating blood volume and pressure. In addition to the heart, corin gene up-regulation was reported in bone marrow- and adipose tissue-derived MSCs that underwent osteogenic differentiation. To date, the biological significance of corin expression in MSC differentiation remains unknown. In this study, we isolated and cultured human bone marrow-derived MSCs that were capable of undergoing chondrogenic, osteogenic and adipogenic lineage differentiation...
July 17, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28651038/brief-report-association-of-elevated-adipsin-levels-with-pulmonary-arterial-hypertension-in-systemic-sclerosis
#9
Benjamin D Korman, Roberta Goncalves Marangoni, Monique Hinchcliff, Sanjiv J Shah, Mary Carns, Aileen Hoffmann, Rosalind Ramsey-Goldman, John Varga
OBJECTIVE: Adipose tissues secrete adipokines, peptides with potent effects modulating fibrosis, inflammation, and vascular homeostasis. Dysregulated adipose tissue biology and adipokine balance have recently been implicated in systemic sclerosis (SSc). This study was undertaken to determine whether altered circulating adipokine levels correlate with SSc disease subsets or clinical manifestations. METHODS: Multiplex assays were used to measure circulating adipokine levels in 198 patients with SSc and 33 healthy controls...
October 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28626572/optical-control-of-a-receptor-linked-guanylyl-cyclase-using-a-photoswitchable-peptidic-hormone
#10
Tom Podewin, Johannes Broichhagen, Christina Frost, Dieter Groneberg, Julia Ast, Helena Meyer-Berg, Nicholas H F Fine, Andreas Friebe, Martin Zacharias, David J Hodson, Dirk Trauner, Anja Hoffmann-Röder
The optical control over biological function with small photoswitchable molecules has gathered significant attention in the last decade. Herein, we describe the design and synthesis of a small library of photoswitchable peptidomimetics based upon human atrial natriuretic peptide (ANP), in which the photochromic amino acid [3-(3-aminomethyl)phenylazo]phenylacetic acid (AMPP) is incorporated into the peptide backbone. The endogeneous hormone ANP signals via the natriuretic peptide receptor A (NPR-A) through raising intracellular cGMP concentrations, and is involved in blood pressure regulation and sodium homeostasis, as well as lipid metabolism and pancreatic function...
June 1, 2017: Chemical Science
https://www.readbyqxmd.com/read/28617995/investigation-of-an-n-terminal-prohormone-of-brain-natriuretic-peptide-point-of-care-elisa-in-clinically-normal-cats-and-cats-with-cardiac-disease
#11
A N Harris, S S Beatty, A H Estrada, B Winter, M Bohannon, I Sosa, J Hanscom, C A Mainville, A E Gallagher
BACKGROUND: N-terminal prohormone of brain natriuretic peptide (NT-proBNP) concentrations may be increased in cats with various cardiac disorders. The point-of-care (POC) ELISA assay uses the same biologic reagents as the quantitative NT-proBNP ELISA. Previous studies have evaluated the sensitivity and specificity of the POC ELISA in cats with cardiac disease. OBJECTIVES: To prospectively evaluate the diagnostic utility of the POC ELISA in a select population of cats...
July 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28611096/thymosin-beta-4-is-elevated-in-women-with-heart-failure-with-preserved-ejection-fraction
#12
Chester L Drum, Warren K Y Tan, Siew-Pang Chan, Leroy S Pakkiri, Jenny P C Chong, Oi-Wah Liew, Tze-Pin Ng, Lieng-Hsi Ling, David Sim, Kui-Toh G Leong, Daniel P S Yeo, Hean-Yee Ong, Fazlur Jaufeerally, Raymond C C Wong, Ping Chai, Adrian F Low, Pia Davidsson, Mathias Liljeblad, Ann-Sofi Söderling, Li-Ming Gan, Ratan V Bhat, Kristy Purnamawati, Carolyn S P Lam, A Mark Richards
BACKGROUND: Thymosin beta-4 (TB4) is an X-linked gene product with cardioprotective properties. Little is known about plasma concentration of TB4 in heart failure (HF), and its relationship with other cardiovascular biomarkers. We sought to evaluate circulating TB4 in HF patients with preserved (HFpEF) or reduced (HFrEF) ejection fraction compared to non-HF controls. METHODS AND RESULTS: TB4 was measured using a liquid chromatography and mass spectrometry assay in age- and sex-matched HFpEF (n=219), HFrEF (n=219) patients, and controls (n=219) from a prospective nationwide study...
June 13, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28552863/atrial-natriuretic-peptide%C3%A3-old-but-new-therapeutic-in-cardiovascular-diseases
#13
Tomoko Ichiki, John C Burnett
With the discovery of atrial natriuretic peptide (ANP), the heart as an endocrine organ was established. Basic science revealed that ANP, through the particulate guanylyl cyclase A receptor and cGMP, plays a fundamental role in cardiorenal biology. This work has led to the development of ANP as a therapeutic, especially in heart failure (HF). Human genomics has strengthened our understanding of ANP, revealing specific ANP gene variants that may be associated with biological dysfunction, but also may mediate protective properties, including in metabolic syndrome...
June 23, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28451751/natriuretic-peptide-activation-of-extracellular-regulated-kinase-1-2-erk1-2-pathway-by-particulate-guanylyl-cyclases-in-gh3-somatolactotropes
#14
Kim C Jonas, Timothy Melrose, Iain R Thompson, Gary F Baxter, Victoria J Lipscomb, Stijn J Niessen, Charlotte Lawson, Craig A McArdle, Mark S Roberson, Imelda M McGonnell, Caroline P Wheeler-Jones, Robert C Fowkes
The natriuretic peptides, Atrial-, B-type and C-type natriuretric peptides (ANP, BNP, CNP), are regulators of many endocrine tissues and exert their effects predominantly through the activation of their specific guanylyl cyclase receptors (GC-A and GC-B) to generate cGMP. Whereas cGMP-independent signalling has been reported in response to natriuretic peptides, this is mediated via either the clearance receptor (Npr-C) or a renal-specific NPR-Bi isoform, which both lack intrinsic guanylyl cyclase activity. Here, we report evidence of GC-B-dependent cGMP-independent signalling in pituitary GH3 cells...
April 27, 2017: Cell and Tissue Research
https://www.readbyqxmd.com/read/28451444/shared-biomarkers-between-female-diastolic-heart-failure-and-pre-eclampsia-a-systematic-review-and-meta-analysis
#15
REVIEW
Lisa J Alma, Anouk Bokslag, Angela H E M Maas, Arie Franx, Walter J Paulus, Christianne J M de Groot
Evidence accumulates for associations between hypertensive pregnancy disorders and increased cardiovascular risk later. The main goal of this study was to explore shared biomarkers representing common pathogenic pathways between heart failure with preserved ejection fraction (HFpEF) and pre-eclampsia where these biomarkers might be potentially eligible for cardiovascular risk stratification in women after hypertensive pregnancy disorders. We sought for blood markers in women with diastolic dysfunction in a first literature search, and through a second search, we investigated whether these same biochemical markers were present in pre-eclampsia...
May 2017: ESC Heart Failure
https://www.readbyqxmd.com/read/28398362/-the-relationship-between-natriuretic-peptides-and-neprilysin-pathways-the-clinical-simplification-against-the-complexity-of-biological-systems
#16
Giuseppe Di Tano, Aldo Clerico
A large body of evidence supports the use of natriuretic peptides (brain natriuretic peptide [BNP] and N-terminal proBNP [NT-proBNP]) for the evaluation and management of patients with heart failure over time. Elevated values reflect an enhanced counterregulatory response to hemodynamic stress and are indicative of heart failure severity, thus predicting prognosis. The clinical relevance and result interpretation of natriuretic peptides for monitoring therapy are still debated, and our understanding of their complex nature is still far from being complete...
February 2017: Giornale Italiano di Cardiologia
https://www.readbyqxmd.com/read/28384411/kallikrein-kinin-system-as-the-dominant-mechanism-to-counteract-hyperactive-renin-angiotensin-system
#17
Domenico Regoli, Fernand Gobeil
The renin-angiotensin system (RAS) generates, maintains, and makes worse hypertension and cardiovascular diseases (CVDs) through its biologically active component angiotensin II (Ang II), that causes vasoconstriction, sodium retention, and structural alterations of the heart and the arteries. A few endogenous vasodilators, kinins, natriuretic peptides, and possibly angiotensin (1-7), exert opposite actions and may provide useful therapeutic agents. As endothelial autacoids, the kinins are potent vasodilators, active natriuretics, and protectors of the endothelium...
October 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28337152/maintaining-the-phenotype-stability-of-chondrocytes-derived-from-mscs-by-c-type-natriuretic-peptide
#18
Quan Shi, Zhiyong Qian, Donghua Liu, Jie Sun, Juan Xu, Ximin Guo
Mesenchymal stem cells (MSCs) play a critical role in cartilage tissue engineering. However, MSCs-derived chondrocytes or cartilage tissues are not stable and easily lose the cellular and cartilage phenotype during long-term culture in vitro or implantation in vivo. As a result, chondrocytes phenotypic instability can contribute to accelerated ossification. Thus, it is a big challenge to maintain their correct phenotype for engineering hyaline cartilage. As one member of the natriuretic peptide family, C-type natriuretic peptide (CNP) is found to correlate with the development of the cartilage, affect the chondrocytes proliferation and differentiation...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28285069/sacubitril-valsartan-the-newest-addition-to-the-toolbox-for-guideline-directed-medical-therapy-of-heart-failure
#19
REVIEW
Jo E Rodgers
Sacubitril/valsartan combines a neprilysin inhibitor with an angiotensin receptor blocker. As an inhibitor of neprilysin, an enzyme that degrades biologically active natriuretic peptides, this first-in-class therapy increases levels of circulating natriuretic peptides, resulting in natriuretic, diuretic, and vasodilatory effects. In patients with chronic New York Heart Association class II-IV heart failure with reduced ejection fraction, the PARADIGM-HF trial demonstrated that sacubitril/valsartan significantly reduced the primary endpoint of cardiovascular mortality and heart failure hospitalization, compared with enalapril...
June 2017: American Journal of Medicine
https://www.readbyqxmd.com/read/28279423/alternative-biomarkers-for-combined-biology
#20
REVIEW
Yong-Hyun Kim, Jennifer Kirsop, Wai Hong Wilson Tang
Chemotherapy-related cardiac dysfunction (CRCD) has challenged clinicians to hesitate in using cardiotoxic agents such as anthracycline and several protein kinase inhibitors. As early detection of CRCD and timely cessation of cardiotoxic agents became a strategy to avoid CRCD, cardiac troponin and natriuretic peptide are measured to monitor cardiotoxicity; however, there are inconsistencies in their predictability of CRCD. Alternative biomarkers have been researched extensively for potential use as more sensitive and accurate biomarkers...
April 2017: Heart Failure Clinics
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