Proliferation in primary and restenotic coronary atherectomy tissue. Implications for antiproliferative therapy.

abstract：:The synthesis of an angiotensin II (A II) antagonist, sarcosyl1-cysteinyl(S-methyl)8-angiotensin II [Sar1-Cys(Me)8-A II], showing partial organ selectivity and properties of a noncompetitive antagonist, is described. The compound was found to be an extremely potent antagonist on vascular smooth muscle both in vitro (p...

journal_title：Circulation research

authors： Freer RJ,Sutherland JC Jr,Day AR

更新日期：1980-05-01 00:00:00

abstract：RATIONALE:Allogeneic mesenchymal precursor cells (MPCs) have been effective in large animal models of ischemic and nonischemic heart failure (HF). OBJECTIVE:To evaluate the feasibility and safety of 3 doses (25, 75, or 150 million cells) of immunoselected allogeneic MPCs in chronic HF patients in a phase 2 trial. MET...

journal_title：Circulation research

authors： Perin EC,Borow KM,Silva GV,DeMaria AN,Marroquin OC,Huang PP,Traverse JH,Krum H,Skerrett D,Zheng Y,Willerson JT,Itescu S,Henry TD

更新日期：2015-08-28 00:00:00

abstract：:The contribution of centrally originating sympathetic activity to the myocardial extracellular accumulation of noradrenaline during the early phase of ischemia has been assessed in a perfused (Langendorff) rat heart preparation isolated except for its sympathetic innervation. A 10-minute electrical stimulation (4 Hz, ...

journal_title：Circulation research

authors： Dart AM,Schömig A,Dietz R,Mayer E,Kübler W

更新日期：1984-11-01 00:00:00

abstract：:Glibenclamide, one of the antidiabetic sulfonylureas, is known to block ATP-dependent K+ channels. We used this drug to determine to what extent K+ loss from acutely ischemic myocardium is mediated via these channels. We also investigated whether glibenclamide would influence ischemic arrhythmias. Isolated rat hearts ...

journal_title：Circulation research

authors： Kantor PF,Coetzee WA,Carmeliet EE,Dennis SC,Opie LH

更新日期：1990-02-01 00:00:00

abstract：:Connexin40 (Cx40) is a major gap junction protein that is expressed in the His-Purkinje system and thought to be a critical determinant of cell-to-cell communication and conduction of electrical impulses. Video maps of the ventricular epicardium and the proximal segment of the right bundle branch (RBB) were obtained u...

journal_title：Circulation research

authors： Tamaddon HS,Vaidya D,Simon AM,Paul DL,Jalife J,Morley GE

更新日期：2000-11-10 00:00:00

abstract：:Activin is a member of the transforming growth factor-beta superfamily, and it modulates the proliferation and differentiation of various target cells. In this study, we investigated the role of activin in the initiation and progression of human atherosclerosis. The expression of activin, its physiological inhibitor f...

journal_title：Circulation research

authors： Engelse MA,Neele JM,van Achterberg TA,van Aken BE,van Schaik RH,Pannekoek H,de Vries CJ

更新日期：1999-11-12 00:00:00

abstract：:Abnormalities of myocardial gap junction-mediated cell coupling have been implicated in cardiac arrhythmogenesis. The potential role of gap junctional dysfunction in the generation of reperfusion-induced arrhythmias is uncertain. The purpose of this study was to measure the effects of myocardial ischemia and reperfusi...

journal_title：Circulation research

authors： Kieval RS,Spear JF,Moore EN

更新日期：1992-07-01 00:00:00

abstract：:alpha-Adrenergic receptor stimulation regulates the activity of a number of different cardiac ion channels, including those underlying one or more distinct Cl- conductances. The whole-cell patch-clamp technique was used in the present study to investigate the effects of alpha-adrenergic stimulation on the beta-adrener...

journal_title：Circulation research

authors： Oleksa LM,Hool LC,Harvey RD

更新日期：1996-06-01 00:00:00

abstract：:Subthreshold potentials are thought to be mediated by time-independent, "passive" background currents. In this study, we show that the background current-voltage (I-V) relation of guinea pig ventricular myocytes is changed significantly by repetitive stimulation, in such a way that cell excitability becomes enhanced. ...

journal_title：Circulation research

authors： Delmar M,Ibarra J,Davidenko J,Lorente P,Jalife J

更新日期：1991-11-01 00:00:00

abstract：:Prolongation of the action potential has been postulated to be a major reason for the altered diastolic relaxation of the heart in patients with severe heart failure. To investigate the electrophysiological basis for this action potential prolongation in terminal heart failure, K+ currents were recorded in single vent...

journal_title：Circulation research

authors： Beuckelmann DJ,Näbauer M,Erdmann E

更新日期：1993-08-01 00:00:00

abstract：RATIONALE:One of the physiological mechanisms by which the heart adapts to a rise in blood pressure is by augmenting myocyte stretch-mediated intracellular calcium, with a subsequent increase in contractility. This slow force response was first described over a century ago and has long been considered compensatory, but...

journal_title：Circulation research

authors： Cingolani OH,Kirk JA,Seo K,Koitabashi N,Lee DI,Ramirez-Correa G,Bedja D,Barth AS,Moens AL,Kass DA

更新日期：2011-12-09 00:00:00

abstract：:To determine whether the attenuation in the growth capacity of myocytes in the overloaded aging heart is associated with an impairment in the activation of insulin-like growth factor-1 (IGF-1) and its receptor (IGF-1R) in the stressed cells, large myocardial infarcts were produced in Fischer 344 rats at 4 and 16 month...

journal_title：Circulation research

authors： Cheng W,Reiss K,Li P,Chun MJ,Kajstura J,Olivetti G,Anversa P

更新日期：1996-04-01 00:00:00

abstract：:In our morphometric study of the effects of exercise on the heart, male Wistar-Kyoto rats at 5 weeks of age were subjected daily to a moderate treadmill running program that lasted for 7 weeks. The heart responded to physical conditioning by different magnitudes of tissue growth of the right (22%) and left (7%) ventri...

journal_title：Circulation research

authors： Anversa P,Levicky V,Beghi C,McDonald SL,Kikkawa Y

更新日期：1983-01-01 00:00:00

abstract：:We tested the hypothesis that impairment of flow-dependent dilator mechanisms of skeletal muscle arterioles is one of the underlying reasons for the increased peripheral resistance in hypertension. Isolated, cannulated arterioles (approximately 55 microns) of gracilis muscle of 12-week-old spontaneously hypertensive (...

journal_title：Circulation research

authors： Koller A,Huang A

更新日期：1994-03-01 00:00:00

abstract：:Muscle ring finger (MuRF) proteins have been implicated in transmitting mechanical forces to cell signaling pathways through their interactions with the giant protein titin. Recent evidence has linked mechanically-induced stimuli with the control of serum response factor activity and localization through MuRF2. This o...

journal_title：Circulation research

authors： Willis MS,Ike C,Li L,Wang DZ,Glass DJ,Patterson C

更新日期：2007-03-02 00:00:00

abstract：:Smooth muscle cell migration in response to platelet-derived growth factor (PDGF) is a key event in several vascular pathologies, including atherosclerosis and restenosis. PDGF increases intracellular levels of reactive oxygen species (ROS) in vascular smooth muscle cells (VSMCs), but the ROS sensitivity of migration ...

journal_title：Circulation research

authors： Weber DS,Taniyama Y,Rocic P,Seshiah PN,Dechert MA,Gerthoffer WT,Griendling KK

更新日期：2004-05-14 00:00:00

abstract：:Arteries from deoxycorticosterone acetate (DOCA)-salt and N(omega)-nitro-L-arginine (L-NNA) hypertensive but not normotensive rats develop spontaneous tone. LY294002 and wortmannin, phosphoinositide 3-kinase (PI3-kinase) inhibitors, eliminate spontaneous tone. We hypothesized that PI3-kinase protein and/or activity wa...

journal_title：Circulation research

authors： Northcott CA,Poy MN,Najjar SM,Watts SW

更新日期：2002-08-23 00:00:00

abstract：:The smooth muscle myosin heavy chain (SM-MHC) gene encodes a major contractile protein whose expression exclusively marks the smooth muscle cell (SMC) lineage. To better understand smooth muscle differentiation at the transcriptional level, we have initiated studies to identify those DNA sequences critical for express...

journal_title：Circulation research

authors： Madsen CS,Regan CP,Hungerford JE,White SL,Manabe I,Owens GK

更新日期：1998-05-04 00:00:00

abstract：:In studies that attempt to measure intracellular calcium [( Ca2+]i) in the intact heart with the calcium indicator indo 1-AM, a fundamental assumption is that the signals report changes in myocyte [Ca2+]i. We studied isolated perfused rabbit hearts loaded with the calcium probe indo 1-AM and recorded surface fluoresce...

journal_title：Circulation research

authors： Lorell BH,Apstein CS,Cunningham MJ,Schoen FJ,Weinberg EO,Peeters GA,Barry WH

更新日期：1990-08-01 00:00:00

abstract：RATIONALE:A hallmark of chronic inflammatory disorders is persistence of proinflammatory macrophages in diseased tissues. In atherosclerosis, this is associated with dyslipidemia and oxidative stress, but mechanisms linking these phenomena to macrophage activation remain incompletely understood. OBJECTIVE:To investiga...

journal_title：Circulation research

authors： Chen Y,Yang M,Huang W,Chen W,Zhao Y,Schulte ML,Volberding P,Gerbec Z,Zimmermann MT,Zeighami A,Demos W,Zhang J,Knaack DA,Smith BC,Cui W,Malarkannan S,Sodhi K,Shapiro JI,Xie Z,Sahoo D,Silverstein RL

更新日期：2019-12-06 00:00:00

abstract：:Caspase-1 processes the interleukin (IL)-1beta and IL-18 inactive precursors to the biologically active cytokines that are known to have proatherogenic effects. The present study investigated the genetic variability of the CASP1 gene and plasma levels of caspase-1 in relation to cardiovascular risk. In Europeans, 3 ta...

journal_title：Circulation research

authors： Blankenberg S,Godefroy T,Poirier O,Rupprecht HJ,Barbaux S,Bickel C,Nicaud V,Schnabel R,Kee F,Morrison C,Evans A,Lackner KJ,Cambien F,Münzel T,Tiret L,AtheroGene Investigators.

更新日期：2006-07-07 00:00:00

abstract：:Previous studies have shown that integrin activation and fluid shear stress can modulate the activity of sterol regulatory element binding proteins (SREBPs) in vascular endothelial cells. We investigated the role of small GTPase Rho-mediated signal transduction pathway in this mode of SREBP activation. Fluid shear str...

journal_title：Circulation research

authors： Lin T,Zeng L,Liu Y,DeFea K,Schwartz MA,Chien S,Shyy JY

更新日期：2003-06-27 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:Inactivating mutations in the Forkhead Box transcription factor F1 (FOXF1) gene locus are frequently found in patients with alveolar capillary dysplasia with misalignment of pulmonary veins, a lethal congenital disorder, which is characterized by severe abnormalities in the respiratory, cardiovascular, and ga...

journal_title：Circulation research

authors： Ren X,Ustiyan V,Pradhan A,Cai Y,Havrilak JA,Bolte CS,Shannon JM,Kalin TV,Kalinichenko VV

更新日期：2014-09-26 00:00:00

abstract：RATIONALE:In normal and diseased vascular smooth muscle (SM), the RhoA pathway, which is activated by multiple agonists through G protein-coupled receptors (GPCRs), plays a central role in regulating basal tone and peripheral resistance. This occurs through inhibition of myosin light chain phosphatase, leading to incre...

journal_title：Circulation research

authors： Momotani K,Artamonov MV,Utepbergenov D,Derewenda U,Derewenda ZS,Somlyo AV

更新日期：2011-10-14 00:00:00

abstract：:It has been demonstrated by other investigators that endothelium-dependent vasodilators are more effective on arterial tissue than on venous tissue. The purpose of this study was to determine if this was due to a difference in the sensitivity of arterial and venous smooth muscle to the endothelial dilator (EDRF) or to...

journal_title：Circulation research

authors： Seidel CL,LaRochelle J

更新日期：1987-04-01 00:00:00

abstract：:We administered ascitic fluid containing atrial natriuretic factor (ANF) monoclonal antibody to rats after 3 weeks of exposure to hypoxia while the rats were still hypoxic. In additional chronically hypoxic rats, we infused synthetic rat ANF. In conscious chronically instrumented rats, after a bolus dose of 5 microgra...

journal_title：Circulation research

authors： Raffestin B,Levame M,Eddahibi S,Viossat I,Braquet P,Chabrier PE,Cantin M,Adnot S

更新日期：1992-01-01 00:00:00

abstract：RATIONALE:In the myocardium, redox/cysteine modification of proteins regulating Ca(2+) cycling can affect contraction and may have therapeutic value. Nitroxyl (HNO), the one-electron-reduced form of nitric oxide, enhances cardiac function in a manner that suggests reversible cysteine modifications of the contractile ma...

journal_title：Circulation research

authors： Gao WD,Murray CI,Tian Y,Zhong X,DuMond JF,Shen X,Stanley BA,Foster DB,Wink DA,King SB,Van Eyk JE,Paolocci N

更新日期：2012-09-28 00:00:00

abstract：RATIONALE:Mutations in GJC2 and GJA1, encoding Cxs (connexins) 47 and 43, respectively, are linked to lymphedema, but the underlying mechanisms are unknown. Because efficient lymph transport relies on the coordinated contractions of lymphatic muscle cells (LMCs) and their electrical coupling through Cxs, Cx-related lym...

journal_title：Circulation research

authors： Castorena-Gonzalez JA,Zawieja SD,Li M,Srinivasan RS,Simon AM,de Wit C,de la Torre R,Martinez-Lemus LA,Hennig GW,Davis MJ

更新日期：2018-09-28 00:00:00

abstract：:The responses of cardiac mitochondria to anoxia may be evaluated in terms of the oxidation-reduction state of the electron carriers and the ability of the mitochondria to function in energy-linked reactions. The previous detailed evaluation of the oxygen requirements for electron transfer in mitochondria is here exten...

journal_title：Circulation research

authors： Chance B

更新日期：1976-05-01 00:00:00