Serotonin transport by cultured bovine aortic endothelium.

abstract：:We studied the time-dependent changes in the response of heart rate (sinus cycle length) to 30-second trains of vagal stimulation (8 Hz), repeated every 2 minutes, in canine neonates aged 7.1 +/- 2.5 (mean +/- SD) days. The first vagal train prolonged the sinus cycle length by 58 +/- 35%, but the response was attenuat...

journal_title：Circulation research

authors： Yamasaki S,Stolfi A,Mas MS,Fox LS,Pickoff AS

更新日期：1991-08-01 00:00:00

abstract：RATIONALE:One goal of cardiac tissue engineering is the generation of a living, human pump in vitro that could replace animal models and eventually serve as an in vivo therapeutic. Models that replicate the geometrically complex structure of the heart, harboring chambers and large vessels with soft biomaterials, can be...

journal_title：Circulation research

authors： Kupfer ME,Lin WH,Ravikumar V,Qiu K,Wang L,Gao L,Bhuiyan DB,Lenz M,Ai J,Mahutga RR,Townsend D,Zhang J,McAlpine MC,Tolkacheva EG,Ogle BM

更新日期：2020-07-03 00:00:00

abstract：:The enzyme heme oxygenase, which exists in inducible (HO-1) and constitutive (HO-2) isoforms, catalyzes the degradation of heme to biliverdin and CO in mammalian tissues. CO has been implicated in the control of vascular tone in a manner similar to that for NO. In the present study, we investigated the contribution of...

journal_title：Circulation research

authors： Motterlini R,Gonzales A,Foresti R,Clark JE,Green CJ,Winslow RM

更新日期：1998-09-07 00:00:00

abstract：:To determine the relative importance of protein degradation in the development of starvation-induced cardiac atrophy, in vivo fractional synthetic rates of total cardiac protein, myosin heavy chain, actin, light chain 1, and light chain 2 were measured in fed and fasted rabbits by continuous infusion of [3H] leucine. ...

journal_title：Circulation research

authors： Samarel AM,Parmacek MS,Magid NM,Decker RS,Lesch M

更新日期：1987-06-01 00:00:00

abstract：:We studied the individual and combined effects of extracellular acidosis and increases in extracellular potassium on action potential characteristics and conduction in order to gain a better understanding of the effects of acute ischemia. At each level of potassium between 2.7 and 17 mm, acidosis induced by increasing...

journal_title：Circulation research

authors： Kagiyama Y,Hill JL,Gettes LS

更新日期：1982-11-01 00:00:00

abstract：:An improved assay was used to investigate the effects of hypoxia or ischemia on interstitial fluid and coronary venous effluent levels of adenosine in isolated perfused nonworking rat hearts. The adenosine in 5- to 10-microliter samples of left ventricular epicardial surface transudates and coronary effluents was reac...

journal_title：Circulation research

authors： Fenton RA,Dobson JG Jr

更新日期：1987-02-01 00:00:00

abstract：:Transmural heterogeneity of myocardial metabolism and function are present in the left ventricle under normal and ischemic conditions. To determine if endocardial versus epicardial differences of [Ca2+]i are also present, perfused rat heart studies using indo-1 fluorescence as an index of [Ca2+]i were performed in the...

journal_title：Circulation research

authors： Figueredo VM,Brandes R,Weiner MW,Massie BM,Camacho SA

更新日期：1993-05-01 00:00:00

abstract：:To determine the effects of aging on the human myocardium, 67 hearts were obtained from individuals who died from causes other than cardiovascular disease. The age interval examined was 17-90 years. Regression analysis demonstrated that the aging process was characterized by a loss of 38 million and 14 million myocyte...

journal_title：Circulation research

authors： Olivetti G,Melissari M,Capasso JM,Anversa P

更新日期：1991-06-01 00:00:00

abstract：RATIONALE:The ventricular conduction system controls the propagation of electric activity through the heart to coordinate cardiac contraction. This system is composed of specialized cardiomyocytes organized in defined structures including central components and a peripheral Purkinje fiber network. How the mammalian ven...

journal_title：Circulation research

authors： Miquerol L,Moreno-Rascon N,Beyer S,Dupays L,Meilhac SM,Buckingham ME,Franco D,Kelly RG

更新日期：2010-07-09 00:00:00

abstract：:We determined whether cerebral arterioles in vitro adjust their diameters in response to changes in intraluminal flow rate and pressure. Intracerebral arterioles (38- to 55-microns diameter) were isolated from Sprague-Dawley rats and cannulated with a perfusion system that permitted separate control of intraluminal pr...

journal_title：Circulation research

authors： Ngai AC,Winn HR

更新日期：1995-10-01 00:00:00

abstract：:A new protocol has been developed for selective removal of the endothelium from the arteries of the perfused rat hind-limb preparation. The hind limb was perfused with oxygenated Krebs-Ringer bicarbonate solution with a combination of high flow and timed air bubbles (2 minutes at high flow followed by 5 minutes of air...

journal_title：Circulation research

authors： Ralevic V,Kristek F,Hudlická O,Burnstock G

更新日期：1989-06-01 00:00:00

abstract：:There is now overwhelming evidence to support lowering LDL-c (low-density lipoprotein cholesterol) to reduce cardiovascular morbidity and mortality. Statins are a class of drugs frequently prescribed to lower cholesterol. However, in spite of their wide-spread use, discontinuation and nonadherence remains a major gap ...

journal_title：Circulation research

authors： Ward NC,Watts GF,Eckel RH

更新日期：2019-01-18 00:00:00

abstract：:We have investigated the requirement for c-myc downregulation in the growth arrest of vascular smooth muscle cells (VSMCs). Rat VSMCs were infected with a retrovirus vector directing constitutive expression of either the complete human c-Myc protein (VSM-myc cells) or the c-Myc deletion mutant D106-143, which is inact...

journal_title：Circulation research

authors： Bennett MR,Evan GI,Newby AC

更新日期：1994-03-01 00:00:00

abstract：:A number of scavengers of reactive oxygen metabolites reduce myocardial injury when given before ischemia and reperfusion, but few, if any, have proven to be effective when given near the onset of reperfusion. This is particularly true when infarct size is measured after at least 48 hours of reperfusion, when the full...

journal_title：Circulation research

authors： Carrea FP,Lesnefsky EJ,Repine JE,Shikes RH,Horwitz LD

更新日期：1991-06-01 00:00:00

abstract：:Recent advances in cardiac physiology identify the integrin-linked kinase (ILK) as an essential molecule regulating cardiac growth, contractility, and repair. A key transducer of biochemical signals initiated at the plasma membrane by cell-matrix interactions, ILK now emerges as a crucial player in mechanotransduction...

journal_title：Circulation research

authors： Hannigan GE,Coles JG,Dedhar S

更新日期：2007-05-25 00:00:00

abstract：:Increasing attention is currently devoted to the multiple roles that pericytes (also defined as mural, Rouget, or perivascular cells) may play during angiogenesis, vascular homeostasis, and pathology. Many recent excellent reviews thoroughly address these topics (see below); hence, we will not discuss them in detail h...

journal_title：Circulation research

authors： Cappellari O,Cossu G

更新日期：2013-07-19 00:00:00

abstract：:The role of prostaglandin production in the control of regenerative function of endothelial progenitor cells (EPCs) has not been studied. We hypothesized that activation of cyclooxygenase (COX) enzymatic activity and the subsequent production of prostacyclin (PGI(2)) is an important mechanism responsible for the regen...

journal_title：Circulation research

authors： He T,Lu T,d'Uscio LV,Lam CF,Lee HC,Katusic ZS

更新日期：2008-07-03 00:00:00

abstract：RATIONALE:Monocyte infiltration into the subintimal space and its intracellular lipid accumulation are the most prominent features of atherosclerosis. To understand the pathophysiology of atherosclerotic disease, we need to understand the characteristics of lipid-laden foamy macrophages in the subintimal space during a...

journal_title：Circulation research

authors： Kim K,Shim D,Lee JS,Zaitsev K,Williams JW,Kim KW,Jang MY,Seok Jang H,Yun TJ,Lee SH,Yoon WK,Prat A,Seidah NG,Choi J,Lee SP,Yoon SH,Nam JW,Seong JK,Oh GT,Randolph GJ,Artyomov MN,Cheong C,Choi JH

更新日期：2018-10-26 00:00:00

abstract：:We developed a mouse myocardial preparation to study cellular dysfunction in acute coxsackievirus myocarditis. Thin right ventricular papillary muscles from normal mice (n = 8) were compared with muscles from mice 7 days after coxsackievirus infection (n = 7). Sarcomere shortening was studied with laser diffraction (H...

journal_title：Circulation research

authors： Hamrell BB,Huber SA,Leslie KO

更新日期：1994-09-01 00:00:00

abstract：:Adipose tissue (AT) can accumulate macrophages and secrete several inflammatory mediators. Despite its pivotal role in the progression of chronic inflammatory processes such as atherosclerosis, the adaptive role of immunity in obesity remains poorly explored. Visceral AT of diet-induced obese C57BL/6 mice had higher n...

journal_title：Circulation research

authors： Rocha VZ,Folco EJ,Sukhova G,Shimizu K,Gotsman I,Vernon AH,Libby P

更新日期：2008-08-29 00:00:00

abstract：:Although vascular endothelial growth factor (VEGF) has been described as a potent angiogenic stimulus, its application in therapy remains difficult: blood vessels formed by exposure to VEGF tend to be malformed and leaky. In nature, the principal form of VEGF possesses a binding site for ECM components that maintain i...

journal_title：Circulation research

authors： Ehrbar M,Djonov VG,Schnell C,Tschanz SA,Martiny-Baron G,Schenk U,Wood J,Burri PH,Hubbell JA,Zisch AH

更新日期：2004-04-30 00:00:00

abstract：RATIONALE:Chronic elevation of 3'-5'-cyclic adenosine monophosphate (cAMP) levels has been associated with cardiac remodeling and cardiac hypertrophy. However, enhancement of particular aspects of cAMP/protein kinase A signaling seems to be beneficial for the failing heart. cAMP is a pleiotropic second messenger with t...

journal_title：Circulation research

authors： Zoccarato A,Surdo NC,Aronsen JM,Fields LA,Mancuso L,Dodoni G,Stangherlin A,Livie C,Jiang H,Sin YY,Gesellchen F,Terrin A,Baillie GS,Nicklin SA,Graham D,Szabo-Fresnais N,Krall J,Vandeput F,Movsesian M,Furlan L,Corse

更新日期：2015-09-25 00:00:00

abstract：RATIONALE:Cardiac myocyte-specific deletion of either glycogen synthase kinase (GSK)-3α and GSK-3β leads to cardiac protection after myocardial infarction, suggesting that deletion of both isoforms may provide synergistic protection. This is an important consideration because of the fact that all GSK-3-targeted drugs, ...

journal_title：Circulation research

authors： Zhou J,Ahmad F,Parikh S,Hoffman NE,Rajan S,Verma VK,Song J,Yuan A,Shanmughapriya S,Guo Y,Gao E,Koch W,Woodgett JR,Madesh M,Kishore R,Lal H,Force T

更新日期：2016-04-15 00:00:00

abstract：:Urea transporters have been cloned from kidney medulla (UT-A) and erythrocytes (UT-B). We determined whether UT-A proteins could be detected in heart and whether their abundance was altered by uremia or hypertension or in human heart failure. In normal rat heart, bands were detected at 56, 51, and 39 kDa. In uremic ra...

journal_title：Circulation research

authors： Duchesne R,Klein JD,Velotta JB,Doran JJ,Rouillard P,Roberts BR,McDonough AA,Sands JM

更新日期：2001-07-20 00:00:00

abstract：:Experimental and clinical studies have suggested an increased production of reactive oxygen species (ROS) in the failing myocardium. The present study aimed to obtain direct evidence for increased ROS and to determine the contribution of superoxide anion (*O(2)(-)), H(2)O(2), and hydroxy radical (*OH) in failing myoca...

journal_title：Circulation research

authors： Ide T,Tsutsui H,Kinugawa S,Suematsu N,Hayashidani S,Ichikawa K,Utsumi H,Machida Y,Egashira K,Takeshita A

更新日期：2000-02-04 00:00:00

abstract：:Shear stress caused by the frictional forces of a fluid moving over a cell monolayer is an important regulator of gene expression. In this study, we investigated the effect of shear stress on angiotensin-converting enzyme (ACE) expression and promoter activity in vitro and on local vascular ACE activity in vivo. ACE a...

journal_title：Circulation research

authors： Rieder MJ,Carmona R,Krieger JE,Pritchard KA Jr,Greene AS

更新日期：1997-03-01 00:00:00

abstract：:Angiotensin II (Ang II) increases renal sympathetic nerve activity in anesthetized mice before and after ganglionic blockade, suggesting that Ang II may directly activate postganglionic sympathetic neurons. The present study directly tested this hypothesis in vitro. Neurons were dissociated from aortic-renal and celia...

journal_title：Circulation research

authors： Ma X,Chapleau MW,Whiteis CA,Abboud FM,Bielefeldt K

更新日期：2001-04-27 00:00:00

abstract：:We examined the late coronary vascular response to carotid chemoreceptor reflex activation in normal, conscious dogs instrumented for the measurement of right main and left circumflex coronary artery blood flows, arterial and right ventricular pressures, and arterial and coronary sinus blood gases and O2 contents. Wit...

journal_title：Circulation research

authors： Murray PA,Lavallee M,Vatner SF

更新日期：1984-01-01 00:00:00

abstract：:First-generation, E1-deleted adenoviral vectors (E1-AV) can transduce the vascular endothelium with high efficiency, but their use is limited by the resulting acute endothelial injury and the long-term development of intimal hyperplasia. To reduce the impact of viral proteins on the gene-modified cells, a second-gener...

journal_title：Circulation research

authors： Qian HS,Channon K,Neplioueva V,Wang Q,Finer M,Tsui L,George SE,McArthur J

更新日期：2001-05-11 00:00:00

abstract：:We used two experimental techniques to study the effect of lidocaine hydrochloride on the early inward transient (sodium) current as it is reflected by the maximum rate of change of action potential phase 0 (Vmax). We assessed the effect of lidocaine on Vmax as Purkinje fibers were slowly depolarized by increasing the...

journal_title：Circulation research

authors： Weld FM,Bigger JT Jr

更新日期：1975-11-01 00:00:00