Direct demonstration of exocytosis and endocytosis in single mouse juxtaglomerular cells.

abstract：:We describe a straightforward gene-targeting technique to achieve uniform, stable, and genetically invariant expression of a transgene in the vascular endothelium of mice. To demonstrate the feasibility of this approach, the reporter gene bacterial beta-galactosidase was inserted via homologous recombination into the ...

journal_title：Circulation research

authors： Weiler-Guettler H,Aird WC,Husain M,Rayburn H,Rosenberg RD

更新日期：1996-02-01 00:00:00

abstract：:Isolated, cultured arterial endothelial cells express an acetylcholine (ACh)-activated K+ current in addition to an inward rectifier current whose conductance is unaffected by ACh. The cholinergic K+ current is specifically blocked by atropine (1 microM) and shows single saturation kinetics with ACh (half-maximal stim...

journal_title：Circulation research

authors： Olesen SP,Davies PF,Clapham DE

更新日期：1988-06-01 00:00:00

abstract：:By use of gene targeting and/or transgenesis, it is now possible to make defined changes in genes whose functions underlie mammalian cardiovascular function. Because of technical and economic considerations, these experiments are largely confined to the mouse. Genetic modification of the loci responsible for aspects o...

journal_title：Circulation research

authors： James JF,Hewett TE,Robbins J

更新日期：1998-03-09 00:00:00

abstract：:The objectives of this study were to measure action potential parameters in enzyme-dissociated, adult rat ventricular myocytes stimulated at 1 Hz, to compare these measurements with those obtained from intact ventricular tissue, and to determine myocyte and tissue responses at stimulus frequencies between 0.1 and 5 Hz...

journal_title：Circulation research

authors： Watanabe T,Delbridge LM,Bustamante JO,McDonald TF

更新日期：1983-03-01 00:00:00

abstract：:We stimulated the aortic chemoreceptors in dogs that were anesthetized with chloralose and artificially ventilated by perfusing the isolated aortic arch with venous blood. Inotropic responses were determined by measuring the maximum rate of change of left ventricular pressure (dP/dt max) with aortic pressure and heart...

journal_title：Circulation research

authors： Karim F,Hainsworth R,Sofola OA,Wood LM

更新日期：1980-01-01 00:00:00

abstract：:The role of the Na+-Ca2+ exchanger as a major determinant of cell Ca2+ is well defined in cardiac tissue, and there has been much effort to develop specific inhibitors of the exchanger. We use a novel system to test the specificity of two putative specific inhibitors, KB-R7943 and SEA0400. The drugs are applied to ele...

journal_title：Circulation research

authors： Reuter H,Henderson SA,Han T,Matsuda T,Baba A,Ross RS,Goldhaber JI,Philipson KD

更新日期：2002-07-26 00:00:00

abstract：:Gap junction pharmacology is a nascent field. Previous studies have identified molecules that enhance intercellular communication, and may offer potential for innovative antiarrhythmic therapy. However, their specific molecular target(s) and mechanism(s) of action remain unknown. Previously, we identified a 34-aa pept...

journal_title：Circulation research

authors： Verma V,Larsen BD,Coombs W,Lin X,Spagnol G,Sorgen PL,Taffet SM,Delmar M

更新日期：2009-07-17 00:00:00

abstract：RATIONALE:Vascular calcification is highly associated with cardiovascular morbidity and mortality, especially in patients with chronic kidney disease. The nuclear receptor farnesoid X receptor (FXR) has been implicated in the control of lipid, carbohydrate and bile acid metabolism in several cell types. Although recent...

journal_title：Circulation research

authors： Miyazaki-Anzai S,Levi M,Kratzer A,Ting TC,Lewis LB,Miyazaki M

更新日期：2010-06-25 00:00:00

abstract：:Vascular endothelial cells are constantly exposed to mechanical forces resulting from blood flow and transmural pressure. The goal of this study was to determine whether mechanical stimulation alters the properties of endothelial voltage-gated K+ channels. Cardiac microvascular endothelial cells (CMECs) were isolated ...

journal_title：Circulation research

authors： Fan J,Walsh KB

更新日期：1999-03-05 00:00:00

abstract：:Bone marrow-derived cells (BMCs) have been implicated as a modifiers of vascular growth either directly by transdifferentiation into endothelial cells (ECs) or indirectly through growth factor release. To examine these possibilities under physiological conditions, we developed a model of hypoxia-mediated angiogenesis ...

journal_title：Circulation research

authors： O'Neill TJ 4th,Wamhoff BR,Owens GK,Skalak TC

更新日期：2005-11-11 00:00:00

abstract：:Among the factors that might influence collateral arterial growth after arterial occlusion, the capacity to deliver blood flow in relation to metabolic need and work performance are obvious candidates. In this study in rats after superficial femoral artery ligation, we assessed collateral arterial growth (by arteriogr...

journal_title：Circulation research

authors： Paskins-Hurlburt AJ,Hollenberg NK

更新日期：1992-03-01 00:00:00

abstract：:Myocytes overlying a zone of infarction form the primary substrate for serious reentrant ventricular arrhythmias. In vitro and in vivo studies suggest that antiarrhythmic agents affect Na+ channels of cells from the epicardial border zone (EBZ) of the 5-day infarcted heart differently than they affect those of normal ...

journal_title：Circulation research

authors： Pu J,Balser JR,Boyden PA

更新日期：1998-08-24 00:00:00

abstract：RATIONALE:Slow nonuniform electric propagation in the border zone (BZ) of a healed myocardial infarct (MI) can give rise to reentrant arrhythmia. The extent to which this is influenced by structural rather than cellular electric remodeling is unclear. OBJECTIVE:To determine whether structural remodeling alone in the i...

journal_title：Circulation research

authors： Rutherford SL,Trew ML,Sands GB,LeGrice IJ,Smaill BH

更新日期：2012-07-20 00:00:00

abstract：:Inflammation is an important driver of atherosclerosis, the underlying pathology of cardiovascular diseases. Therefore, therapeutic targeting of inflammatory pathways is suggested to improve cardiovascular outcomes in patients with cardiovascular diseases. This concept was recently proven by CANTOS (Canakinumab Anti-I...

journal_title：Circulation research

authors： Grebe A,Hoss F,Latz E

更新日期：2018-06-08 00:00:00

abstract：RATIONALE:Activation of the mitochondrial ATP-sensitive potassium channel (mitoK(ATP)) has been implicated in the mechanism of cardiac ischemic preconditioning, yet its molecular composition is unknown. OBJECTIVE:To use an unbiased proteomic analysis of the mitochondrial inner membrane to identify the mitochondrial K(...

journal_title：Circulation research

authors： Foster DB,Ho AS,Rucker J,Garlid AO,Chen L,Sidor A,Garlid KD,O'Rourke B

更新日期：2012-08-03 00:00:00

abstract：RATIONALE:Atherosclerosis proceeds through a multistep reaction that begins with endothelial injury caused by a host of stress signals, among which oxidized low-density lipoprotein (oxLDL) plays a critical role. OxLDL disrupts normal functionality of the endothelium by upregulating adhesion molecules (eg, ICAM-1) and c...

journal_title：Circulation research

authors： Fang F,Yang Y,Yuan Z,Gao Y,Zhou J,Chen Q,Xu Y

更新日期：2011-04-01 00:00:00

abstract：:Desmosomes and gap junctions are distinct structural components of the cardiac intercalated disc. Here, we asked whether the presence of plakophilin (PKP)2, a component of the desmosome, is essential for the proper function and distribution of the gap junction protein connexin (Cx)43. We used RNA silencing technology ...

journal_title：Circulation research

authors： Oxford EM,Musa H,Maass K,Coombs W,Taffet SM,Delmar M

更新日期：2007-09-28 00:00:00

abstract：RATIONALE:One goal of cardiac tissue engineering is the generation of a living, human pump in vitro that could replace animal models and eventually serve as an in vivo therapeutic. Models that replicate the geometrically complex structure of the heart, harboring chambers and large vessels with soft biomaterials, can be...

journal_title：Circulation research

authors： Kupfer ME,Lin WH,Ravikumar V,Qiu K,Wang L,Gao L,Bhuiyan DB,Lenz M,Ai J,Mahutga RR,Townsend D,Zhang J,McAlpine MC,Tolkacheva EG,Ogle BM

更新日期：2020-07-03 00:00:00

abstract：:The lung parenchyma as a tissue has a rather unusual stress-strain relationship. A theoretical derivation of this relationship is presented which connects the surface tension and the tissue elastic stress in the alveolar septa with the alveolar geometry. The mathematical expression contains a few meaningful physical c...

journal_title：Circulation research

authors： Fung YC

更新日期：1975-10-01 00:00:00

abstract：:Although peroxisome proliferator-activated receptor gamma (PPARgamma) ligands have an antihypertensive effect in vivo, the precise mechanism has not been fully elucidated. We examined their effects on Rho/Rho kinase pathway, a key regulator of vascular tone. In cultured rat aortic smooth muscle cells (RASMC), Rho kina...

journal_title：Circulation research

authors： Wakino S,Hayashi K,Kanda T,Tatematsu S,Homma K,Yoshioka K,Takamatsu I,Saruta T

更新日期：2004-09-03 00:00:00

abstract：RATIONALE:Cryptogenic strokes, those of unknown cause, have been estimated as high as 30% to 40% of strokes. Inflammation has been suggested as a critical etiologic factor. However, there is lack of experimental evidence. OBJECTIVE:In this study, we investigated inflammation-associated stroke using a mouse model that ...

journal_title：Circulation research

authors： Hollander MC,Latour LL,Yang D,Ishii H,Xiao Z,Min Y,Ray-Choudhury A,Munasinghe J,Merchant AS,Lin PC,Hallenbeck J,Boehm M,Yang L

更新日期：2017-12-08 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：:In a complex system of interrelated reactions, the heart converts chemical energy to mechanical energy. Energy transfer is achieved through coordinated activation of enzymes, ion channels, and contractile elements, as well as structural and membrane proteins. The heart's needs for energy are difficult to overestimate....

journal_title：Circulation research

authors： Taegtmeyer H,Young ME,Lopaschuk GD,Abel ED,Brunengraber H,Darley-Usmar V,Des Rosiers C,Gerszten R,Glatz JF,Griffin JL,Gropler RJ,Holzhuetter HG,Kizer JR,Lewandowski ED,Malloy CR,Neubauer S,Peterson LR,Portman MA,Recch

更新日期：2016-05-13 00:00:00

abstract：:Trimetazidine is a clinically effective antianginal agent that has no negative inotropic or vasodilator properties. Although it is thought to have direct cytoprotective actions on the myocardium, the mechanism(s) by which this occurs is as yet undefined. In this study, we determined what effects trimetazidine has on b...

journal_title：Circulation research

authors： Kantor PF,Lucien A,Kozak R,Lopaschuk GD

更新日期：2000-03-17 00:00:00

abstract：:The cellular basis of reactive oxygen intermediate-induced arrhythmias was investigated in isolated rabbit ventricular cells using the whole-cell voltage- and current-clamp techniques. Singlet oxygen and superoxide were generated by the photoactivation of rose bengal. Single ventricular cells exposed to rose bengal (1...

journal_title：Circulation research

authors： Matsuura H,Shattock MJ

更新日期：1991-02-01 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

abstract：:Because current therapy to treat abdominal aortic aneurysm (AAA), and particularly to manage small AAA, is limited to elective surgical repair, we explored less invasive molecular therapy by simultaneous inhibition of the transcription factors nuclear factor (NF)kappaB and ets using a decoy strategy. Both NFkappaB and...

journal_title：Circulation research

authors： Miyake T,Aoki M,Masaki H,Kawasaki T,Oishi M,Kataoka K,Ogihara T,Kaneda Y,Morishita R

更新日期：2007-11-26 00:00:00

abstract：:The effects of endothelin on systemic and renal hemodynamics in anesthetized spontaneously hypertensive rats (SHR) and Wistar-Kyoto rats were examined. Endothelin (500 ng i.v. +1,000 ng/hr per 300-g rat) elevated mean blood pressure by 13% (p less than 0.02) and decreased renal blood flow by 71% and glomerular filtrat...

journal_title：Circulation research

authors： Hirata Y,Matsuoka H,Kimura K,Fukui K,Hayakawa H,Suzuki E,Sugimoto T,Sugimoto T,Yanagisawa M,Masaki T

更新日期：1989-11-01 00:00:00

abstract：:We have observed that acute medial cell loss is an initial event in the response to vascular injury induced by balloon-catheter distention of the rabbit carotid artery. Numerous apoptotic medial cells were observed as early as 30 minutes after balloon inflation, and a 70% loss of cellularity was evident by 90 minutes....

journal_title：Circulation research

authors： Pollman MJ,Hall JL,Gibbons GH

更新日期：1999-01-08 00:00:00

abstract：:The atrioventricular (AV) node is a recurrent source of potentially life-threatening arrhythmias. Nevertheless, limited data are available on its developmental control or molecular phenotype. We used a novel AV nodal myocardium-specific reporter mouse to gain insight into the gene programs determining the formation an...

journal_title：Circulation research

authors： Horsthuis T,Buermans HP,Brons JF,Verkerk AO,Bakker ML,Wakker V,Clout DE,Moorman AF,'t Hoen PA,Christoffels VM

更新日期：2009-07-02 00:00:00