Basic fibroblast growth factor increases collateral blood flow in rats with femoral arterial ligation.

abstract：RATIONALE:Sarcoplasmic reticulum (SR) Ca(2+) cycling is key to normal excitation-contraction coupling but may also contribute to pathological cardiac alternans and arrhythmia. OBJECTIVE:To measure intra-SR free [Ca(2+)] ([Ca(2+)]SR) changes in intact hearts during alternans and ventricular fibrillation (VF). METHODS ...

journal_title：Circulation research

authors： Wang L,Myles RC,De Jesus NM,Ohlendorf AK,Bers DM,Ripplinger CM

更新日期：2014-04-25 00:00:00

abstract：:Electrotonic coupling of cardiac myocytes at gap junctions may influence patterns of conduction in myocardium. To delineate the three-dimensional structure and distribution of intercellular junctions, we analyzed serial ultrathin sections of canine myocardium with transmission electron microscopy and disaggregated myo...

journal_title：Circulation research

authors： Hoyt RH,Cohen ML,Saffitz JE

更新日期：1989-03-01 00:00:00

abstract：RATIONALE:Cardiac myosin-binding protein-C (cMyBP-C) phosphorylation at Ser-273, Ser-282, and Ser-302 regulates myocardial contractility. In vitro and in vivo experiments suggest the nonequivalence of these sites and the potential importance of Ser-282 phosphorylation in modulating the protein's overall phosphorylation...

journal_title：Circulation research

authors： Sadayappan S,Gulick J,Osinska H,Barefield D,Cuello F,Avkiran M,Lasko VM,Lorenz JN,Maillet M,Martin JL,Brown JH,Bers DM,Molkentin JD,James J,Robbins J

更新日期：2011-07-08 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：:To determine the time course of efferent sympathetic denervation after transmural myocardial infarction (TMI) and of efferent vagal denervation after transmural or nontransmural myocardial infarction (NTMI), we measured effective refractory periods (ERP) basal and apical to TMI or NTMI in secobarbital-anesthetized, op...

journal_title：Circulation research

authors： Inoue H,Zipes DP

更新日期：1988-06-01 00:00:00

abstract：RATIONALE:Giant-cell arteritis (GCA) is a large-vessel vasculitis characterized by immune cell infiltration, yet the potential involvement of neutrophils has rarely been studied. OBJECTIVE:We investigated whether alterations in neutrophil reactivity occurred in the pathogenesis of GCA or during its clinical management...

journal_title：Circulation research

authors： Nadkarni S,Dalli J,Hollywood J,Mason JC,Dasgupta B,Perretti M

更新日期：2014-01-17 00:00:00

abstract：:Pyridine nucleotides are abundant soluble coenzymes and they undergo reversible oxidation and reduction in several biological electron-transfer reactions. They are comprised of two mononucleotides, adenosine monophosphate and nicotinamide mononucleotide, and are present as oxidized and reduced nicotinamide adenine din...

journal_title：Circulation research

authors： Nakamura M,Bhatnagar A,Sadoshima J

更新日期：2012-08-17 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：:Our objective was to test the hypotheses that 1) myoplasmic [Ca2+] is the primary determinant of crossbridge phosphorylation and that 2) phosphorylation is the primary determinant of crossbridge interactions with the thin filament in swine carotid arterial smooth muscle. We tested these hypotheses by evaluating the re...

journal_title：Circulation research

authors： Rembold CM,Murphy RA

更新日期：1988-09-01 00:00:00

abstract：:We hypothesized that a redox-sensitive transcription factor, redox factor-1 (Ref-1) (HAP1, APE, and APEX), was critical in the regulation of endothelial cell survival in response to hypoxia and cytokines, including tumor necrosis factor (TNF)-alpha. Hypoxia resulted in a significant decrease in Ref-1 protein expressio...

journal_title：Circulation research

authors： Hall JL,Wang X,Van Adamson,Zhao Y,Gibbons GH

更新日期：2001-06-22 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：:Endothelin-1 (ET-1) and endothelin-3 (ET-3) produced positive inotropic effects on electrically stimulated left atria and increased the frequency of spontaneously beating right atria of adult rats. The potency of the inotropic effect of ET-1 was greater than that of ET-3, but the potencies of the chronotropic effects ...

journal_title：Circulation research

authors： Ishikawa T,Li LM,Shinmi O,Kimura S,Yanagisawa M,Goto K,Masaki T

更新日期：1991-10-01 00:00:00

abstract：:The arterial pressure of rabbits with chronic one-kidney hypertension can be lowered to normotensive levels by direct immunization with preparations made from the cortex of hog kidneys. Hypertensive rabbits that are immunized with large amounts of renin may develop high plasma antirenin titers without affecting their ...

journal_title：Circulation research

authors： Skeggs LT,Kahn JR,Levine M,Dorer FE,Lentz KE

更新日期：1976-09-01 00:00:00

abstract：:To test the hypothesis that the capacity to develop left ventricular (LV) hypertrophy might diminish with advancing age, we examined the hypertrophic response to ascending aortic constriction in 3 groups of adult Fischer 344 rats (9 months, 18 months, and 22 months of age). Aortic constriction was created so that aort...

journal_title：Circulation research

authors： Isoyama S,Wei JY,Izumo S,Fort P,Schoen FJ,Grossman W

更新日期：1987-09-01 00:00:00

abstract：:Leukocyte rolling along the endothelium in inflammation is caused by continuous formation and breakage of bonds between selectin adhesion molecules and their ligands. We investigated trauma-induced leukocyte rolling in venules (diameter, 23 to 58 microns; wall shear stress, 1.2 to 35 dyne/cm2) of the exteriorized rat ...

journal_title：Circulation research

authors： Damiano ER,Westheider J,Tözeren A,Ley K

更新日期：1996-12-01 00:00:00

abstract：RATIONALE:The cardiac inwardly rectifying K(+) current (I(K1)) plays a critical role in modulating excitability by setting the resting membrane potential and shaping phase 3 of the cardiac action potential. OBJECTIVE:This study aims to analyze the effects of nitric oxide (NO) on human atrial I(K1) and on Kir2.1 channe...

journal_title：Circulation research

authors： Gómez R,Caballero R,Barana A,Amorós I,Calvo E,López JA,Klein H,Vaquero M,Osuna L,Atienza F,Almendral J,Pinto A,Tamargo J,Delpón E

更新日期：2009-08-14 00:00:00

abstract：:Recent evidence suggests that functional diversity of vascular smooth muscle is produced in part by a differential expression of ion channels. The aim of the present study was to examine the role of Ca(2+)-activated K(+) channels (K(Ca) channels) in the expression of smooth muscle cell functional phenotype. We found t...

journal_title：Circulation research

authors： Neylon CB,Lang RJ,Fu Y,Bobik A,Reinhart PH

更新日期：1999-10-29 00:00:00

abstract：:Angiotensin-converting enzyme (ACE) activity in the guinea pig fetal-placental unit was assessed at the different oxygen tensions found in utero, during labor, and at birth. To determine fetal-placental ACE activity, we separately perfused in situ term guinea pig fetuses and their placentas via the umbilical vessels u...

journal_title：Circulation research

authors： Davidson D,Stalcup SA,Mellins RB

更新日期：1981-02-01 00:00:00

abstract：:The influence that the pressure-sensitive receptors in the cardiovascular system have on renal nerve activity and on heart rate was compared in normotensive rats (NTR) and spontaneously hypertensive rats (SHR). The cardiovascular receptors were stimulated by raising the blood pressure (BP) with intravenous phenylephri...

journal_title：Circulation research

authors： Coote JH,Sato Y

更新日期：1977-06-01 00:00:00

abstract：:This study was performed to examine, first, the protective effects and responses of collateral vessels of the hind limb in normal and atherosclerotic monkeys and, second, the effects of chronic arterial occlusion on the development of atherosclerosis. The iliac artery was ligated on one side in cynomolgus monkeys. Six...

journal_title：Circulation research

authors： Lopez JA,Armstrong ML,Harrison DG,Piegors DJ,Heistad DD

更新日期：1988-12-01 00:00:00

abstract：:We previously observed that stimulation of vascular smooth muscle cell (VSMC) proliferation with growth factors is associated with dismantling of cadherin junctions and nuclear translocation of beta-catenin. In this study we demonstrate directly that growth factors stimulate beta-catenin/T-cell factor (TCF) signaling ...

journal_title：Circulation research

authors： Quasnichka H,Slater SC,Beeching CA,Boehm M,Sala-Newby GB,George SJ

更新日期：2006-12-08 00:00:00

abstract：:Stem cells can differentiate into a variety of cells to replace dead cells or to repair damaged tissues. Recent evidence indicates that stem cells are involved in the pathogenesis of transplant arteriosclerosis, an alloimmune initiated vascular stenosis that often results in transplant organ failure. Although the path...

journal_title：Circulation research

authors： Xu Q

更新日期：2008-05-09 00:00:00

abstract：:Baroreceptor reflexes can be demonstrated during fetal life, but whether baroreceptors normally regulate fetal arterial pressure is unknown. This problem was addressed directly by measuring arterial pressure and analyzing its variation in eight unanesthetized fetal lambs throughout the last third of gestation, and com...

journal_title：Circulation research

authors： Yardley RW,Bowes G,Wilkinson M,Cannata JP,Maloney JE,Ritchie BC,Walker AM

更新日期：1983-05-01 00:00:00

abstract：:To delineate more clearly the importance of altered monovalent cation transport rate in the mediation of the positive inotropic effects of cardiac glycosides, we studied changes in the contractile state and rate of uptake of K+ and Rb+ by monolayer cultures of chick embryo ventricular cells during exposure to and wash...

journal_title：Circulation research

authors： Barry WH,Biedert S,Miura DS,Smith TW

更新日期：1981-07-01 00:00:00

abstract：:Diadenosine triphosphate is present in platelet-dense granules and released quantitatively on platelet aggregation. We have found that intact porcine aortic endothelial cells can efficiently hydrolyze extracellular diadenosine triphosphate. The products of diadenosine triphosphate hydrolysis are adenosine monophosphat...

journal_title：Circulation research

authors： Goldman SJ,Gordon EL,Slakey LL

更新日期：1986-09-01 00:00:00

abstract：:Transcriptional thyroid hormone responsiveness of the cardiac alpha-myosin heavy chain (alpha-MHC) gene has been demonstrated in transfections into fetal and neonatal cardiomyocytes and in transgenic mice. However, the correspondence between the regulation of MHC expression in dissociated cells with that in the intact...

journal_title：Circulation research

authors： Buttrick PM,Kaplan ML,Kitsis RN,Leinwand LA

更新日期：1993-06-01 00:00:00

abstract：:We compared the blocking effects of the local anesthetics, lidocaine and benzocaine, on the sodium current, using single rat ventricular cells to obtain further information about the voltage dependence and kinetics of local anesthetic interaction with cardiac sodium channels. We used a hybrid voltage clamp system whic...

journal_title：Circulation research

authors： Sanchez-Chapula J,Tsuda Y,Josephson IR

更新日期：1983-05-01 00:00:00

abstract：:We used a genetic approach to determine whether increasing the level of A3 adenosine receptors (A3ARs) expressed in the heart confers protection against ischemia without causing cardiac pathology. We generated mice carrying one (A3tg.1) or six (A3tg.6) copies of a transgene consisting of the cardiomyocyte-specific alp...

journal_title：Circulation research

authors： Black RG Jr,Guo Y,Ge ZD,Murphree SS,Prabhu SD,Jones WK,Bolli R,Auchampach JA

更新日期：2002-07-26 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：: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