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Natriuretic peptide receptor

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https://www.readbyqxmd.com/read/29353438/examination-of-pituitary-adenylate-cyclase-activating-polypeptide-pacap-as-a-potential-biomarker-in-heart-failure-patients
#1
Zsolt Sarszegi, Dora Szabo, Balazs Gaszner, Attila Konyi, Dora Reglodi, Jozsef Nemeth, Beata Lelesz, Beata Polgar, Adel Jungling, Andrea Tamas
Pituitary adenylate cyclase-activating polypeptide (PACAP) is a pleiotropic and multifunctional neuropeptide having neurotrophic, neuroprotective, and general cytoprotective actions in a variety of tissues based on its anti-apoptotic, anti-inflammatory, and antioxidant effects. Several studies have demonstrated its cardioprotective effects in vitro and in various animal models. However, few data are available on the presence of PACAP in human cardiac tissues and its role in the pathomechanism and progression of different cardiac disorders, particularly heart failure...
January 20, 2018: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/29350882/cardiac-function-by-three-dimensional-speckle-tracking-imaging-and-cytokines-in-kawasaki-disease
#2
Masataka Kato, Mamoru Ayusawa, Hirofumi Watanabe, Akiko Komori, Yuriko Abe, Takahiro Nakamura, Hiroshi Kamiyama, Shori Takahashi
BACKGROUND: IT is well known that serum N-terminal pro brain natriuretic peptide (NT-proBNP) tends to elevate in acute phase of Kawasaki disease (KD), but the cause of NT-proBNP elevation has not been clarified. Our previous study revealed that cardiac function evaluated by two-dimensional echocardiography (2D-E) such as ejection fraction (EF) was normal. However, cardiac function evaluated by 2D-E does not reflect subtle change of cardiac dysfunction and the relation has still been controversial...
January 19, 2018: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/29348496/natriuretic-peptides-promote-glucose-uptake-in-a-cgmp-dependent-manner-in-human-adipocytes
#3
Marine Coué, Valentin Barquissau, Pauline Morigny, Katie Louche, Corinne Lefort, Aline Mairal, Christian Carpéné, Nathalie Viguerie, Peter Arner, Dominique Langin, Mikael Rydén, Cedric Moro
Robust associations between low plasma level of natriuretic peptides (NP) and increased risk of type 2 diabetes (T2D) have been recently reported in humans. Adipose tissue (AT) is a known target of NP. However it is unknown whether NP signalling in human AT relates to insulin sensitivity and modulates glucose metabolism. We here show in two European cohorts that the NP receptor guanylyl cyclase-A (GC-A) expression in subcutaneous AT was down-regulated as a function of obesity grade while adipose NP clearance receptor (NPRC) was up-regulated...
January 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29344085/synthesis-secretion-function-metabolism-and-application-of-natriuretic-peptides-in-heart-failure
#4
REVIEW
Shihui Fu, Ping Ping, Fengqi Wang, Leiming Luo
As a family of hormones with pleiotropic effects, natriuretic peptide (NP) system includes atrial NP (ANP), B-type NP (BNP), C-type NP (CNP), dendroaspis NP and urodilatin, with NP receptor-A (guanylate cyclase-A), NP receptor-B (guanylate cyclase-B) and NP receptor-C (clearance receptor). These peptides are genetically distinct, but structurally and functionally related for regulating circulatory homeostasis in vertebrates. In humans, ANP and BNP are encoded by NP precursor A (NPPA) and NPPB genes on chromosome 1, whereas CNP is encoded by NPPC on chromosome 2...
2018: Journal of Biological Engineering
https://www.readbyqxmd.com/read/29336068/isatin-an-endogenous-nonpeptide-biofactor-a-review-of-its-molecular-targets-mechanisms-of-actions-and-their-biomedical-implications
#5
REVIEW
Alexei Medvedev, Olga Buneeva, Oksana Gnedenko, Pavel Ershov, Alexis Ivanov
Isatin (indole-2,3-dione) is an oxidized indole. It is widely distributed in mammalian tissues and body fluids, where isatin concentrations vary significantly from <0.1 to > 10 µM. Isatin output is increased under conditions of stress. Exogenously administered isatin is characterized by low toxicity, mutagenicity, and genotoxicity in vivo. Cytotoxic effects of isatin on various cell cultures are usually observed at concentrations exceeding 100 µM. Binding of [3 H]isatin to rat brain sections is consistent with its physiological concentrations...
January 16, 2018: BioFactors
https://www.readbyqxmd.com/read/29334670/genetic-ablation-of-trpv1-exacerbates-pressure-overload-induced-cardiac-hypertrophy
#6
Beihua Zhong, Jack Rubinstein, Shuangtao Ma, Donna H Wang
Transient receptor potential vanilloid 1 (TRPV1) channels expressed in sensory nerves may regulate vascular tone and cardiovascular function via their anti-inflammatory effects by releasing neuropeptide calcitonin gene-related peptide (CGRP). Inflammation plays a role in the progression of cardiac hypertrophy and TRPV1 activation may be key to cardiac inflammatory processes. The aim of this study was to test the hypothesis that TRPV1 modulates inflammatory processes to protect the heart from pressure overload-induced hypertrophy and inflammatory responses...
January 12, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29326144/a-new-secretory-peptide-of-natriuretic-peptide-family-osteocrin-suppresses-the-progression-of-congestive-heart-failure-after-myocardial-infarction
#7
Takahiro Miyazaki, Kentaro Otani, Ayano Chiba, Hirohito Nishimura, Takeshi Tokudome, Haruko Watanabe-Takano, Ayaka Matsuo, Hiroyuki Ishikawa, Keiko Shimamoto, Hajime Fukui, Yugo Kanai, Akihiro Yasoda, Soshiro Ogata, Kunihiro Nishimura, Naoto Minamino, Naoki Mochizuki
Rationale: An increase of severe ischemic heart diseases results in an increase of the patients with congestive heart failure (CHF). Therefore, new therapies are expected in addition to recanalization of coronary arteries. Previous clinical trials using natriuretic peptides (NPs) prove the improvement of CHF by NPs. Objective: We aimed at investigating whether osteocrin (OSTN) peptide potentially functioning as an NP clearance receptor (NPR3)-blocking peptide can be used as a new therapeutic peptide for treating CHF after myocardial infarction (MI) using animal models...
January 11, 2018: Circulation Research
https://www.readbyqxmd.com/read/29325796/lcz696-sacubitril-valsartan-an-angiotensin-receptor-neprilysin-inhibitor-attenuates-cardiac-hypertrophy-fibrosis-and-vasculopathy-in-a-rat-model-of-chronic-kidney-disease
#8
Yasunori Suematsu, Wanghui Jing, Ane Nunes, Moti L Kashyap, Mahyar Khazaeli, Nosratola D Vaziri, Hamid Moradi
BACKGROUND: Chronic kidney disease (CKD) is associated with cardiac hypertrophy, fibrosis and increased risk of cardiovascular mortality. LCZ696 (Sacubitril/valsartan) is a promising agent which has shown significant potential in treatment of heart failure. We hypothesized that LCZ696 is more effective than valsartan alone in treatment of cardiovascular abnormalities associated with experimental CKD. METHODS AND RESULTS: Male Sprague Dawley rats underwent 5/6 nephrectomy and were subsequently randomized to no treatment (CKD), 30 mg/kg valsartan (VAL), or 60 mg/kg LCZ696 (LCZ)...
January 8, 2018: Journal of Cardiac Failure
https://www.readbyqxmd.com/read/29313168/clinical-and-prognostic-usefulness-of-soluble-urokinase-plasminogen-activator-receptor-in-hemodialysis-patients
#9
Rafał Nikodem Wlazeł, Iwona Szadkowska, Piotr Bartnicki, Kinga Rośniak-Bąk, Jacek Rysz
PURPOSE: Considering its prognostic usefulness and the relationship with chronic kidney disease, we analyzed the clinical utility of soluble urokinase plasminogen activator receptor (suPAR) in end-stage renal disease patients undergoing hemodialysis treatment. We focused on the association between suPAR levels and clinical outcomes, especially those related to cardiovascular events and mortality as well as the effect of hemodialysis on the protein levels. METHODS: We enrolled 64 patients...
January 8, 2018: International Urology and Nephrology
https://www.readbyqxmd.com/read/29311539/tolvaptan-for-fluid-management-in-living-donor-liver-transplant-recipients
#10
Shunichi Imai, Masahiro Shinoda, Hideaki Obara, Minoru Kitago, Taizo Hibi, Yuta Abe, Hiroshi Yagi, Kentaro Matsubara, Hisanobu Higashi, Osamu Itano, Yuko Kitagawa
BACKGROUND Tolvaptan, an antagonist of the vasopressin V2 receptor is a novel oral diuretic that promotes water excretion selectively. We have used furosemide as a primary diuretic and added human atrial natriuretic peptide (hANP) if necessary for fluid management postoperatively in living-donor liver transplantation (LDLT) recipients. Recently we introduced tolvaptan and used both tolvaptan and furosemide as primary diuretics. MATERIAL AND METHODS Clinical outcomes were compared between LDLT recipients whose postoperative fluid management was performed before (control group, n=10) and after (tolvaptan group, n=16) introduction of tolvaptan...
January 9, 2018: Annals of Transplantation: Quarterly of the Polish Transplantation Society
https://www.readbyqxmd.com/read/29311252/pazopanib-induced-hypertension-in-patients-with-renal-cell-carcinoma-is-associated-with-low-urine-excretion-of-no-metabolites
#11
Anne Robdrup Tinning, Camilla Bengtsen, Niels Viggo Jensen, Lars Bastholt, Boye Lagerbon Jensen, Kirsten Madsen
Drugs targeting VEGF (vascular endothelial growth factor) are often associated with rapid development of hypertension by a yet not fully understood mechanism. VEGF is expressed in renal epithelial cells and stimulates NO production. In the renal medulla, inhibition of NO formation by local L-NAME or by impaired endothelin-1 leads to hypertension. The present study was designed to test the hypothesis that VEGF receptor inhibitor treatment leads to hypertension through decreased renal medullary formation of NO and endothelin-1...
January 8, 2018: Hypertension
https://www.readbyqxmd.com/read/29310647/have-dipeptidyl-peptidase-4-inhibitors-ameliorated-the-vascular-complications-of-type-2-diabetes-in-large-scale-trials-the-potential-confounding-effect-of-stem-cell-chemokines
#12
REVIEW
Milton Packer
Drugs that inhibit dipeptidyl peptidase-4 (DPP-4) are conventionally regarded as incretin-based agents that signal through the glucagon-like peptide-1 (GLP-1) receptor. However, inhibition of DPP-4 also potentiates the stem cell chemokine, stromal cell-derived factor-1 (SDF-1), which can promote inflammation, proliferative responses and neovascularization. In large-scale cardiovascular outcome trials, enhanced GLP-1 signaling has reduced the risk of atherosclerotic ischemic events, potentially because GLP-1 retards the growth and increases the stability of atherosclerotic plaques...
January 8, 2018: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/29295870/effect-of-liraglutide-on-atrial-natriuretic-peptide-adrenomedullin-and-copeptin-in-pcos
#13
Signe Frøssing, Malin Nylander, Caroline Kistorp, Sven O Skouby, Jens Faber
CONTEXT: Women with polycystic ovary syndrome (PCOS) have an increased risk of cardiovascular disease (CVD), and biomarkers can be used to detect early subclinical CVD. Midregional-pro-adrenomedullin (MR-proADM), midregional-pro-atrial natriuretic peptide (MR-proANP) and copeptin are all associated with CVD and part of the delicate system controlling fluid and hemodynamic homeostasis through vascular tonus and diuresis. The GLP-1 receptor agonist liraglutide, developed for treatment of type 2 diabetes (T2D), improves cardiovascular outcomes in patients with T2D including a decrease in particular MR-proANP...
January 2018: Endocrine Connections
https://www.readbyqxmd.com/read/29287795/hif-1%C3%AE-l-pgds-ppar%C3%AE-regulates-hypoxia-induced-anp-secretion-in-beating-rat-atria
#14
Xiang Li, Ying Zhang, Bo Zhang, Xia Liu, Lan Hong, Li-Ping Liu, Cheng-Zhe Wu, Xun Cui
Lipocalin-type prostaglandin D synthase (L-PGDS) and peroxisome proliferator activated receptor γ (PPARγ) play important roles in cardiovascular diseases. Nevertheless, effects of hypoxia-inducible factor 1α (HIF-1α) on L-PGDS and PPARγ protein levels and its role in hypoxia-induced atrial natriuretic peptide (ANP) secretion are unclear. In perfused beating rat atria, we observed that hypoxia significantly increased HIF-1α protein levels and stimulated ANP secretion, while upregulating L-PGDS. Hypoxia-induced ANP secretion was clearly attenuated by HIF-1α antagonist 2-methoxyestradiol, downregulating both HIF-1α and L-PGDS protein levels...
December 26, 2017: Prostaglandins & Other Lipid Mediators
https://www.readbyqxmd.com/read/29274625/inhibition-of-myocardial-hypertrophy-by-magnesium-isoglycyrrhizinate-through-the-tlr4-nf-%C3%AE%C2%BAb-signaling-pathway-in-mice
#15
REVIEW
Donglai Ma, Jianping Zhang, Yuanyuan Zhang, Xuan Zhang, Xue Han, Tao Song, Ying Zhang, Li Chu
Magnesium isoglycyrrhizinate (MgIG) is a magnesium salt of the 18-α glycyrrhizic acid stereoisomer that has exhibited hepato-protective effects and has anti-inflammatory, antioxidant, and antiviral activities. Here, we have investigated the effects and potential mechanisms of action of MgIG, with respect to myocardial fibrosis induced by isoproterenol (ISO) in mice. Mice were administered MgIG for 14days, with concurrent ISO dosing, and were sacrificed two weeks later. Lactate dehydrogenase (LDH) and creatine kinase (CK) concentrations were measured in the blood...
December 20, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/29273600/deficiency-of-natriuretic-peptide-receptor-2-promotes-bicuspid-aortic-valves-aortic-valve-disease-left-ventricular-dysfunction-and-ascending-aortic-dilatations-in-mice
#16
Mark C Blaser, Kuiru Wei, Rachel L Adams, Yu-Qing Zhou, Laura-Lee Caruso, Zahra Mirzaei, Alan Lam, Richard K Tam, Hangjun Zhang, Scott P Heximer, Mark Henkelman, Craig A Simmons
Rationale: Aortic valve disease is a cell-mediated process without effective pharmacotherapy. C-type natriuretic peptide (CNP) inhibits myofibrogenesis and osteogenesis of cultured valve interstitial cells (VICs), and is downregulated in stenotic aortic valves. However, it is unknown whether CNP signaling regulates aortic valve health in vivo. Objective: To determine whether a deficient CNP signaling axis in mice causes accelerated progression of aortic valve disease. Methods and Results: In cultured porcine VICs, CNP inhibited pathological differentiation via the guanylate cyclase natriuretic peptide receptor 2 (NPR2) and not the G-protein-coupled clearance receptor NPR3...
December 22, 2017: Circulation Research
https://www.readbyqxmd.com/read/29249795/cardiac-hypertrophy-and-brain-natriuretic-peptide-levels-in-an-ovariectomized-rat-model-fed-a-high-fat-diet
#17
Gleisy Kelly Goncalves, Thiago Henrique Caldeira de Oliveira, Najara de Oliveira Belo
BACKGROUND Heart failure in women increases around the time of menopause when high-fat diets may result in obesity. The heart produces brain natriuretic peptide (BNP), also known as B-type natriuretic peptide. This aims of this study were to assess cardiac hypertrophy and BNP levels in ovariectomized rats fed a high-fat diet. MATERIAL AND METHODS Forty-eight female Wistar rats were divided into four groups: sham-operated rats fed a control diet (SC) (n=12); ovariectomized rats fed a control diet (OC) (n=12); sham-operated rats fed a high-fat diet (SF) (n=12); and ovariectomized rats fed a high-fat diet (OF) (n=12)...
December 18, 2017: Medical Science Monitor Basic Research
https://www.readbyqxmd.com/read/29246363/cardiac-biomarkers-in-youth-with-type-2-diabetes-mellitus-results-from-the-today-study
#18
RANDOMIZED CONTROLLED TRIAL
Samuel S Gidding, Fida Bacha, Petter Bjornstad, Lorraine E Levitt Katz, Lynne L Levitsky, Jane Lynch, Jeanie B Tryggestad, Ruth S Weinstock, Laure El Ghormli, Joao A C Lima
OBJECTIVES: To examine cardiac biomarkers over time in youth-onset type 2 diabetes, and relate serum concentrations to cardiovascular disease risk factors, and left ventricular structure and function. STUDY DESIGN: TODAY (Treatment Options for type 2 Diabetes in Adolescents and Youth) was a multicenter randomized trial of 3 treatments including 521 participants with type 2 diabetes, aged 10-17 years, and with 2-6 years of follow-up. Participants were 36% male, obese, and ethnically diverse...
January 2018: Journal of Pediatrics
https://www.readbyqxmd.com/read/29242602/altered-heart-rate-regulation-by-the-autonomic-nervous-system-in-mice-lacking-natriuretic-peptide-receptor-c-npr-c
#19
Motahareh Moghtadaei, Ellen Langille, Sara A Rafferty, Oleg Bogachev, Robert A Rose
Natriuretic peptides (NPs) play essential roles in the regulation of cardiovascular function. NP effects are mediated by receptors known as NPR-A, NPR-B or NPR-C. NPs have potent effects on regulation of heart rate (HR) by the autonomic nervous system (ANS), but the role of NPR-C in these effects has not been investigated. Accordingly, we have used telemetric ECG recordings in awake, freely moving wildtype and NPR-C knockout (NPR-C-/-) mice and performed heart rate variability (HRV) analysis to assess alterations in sympatho-vagal balance on the heart following loss of NPR-C...
December 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29238844/cardiomyokines-from-the-heart
#20
REVIEW
Ayano Chiba, Haruko Watanabe-Takano, Takahiro Miyazaki, Naoki Mochizuki
The heart is regarded as an endocrine organ as well as a pump for circulation, since atrial natriuretic peptide (ANP) and brain natriuretic peptide (BNP) were discovered in cardiomyocytes to be secreted as hormones. Both ANP and BNP bind to their receptors expressed on remote organs, such as kidneys and blood vessels; therefore, the heart controls the circulation by pumping blood and by secreting endocrine peptides. Cardiomyocytes secrete other peptides besides natriuretic peptides. Although most of such cardiomyocyte-derived peptides act on the heart in autocrine/paracrine fashions, several peptides target remote organs...
December 13, 2017: Cellular and Molecular Life Sciences: CMLS
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