Anoxia-induced activation of ATP-sensitive K+ channels in guinea pig ventricular cells and its modulation by glycolysis.

abstract：OBJECTIVE:To investigate changes in human atrial single cell functional electrophysiological properties associated with chronic atrial fibrillation (AF), and the contribution to these of accompanying ion current changes. METHODS:The whole cell patch clamp technique was used to record action potentials, the effective r...

journal_title：Cardiovascular research

authors： Workman AJ,Kane KA,Rankin AC

更新日期：2001-11-01 00:00:00

abstract：OBJECTIVE:Earlier studies have revealed sarcolemmal (SL) defects in congestive heart failure due to myocardial infarction; however, the mechanisms of SL changes in the failing heart are poorly understood. Since congestive heart failure is associated with various metabolic abnormalities including a deficiency of carniti...

journal_title：Cardiovascular research

authors： Sethi R,Dhalla KS,Ganguly PK,Ferrari R,Dhalla NS

更新日期：1999-06-01 00:00:00

abstract：:The effects of L-propionylcarnitine on the recovery of cardiac contractile performance after global ischaemia and reperfusion were studied in isolated perfused rat hearts. The addition of either 5.5 or 11 mmol X litre-1 L-propionylcarnitine significantly improved the recovery of cardiac output, left ventricular pressu...

journal_title：Cardiovascular research

authors： Paulson DJ,Traxler J,Schmidt M,Noonan J,Shug AL

更新日期：1986-07-01 00:00:00

abstract：OBJECTIVE:Infusion of angiotensin II (AngII) during the third and fourth week after balloon injury of the left common carotid artery of the rat induces smooth muscle cell (SMC) DNA synthesis. In this study we wanted to investigate whether alpha 1-adrenoreceptors are involved in AngII-induced SMC DNA synthesis in the ne...

journal_title：Cardiovascular research

authors： van Kleef EM,Smits JF,Schwartz SM,Daemen MJ

更新日期：1996-02-01 00:00:00

abstract：AIMS:Both cyclooxygenase-2 (COX-2) and the transcription factor signal transducer and activator of transcription 3 (Stat3) are involved in adaptive growth and survival of cardiomyocytes. In ventricular cardiomyocytes, prostaglandin E(2) (PGE(2)), a major COX-2 product, leads to adaptive growth via Stat3 activation, but...

journal_title：Cardiovascular research

authors： Frias MA,Somers S,Gerber-Wicht C,Opie LH,Lecour S,Lang U

更新日期：2008-10-01 00:00:00

abstract：OBJECTIVE:To test the hypothesis that prolonged physical exercise induces long-lasting effects on blood pressure and heart rate we studied 17 endurance runners before and after the 1995 Sandia Wilderness Crossing Research Run (46 km of rocky trails, average altitude 2500 m). METHODS:We evaluated the response of the ca...

journal_title：Cardiovascular research

authors： Bernardi L,Passino C,Robergs R,Appenzeller O

更新日期：1997-05-01 00:00:00

abstract：AIMS:The channel function of the cardiac ryanodine receptor (RyR2) is modulated by calmodulin (CaM). However, the involvement of CaM in aberrant Ca(2+) release in diseased hearts remains unclear. Here, we investigated the pathogenic role of defective CaM binding to the RyR2 in the channel dysfunction associated with he...

journal_title：Cardiovascular research

authors： Hino A,Yano M,Kato T,Fukuda M,Suetomi T,Ono M,Murakami W,Susa T,Okuda S,Doi M,Kobayashi S,Yamamoto T,Koseki N,Kyushiki H,Ikemoto N,Matsuzaki M

更新日期：2012-12-01 00:00:00

abstract：AIMS:We analysed the possible protective role of human endothelial (EPCs) and smooth muscle (SPCs) progenitor cells on atherosclerosis development in apoE(-/-)RAG2(-/-) mice. We determined plasma levels of SPCs in coronary patients. METHODS AND RESULTS:ApoE(-/-)RAG2(-/-) mice received four intravenous injections of sa...

journal_title：Cardiovascular research

authors： Zoll J,Fontaine V,Gourdy P,Barateau V,Vilar J,Leroyer A,Lopes-Kam I,Mallat Z,Arnal JF,Henry P,Tobelem G,Tedgui A

更新日期：2008-02-01 00:00:00

abstract：AIMS:We investigated the molecular mechanism of rapid-depolarization-induced atrial fibrosis. METHODS AND RESULTS:We used a direct atrial myocyte-fibroblast contact co-culture and a fibroblast-specific transforming growth factor β1 (TGF-β1), connective tissue growth factor (CTGF) and procollagen type I α-1 (COL1A1) lu...

journal_title：Cardiovascular research

authors： Tsai CT,Tseng CD,Hwang JJ,Wu CK,Yu CC,Wang YC,Chen WP,Lai LP,Chiang FT,Lin JL

更新日期：2011-03-01 00:00:00

abstract：OBJECTIVES:Conduction of vasoconstrictor and vasodilator responses in the microcirculation involves electrical coupling through gap junction channels among cells of the vascular wall. The present study determined whether reported differences in the properties of conduction along the arterioles of the epithelial hamster...

journal_title：Cardiovascular research

authors： Sandow SL,Looft-Wilson R,Doran B,Grayson TH,Segal SS,Hill CE

更新日期：2003-12-01 00:00:00

abstract：AIMS:Animal studies show that transforming growth factor-β1 (TGF-β1) is an important mediator of atrial fibrosis and atrial fibrillation (AF). This study investigated the role of TGF-β1 in human AF and the mechanism of atrial-selective fibrosis. METHODS AND RESULTS:Atrial specimens from 17 open heart surgery patients ...

journal_title：Cardiovascular research

authors： Rahmutula D,Marcus GM,Wilson EE,Ding CH,Xiao Y,Paquet AC,Barbeau R,Barczak AJ,Erle DJ,Olgin JE

更新日期：2013-09-01 00:00:00

abstract：OBJECTIVE:Although aldosterone has been implicated in the pathogenesis of cardiac hypertrophy and heart failure, its cellular mechanism of action on cardiomyocyte function is not yet completely elucidated. This study was designed to investigate the effect of aldosterone on calcium channel expression and cardiomyocyte c...

journal_title：Cardiovascular research

authors： Lalevée N,Rebsamen MC,Barrère-Lemaire S,Perrier E,Nargeot J,Bénitah JP,Rossier MF

更新日期：2005-08-01 00:00:00

abstract：AIMS:Notch signalling is essential for blood vessel formation. During angiogenesis, the Notch ligand DLL4 on the leading tip cell activates Notch receptors on the adjacent stalk cells. DLL4-Notch signalling is impaired by the Notch ligand JAG1 in endothelial cells. The Delta/Serrate/Lag2 (DSL) domain of the Notch ligan...

journal_title：Cardiovascular research

authors： Klose R,Berger C,Moll I,Adam MG,Schwarz F,Mohr K,Augustin HG,Fischer A

更新日期：2015-07-01 00:00:00

abstract：OBJECTIVE:We recently demonstrated in our swine model of coronary artery spasm that enhanced myosin light chain (MLC) phosphorylations (both MLC mono- and diphosphorylations) play a central role in the pathogenesis of the spasm. However, the molecular mechanism for and the phosphorylation sites for the enhanced MLC pho...

journal_title：Cardiovascular research

authors： Shimokawa H,Seto M,Katsumata N,Amano M,Kozai T,Yamawaki T,Kuwata K,Kandabashi T,Egashira K,Ikegaki I,Asano T,Kaibuchi K,Takeshita A

更新日期：1999-09-01 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：Aims:Currently, efficient regimens to reverse atherosclerotic plaques are not available in the clinic. Herein, we present sonodynamic therapy (SDT) as a novel methodology to rapidly inhibit progression of atherosclerotic plaques. Methods and results:In atherosclerotic rabbit and apoE-deficient mouse models, SDT effici...

journal_title：Cardiovascular research

authors： Sun X,Guo S,Yao J,Wang H,Peng C,Li B,Wang Y,Jiang Y,Wang T,Yang Y,Cheng J,Wang W,Cao Z,Zhao X,Li X,Sun J,Yang J,Tian F,Chen X,Li Q,Gao W,Shen J,Zhou Q,Wang P,Li Z,Tian Z,Zhang Z,Cao W,Li M,Tian Y

更新日期：2019-01-01 00:00:00

abstract：:In isolated electrically stimulated guinea pig papillary muscles tiapamil exerts a negative inotropic action that corresponds to its presumptive inhibitory effects on the slow-channel-mediated transmembrane Ca2+ influx. However, contractile depression is always accompanied by marked alterations of the normal Na+-carri...

journal_title：Cardiovascular research

authors： Späh F

更新日期：1986-01-01 00:00:00

abstract：AIMS:Ventricular remodelling following myocardial infarction progressively leads to loss of contractile capacity and heart failure. Although calcineurin promotes maladaptive cardiac hypertrophy, we recently showed that the calcineurin splicing variant, CnAβ1, has beneficial effects on the infarcted heart. However, whet...

journal_title：Cardiovascular research

authors： López-Olañeta MM,Villalba M,Gómez-Salinero JM,Jiménez-Borreguero LJ,Breckenridge R,Ortiz-Sánchez P,García-Pavía P,Ibáñez B,Lara-Pezzi E

更新日期：2014-06-01 00:00:00

abstract：OBJECTIVE:Catechol O-methyltransferase (COMT) is believed to exert degradative action at high norepinephrine (NE) levels. Although COMT exists in cardiac tissues, the contribution of cardiac COMT activity to regional NE kinetics, particularly in ischemia-induced NE accumulation, remains unclear. We investigated the rol...

journal_title：Cardiovascular research

authors： Fujii T,Yamazaki T,Akiyama T,Sano S,Mori H

更新日期：2004-10-01 00:00:00

abstract：OBJECTIVE:The aim of this study was to evaluate the possible role of prostacyclin (PGI2) in the pathogenesis of hypertension in spontaneously hypertensive rats (SHR). METHODS:Measurement of mRNA and protein levels of PGH synthase (PGHS)-1, PGI2 synthase and the PGI2 receptor, in the thoracic aorta was performed in SHR...

journal_title：Cardiovascular research

authors： Numaguchi Y,Harada M,Osanai H,Hayashi K,Toki Y,Okumura K,Ito T,Hayakawa T

更新日期：1999-03-01 00:00:00

abstract：OBJECTIVE:The aim was to validate echocardiographic assessment of acute changes of left ventricular stroke volume in normal rats. METHODS:By transthoracic use of a 7.5 MHz ultrasonic transducer, the left ventricular dimensions were determined before and during rapid atrial pacing and saline infusion in seven Wistar ra...

journal_title：Cardiovascular research

authors： Nakamura T,Matsumuro A,Kuribayashi T,Matsubara K,Shima M,Shimoo K,Katsume H,Nakagawa M

更新日期：1992-08-01 00:00:00

abstract：:End tidal PCO2 (PETCO2) has been found to be a good prognostic indicator of successful resuscitation from cardiac arrest. To explore the value of this measurement further, we carried out a series of experiments during cardiac arrest and closed chest resuscitation in 14 mechanically ventilated Sprague-Dawley rats. Vent...

journal_title：Cardiovascular research

authors： von Planta M,von Planta I,Weil MH,Bruno S,Bisera J,Rackow EC

更新日期：1989-04-01 00:00:00

abstract：AIMS:The molecular mechanisms controlling heart function and rhythmicity are incompletely understood. While it is widely accepted that the type 2 ryanodine receptor (Ryr2) is the major Ca(2+) release channel in excitation-contraction coupling, the role of these channels in setting a consistent beating rate remains cont...

journal_title：Cardiovascular research

authors： Bround MJ,Asghari P,Wambolt RB,Bohunek L,Smits C,Philit M,Kieffer TJ,Lakatta EG,Boheler KR,Moore ED,Allard MF,Johnson JD

更新日期：2012-12-01 00:00:00

abstract：:Mechanical stress signals transmitted through the heart walls during hemodynamic loading are sensed by the myocytes, which respond with changes in contractile performance and gene expression. External forces play an important role in physiological heart development and hypertrophy, but disruption of the well-balanced ...

journal_title：Cardiovascular research

authors： Linke WA

更新日期：2008-03-01 00:00:00

abstract：OBJECTIVES:Epidemiological evidence in humans suggests that intrauterine growth retardation is associated with an increased risk of hypertension and coronary heart disease in later life. To begin to understand the mechanisms involved, we developed and exploited a rat model of intrauterine growth retardation to assess p...

journal_title：Cardiovascular research

authors： Hu XW,Levy A,Hart EJ,Nolan LA,Dalton GR,Levi AJ

更新日期：2000-11-01 00:00:00

abstract：OBJECTIVE:Transiently altering the atrial activation sequence induces atrial memory, manifested as an altered atrial gradient as measured in electrocardiographic XYZ leads. We hypothesized that protracted periods of left atrial impulse initiation alter the atrial gradient in a manner predictive of arrhythmias. METHODS...

journal_title：Cardiovascular research

authors： Chandra P,Rosen TS,Herweg B,Danilo P Jr,Rosen MR

更新日期：2003-11-01 00:00:00

abstract：AIMS:We have demonstrated an important role of bone marrow-derived stem cells in preservation of myocardial function. We investigated whether Akt-1 of lin(-)c-kit(+) stem cells preserves ventricular function following myocardial infarction (MI). METHODS AND RESULTS:Isolated lin(-)c-kit(+) cells were conjugated with an...

journal_title：Cardiovascular research

authors： Tseng A,Stabila J,McGonnigal B,Yano N,Yang MJ,Tseng YT,Davol PA,Lum LG,Padbury JF,Zhao TC

更新日期：2010-09-01 00:00:00

abstract：:Physical training has been advocated to minimize the problems associated with coronary heart disease; however, the responsible mechanisms are obscure. Rats trained to run on a treadmill were subjected to acute conditions of hypoxia and myocardial ischaemia. Trained rats were better able to maintain a higher level of c...

journal_title：Cardiovascular research

authors： Carey RA,Tipton CM,Lund DR

更新日期：1976-05-01 00:00:00

abstract：:In the superior vena cava of anaesthetised open chest dogs the axial pressure gradient was measured simultaneously with the blood flow velocity under different preload conditions. Both pressure gradient and velocity curves showed distinct systolic and diastolic waves. Peak pressure gradient ranged between 26 and 93 Pa...

journal_title：Cardiovascular research

authors： Minten J,Van de Werf F,Eaubert A,De Geest H

更新日期：1986-12-01 00:00:00

abstract：:Ultrasound has become a useful high resolution imaging modality for examining the cardiac microcirculation. With the use of microbubbles as an ultrasound contrast agent, ultrasound can be utilized to image the microcirculation and detect capillary flow abnormalities in acute ischaemia. A wide range of ultrasound frequ...

journal_title：Cardiovascular research

authors： Porter TR

更新日期：2009-09-01 00:00:00