Molecular pathway for the localized formation of the sinoatrial node.

abstract：RATIONALE:Mitochondria, although required for cellular ATP production, are also known to have other important functions that may include modulating cellular responses to environmental stimuli. However, the mechanisms whereby mitochondria impact cellular phenotype are not yet clear. OBJECTIVE:To determine how mitochond...

journal_title：Circulation research

authors： Shimasaki Y,Pan N,Messina LM,Li C,Chen K,Liu L,Cooper MP,Vita JA,Keaney JF Jr

更新日期：2013-09-13 00:00:00

abstract：:The purpose of these experiments was to determine whether or not acetylcholine modulated the electrophysiological effects of isoproterenol on canine cardiac Purkinje fibers. Conventional microelectrode techniques were used. Predictably, isoproterenol produced shortening of action potential duration; acetylcholine sign...

journal_title：Circulation research

authors： Bailey JC,Watanabe AM,Besch HR Jr,Lathrop DA

更新日期：1979-03-01 00:00:00

abstract：:A distal transcriptional enhancer has been previously reported upstream of the mouse renin gene. A homologous sequence is also present upstream of the human renin gene, but the mouse and human renin enhancers differ markedly in their ability to activate transcription of a renin promoter. Although the 2 enhancers share...

journal_title：Circulation research

authors： Shi Q,Black TA,Gross KW,Sigmund CD

更新日期：1999-09-17 00:00:00

abstract：:We studied the effects of rapid atrial pacing during the final 10 minutes of a 70-minute, 31% reduction in coronary blood flow in anesthetized swine to understand the significance of apparent metabolic improvements during the initial 60 minutes of segmental ischemia. Within 5-10 minutes of ischemia, subendocardial pho...

journal_title：Circulation research

authors： Arai AE,Pantely GA,Anselone CG,Bristow J,Bristow JD

更新日期：1991-12-01 00:00:00

abstract：:Bone morphogenetic proteins (BMPs) play important roles in cardiovascular development. However, how BMP-signaling pathways regulate cardiac gene expression is less clear. We have previously identified myocardin as a cardiac and smooth muscle-specific transcriptional cofactor for serum response factor (SRF). Myocardin ...

journal_title：Circulation research

authors： Callis TE,Cao D,Wang DZ

更新日期：2005-11-11 00:00:00

abstract：:The purpose of this study was to determine whether a quantitative relationship existed between a reduction in regional myocardial blood flow, measured by radiolabeled microspheres, and the degree and type of changes in myocardial activation recorded in bipolar left ventricular subepicardial and subendocardial electrog...

journal_title：Circulation research

authors： Ruffy R,Lovelace DE,Mueller TM,Knoebel SB,Zipes DP

更新日期：1979-12-01 00:00:00

abstract：RATIONALE:Despite significant interest in bone marrow mononuclear cell (BMC) therapy for ischemic heart disease, current techniques have resulted in only modest benefits. However, selected patients have shown improvements after autologous BMC therapy, but the contributing factors are unclear. OBJECTIVE:The purpose of ...

journal_title：Circulation research

authors： Schutt RC,Trachtenberg BH,Cooke JP,Traverse JH,Henry TD,Pepine CJ,Willerson JT,Perin EC,Ellis SG,Zhao DX,Bhatnagar A,Johnstone BH,Lai D,Resende M,Ebert RF,Wu JC,Sayre SL,Orozco A,Zierold C,Simari RD,Moyé L,Cogle

更新日期：2015-01-02 00:00:00

abstract：:Whereas numerous studies have investigated the role of prostacyclin and thromboxane A2 in the maintenance of coronary blood flow, most of these have focused on normal vessels. In the present investigation, we examined the prostaglandin- and thromboxane-synthesizing capacity of isolated coronary artery segments obtaine...

journal_title：Circulation research

authors： Schmitz JM,Apprill PG,Buja LM,Willerson JT,Campbell WB

更新日期：1985-08-01 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:Studies have demonstrated that exosomes can repair cardiac tissue post-myocardial infarction and recapitulate the benefits of cellular therapy. OBJECTIVE:We evaluated the role of donor age and hypoxia of human pediatric cardiac progenitor cell (CPC)-derived exosomes in a rat model of ischemia-reperfusion inj...

journal_title：Circulation research

authors： Agarwal U,George A,Bhutani S,Ghosh-Choudhary S,Maxwell JT,Brown ME,Mehta Y,Platt MO,Liang Y,Sahoo S,Davis ME

更新日期：2017-02-17 00:00:00

abstract：RATIONALE:We studied a possibility that shRNAs can lead to transcriptional gene activation at the promoter level via epigenetic mechanism. OBJECTIVE:The purpose of this study was to test the effects on vascular endothelial growth factor (VEGF-A) expression by promoter targeted small hairpin RNAs (shRNAs) in vitro and ...

journal_title：Circulation research

authors： Turunen MP,Lehtola T,Heinonen SE,Assefa GS,Korpisalo P,Girnary R,Glass CK,Väisänen S,Ylä-Herttuala S

更新日期：2009-09-11 00:00:00

abstract：:Radiolabeled triiodothyronine (T3) binding to isolated nuclei was measured to compare the binding characteristics of the nuclear receptors in rabbit ventricular and atrial muscle cells. Scatchard analysis of the binding data yielded a maximum binding capacity of 170 +/- 20 fmol per mg DNA and apparent dissociation con...

journal_title：Circulation research

authors： Banerjee SK,Ulrich JM,Kaldor GJ

更新日期：1988-07-01 00:00:00

abstract：:We have previously shown that VEGF165 gene delivery into ischemic skeletal muscle exerts not only proangiogenic, but also remarkable antiapoptotic and proregenerative activity. The aim of this study was to determine whether recombinant adeno-associated virus (rAAV)-mediated gene delivery of VEGF165 into cardiac muscle...

journal_title：Circulation research

authors： Ferrarini M,Arsic N,Recchia FA,Zentilin L,Zacchigna S,Xu X,Linke A,Giacca M,Hintze TH

更新日期：2006-04-14 00:00:00

abstract：:Experiments were performed to investigate whether balloon injury induces nitric oxide synthase activity in the blood vessel wall. Contractions to phenylephrine were compared in left carotid arteries of the rat, previously injured by balloon catheterization and excised either immediately (t = 0), 6, or 24 hours after t...

journal_title：Circulation research

authors： Joly GA,Schini VB,Vanhoutte PM

更新日期：1992-08-01 00:00:00

abstract：:Disturbances in cardiac metabolism underlie most cardiovascular diseases. Metabolomics, one of the newer omics technologies, has emerged as a powerful tool for defining changes in both global and cardiac-specific metabolism that occur across a spectrum of cardiovascular disease states. Findings from metabolomics studi...

journal_title：Circulation research

authors： McGarrah RW,Crown SB,Zhang GF,Shah SH,Newgard CB

更新日期：2018-04-27 00:00:00

abstract：:Growing evidence exists that ATP-sensitive mitochondrial potassium channels (MitoKATP channel) are a major contributor to the cardiac protection against ischemia. Given the importance of mitochondria in the cardiac cell, we tested whether the potent and specific opener of the MitoKATP channel diazoxide attenuates the ...

journal_title：Circulation research

authors： Wang Y,Ashraf M

更新日期：1999-05-28 00:00:00

abstract：:Shear stress caused by the frictional forces of a fluid moving over a cell monolayer is an important regulator of gene expression. In this study, we investigated the effect of shear stress on angiotensin-converting enzyme (ACE) expression and promoter activity in vitro and on local vascular ACE activity in vivo. ACE a...

journal_title：Circulation research

authors： Rieder MJ,Carmona R,Krieger JE,Pritchard KA Jr,Greene AS

更新日期：1997-03-01 00:00:00

abstract：RATIONALE:Flecainide, a class 1c antiarrhythmic, has emerged as an effective therapy in preventing arrhythmias in patients with catecholaminergic polymorphic ventricular tachycardia (CPVT) refractory to β-adrenergic receptor blockade. It has been proposed that the clinical efficacy of flecainide in CPVT is because of t...

journal_title：Circulation research

authors： Bannister ML,Thomas NL,Sikkel MB,Mukherjee S,Maxwell C,MacLeod KT,George CH,Williams AJ

更新日期：2015-04-10 00:00:00

abstract：:To test the hypothesis that the capacity to develop left ventricular (LV) hypertrophy might diminish with advancing age, we examined the hypertrophic response to ascending aortic constriction in 3 groups of adult Fischer 344 rats (9 months, 18 months, and 22 months of age). Aortic constriction was created so that aort...

journal_title：Circulation research

authors： Isoyama S,Wei JY,Izumo S,Fort P,Schoen FJ,Grossman W

更新日期：1987-09-01 00:00:00

abstract：:Atherosclerosis is considered to be an inflammatory disease. Tissue factor (TF), a prothrombotic molecule expressed by various cell types within atherosclerotic plaques, is thought to play an essential role in thrombus formation after atherosclerotic plaque rupture. Recent studies suggest that the antiinflammatory cyt...

journal_title：Circulation research

authors： Kamimura M,Viedt C,Dalpke A,Rosenfeld ME,Mackman N,Cohen DM,Blessing E,Preusch M,Weber CM,Kreuzer J,Katus HA,Bea F

更新日期：2005-08-19 00:00:00

abstract：:The cardiac muscarinic potassium channel (IK.ACh) is activated by a G protein upon receptor stimulation with acetylcholine. The G protein subunit responsible for activation (G alpha versus G beta gamma) has been disputed. We used G beta gamma inhibitors derived from the beta-adrenergic kinase 1 (beta ARK1) to assess t...

journal_title：Circulation research

authors： Nair LA,Inglese J,Stoffel R,Koch WJ,Lefkowitz RJ,Kwatra MM,Grant AO

更新日期：1995-05-01 00:00:00

abstract：:The effects of digoxin on monovalent cation active transport were determined in cardiac tissue obtained from dogs given inotropic, toxic, or lethal doses of digoxin. In hemodynamically monitored dogs, active uptake of the K+ analogue Rb+ was determined in vitro in a control myocardial biopsy, and then in serial biopsi...

journal_title：Circulation research

authors： Hougen TJ,Lloyd BL,Smith TW

更新日期：1979-01-01 00:00:00

abstract：:The mTOR (mechanistic target of rapamycin) is a master regulator of several crucial cellular processes, including protein synthesis, cellular growth, proliferation, autophagy, lysosomal function, and cell metabolism. mTOR interacts with specific adaptor proteins to form 2 multiprotein complexes, called mTORC1 (mTOR co...

journal_title：Circulation research

authors： Sciarretta S,Forte M,Frati G,Sadoshima J

更新日期：2018-02-02 00:00:00

abstract：:Generation of proapoptotic sphingolipids by neutral sphingomyelinase activation is an early response to hypoxia/reoxygenation (HR) in cardiomyocytes. Factor associated with neutral sphingomyelinase activation (FAN) mediates activation of sphingomyelinase and subsequent apoptosis. However, the participation of FAN in H...

journal_title：Circulation research

authors： O'Brien NW,Gellings NM,Guo M,Barlow SB,Glembotski CC,Sabbadini RA

更新日期：2003-04-04 00:00:00

abstract：:Atherosclerotic lesion development seems to be inflammatory in nature and involves the recruitment of monocytes to the vessel wall. In this study, we investigated the role of vascular cell adhesion molecule-1 (VCAM-1) and fibronectin (FN) connecting segment-1 containing the amino acid sequence ILDV as functional ligan...

journal_title：Circulation research

authors： Huo Y,Hafezi-Moghadam A,Ley K

更新日期：2000-07-21 00:00:00

abstract：:We have previously shown that a cryoactivatable inactive form of renin, which we have tentatively termed prorenin, occurs in human plasma. Plasma prorenin is measured by subtracting the endogenous plasma renin activity (PRA) from the total renin activity measured after cryoactivation. Cryoactivation is accomplished by...

journal_title：Circulation research

authors： Sealey JE,Moon C,Laragh JH,Atlas SA

更新日期：1977-05-01 00:00:00

abstract：:We studied the influence of hypophysectomy on endothelial cell regrowth and intimal thickening following aortic endothelial removal. Modification of this influence by replacement doses of glucocorticoids, mineralocorticoids, thyroxin, and growth hormone also was investigated. Young adult male rats were used, and endot...

journal_title：Circulation research

authors： Bettmann MA,Stemerman MB,Ransil BJ

更新日期：1981-06-01 00:00:00

abstract：:Matrix metalloproteinases (MMPs) and, in particular, MMP-9 are important for smooth muscle cell (SMC) migration into the intima. In this study, we sought to determine whether MMP-9 is critical for SMC migration and for the formation of a neointima by using mice in which the gene was deleted (MMP-9(-/-) mice). A denudi...

journal_title：Circulation research

authors： Cho A,Reidy MA

更新日期：2002-11-01 00:00:00

abstract：:Recent advances in our understanding of the contribution of thrombin generation to arterial thrombosis and the role of platelets in venous thrombosis have prompted new treatment paradigms. Nonetheless, bleeding remains the major side effect of such treatments spurring the quest for new antithrombotic regimens with bet...

journal_title：Circulation research

authors： Chan NC,Weitz JI

更新日期：2019-02-01 00:00:00

abstract：RATIONALE:It has been reported that epicardial adipose tissue (EAT) may affect myocardial autonomic function. OBJECTIVE:The aim of this study was to explore the relationship between EAT and cardiac sympathetic nerve activity in patients with heart failure. METHODS AND RESULTS:In 110 patients with systolic heart failu...

journal_title：Circulation research

authors： Parisi V,Rengo G,Perrone-Filardi P,Pagano G,Femminella GD,Paolillo S,Petraglia L,Gambino G,Caruso A,Grimaldi MG,Baldascino F,Nolano M,Elia A,Cannavo A,De Bellis A,Coscioni E,Pellegrino T,Cuocolo A,Ferrara N,Leosco D

更新日期：2016-04-15 00:00:00