Redundancy reduction for improved display and analysis of body surface potential maps. II. Temporal compression.

abstract：RATIONALE:Plasminogen activator inhibitor-1 (PAI-1) is a biomarker for several vascular disease states; however, its target of action within the vessel wall is undefined. OBJECTIVE:Determine the ability of PAI-1 to regulate myoendothelial junction (MEJ) formation. METHODS AND RESULTS:MEJs are found throughout the vas...

journal_title：Circulation research

authors： Heberlein KR,Straub AC,Best AK,Greyson MA,Looft-Wilson RC,Sharma PR,Meher A,Leitinger N,Isakson BE

更新日期：2010-04-02 00:00:00

abstract：:The rate of renin secretion from renal juxtaglomerular (JG) cells is the major determinant of the activity of the renin-angiotensin system. However, the mechanisms involved in the excretion and turnover of secretory granules in the JG cells remain obscure. Therefore, in the present study, the whole-cell patch-clamp te...

journal_title：Circulation research

authors： Friis UG,Jensen BL,Aas JK,Skøtt O

更新日期：1999-04-30 00:00:00

abstract：:To elucidate the local effects of renin in the coronary circulation, we examined local angiotensin (Ang) I and II formation, as well as coronary vasoconstriction in response to renin administration, and compared the effects with exogenous infused Ang I. We perfused isolated hearts from rats overexpressing the human an...

journal_title：Circulation research

authors： Müller DN,Fischli W,Clozel JP,Hilgers KF,Bohlender J,Ménard J,Busjahn A,Ganten D,Luft FC

更新日期：1998-01-09 00:00:00

abstract：:The structure of the mouse natriuretic peptide type-B (BNP) gene was determined by isolating and sequencing genomic clones. The mouse BNP gene was structurally similar to other natriuretic peptide genes and comprised three exons and two introns. Expression of the mouse BNP gene was found only in cardiac tissue as dete...

journal_title：Circulation research

authors： Steinhelper ME

更新日期：1993-05-01 00:00:00

abstract：:The direct oral anticoagulants (DOACs) represent a major advance in oral anticoagulant therapy and have replaced the vitamin K antagonists as the preferred treatment for many indications. By simplifying long-term anticoagulant therapy and improving its safety, the DOACs have the potential to reduce the global burden o...

journal_title：Circulation research

authors： Chan NC,Eikelboom JW,Weitz JI

更新日期：2016-04-29 00:00:00

abstract：:Purkinje cells contain sarcoplasmic reticulum (SR) directly under the surface membrane, are devoid of t-tubuli, and are packed with myofibrils surrounded by central SR. Several studies have reported that electrical excitation induces a biphasic Ca(2+) transient in Purkinje fiber bundles. We determined the nature of th...

journal_title：Circulation research

authors： Boyden PA,Pu J,Pinto J,Keurs HE

更新日期：2000-03-03 00:00:00

abstract：:We have shown previously that tyrosine 319 in a conserved YIPP motif in the C terminus of angiotensin II (Ang II) type 1 receptors (AT(1)Rs) is essential for transactivation of epidermal growth factor receptor (EGFR) in vitro. We hypothesized that the signaling mechanism mediated through the specific amino acid sequen...

journal_title：Circulation research

authors： Zhai P,Galeotti J,Liu J,Holle E,Yu X,Wagner T,Sadoshima J

更新日期：2006-09-01 00:00:00

abstract：:Osteopontin (OPN) is a multifunctional cytokine that is strongly expressed in healing wounds and fibrotic lesions, both of which are characterized by the formation of myofibroblasts. We examined the role of OPN in myofibroblast differentiation induced by the profibrotic cytokine transforming growth factor-beta1. In cu...

journal_title：Circulation research

authors： Lenga Y,Koh A,Perera AS,McCulloch CA,Sodek J,Zohar R

更新日期：2008-02-15 00:00:00

abstract：:Local alterations in the hemodynamic environment regulate endothelial cell function, but the signal-transduction mechanisms involved in this process remain unclear. Because mitogen-activated protein (MAP) kinases have been shown to be activated by physical forces, we measured the phosphorylation and enzyme activity of...

journal_title：Circulation research

authors： Tseng H,Peterson TE,Berk BC

更新日期：1995-11-01 00:00:00

abstract：:The proteoglycan versican is implicated in several atherogenic events, including stimulation of vascular smooth muscle cell (VSMC) growth and migration, retention of lipoproteins, and promotion of thrombogenesis. A high content of intimal versican also correlates with a low content of elastin, suggesting an inhibitory...

journal_title：Circulation research

authors： Huang R,Merrilees MJ,Braun K,Beaumont B,Lemire J,Clowes AW,Hinek A,Wight TN

更新日期：2006-02-17 00:00:00

abstract：:Left ventricular (LV) remodeling after experimental myocardial infarction (MI) is associated with hypertrophy of noninfarcted myocardium and electrophysiological alterations. We have recently shown that post-MI hypertrophied LV myocytes have prolonged action potential duration (APD) and generate triggered activity fro...

journal_title：Circulation research

authors： Gidh-Jain M,Huang B,Jain P,el-Sherif N

更新日期：1996-10-01 00:00:00

abstract：:During cardiac development, the epicardium is the source of multipotent mesenchymal cells, which give rise to endothelial and smooth muscle cells in coronary vessels and also, possibly, to cardiomyocytes. The aim of the present study was to determine whether stem cells are retained in the adult human and murine epicar...

journal_title：Circulation research

authors： Limana F,Zacheo A,Mocini D,Mangoni A,Borsellino G,Diamantini A,De Mori R,Battistini L,Vigna E,Santini M,Loiaconi V,Pompilio G,Germani A,Capogrossi MC

更新日期：2007-12-07 00:00:00

abstract：:Spatial electrical heterogeneity has a profound effect on normal cardiac electrophysiology and genesis of cardiac arrhythmias in diseased hearts. The Na+-Ca2+ exchanger (NCX) is a key linker, through Ca2+ signaling, between contractility and arrhythmias. Here we characterize the differential transmural expression of N...

journal_title：Circulation research

authors： Xiong W,Tian Y,DiSilvestre D,Tomaselli GF

更新日期：2005-08-05 00:00:00

abstract：:Despite the absence of a systematic development plan, β-blockers have reached the top tier of medical therapies for chronic heart failure. The successful outcome was due to the many dedicated investigators who produced, over a 30-year period, increasing evidence that β-blocking agents should or actually did improve th...

journal_title：Circulation research

authors： Bristow MR

更新日期：2011-10-28 00:00:00

abstract：RATIONALE:Although the health effects of beta carotene have been studied extensively, a systematic examination of serum concentrations and long-term mortality, including cardiovascular disease mortality, has not been reported. OBJECTIVE:Explore whether serum beta carotene is associated with overall and cause-specific ...

journal_title：Circulation research

authors： Huang J,Weinstein SJ,Yu K,Männistö S,Albanes D

更新日期：2018-12-07 00:00:00

abstract：:Oxidation converts low-density lipoprotein (LDL) into a cytotoxin in vitro. Oxidized LDL exists in vivo in atherosclerotic lesions and possibly in plasma. Many cell functions are altered in vitro by oxidized LDL, but few have been examined in vivo. To test whether oxidized LDL could injure endothelial cells and alter ...

journal_title：Circulation research

authors： Rangaswamy S,Penn MS,Saidel GM,Chisolm GM

更新日期：1997-01-01 00:00:00

abstract：:Cardiac hypertrophy induced by thyrotoxic stress leads to an increase in the rate of force development, velocity of shortening, tension-dependent heat generation, and myosin ATPase activity. We did studies to see whether alterations in covalent phosphorylation of myofibrillar proteins correlate with these changes. The...

journal_title：Circulation research

authors： Litten RZ 3rd,Martin BJ,Howe ER,Alpert NR,Solaro RJ

更新日期：1981-04-01 00:00:00

abstract：:We tested the hypothesis that activation of transient receptor potential vanilloid type-1 (TRPV1) by capsaicin prevents adipogenesis. TRPV1 channels in 3T3-L1-preadipocytes and visceral adipose tissue from mice and humans were detected by immunoblotting and quantitative real-time RT-PCR. The effect of TRPV1 on cytosol...

journal_title：Circulation research

authors： Zhang LL,Yan Liu D,Ma LQ,Luo ZD,Cao TB,Zhong J,Yan ZC,Wang LJ,Zhao ZG,Zhu SJ,Schrader M,Thilo F,Zhu ZM,Tepel M

更新日期：2007-04-13 00:00:00

abstract：:Insulin-like growth factor I (IGF-I) is a widely distributed mitogen that mediates the growth-promoting effects of platelet-derived growth factor in mesenchymal cells. We show that rat aortic IGF-I messenger RNA (mRNA) is induced 24 hours after deendothelialization, at a time when smooth muscle cell proliferation with...

journal_title：Circulation research

authors： Cercek B,Fishbein MC,Forrester JS,Helfant RH,Fagin JA

更新日期：1990-06-01 00:00:00

abstract：:Vascular disease in diabetics could arise in part from altered vessel wall catebolism. Specific activities of hydrolases in aortic smooth muscle cells from rats with streptozotocin-induced diabetes were measured. Enyzmes included: neutral alpha-glucosidase, alpha-mannosidase, and lysosomal N-acetyl beta-glucosaminidas...

journal_title：Circulation research

authors： Wolinsky H,Goldfischer S,Capron L,Capron F,Coltoff-Schiller B,Kasak L

更新日期：1978-06-01 00:00:00

abstract：:Ryanodine receptor (RyR) phosphorylation by protein kinase A (PKA) may be important in modulating resting sarcoplasmic reticulum (SR) Ca2+ release, especially in heart failure. However, clear cellular data on PKA-dependent modulation of cardiac RyRs is limited because of difficulty in distinguishing between PKA effect...

journal_title：Circulation research

authors： Li Y,Kranias EG,Mignery GA,Bers DM

更新日期：2002-02-22 00:00:00

abstract：:Synthetic atrial natriuretic factor (ANF) was either added to suffusate solutions (30 nM) or infused into the jugular vein (0.1 nanomol/min/100 g) of anesthetized rats. Steady-state blood flow was calculated from arteriolar diameter and red blood cell velocity measurements using video microscopy in the intestinal or s...

journal_title：Circulation research

authors： Proctor KG,Bealer SL

更新日期：1987-07-01 00:00:00

abstract：:Advances in immunosuppression have decreased the incidence of acute rejection, but the development of vasculopathy in the coronary arteries of transplants continues to limit the survival of cardiac allografts. Transplant vasculopathy has also been referred to as accelerated graft arteriosclerosis because it has featur...

journal_title：Circulation research

authors： Wehner J,Morrell CN,Reynolds T,Rodriguez ER,Baldwin WM 3rd

更新日期：2007-02-02 00:00:00

abstract：:The effects of Bay K 8644 on the high-threshold calcium channel was investigated by means of the whole-cell patch-clamp technique in single guinea pig ventricular myocytes. The goal of the experiments was to characterize the inhibitory effects of Bay K 8644 on the calcium channel, and identify the factors that influen...

journal_title：Circulation research

authors： Hadley RW,Hume JR

更新日期：1988-01-01 00:00:00

abstract：:We studied the effects of rapid atrial pacing during the final 10 minutes of a 70-minute, 31% reduction in coronary blood flow in anesthetized swine to understand the significance of apparent metabolic improvements during the initial 60 minutes of segmental ischemia. Within 5-10 minutes of ischemia, subendocardial pho...

journal_title：Circulation research

authors： Arai AE,Pantely GA,Anselone CG,Bristow J,Bristow JD

更新日期：1991-12-01 00:00:00

abstract：:Adipose tissue (AT) plays a central role in both metabolic health and pathophysiology. Its expansion in obesity results in increased mortality and morbidity, with contributions to cardiovascular disease, diabetes mellitus, fatty liver disease, and cancer. Obesity prevalence is at an all-time high and is projected to b...

journal_title：Circulation research

authors： Weinstock A,Moura Silva H,Moore KJ,Schmidt AM,Fisher EA

更新日期：2020-05-22 00:00:00

abstract：:Alveolar epithelial beta-adrenergic receptor (betaAR) activation accelerates active Na+ transport in lung epithelial cells in vitro and speeds alveolar edema resolution in human lung tissue and normal and injured animal lungs. Whether these receptors are essential for alveolar fluid clearance (AFC) or if other mechani...

journal_title：Circulation research

authors： Mutlu GM,Dumasius V,Burhop J,McShane PJ,Meng FJ,Welch L,Dumasius A,Mohebahmadi N,Thakuria G,Hardiman K,Matalon S,Hollenberg S,Factor P

更新日期：2004-04-30 00:00:00

abstract：:This article examines the role of innervation in regulating expression of acetylcholinesterase (AchE), butyrylcholinesterase (BuchE), and the muscarinic acetylcholine receptor (mAchR) in avian heart. Two distinct approaches are taken. The first approach examines the relation between the onsets of parasympathetic and s...

journal_title：Circulation research

authors： Jo SA,Higgins DM,Berman HA

更新日期：1992-04-01 00:00:00

abstract：:To determine whether or not salt loading restricted to the brain would elevate blood pressure, chronically implanted osmotic minipumps were used to infuse hypertonic sodium chloride solutions made in artificial cerebrospinal fluid into a jugular vein intravenously or the third cerebral ventricle, intracerebroventricul...

journal_title：Circulation research

authors： Miyajima E,Buñag RD

更新日期：1984-05-01 00:00:00

abstract：:In newborn lambs, pulmonary prostacyclin (PGI2) production increases acutely in response to low oxygen. We tested the hypothesis that decreased oxygenation directly stimulates PGI2 synthesis in arterial segments and cultured endothelial cells from newborn lamb intrapulmonary arteries. In segments studied at PO2 of 680...

journal_title：Circulation research

authors： North AJ,Brannon TS,Wells LB,Campbell WB,Shaul PW

更新日期：1994-07-01 00:00:00