Impaired local regulation of ryanodine receptor type 2 by protein phosphatase 1 promotes atrial fibrillation.

abstract：AIMS:This study examines the effect of endogenous male sex hormones on thromboxane A2 (TXA2), prostaglandin (PG) I2, PGF(2 alpha), and PGE I2 release, as well as their role in acetylcholine (ACh)-mediated relaxation in the aorta. METHODS AND RESULTS:Aortic segments from orchidectomized and control male Sprague-Dawley ...

journal_title：Cardiovascular research

authors： Martorell A,Blanco-Rivero J,Aras-López R,Sagredo A,Balfagón G,Ferrer M

更新日期：2008-02-01 00:00:00

abstract：OBJECTIVE:We propose that ischemic preconditioning (IPC) and mitochondrial K(ATP) channel activation protect the myocardium by inhibiting mitochondrial permeability transition pore (MPTP) opening at reperfusion. METHODS:Isolated rat hearts were subjected to 35 min ischemia/120 min reperfusion and assigned to the follo...

journal_title：Cardiovascular research

authors： Hausenloy DJ,Maddock HL,Baxter GF,Yellon DM

更新日期：2002-08-15 00:00:00

abstract：OBJECTIVES:Myocardial ischemia results in an early phase of arrhythmias that primarily involves reentrant mechanisms. However, the trigger that initiates reentry remains unknown. We studied the initiation of reentry attending the development of electrical heterogeneity during simulated ischemia in isolated canine right...

journal_title：Cardiovascular research

authors： Lukas A,Antzelevitch C

更新日期：1996-09-01 00:00:00

abstract：:Angiotensin II (AII) plays a critical role in cardiac remodeling. This peptide promotes cardiac myocyte hypertrophy and cardiac fibroblast interstitial fibrotic changes associated with left ventricular hypertrophy, post myocardial infarction remodeling and congestive heart failure. AII mediates cardiac myocyte hypertr...

journal_title：Cardiovascular research

authors： Schnee JM,Hsueh WA

更新日期：2000-05-01 00:00:00

abstract：OBJECTIVE:The aim was to correlate the relative abilities of amiodarone, lignocaine, and penticainide in suppressing ventricular tachyarrhythmias in response to coronary artery occlusion with their relative abilities to prolong ventricular functional refractory periods and to reduce intraventricular conduction velociti...

journal_title：Cardiovascular research

authors： Li JY,Northover BJ

更新日期：1992-11-01 00:00:00

abstract：AIMS:Vascular endothelial growth factors (VEGFs) and their receptors (VEGF-Rs) are among the most powerful factors regulating vascular growth. However, it has remained unknown whether stimulation of VEGF-R1, VEGF-R2 or both of the receptors produces the best angiogenic responses in myocardium. The aim of this study was...

journal_title：Cardiovascular research

authors： Huusko J,Merentie M,Dijkstra MH,Ryhänen MM,Karvinen H,Rissanen TT,Vanwildemeersch M,Hedman M,Lipponen J,Heinonen SE,Eriksson U,Shibuya M,Ylä-Herttuala S

更新日期：2010-04-01 00:00:00

abstract：AIMS:Imbalance between pro- and antioxidant species (e.g. during aging) plays a crucial role for vascular function and is associated with oxidative gene regulation and modification. Vascular aging is associated with progressive deterioration of vascular homeostasis leading to reduced relaxation, hypertrophy, and a high...

journal_title：Cardiovascular research

authors： Wenzel P,Schuhmacher S,Kienhöfer J,Müller J,Hortmann M,Oelze M,Schulz E,Treiber N,Kawamoto T,Scharffetter-Kochanek K,Münzel T,Bürkle A,Bachschmid MM,Daiber A

更新日期：2008-11-01 00:00:00

abstract：OBJECTIVE:The aim was to compare differences in peak twitch force occurring despite similar degrees of right ventricular hypertrophy in ferrets with pulmonary artery banding at either weanling or juvenile age. METHODS:After inducing pressure overload hypertrophy by banding the pulmonary artery of weanling and juvenile...

journal_title：Cardiovascular research

authors： Gwathmey JK,Liao R,Ingwall JS

更新日期：1995-04-01 00:00:00

abstract：AIMS:AMP-activated protein kinase (AMPK) is thought to be a central player in regulating myocardial metabolism and its activation has been shown to inhibit cardiac hypertrophy. Recently, mice with muscle-specific deletion of AMPK β1/β2 subunits (AMPKβ1β2-deficient mice, β1β2M-KO) have been generated and possess <10% of...

journal_title：Cardiovascular research

authors： Sung MM,Zordoky BN,Bujak AL,Lally JS,Fung D,Young ME,Horman S,Miller EJ,Light PE,Kemp BE,Steinberg GR,Dyck JR

更新日期：2015-07-15 00:00:00

abstract：OBJECTIVES:Coronary microvascular endothelial cells (CMVEs) can modulate the contractile performance of the adjacent myocardium by the release of agents such as nitric oxide (NO). Most previous studies using CMVEs have been done in situ, in the intact organ. We set out to study possible differences in NO synthase (NOS)...

journal_title：Cardiovascular research

authors： Lang D,Bell JP,Bayraktutan U,Small GR,Shah AM,Lewis MJ

更新日期：1999-06-01 00:00:00

abstract：AIMS:To compare ST-segment elevation myocardial infarction (STEMI) and non-STEMI (NSTEMI) mortality between Sweden and the UK, adjusting for background population rates of expected death, case mix, and treatments. METHODS AND RESULTS:National data were collected from hospitals in Sweden [n = 73 hospitals, 180 368 pati...

journal_title：Cardiovascular research

authors： Alabas OA,Jernberg T,Pujades-Rodriguez M,Rutherford MJ,West RM,Hall M,Timmis A,Lindahl B,Fox KAA,Hemingway H,Gale CP

更新日期：2020-01-01 00:00:00

abstract：:Cardiac hypertrophy was induced in rabbits at atmospheric pressure by exposing them to hypoxia equivalent to an altitude of 6000 m for 280 to 350 h. Intracellular action potentials were recorded from Purkinje cells, and from atrial and papillary muscles, contractions of which were also measured. Hearts from normoxic l...

journal_title：Cardiovascular research

authors： Dukes ID,Vaughan Williams EM

更新日期：1984-10-01 00:00:00

abstract：:Electrophysiologic remodeling is a process whereby heart disease alters the electrophysiologic properties of cardiac tissue. These alterations, in turn, can cause or exacerbate disease-related arrhythmias. Ion channels are the fundamental molecular units underlying cardiac electrophysiology, and it therefore follows t...

journal_title：Cardiovascular research

authors： Roden DM,Kupershmidt S

更新日期：1999-05-01 00:00:00

abstract：OBJECTIVE:Increased cardiac collagen is seen in uninephrectomised rats made hypertensive by aldosterone infusion and high salt, with the possibility of a direct effect of aldosterone at the level of the cardiac fibroblast. The aim of this study was to examine the effects of aldosterone, glucocorticoids, and angiotensin...

journal_title：Cardiovascular research

authors： Fullerton MJ,Funder JW

更新日期：1994-12-01 00:00:00

abstract：:The kinetics of onset of rate-dependent depression of maximum rate of depolarisation (Vmax) of guinea-pig ventricular action potentials were studied for nine Class I anti-arrhythmic drugs using standard microelectrode techniques. The drugs were found to fall into three well-demarcated subgroups with "fast" (lignocaine...

journal_title：Cardiovascular research

authors： Campbell TJ

更新日期：1983-06-01 00:00:00

abstract：:Vascular smooth muscle cells (vSMCs) play a crucial role in both the pathogenesis of Aneurysms and Dissections of the ascending thoracic aorta (TAAD) in humans and in the associated adaptive compensatory responses, since thrombosis and inflammatory processes are absent in the majority of cases. Aneurysms and dissectio...

journal_title：Cardiovascular research

authors： Michel JB,Jondeau G,Milewicz DM

更新日期：2018-03-15 00:00:00

abstract：OBJECTIVE:Previous studies have shown that chronic cardiac denervation impairs myocardial glucose oxidation. To investigate this further we tested whether the tissue content of glucose transporters, activity of glycolytic enzymes or metabolic capacity of pyruvate dehydrogenase were altered. Moreover, we investigated wh...

journal_title：Cardiovascular research

authors： van der Vusse GJ,Dubelaar ML,Coumans WA,Seymour AM,Clarke SB,Bonen A,Drake-Holland AJ,Noble MI

更新日期：1998-01-01 00:00:00

abstract：:The structural basis for the development of congestive heart failure (CHF) is a maladaptive myocardial remodeling process which occurs secondarily to post-myocardial infarction (MI), hypertensive hypertrophy, or cardiomyopathy. Both cellular and extracellular factors are involved in the remodeling process and it is th...

journal_title：Cardiovascular research

authors： Deschamps AM,Spinale FG

更新日期：2006-02-15 00:00:00

abstract：OBJECTIVE:Lower limb perfusion following arterial occlusion depends on the recruitment of collateral vessels. Blood flow through these collateral vessels may be jeopardized by hypersensitivity to vasoconstriction by serotonin (5-HT), as has been reported during hyperlipidemia and diabetes. Therefore the aim of this stu...

journal_title：Cardiovascular research

authors： Janiak P,Lainée P,Grataloup Y,Luyt CE,Bidouard JP,Michel JB,O'Connor SE,Herbert JM

更新日期：2002-11-01 00:00:00

abstract：:The rate of QT adaptation to abrupt changes in pacing rate was studied in seven patients with newly diagnosed complete heart block with a ventricular escape rate of less than 40 beats.min-1. Their median age was 70 (range 36-84) years, and none was taking any cardioactive medication known to affect the QT interval. Fr...

journal_title：Cardiovascular research

authors： Lau CP,Freedman AR,Fleming S,Malik M,Camm AJ,Ward DE

更新日期：1988-01-01 00:00:00

abstract：OBJECTIVES:We measured the uptake of technetium-99m tetrofosmin (99m Tc) and thallium-201 (201 TI) in areas of healed transmural myocardial infarction and in the regions of acute peri-infarction ischemia. METHODS:Anesthetised pigs with a 1-month old transmural infarction elicited by permanent ligature of the left ante...

journal_title：Cardiovascular research

authors： Cinca J,Garcia-Burillo A,Carreño A,Castell J,Warren M,Candell-Riera J,Domingo A,Soler-Soler J

更新日期：1998-04-01 00:00:00

abstract：:Ischemia-reperfusion of the heart and other organs results in the accumulation of unesterified arachidonic acid (AA) via the action of membrane-bound phospholipases, primarily phospholipase A2. AA can be metabolized by the classical cyclooxygenase (COX) and lipoxygenase (LOX) pathways to well-characterized metabolites...

journal_title：Cardiovascular research

authors： Gross GJ,Falck JR,Gross ER,Isbell M,Moore J,Nithipatikom K

更新日期：2005-10-01 00:00:00

abstract：:The effect of axial rotation on flow through and pressure gradient across saphenous vein segments was studied using 15 cadaver long saphenous veins. A significant reduction in flow occurred at a mean rotation of 25 degrees/cm and a significant increase in head loss across the segments occurred at a mean rotation of 23...

journal_title：Cardiovascular research

authors： Gordon A,Williams J,Buxton B

更新日期：1975-07-01 00:00:00

abstract：:Reperfusion of the heart after a period of ischaemia leads to the opening of a nonspecific pore in the inner mitochondrial membrane, known as the mitochondrial permeability transition pore (MPTP). This transition causes mitochondria to become uncoupled and capable of hydrolysing rather than synthesising ATP. Unrestrai...

journal_title：Cardiovascular research

authors： Halestrap AP,Clarke SJ,Javadov SA

更新日期：2004-02-15 00:00:00

abstract：AIMS:Acute migraine attack in familial hemiplegic migraine type 2 (FHM2) patients is characterized by sequential hypo- and hyperperfusion. FHM2 is associated with mutations in the Na, K-ATPase α2 isoform. Heterozygous mice bearing one of these mutations (α2+/G301R mice) were shown to have elevated cerebrovascular tone ...

journal_title：Cardiovascular research

authors： Staehr C,Rajanathan R,Postnov DD,Hangaard L,Bouzinova EV,Lykke-Hartmann K,Bach FW,Sandow SL,Aalkjaer C,Matchkov VV

更新日期：2020-10-01 00:00:00

abstract：:Tension and action potentials have been measured simultaneously from isolated cat papillary muscles. Two groups of experiments are described. In the first group, the external conditions under which the muscle contracted were changed. Specifically, stimulation rate, extra-cellular [Ca++], extracellular [Na++] were alte...

journal_title：Cardiovascular research

authors： Allen DG

更新日期：1977-05-01 00:00:00

abstract：OBJECTIVE:To study the effect of cardiac contraction on left coronary artery pressure-flow relations at different vascular volumes and to compare these relations in the beating heart with those in the heart arrested in systole and diastole. METHODS:Maximally vasodilated, Tyrode perfused, rabbit hearts (n = 6) with an ...

journal_title：Cardiovascular research

authors： Sipkema P,Takkenberg JJ,Zeeuwe PE,Westerhof N

更新日期：1998-10-01 00:00:00

abstract：OBJECTIVE:Cholinergic vasodilation has been thought to play little if any role in the regulation of blood pressure in humans. Autonomic denervation potentiates the vasoconstriction evoked by nitric oxide synthase inhibition in humans, but the mechanism is unclear. We hypothesized that this may be related to loss of neu...

journal_title：Cardiovascular research

authors： Lepori M,Sartori C,Duplain H,Nicod P,Scherrer U

更新日期：2001-09-01 00:00:00

abstract：:The signal transducer and activator of transcription 3 (STAT3) is fundamental for physiological homeostasis and stress-induced remodelling of the heart as deregulated STAT3 circuits are sufficient to induce dilated and peripartum cardiomyopathy and adverse remodelling after myocardial infarction. STAT3 activity depend...

journal_title：Cardiovascular research

authors： Haghikia A,Ricke-Hoch M,Stapel B,Gorst I,Hilfiker-Kleiner D

更新日期：2014-05-01 00:00:00

abstract：UNLABELLED:Recent investigations have established the feasibility of using exogenously delivered angiogenic growth factors to increase collateral artery development in animal models of myocardial and hindlimb ischemia. OBJECTIVE:Our aim was to evaluate the ability of a stabilized form of acidic fibroblast growth facto...

journal_title：Cardiovascular research

authors： Hershey JC,Corcoran HA,Baskin EP,Gilberto DB,Mao X,Thomas KA,Cook JJ

更新日期：2003-10-01 00:00:00