Proteasome-mediated reduction in proapoptotic molecule Bim renders CD4⁺CD28null T cells resistant to apoptosis in acute coronary syndrome.

abstract：BACKGROUND:The aim of the present study was to evaluate dynamic changes in aortic regurgitant (AR) orifice area with the use of calibrated electromagnetic (EM) flowmeters and to validate a color Doppler flow convergence (FC) method for evaluating effective AR orifice area and regurgitant volume. METHODS AND RESULTS:In...

journal_title：Circulation

authors： Shiota T,Jones M,Yamada I,Heinrich RS,Ishii M,Sinclair B,Holcomb S,Yoganathan AP,Sahn DJ

更新日期：1996-02-01 00:00:00

abstract：:A 10 mg bolus of the angiotensin blocker saralasin was injected 113 times in 68 subjects with essential or renovascular hypertension. Ninety percent of injections caused a transient increase in blood pressure, which correlated with plasma renin activity (PRA) (r = -0.54); Mean increase at 2 minutes was 21/13.4 mm Hg (...

journal_title：Circulation

authors： Waks UA,Maxwell MH,Marks L,Zawada ET,Kaufman JJ

更新日期：1978-06-01 00:00:00

abstract：BACKGROUND:Serum paraoxonase (PON1), an enzyme carried on HDL, inhibits LDL oxidation, and in human population studies, low PON1 activity is associated with atherosclerosis. In addition, PON1 knockout mice are more susceptible to lipoprotein oxidation and atherosclerosis. To evaluate whether PON1 protects against ather...

journal_title：Circulation

authors： Tward A,Xia YR,Wang XP,Shi YS,Park C,Castellani LW,Lusis AJ,Shih DM

更新日期：2002-07-23 00:00:00

abstract：BACKGROUND:Cardiac hypertrophy is a common response to circulatory or neurohumoral stressors as a mechanism to augment contractility. When the heart is under sustained stress, the hypertrophic response can evolve into decompensated heart failure, although the mechanism(s) underlying this transition remain largely unkno...

journal_title：Circulation

authors： Warren SA,Briggs LE,Zeng H,Chuang J,Chang EI,Terada R,Li M,Swanson MS,Lecker SH,Willis MS,Spinale FG,Maupin-Furlowe J,McMullen JR,Moss RL,Kasahara H

更新日期：2012-11-27 00:00:00

abstract：:Calcium metabolism may play an important role in the pathogenesis of myocardial ischemic injury. The effect of the sarcolemmal calcium flux inhibitor, verapamil, on myocardial necrosis was studied in dogs subjected to temporary coronary artery occlusion. One group of dogs was untreated. A second group was given 0.8 mg...

journal_title：Circulation

authors： Reimer KA,Lowe JE,Jennings RB

更新日期：1977-04-01 00:00:00

abstract：BACKGROUND:The mechanism of delayed preconditioning induced by activation of adenosine A(1) receptors (A(1)ARs) is not fully understood. We determined the role of inducible nitric oxide synthase (iNOS) in mediating adenosine-induced late cardioprotection using pharmacological inhibitors and iNOS gene-knockout mice. ME...

journal_title：Circulation

authors： Zhao T,Xi L,Chelliah J,Levasseur JE,Kukreja RC

更新日期：2000-08-22 00:00:00

abstract：:Inherited thoracic aortopathies denote a group of congenital conditions that predispose to disease of the thoracic aorta. Aortic wall weakness and abnormal aortic hemodynamic profiles predispose these patients to dilatation of the thoracic aorta, which is generally silent but can precipitate aortic dissection or ruptu...

journal_title：Circulation

authors： Fletcher AJ,Syed MBJ,Aitman TJ,Newby DE,Walker NL

更新日期：2020-05-12 00:00:00

abstract：BACKGROUND:Thrombin plays a role in mediating ischemic injury and cardiac arrhythmias, but the mechanisms involved are poorly understood. Because voltage-gated sodium channels (VGSCs) have not previously been considered, putative effects of thrombin on VGSC function were investigated in human isolated cardiomyocytes. ...

journal_title：Circulation

authors： Pinet C,Le Grand B,John GW,Coulombe A

更新日期：2002-10-15 00:00:00

abstract：BACKGROUND:Peripheral arterial disease (PAD) is associated with significant morbidity and mortality and is an important marker of subclinical coronary heart disease. However, estimates of PAD prevalence in the general US population have varied widely. METHODS AND RESULTS:We analyzed data from 2174 participants aged 40...

journal_title：Circulation

authors： Selvin E,Erlinger TP

更新日期：2004-08-10 00:00:00

abstract：BACKGROUND:Gene-nutrient interactions affecting high-density lipoprotein cholesterol (HDL-C) concentrations may contribute to the interindividual variability of the cardiovascular disease risk associated with dietary fat intake. Hepatic lipase (HL) is a key determinant of HDL metabolism. Four polymorphisms in linkage d...

journal_title：Circulation

authors： Ordovas JM,Corella D,Demissie S,Cupples LA,Couture P,Coltell O,Wilson PW,Schaefer EJ,Tucker KL

更新日期：2002-10-29 00:00:00

abstract：BACKGROUND:In the experimental setting, it has been demonstrated that preconditioning myocardium before prolonged occlusion with brief ischemic episodes affords substantial protection to the cells by delaying lethal injury, thereby limiting infarct size. Whether the same occurs in humans remains unknown. METHODS AND R...

journal_title：Circulation

authors： Ottani F,Galvani M,Ferrini D,Sorbello F,Limonetti P,Pantoli D,Rusticali F

更新日期：1995-01-15 00:00:00

abstract：BACKGROUND:Several recent studies attempted to classify plaques as those prone to cause clinical manifestations (vulnerable, atheromatous plaques) or those less frequently associated with acute thrombotic complication (stable, fibrous plaques). Defining the cellular and molecular mechanisms that underlie these morpholo...

journal_title：Circulation

authors： Sukhova GK,Schönbeck U,Rabkin E,Schoen FJ,Poole AR,Billinghurst RC,Libby P

更新日期：1999-05-18 00:00:00

abstract：BACKGROUND:Heart rate (HR) variability is a marker of tonic cardiac autonomic activity and contributes in assessing risk for sudden death after myocardial infarction. Recent clinical observations have indicated that attenuation of HR variability, which occurs after myocardial infarction, may be transient. This study ad...

journal_title：Circulation

authors： Adamson PB,Huang MH,Vanoli E,Foreman RD,Schwartz PJ,Hull SS Jr

更新日期：1994-08-01 00:00:00

abstract：BACKGROUND:Sudden Unexplained Death Syndrome (SUDS) is the leading cause of death in young, healthy, Southeast Asian men. The role of an implantable cardioverter defibrillator (ICD) for mortality reduction in these patients remains unclear. METHODS AND RESULTS:The Defibrillator Versus beta-Blockers for Unexplained Dea...

journal_title：Circulation

authors： Nademanee K,Veerakul G,Mower M,Likittanasombat K,Krittayapong R,Bhuripanyo K,Sitthisook S,Chaothawee L,Lai MY,Azen SP

更新日期：2003-05-06 00:00:00

abstract：BACKGROUND:Reperfusion injury is insufficiently addressed in current clinical management of acute limb ischemia. Controlled reperfusion carries an enormous clinical potential and was tested in a new reality-driven rodent model. METHODS AND RESULTS:Acute hind-limb ischemia was induced in Wistar rats and maintained for ...

journal_title：Circulation

authors： Dick F,Li J,Giraud MN,Kalka C,Schmidli J,Tevaearai H

更新日期：2008-11-04 00:00:00

abstract：BACKGROUND:We investigated whether electrical stimulation (STIM) of efferent vagus nerves may suppress nuclear factor (NF)-kappaB activation and the inflammatory cascade in hemorrhagic (Hem) shock. METHODS AND RESULTS:Rats were subjected to bilateral cervical vagotomy (VGX) or sham surgical procedures. Hem shock was i...

journal_title：Circulation

authors： Guarini S,Altavilla D,Cainazzo MM,Giuliani D,Bigiani A,Marini H,Squadrito G,Minutoli L,Bertolini A,Marini R,Adamo EB,Venuti FS,Squadrito F

更新日期：2003-03-04 00:00:00

abstract：:Ventricular mural thrombi complicate many cardiac diseases. The endocardial endothelium can modulate the mechanical performance of subjacent myocardium and mediate responses to certain physiopharmacologic agents. We studied the effects of aggregating platelets on the contractile performance of isolated cardiac muscle....

journal_title：Circulation

authors： Shah AM,Meulemans AL,Brutsaert DL

更新日期：1989-06-01 00:00:00

abstract：BACKGROUND:The regulation of the cardiac neutral endopeptidase (EC 24.10, NEP) that degrades bradykinin and natriuretic peptides has been investigated in human cardiac hypertrophy and heart failure. Methods and Results- NEP mRNA was quantitated by real-time polymerase chain reaction (PCR) in left ventricular biopsies f...

journal_title：Circulation

authors： Fielitz J,Dendorfer A,Pregla R,Ehler E,Zurbrügg HR,Bartunek J,Hetzer R,Regitz-Zagrosek V

更新日期：2002-01-22 00:00:00

abstract：BACKGROUND:Adenosine acutely reconnects pulmonary veins (PVs) after radiofrequency application, revealing "dormant conduction" and identifying PVs at risk of reconnection, but the underlying mechanisms are unknown. METHODS AND RESULTS:Canine PV and left-atrial (LA) action potentials were recorded with standard microel...

journal_title：Circulation

authors： Datino T,Macle L,Qi XY,Maguy A,Comtois P,Chartier D,Guerra PG,Arenal A,Fernández-Avilés F,Nattel S

更新日期：2010-03-02 00:00:00

abstract：BACKGROUND:We previously demonstrated that reduced vagal activity and/or increased sympathetic activity identify post-myocardial infarction patients at high risk for cardiac mortality. Simple and inexpensive autonomic markers are necessary to perform autonomic screening in large populations. We tested our hypothesis th...

journal_title：Circulation

authors： Falcone C,Buzzi MP,Klersy C,Schwartz PJ

更新日期：2005-09-27 00:00:00

abstract：BACKGROUND:Left ventricular (LV) reconstruction surgery leads to early improvement in LV function in ischemic cardiomyopathy (ICM) patients. This study was designed to evaluate the impact of mitral valve (MV) repair associated with LV reconstruction on LV function 1-year after surgery in ICM patients assessed by real-t...

journal_title：Circulation

authors： Qin JX,Shiota T,McCarthy PM,Asher CR,Hail M,Agler DA,Popović ZB,Greenberg NL,Smedira NG,Starling RC,Young JB,Thomas JD

更新日期：2003-09-09 00:00:00

abstract：BACKGROUND:Endocardial mapping of sustained arrhythmias has traditionally been performed with a roving diagnostic catheter. Although this approach is adequate for many tachyarrhythmias, it has limitations. The purpose of this study was to evaluate a novel noncontact mapping system for assessing atrial tachyarrhythmias....

journal_title：Circulation

authors： Kadish A,Hauck J,Pederson B,Beatty G,Gornick C

更新日期：1999-04-13 00:00:00

abstract：BACKGROUND:Mesenchymal stem cells (MSCs) are bone marrow stromal cells that are in phase 1 clinical studies of cellular cardiomyoplasty. However, the electrophysiological effects of MSC transplantation have not been studied. Although improvement of ventricular function would represent a positive outcome of MSC transpla...

journal_title：Circulation

authors： Chang MG,Tung L,Sekar RB,Chang CY,Cysyk J,Dong P,Marbán E,Abraham MR

更新日期：2006-04-18 00:00:00

abstract：BACKGROUND:Beneficial effects of exercise training on cardiovascular function in chronic heart failure (CHF) have been suggested previously, but the underlying mechanisms are unknown. We tested whether daily exercise training improves systemic hemodynamics and preserves endothelium-mediated vasodilator function during ...

journal_title：Circulation

authors： Wang J,Yi GH,Knecht M,Cai BL,Poposkis S,Packer M,Burkhoff D

更新日期：1997-10-21 00:00:00

abstract：:The amplitude and distribution of epicardial ST-segment elevation (ST) were examined for an 8-hour period after coronary occlusion in eight baboons and five pigs. ST was determined from unipolar epicardial electrograms obtained from a high-resolution matrix of fixed electrodes overlying a transmural region of ischemia...

journal_title：Circulation

authors： Smith GT,Geary G,Ruf W,Roelofs TH,McNamara JJ

更新日期：1979-10-01 00:00:00

abstract：BACKGROUND:Autoantibodies against the beta 1-adrenoceptor have been detected in the sera of patients with idiopathic dilated cardiomyopathy (DCM). The mechanisms by which these autoantibodies can alter normal receptor function are investigated, and the results are interpreted in the light of the beneficial effects of b...

journal_title：Circulation

authors： Magnusson Y,Wallukat G,Waagstein F,Hjalmarson A,Hoebeke J

更新日期：1994-06-01 00:00:00

abstract：:Current imaging modalities can provide only a qualitative or semiquantitative measure of the severity of aortic regurgitation. Ultrafast computed tomography (CT) has the capability of rapid imaging (17 frames/sec) coupled with high spatial resolution (1.5 mm2). Eight millimeter thick images can be acquired to interrog...

journal_title：Circulation

authors： Reiter SJ,Rumberger JA,Stanford W,Marcus ML

更新日期：1987-09-01 00:00:00

abstract：BACKGROUND:Whether knowledge of genetic risk for coronary heart disease (CHD) affects health-related outcomes is unknown. We investigated whether incorporating a genetic risk score (GRS) in CHD risk estimates lowers low-density lipoprotein cholesterol (LDL-C) levels. METHODS AND RESULTS:Participants (n=203, 45-65 year...

journal_title：Circulation

authors： Kullo IJ,Jouni H,Austin EE,Brown SA,Kruisselbrink TM,Isseh IN,Haddad RA,Marroush TS,Shameer K,Olson JE,Broeckel U,Green RC,Schaid DJ,Montori VM,Bailey KR

更新日期：2016-03-22 00:00:00

abstract：BACKGROUND:Human salusins, related bioactive polypeptides with mitogenic effects on vascular smooth muscle cells and fibroblasts and roles in hemodynamic homeostasis, may be involved in the origin of coronary atherosclerosis. Macrophage foam cell formation, characterized by cholesterol ester accumulation, is modulated ...

journal_title：Circulation

authors： Watanabe T,Nishio K,Kanome T,Matsuyama TA,Koba S,Sakai T,Sato K,Hongo S,Nose K,Ota H,Kobayashi Y,Katagiri T,Shichiri M,Miyazaki A

更新日期：2008-02-05 00:00:00

abstract：BACKGROUND:Several methods have been developed to improve the efficacy of mechanical resuscitation, because organ perfusion achieved with conventional manual resuscitation is often insufficient. In animal studies, phased chest and abdominal compression-decompression resuscitation by use of the Lifestick device has resu...

journal_title：Circulation

authors： Arntz HR,Agrawal R,Richter H,Schmidt S,Rescheleit T,Menges M,Burbach H,Schröder J,Schultheiss HP

更新日期：2001-08-14 00:00:00