Early activation of the multicomponent signaling complex associated with focal adhesion kinase induced by pressure overload in the rat heart.

abstract：:The present study was designed to test the ability of regenerated endothelium to evoke endothelium-dependent hyperpolarizations. Hyperpolarizations induced by serotonin and bradykinin were compared in isolated porcine coronary arteries with native or regenerated endothelium, 4 weeks after balloon endothelial denudatio...

journal_title：Circulation research

authors： Thollon C,Bidouard JP,Cambarrat C,Delescluse I,Villeneuve N,Vanhoutte PM,Vilaine JP

更新日期：1999-03-05 00:00:00

abstract：:The mitochondrial enzyme monoamine oxidase (MAO), its isoform MAO-A, plays a major role in reactive oxygen species-dependent cardiomyocyte apoptosis and postischemic cardiac damage. In the current study, we investigated whether sphingolipid metabolism can account for mediating MAO-A- and reactive oxygen species-depend...

journal_title：Circulation research

authors： Pchejetski D,Kunduzova O,Dayon A,Calise D,Seguelas MH,Leducq N,Seif I,Parini A,Cuvillier O

更新日期：2007-01-05 00:00:00

abstract：:We investigated the combined effectiveness of intra-aortic balloon counterpulsation and hyperosmotic mannitol (25%) on regional myocardial blood flow during acute coronary insufficiency. Cardiac output and paced heart rate were held constant in chloralose-anesthetized dogs during right heart bypass. Acute coronary ins...

journal_title：Circulation research

authors： Watson JT,Fixler DE,Platt MR,Nall BB,Jett GK,Willerson JT

更新日期：1976-06-01 00:00:00

abstract：:Isovolumic relaxation abnormalities have been noted in the ischemic left ventricle, but altered end-diastolic distensibility, as well as the role of right ventricular distention, is debated. Accordingly, left ventricular end-diastolic pressure and myocardial segment length were studied in the open-chest dogs with crit...

journal_title：Circulation research

authors： Momomura S,Bradley AB,Grossman W

更新日期：1984-08-01 00:00:00

abstract：:To determine the mechanical factors affecting regional segmental motion after acute coronary occlusion, we studied seven conscious dogs, instrumented with sonomicrometers. Loading conditions were changed by the withdrawal of 500 ml of blood and the transfusion of 800 ml of blood. To express segmental motion, percent s...

journal_title：Circulation research

authors： Akaishi M,Weintraub WS,Schneider RM,Klein LW,Agarwal JB,Helfant RH

更新日期：1986-02-01 00:00:00

abstract：:Reperfusion of globally ischemic rat hearts causes the generation of inositol(1,4,5)trisphosphate [Ins(1,4,5)P3] and the initiation of arrhythmias. These responses are mediated by alpha1-adrenergic receptors (ARs), but the subtype of receptor involved has not been identified. Under normoxic conditions, hearts from tra...

journal_title：Circulation research

authors： Harrison SN,Autelitano DJ,Wang BH,Milano C,Du XJ,Woodcock EA

更新日期：1998-12-14 00:00:00

abstract：:An affinity gel for the purification of renin was prepared by coupling pepstatin to aminohexylagarose gel. Partially purified human renin (Haas et al., Arch. Biochem. Biophys., 110, 534-543, 1965) was purified further by affinity chromatography on the pepstatin-aminohexyl-agarose gel, gel filtration on a Sephadex G-75...

journal_title：Circulation research

authors： Murakami K,Inagami T,Haas E

更新日期：1977-10-01 00:00:00

abstract：:The inward current ("oscillatory current") which may be present after the end of a depolarizing clamp was studied in sheep cardiac Purkinje fibers by means of a voltage-clamp method. The following results were obtained. In order to appear, the oscillatory current (Ios) requires a previous depolarization to approximate...

journal_title：Circulation research

authors： Vassalle M,Mugelli A

更新日期：1981-05-01 00:00:00

abstract：:To elucidate the mechanisms responsible for the increase in alpha 1-adrenergic receptors during ischemia in vivo, we developed a procedure for measuring alpha 1-adrenergic receptors in isolated, calcium-tolerant adult canine myocytes. Specific [3H]prazosin binding was rapid, saturable, reversible, and demonstrated the...

journal_title：Circulation research

authors： Heathers GP,Yamada KA,Kanter EM,Corr PB

更新日期：1987-11-01 00:00:00

abstract：:The signaling pathways involved in the long-term metabolic effects of angiotensin II (Ang II) in vascular smooth muscle cells are incompletely understood but include the generation of molecules likely to affect oxidase activity. We examined the ability of Ang II to stimulate superoxide anion formation and investigated...

journal_title：Circulation research

authors： Griendling KK,Minieri CA,Ollerenshaw JD,Alexander RW

更新日期：1994-06-01 00:00:00

abstract：:The aims of the current study were to examine the efficacy of acetylcholine (ACh) to mimic ischemic preconditioning in dogs and to determine the role of nitric oxide (NO), muscarinic receptors, and ATP-sensitive K+ (KATP) channels in mediating its effects. Barbital-anesthetized open-chest dogs were subjected to 60 min...

journal_title：Circulation research

authors： Yao Z,Gross GJ

更新日期：1993-12-01 00:00:00

abstract：RATIONALE:The low-density lipoprotein (LDL) receptor (LDLR) is a central determinant of circulating LDL-cholesterol and as such subject to tight regulation. Recent studies and genetic evidence implicate the inducible degrader of the LDLR (IDOL) as a regulator of LDLR abundance and of circulating levels of LDL-cholester...

journal_title：Circulation research

authors： Nelson JK,Sorrentino V,Avagliano Trezza R,Heride C,Urbe S,Distel B,Zelcer N

更新日期：2016-02-05 00:00:00

abstract：:Endothelial cells isolated from bovine aortas without prior treatment with enzymes were cultured in RPMI 1640 medium containing 17% fetal calf serum and antibiotics. The endothelial cells at confluency (7 days) were similar to endothelium in situ or to freshly isolated endothelial cells from blood vessels as seen by l...

journal_title：Circulation research

authors： Shepro D,Batbouta JC,Robblee LS,Carson MP,Belamarich FA

更新日期：1975-06-01 00:00:00

abstract：:Myocardial stunning is a form of reversible myocardial ischemia/reperfusion injury associated with systolic and diastolic contractile dysfunction. In the isolated rat heart model, myocardial stunning is characterized by specific C-terminal proteolysis of the myofilament protein, troponin I (cTnI) that yields cTnI1-193...

journal_title：Circulation research

authors： Foster DB,Noguchi T,VanBuren P,Murphy AM,Van Eyk JE

更新日期：2003-11-14 00:00:00

abstract：:To determine the relative roles of cardiac and sinoaortic baroreceptors in mediation of arginine vasopressin (AVP) release, hemorrhage was performed in five groups of conscious splenectomized dogs: 1) all nerves intact; 2) either chronic surgical or acute pharmacological (intrapericardial lidocaine) cardiac denervatio...

journal_title：Circulation research

authors： Shen YT,Cowley AW Jr,Vatner SF

更新日期：1991-05-01 00:00:00

abstract：:Advances in immunosuppression have decreased the incidence of acute rejection, but the development of vasculopathy in the coronary arteries of transplants continues to limit the survival of cardiac allografts. Transplant vasculopathy has also been referred to as accelerated graft arteriosclerosis because it has featur...

journal_title：Circulation research

authors： Wehner J,Morrell CN,Reynolds T,Rodriguez ER,Baldwin WM 3rd

更新日期：2007-02-02 00:00:00

abstract：:The deposition of microspheres in small tissue regions is not strictly flow dependent. In comparison with the soluble flow marker 2-iododesmethylimipramine (IDMI), deposition of 16.5-microns microspheres was mildly but systematically biased into high flow regions of rabbit hearts (Bassingthwaighte JB, Malone MA, Moffe...

journal_title：Circulation research

authors： Bassingthwaighte JB,Malone MA,Moffett TC,King RB,Chan IS,Link JM,Krohn KA

更新日期：1990-05-01 00:00:00

abstract：:Pathological remodeling of the left ventricle (LV) after myocardial infarction (MI) is a major cause of heart failure. Although cardiac hypertrophy after increased loading conditions has been recognized as a clinical risk factor for human heart failure, it is unknown whether post-MI hypertrophic remodeling of the myoc...

journal_title：Circulation research

authors： van Rooij E,Doevendans PA,Crijns HJ,Heeneman S,Lips DJ,van Bilsen M,Williams RS,Olson EN,Bassel-Duby R,Rothermel BA,De Windt LJ

更新日期：2004-02-20 00:00:00

abstract：:Vascular endothelial cells respond to laminar shear stress by aligning in the direction of flow, a process which may contribute to atheroprotection. Here we report that localized alpha4 integrin phosphorylation is a mechanism for establishing the directionality of shear stress-induced alignment in microvascular endoth...

journal_title：Circulation research

authors： Goldfinger LE,Tzima E,Stockton R,Kiosses WB,Kinbara K,Tkachenko E,Gutierrez E,Groisman A,Nguyen P,Chien S,Ginsberg MH

更新日期：2008-07-18 00:00:00

abstract：:The fluorescent dye 2',7'-bis(carboxyethyl)-5,6-carboxyfluorescein (BCECF) was used to measure pHi in the spontaneously hypertensive rat (SHR) and in normal rat cardiac myocytes under nominally HCO3-free (20 mmol/L HEPES-buffered) conditions. When only the Na-H exchanger was blocked, the intrinsic buffering power (bet...

journal_title：Circulation research

authors： Wu ML,Tsai ML,Tseng YZ

更新日期：1994-07-01 00:00:00

abstract：:Triadin 1 (TRD) is an integral membrane protein that associates with the ryanodine receptor (RyR2), calsequestrin (CASQ2) and junctin to form a macromolecular Ca signaling complex in the cardiac junctional sarcoplasmic reticulum (SR). To define the functional role of TRD, we examined the effects of adenoviral-mediated...

journal_title：Circulation research

authors： Terentyev D,Cala SE,Houle TD,Viatchenko-Karpinski S,Gyorke I,Terentyeva R,Williams SC,Gyorke S

更新日期：2005-04-01 00:00:00

abstract：:We tested a number of hypotheses concerning the mechanism of K+-induced vasodilation of the coronary vascular bed. Blood flow in the circumflex artery was measured in pentobarbital-anesthetized, open-chest dogs. Intracircumflex artery bolus injections of 40 mumol of isomotic KCl produced decreases in coronary vascular...

journal_title：Circulation research

authors： Murray PA,Sparks HV

更新日期：1978-01-01 00:00:00

abstract：RATIONALE:The heart contains abundant interstitial and perivascular fibroblasts. Traditional views suggest that, under conditions of mechanical stress, cytokines, growth factors, and neurohumoral mediators stimulate fibroblast activation, inducing ECM (extracellular matrix) protein synthesis and promoting fibrosis and ...

journal_title：Circulation research

authors： Russo I,Cavalera M,Huang S,Su Y,Hanna A,Chen B,Shinde AV,Conway SJ,Graff J,Frangogiannis NG

更新日期：2019-04-12 00:00:00

abstract：:Ventricular muscle fibers from dog hearts were superfused with K+-free, high Ca2+ solutions after exposure to a K+-free, Ca2+-free superfusate. Following a series of driven action potentials, oscillatory after potentials (OAPs) were elicited in all 40 preparations at a resting potential of greater than -60 mV. The OAP...

journal_title：Circulation research

authors： Hiraoka M,Okamoto Y,Sano T

更新日期：1981-04-01 00:00:00

abstract：:Peripheral vasodilator responsiveness was examined in pacing-induced heart failure (HF) in 11 conscious dogs chronically instrumented for measurement of systemic (total peripheral resistance [TPR]) and local (iliac blood flow) vascular resistance. Dose responses to isoproterenol (ISO), acetylcholine (ACh), and nitrogl...

journal_title：Circulation research

authors： Kiuchi K,Sato N,Shannon RP,Vatner DE,Morgan K,Vatner SF

更新日期：1993-12-01 00:00:00

abstract：RATIONALE:Specialized pro-resolving mediators (SPM-lipoxins, resolvins, protectins, and maresins) are produced via the enzymatic conversion of essential fatty acids, including the omega-3 fatty acids docosahexaenoic acid and n-3 docosapentaenoic acid. These mediators exert potent leukocyte directed actions and control ...

journal_title：Circulation research

authors： Souza PR,Marques RM,Gomez EA,Colas RA,De Matteis R,Zak A,Patel M,Collier DJ,Dalli J

更新日期：2020-01-03 00:00:00

abstract：:We carried out a systematic study on the effects of elevating [K]o on the properties of a transient outward potassium channel encoded by a cardiac cDNA (RHK1) and compared them with those on two Shaker potassium channels (H-4 and H-37). The amino acid sequences of all three channels are known, and their structure-func...

journal_title：Circulation research

authors： Tseng GN,Tseng-Crank J

更新日期：1992-09-01 00:00:00

abstract：RATIONALE:Lymphatic vessels in the respiratory tract normally mature into a functional network during the neonatal period, but under some pathological conditions they can grow as enlarged, dilated sacs that result in the potentially lethal condition of pulmonary lymphangiectasia. OBJECTIVE:We sought to determine wheth...

journal_title：Circulation research

authors： Yao LC,Testini C,Tvorogov D,Anisimov A,Vargas SO,Baluk P,Pytowski B,Claesson-Welsh L,Alitalo K,McDonald DM

更新日期：2014-02-28 00:00:00

abstract：:The effects of acute hypoxemia and hypercapnic acidosis were examined in five unanesthetized dogs in which sodium intake was controlled at 80 mEq/24 hours for 4 days prior to study. Each animal was studied during combined acute hypoxemia and hypercapnic acidosis (Pao2 = 36 +/- 1 mm Hg, Paco2 = 52 +/- 1 mm Hg, pH = 7.1...

journal_title：Circulation research

authors： Rose CE Jr,Kimmel DP,Godine RL Jr,Kaiser DL,Carey RM

更新日期：1983-08-01 00:00:00

abstract：:We evaluated the contribution of intramural electrical events in initiation and maintenance of ventricular tachycardia in 15 dogs 3-8 days after either permanent (n = 2) or transient (n = 13) coronary artery occlusion. Seven of the dogs (47%) demonstrated eight distinct monomorphic ventricular tachycardia patterns whi...

journal_title：Circulation research

authors： Kramer JB,Saffitz JE,Witkowski FX,Corr PB

更新日期：1985-05-01 00:00:00