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https://www.readbyqxmd.com/read/29028084/expression-and-clinical-significance-of-aquaporin-1-and-et-1-in-urine-of-children-with-congenital-hydronephrosis
#1
Y Yu, Y-F Kang, K-S Li, Z-H Chen, L Zhang, H-M Zhang, M Zhang
OBJECTIVE: Congenital hydronephrosis is induced by congenital obstruction of uretero pelvic junction, bladder vesicoureteral reflux, posterior urethral valve, stricture of ureter end and ureterocyst, which is extremely apt to cause end-stage renal failure in children. It becomes significant to explore the expression profile and clinical significance of aquaporin-1 (AQP-1) and ET-1 (endothelin-1) in the urine of children with congenital hydronephrosis. PATIENTS AND METHODS: 80 cases of children with congenital hydronephrosis were selected to be the observation group and another 40 cases of children with other diseases were served as control group...
September 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29028080/roles-of-hypoxia-inducible-factor-1%C3%AE-and-its-target-genes-in-neonatal-hypoxic-pulmonary-hypertension
#2
C-F Han, Z-Y Li, T-H Li
OBJECTIVE: To investigate the role of hypoxia-inducible factor-1α and its target genes in hypoxic pulmonary hypertension in neonates. PATIENTS AND METHODS: A total of 117 newborns were selected and divided into two groups for clinical experiments: 85 cases in the hypoxic pulmonary hypertension (HPH) group, including mild, moderate and severe subgroups, and 32 cases in the case-control group. ELISA was used to detect the serum HIF-1α, endothelin-1 (ET-1) and adrenomedullin (ADM) levels, and echocardiography was used to detect the dynamic changes in pulmonary artery systolic pressure (PASP), right ventricular ejection fraction (RVEF), tricuspid E peak and A peak ratio (E/A) and right ventricular Tei index...
September 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29025575/biomarkers-in-pulmonary-vascular-disease-gauging-response-to-therapy
#3
Timothy J McMahon, Nathan S Bryan
Biomarkers are increasingly being investigated in the treatment of pulmonary vascular disease. In particular, the signaling pathways targeted by therapies for pulmonary arterial hypertension provide biomarkers that potentially can be used to guide therapy and to assess clinical response as an alternative to invasive procedures such as right-sided cardiac catheterization. Moreover, the growing use of combination therapy for both the initial and subsequent treatment of pulmonary arterial hypertension highlights the need for biomarkers in this treatment approach...
October 15, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/29018989/effects-of-prior-aerobic-exercise-on-sitting-induced-vascular-dysfunction-in-healthy-men
#4
Kevin D Ballard, Robert M Duguid, Craig W Berry, Priyankar Dey, Richard S Bruno, Rose Marie Ward, Kyle L Timmerman
INTRODUCTION: Acute aerobic exercise prevents sitting-induced impairment of flow-mediated dilation (FMD). Further, evidence suggests that sitting-induced impairment of FMD occurs via an oxidative stress-dependent mechanism that disrupts endothelial function. PURPOSE: We hypothesized that acute aerobic exercise would prevent impairment of femoral artery FMD by limiting oxidative stress responses that increase endothelin-1 (ET-1) levels and disrupt nitric oxide (NO) status...
October 10, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29018955/the-effect-of-laminin-1-on-enteric-neural-crest-derived-cell-migration-in-the-hirschsprung-s-disease-mouse-model
#5
Nana Nakazawa-Tanaka, N Fujiwara, K Miyahara, S Nakada, E Arikawa-Hirasawa, C Akazawa, M Urao, A Yamataka
BACKGROUND/AIM: Laminin-1 regulates neurite outgrowth in various neuronal cells. We have previously demonstrated that laminin-1 promotes enteric neural crest-derived cell (ENCC) migration by using Sox10-VENUS transgenic mice, in which ENCCs are labeled with a green fluorescent protein, Venus. Mice lacking the endothelin-B receptor gene, Ednrb (-/-) mice, are widely used as a model for Hirschsprung's disease (HD). The aim of this study was to investigate the effects of laminin-1on ENCC migration in Sox10-VENUS(+)/Ednrb (-/-) mice, a newly created HD mice model...
October 10, 2017: Pediatric Surgery International
https://www.readbyqxmd.com/read/29018813/cardiovascular-consequences-of-repetitive-arousals-over-the-entire-sleep-duration
#6
Yanyan Wu, Rong Huang, Xu Zhong, Yi Xiao
OBJECTIVES: To explore the cardiovascular effects of nightlong repetitive arousals (RA). METHODS: Twenty healthy subjects participated in two consecutive sleep studies. The first one was free of intervention and the second study involved repetitive arousals induced by acoustical stimuli. Blood pressure, heart rate variability (HRV), arterial stiffness index (ASI), and serum markers including nitric oxide (NO), endothelin-1 (ET-1), C-reactive protein (CRP), interleukin-6 (IL-6), tumor necrosis factor-α (TNF-α), and vascular endothelial growth factor (VEGF) were studied...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28992172/points-to-consider-in-renal-involvement-in-systemic-sclerosis
#7
REVIEW
Felice Galluccio, Ulf Müller-Ladner, Daniel E Furst, Dinesh Khanna, Marco Matucci-Cerinic
This article discusses points to consider when undertaking a clinical trial to test therapy for renal involvement in SSc, not including scleroderma renal crisis. Double-blind, randomized controlled trials vs placebo or standard background therapy should be strongly considered. Inclusion criteria should consider a pre-specified range of renal functions or stratification of renal function. Gender and age limitations are probably not necessary. Concomitant medications including vasodilators, immunosuppressants and endothelin receptor antagonists and confounding illnesses such as diabetes, kidney stones, hypertension and heart failure need to be considered...
September 1, 2017: Rheumatology
https://www.readbyqxmd.com/read/28990414/biomarkers-of-endothelial-renal-and-platelet-dysfunction-in-stage-5-chronic-kidney-disease-hemodialysis-patients-with-heart-failure
#8
Ryan McMillan, Leonidas Skiadopoulos, Debra Hoppensteadt, Nil Guler, Vinod Bansal, Ravipresenna Parasuraman, Jawed Fareed
The aim of this study was to determine the role of endothelial, renal, and inflammatory biomarkers in the pathogenesis of heart failure (HF) in patients with stage 5 chronic kidney disease (CKD5) undergoing maintenance hemodialysis (HD). Plasma levels of biomarkers-kidney injury molecule 1 (KIM-1), N-terminal pro brain natriuretic peptide (NT-proBNP), glycated hemoglobin, neutrophil gelatinase-associated lipocalin, interleukin-18,platelet-derived growth factor, platelet factor 4 (PF4), 25-OH vitamin D, parathyroid hormone (PTH), endothelin, and endocan-were measured in CKD5-HD patients at the Loyola University Ambulatory Dialysis facility...
January 1, 2017: Clinical and Applied Thrombosis/hemostasis
https://www.readbyqxmd.com/read/28985491/tanshinone-iia-ameliorated-endothelial-dysfunction-in-rats-with-chronic-intermittent-hypoxia
#9
Lingling Chen, Qiu-Hong Guo, Yue Chang, Ya-Shuo Zhao, Ai-Ying Li, En-Sheng Ji
Chronic intermittent hypoxia (CIH) during repetitive airflow cessations may cause endothelial dysfunction. Tanshinone IIA (Tan IIA) has been used to treat various circulatory disturbance-related diseases because of its pharmacological actions, including vasodilation. However, the mechanism of the effect of its vasodilation is not well established. The objective of this study was to explore the effect of Tan IIA in endothelium-dependent contracting factors and endothelin receptors in aortic endothelial dysfunction in CIH rats...
June 30, 2017: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
https://www.readbyqxmd.com/read/28983681/altered-expression-of-laminin-alpha1-in-aganglionic-colon-of-endothelin-receptor-b-null-mouse-model-of-hirschsprung-s-disease
#10
Naho Fujiwara, Nana Nakazawa-Tanaka, Katsumi Miyahara, Eri Arikawa-Hirasawa, Chihiro Akazawa, Atsuyuki Yamataka
PURPOSE: Laminin, an extracellular matrix molecule, is essential for normal development of the nervous system. The alpha1 subunit of laminin-1 (LAMA1) has been reported to promote neurites and outgrowth and is expressed only during embryogenesis. Previously, we developed a Sox10 transgenic version of the Endothelin receptor-B (Ednrb) mouse to visualize Enteric neural crest-derived cell (ENCC)s with a green fluorescent protein, Venus. We designed this study to investigate the expression of LAMA1 using Sox10-VENUS mice gut...
October 5, 2017: Pediatric Surgery International
https://www.readbyqxmd.com/read/28982333/cerebral-artery-vasoconstriction-is-endothelin-1-dependent-requiring-neurogenic-and-adrenergic-crosstalk
#11
Roel H L Haeren, Sieuwke A Hartmans, Jo De Mey, Govert Hoogland, Jim Dings, Olaf E M G Schijns, Sander M J van Kuijk, Kim Rijkers, Paul Schiffers, Koo J van Overbeeke
BACKGROUND: The regulation of cerebral arterial vasomotor tone involves several mechanisms. The role of sympathetic nerves and the adrenergic neurotransmitter, noradrenaline (NA), has been subject of debate for decades. Moreover, the specific role of endothelin-1 (ET-1) in cerebral arterial vasoconstriction has not been elucidated to date. In this study, we evaluated the contribution of NA and ET-1 to cerebral artery vasoconstriction. METHODS: Arterial responses of rat middle cerebral arteries, and human pial cerebral arteries to cumulative concentrations of NA and ET-1, and to electrical field stimulation (EFS), were evaluated...
October 5, 2017: Current Neurovascular Research
https://www.readbyqxmd.com/read/28981444/central-mediators-of-the-zymosan-induced-febrile-response
#12
Amanda Leite Bastos-Pereira, Daniel Fraga, Arturo Alejandro Dreifuss, Aleksander Roberto Zampronio
BACKGROUND: Zymosan is a fungal cell wall protein-carbohydrate complex that is known to activate inflammatory pathways through the Toll-like receptors and is commonly used to induce fever. Nevertheless, the central mediators that are involved in the zymosan-induced febrile response are only partially known. METHODS: The present study evaluated the participation of prostaglandins, substance P, endothelin-1 (ET-1), and endogenous opioids (eOPs) in the zymosan-induced febrile response by using inhibitors and antagonists in male Wistar rats...
October 5, 2017: Journal of Basic and Clinical Physiology and Pharmacology
https://www.readbyqxmd.com/read/28980281/evaluating-the-effects-of-cardiac-resynchronization-therapy-on-pathophysiological-pathways-of-heart-failure-using-surrogate-biomarkers
#13
Hamza Sunman, Adem Özkan, Hikmet Yorgun, Uğur Canpolat, Erdem Karabulut, Tülin Bayrak, Ergün Barış Kaya, Lale Tokgözoğlu, Necla Özer, Asuman Özkara, Kudret Aytemir, Ali Oto
BACKGROUND: Several studies have investigated the effects of cardiac resynchronization therapy (CRT) on heart failure (HF), but none have evaluated the pathophysiological pathways involved in a single group of patients. Therefore, this study aims to assess the long-term effects of CRT on six different pathophysiological pathways involved in the process of HF by the use of surrogate biomarkers. METHODS: In a group 44 patients with HF, six groups of biomarkers were measured, both at baseline and 1 year after CRT implantation: Inflammation (interleukin [IL]-4, IL-6, tumor necrosis factor [TNF]-α, high sensitive C-reactive protein [hsCRP]); oxidative stress (myeloperoxidase, oxidized low-density lipoprotein [oxLDL], uric acid); extracellular matrix (ECM) remodeling (matrix metalloproteinase [MMP]-2 and -9, galectin-3, procollagen III N-terminal propeptide [prokol-3NT]); neurohormonal pathways (endothelin-1, chromogranin-A); myocyte injury (troponin T, creatine kinase MB fraction [CK-MB]), myocyte stress (B-type natriuretic peptide [BNP])...
October 5, 2017: Cardiology Journal
https://www.readbyqxmd.com/read/28978803/involvement-of-the-metabolic-sensor-gpr81-in-cardiovascular-control
#14
Kristina Wallenius, Pia Thalén, Jan-Arne Björkman, Petra Johannesson, John Wiseman, Gerhard Böttcher, Ola Fjellström, Nicholas D Oakes
GPR81 is a receptor for the metabolic intermediate lactate with an established role in regulating adipocyte lipolysis. Potentially novel GPR81 agonists were identified that suppressed fasting plasma free fatty acid levels in rodents and in addition improved insulin sensitivity in mouse models of insulin resistance and diabetes. Unexpectedly, the agonists simultaneously induced hypertension in rodents, including wild-type, but not GPR81-deficient mice. Detailed cardiovascular studies in anesthetized dogs showed that the pressor effect was associated with heterogenous effects on vascular resistance among the measured tissues: increasing in the kidney while remaining unchanged in hindlimb and heart...
October 5, 2017: JCI Insight
https://www.readbyqxmd.com/read/28977804/vascular-dynamics-and-peripheral-oxygen-uptake-in-obese-individuals-during-progressive-physical-exercise
#15
Amelia Brunani, Stefano Lanzi, Franco Codecasa, Mauro Cornacchia, Sabrina Maestrini, Davide Soranna, Antonella Zambon, Stefania Cattaldo, Paolo Fanari, Davide Malatesta, Alberto Salvadori
BACKGROUND: Obese men show higher O2 consumption than lean men during physical exercise, with a trend toward higher peripheral O2 extraction; this is probably due to their larger muscle mass. OBJECTIVES: The aim of this study was to examine this phenomenon by measuring 2 vasoactive substances, endothelin-1 (ET-1) and nitric oxide (NO), during a progressive submaximal exercise. METHODS: Seventeen obese (body mass index [BMI] 38.6) and 15 lean (BMI 22...
October 5, 2017: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/28977677/signaling-cascades-activated-by-uvb-in-human-melanocytes-lead-to-the-increased-expression-of-melanocyte-receptors-endothelin-b-receptor-and-c-kit-%C3%A2
#16
Shuko Terazawa, Genji Imokawa
A single exposure of normal human melanocytes (NHMs) to ultraviolet B (UVB) radiation induces a distinct increase in the expression of c-KIT and endothelin B receptor (EDNRB) and up-regulates the expression of microphthalmia-associated transcription factor (MITF). In this review, we clarify the signaling mechanisms by which UVB stimulates the expression of MITF in NHMs, thus leading to up-regulation of those two important melanogenic receptors. The increased expression of MITF in UVB-exposed NHMs is accompanied by a markedly stimulated and prolonged phosphorylation of p38/CREB...
October 4, 2017: Photochemistry and Photobiology
https://www.readbyqxmd.com/read/28976905/endothelin-1-gene-polymorphisms-rs5370-rs1476046-and-rs3087459-are-not-associated-with-diabetic-nephropathy-in-caucasians-with-type-2-diabetes-mellitus
#17
Maja Šeruga, Stojan Kariž, Jana Makuc, Matej Završnik, Ines Cilenšek, Katarina Gazdikova, Martin Caprnda, Peter Kruzliak, Daniel Petrovič
BACKGROUND: Diabetic nephropathy (DN) is a major microvascular complication of type 2 diabetes mellitus (T2DM). Several lines of evidence implicate the endothelin (ET) system in the pathophysiology of DN. The aim of the present study was to analyze if genetic polymorphisms of the ET-1 (EDN1) gene affect susceptibility to DN in Caucasians with T2DM. MATERIALS AND METHODS: The study population consisted of 651 Caucasian subjects with T2DM of more than 10 years' duration: 276 patients with DN (cases) and 375 patients without evidence of DN (controls)...
September 1, 2017: Folia Medica
https://www.readbyqxmd.com/read/28975093/association-of-endothelin-1-rs5370-g-t-gene-polymorphism-with-the-risk-of-nephrotic-syndrome-in-children
#18
Mohammad Hashemi, Simin Sadeghi-Bojd, Soheib Aryanezhad, Maryam Rezaei
BACKGROUND: Primary nephrotic syndrome (NS) is a common kidney disease in children. Objectives: The present study was aimed to investigate whether rs5370 G>T (lys198Asn) genetic variant of endothelin-1 (ET-1) is involved in the susceptibility to NS. PATIENTS AND METHODS: This case-control study was performed on 138 patients with NS and 150 healthy children. Genomic DNA was extracted from whole blood using salting out method. Polymorphism of the ET-1 rs5370 G>T (lys198Asn) polymorphism detected by T-ARMS-PCR as well as PCR-RFLP method...
July 2017: Journal of Nephropathology
https://www.readbyqxmd.com/read/28971988/high-dietary-sodium-causes-dyssynchrony-of-the-renal-molecular-clock-in-rats
#19
Joshua S Speed, Kelly A Hyndman, Kaehler J Roth, Jonathan Brett Heimlich, Malgorzata Kasztan, Brandon M Fox, Jermaine G Johnston, Bryan K Becker, Chunhua Jin, Karen L Gamble, Martin E Young, Jennifer S Pollock, David M Pollock
Dyssynchrony of circadian rhythms are associated with various disorders, including cardiovascular and metabolic diseases. The cell autonomous molecular clock maintains circadian control, however, environmental factors that may cause circadian dyssynchrony either within or between organ systems are poorly understood. Our lab recently reported that the endothelin B (ETB) receptor functions to facilitate Na+ excretion in a time of day dependent manner. Therefore, the current study was designed to determine whether high salt (HS) intake leads to circadian dyssynchrony within the kidney, and whether the renal endothelin system contributes to control of the renal molecular clock...
September 27, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28971844/traf3ip2-mediates-high-glucose-induced-endothelin-1-production-as-well-as-endothelin-1-induced-inflammation-in-endothelial-cells
#20
Jaume Padilla, Andrea Carpenter, Nitin Das Das, Hemanth K Kandikattu, Susana Lopez-Ongil, Luis A Martinez-Lemus, Ulrich Siebenlist, Vincent G DeMarco, Bysani Chandrasekar
Hyperglycemia-induced production of endothelin-1 (ET-1) is a hallmark of endothelial dysfunction in diabetes. While the detrimental vascular effects of increased ET-1 are well-known, the molecular mechanisms regulating endothelial synthesis of ET-1 in the setting of diabetes remain largely unidentified. Here we show that adapter molecule TRAF3 Interacting Protein 2 (TRAF3IP2) mediates high glucose-induced ET-1 production in endothelial cells and ET-1-mediated endothelial cell inflammation. Specifically, we found that high glucose upregulated TRAF3IP2 in human aortic endothelial cells, which subsequently led to activation of c-Jun N-terminal kinase (JNK) and IκB kinase beta (IKKβ)...
September 29, 2017: American Journal of Physiology. Heart and Circulatory Physiology
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