"Prorenin" in human plasma?

abstract：:A new protocol has been developed for selective removal of the endothelium from the arteries of the perfused rat hind-limb preparation. The hind limb was perfused with oxygenated Krebs-Ringer bicarbonate solution with a combination of high flow and timed air bubbles (2 minutes at high flow followed by 5 minutes of air...

journal_title：Circulation research

authors： Ralevic V,Kristek F,Hudlická O,Burnstock G

更新日期：1989-06-01 00:00:00

abstract：:This paper describes use of the Karhunen-Loeve expansion to identify and reduce temporal redundancy in electrocardiographic body surface potential maps (192 body surface leads recorded simultaneously at 1 kHz/channel for approximately 600 msec). Temporal data compression of about 20 to 1 was obtained with accurate rep...

journal_title：Circulation research

authors： Evans AK,Lux RL,Burgess MJ,Wyatt RF,Abildskov JA

更新日期：1981-07-01 00:00:00

abstract：:The solid angle theory has long been applied to the interpretation of the ECG; however, quantitative evaluation of its applicability has been minimal. We applied solid angle analysis to the interpretation of the TQ-ST deflection during acute ischemia. Five anesthetized pigs were studied 1--3 hours after coronary occlu...

journal_title：Circulation research

authors： Richeson JF,Akiyama T,Schenk E

更新日期：1978-12-01 00:00:00

abstract：:Electrical uncoupling at gap junctions during acute myocardial ischemia contributes to conduction abnormalities and reentrant arrhythmias. Increased levels of intracellular Ca(2+) and H(+) and accumulation of amphipathic lipid metabolites during ischemia promote uncoupling, but other mechanisms may play a role. We tes...

journal_title：Circulation research

authors： Beardslee MA,Lerner DL,Tadros PN,Laing JG,Beyer EC,Yamada KA,Kléber AG,Schuessler RB,Saffitz JE

更新日期：2000-10-13 00:00:00

abstract：:Over the last 4 decades, heart transplantation (HTx) has evolved as a mainstream therapy for heart failure. Approximately half of patients needing HTx have organ failure consequent to atherosclerosis. Despite advances in immunosuppressive drugs, long-term success of HTx is limited by the development of a particular ty...

journal_title：Circulation research

authors： Rahmani M,Cruz RP,Granville DJ,McManus BM

更新日期：2006-10-13 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：:Changes in angiotensin-converting enzyme were measured in the lungs of fetal rabbits isolated and perfused in situ at varying ages from 22 days gestation to 7 days of age under controlled conditions of flow, pH, and temperature. Enzyme activity was assessed by infusing bradykinin or angiotensin I in Krebs-Henseleit so...

journal_title：Circulation research

authors： Stalcup SA,Pang LM,Lipset JS,Odya CE,Goodfriend TL,Mellins RB

更新日期：1978-11-01 00:00:00

abstract：:The present experiments were performed to investigate whether neurogenic inflammation in rat trachea (with edema formation and protein extravasation when the circulation is intact) induced by electrical field stimulation of neuropeptide-containing C fibers in the vagal nerve is accompanied by increased negativity of i...

journal_title：Circulation research

authors： Woie K,Koller ME,Heyeraas KJ,Reed RK

更新日期：1993-11-01 00:00:00

abstract：:Many members of the two-pore-domain potassium (K(+)) channel family have been detected in the mammalian heart but the endogenous correlates of these channels still have to be identified. We investigated whether I(KAA), a background K(+) current activated by negative pressure (stretch) and by arachidonic acid (AA) and ...

journal_title：Circulation research

authors： Terrenoire C,Lauritzen I,Lesage F,Romey G,Lazdunski M

更新日期：2001-08-17 00:00:00

abstract：:Whole-cell Ca2+ channel currents were recorded from isolated single canine Purkinje and ventricular cells to determine whether there were multiple types of Ca2+ channels in these two cell types, as in many other excitable tissues. The experimental conditions were such that currents other than Ca2+ channel currents wer...

journal_title：Circulation research

authors： Tseng GN,Boyden PA

更新日期：1989-12-01 00:00:00

abstract：:The deposition of platelets at the site of balloon angioplasty is thought to play a major role in the pathogenesis of restenosis. The antibody AZ-1, which binds to the rabbit platelet glycoprotein IIb/IIIa receptor and inhibits platelet function both in vitro and in vivo, was produced and tested in an experimental mod...

journal_title：Circulation research

authors： Azrin MA,Ling FS,Chen Q,Pawashe A,Migliaccio F,Homer R,Todd M,Ezekowitz MD

更新日期：1994-08-01 00:00:00

abstract：:Brugada syndrome has been linked to mutations in SCN5A. Agents that dissociate slowly from the sodium channel such as flecainide and ajmaline unmask the Brugada syndrome electrocardiogram and precipitate ventricular tachycardia/fibrillation. Lidocaine, an agent with rapid dissociation kinetics, has previously been sho...

journal_title：Circulation research

authors： Barajas-Martínez HM,Hu D,Cordeiro JM,Wu Y,Kovacs RJ,Meltser H,Kui H,Elena B,Brugada R,Antzelevitch C,Dumaine R

更新日期：2008-08-15 00:00:00

abstract：:Inherited mutations and a polymorphism in minK-related peptide 1 (MiRP1) have been linked to congenital or acquired long-QT syndrome, pointing to the importance of MiRP1 in maintaining the cardiac electrical stability. We tested whether MiRP1 could affect the function of Kv4.x (x=2 and 3), the major pore-forming (alph...

journal_title：Circulation research

authors： Zhang M,Jiang M,Tseng GN

更新日期：2001-05-25 00:00:00

abstract：:To investigate the contributions of humoral and hemodynamic factors to cardiac adaptations associated with chronic exercise, female Fischer 344 rats were subjected to chronic swimming, infrarenal cardiac transplantation, or both. Swimming resulted in hypertrophy (11-12%) of the in situ hearts in both the unoperated an...

journal_title：Circulation research

authors： Advani SV,Geenen D,Malhotra A,Factor SM,Scheuer J

更新日期：1990-09-01 00:00:00

abstract：:We have recently demonstrated that endogenous erythropoietin (Epo)/Epo receptor (EpoR) system plays an important protective role in hypoxia-induced pulmonary hypertension. However, it remains to be examined whether vascular EpoR system contributes to angiogenesis in response to ischemia. We examined angiogenesis in Ep...

journal_title：Circulation research

authors： Nakano M,Satoh K,Fukumoto Y,Ito Y,Kagaya Y,Ishii N,Sugamura K,Shimokawa H

更新日期：2007-03-16 00:00:00

abstract：:The patch clamp technique was used to make whole-cell recordings of calcium channel currents from single muscle cells freshly isolated from rat mesenteric arteries. The cells were found to contain two types of calcium channels; one type is activated by small depolarizations and inactivates quickly, whereas the other r...

journal_title：Circulation research

authors： Bean BP,Sturek M,Puga A,Hermsmeyer K

更新日期：1986-08-01 00:00:00

abstract：:Calcineurin, a calcium/calmodulin-regulated protein phosphatase, modulates gene expression in cardiac and skeletal muscles during development and in remodeling responses such as cardiac hypertrophy that are evoked by environmental stresses or disease. Recently, we identified two genes encoding proteins (MCIP1 and MCIP...

journal_title：Circulation research

authors： Yang J,Rothermel B,Vega RB,Frey N,McKinsey TA,Olson EN,Bassel-Duby R,Williams RS

更新日期：2000-12-08 00:00:00

abstract：:The daily rate of cell replication in the aortic endothelium of the normal rat falls from a maximum of 13% at birth to 0.1-0.3% at age 5-6 months. This residual rate of replication largely represents the turnover rate of the endothelium in normal animals. After renal hypertension of 2-3 weeks duration, however, the ra...

journal_title：Circulation research

authors： Schwartz SM,Benditt EP

更新日期：1977-08-01 00:00:00

abstract：:Topical application of sodium arachidonate (50-200 micrograms/ml) or bradykinin (0.1-10 micrograms/ml) on the brain surface of anesthetized cats caused dose-dependent cerebral arteriolar dilation. This dilation was blocked by 67-100% in the presence of superoxide dismutase and catalase. These enzymes did not affect th...

journal_title：Circulation research

authors： Kontos HA,Wei EP,Povlishock JT,Christman CW

更新日期：1984-09-01 00:00:00

abstract：:This review reflects and expands on the contents of my presentation at the Thomas W. Smith Memorial Lecture at American Heart Association Scientific Sessions, 2011. "Decoding the cardiac message" refers to accumulating results from ongoing microRNA research that is altering longstanding concepts of the mechanisms for,...

journal_title：Circulation research

authors： Dorn GW 2nd

更新日期：2012-03-02 00:00:00

abstract：:We used two experimental techniques to study the effect of lidocaine hydrochloride on the early inward transient (sodium) current as it is reflected by the maximum rate of change of action potential phase 0 (Vmax). We assessed the effect of lidocaine on Vmax as Purkinje fibers were slowly depolarized by increasing the...

journal_title：Circulation research

authors： Weld FM,Bigger JT Jr

更新日期：1975-11-01 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：:Previously, it was shown that the D enantiomer of isoidide dinitrate was 10-fold more potent than the L enantiomer and 10-fold less potent than glyceryl trinitrate for stimulating cyclic GMP accumulation and relaxation of isolated rat aorta. In the present study, these organic nitrates were tested for their ability to...

journal_title：Circulation research

authors： Bennett BM,Schröder H,Hayward LD,Waldman SA,Murad F

更新日期：1988-10-01 00:00:00

abstract：:Insulin-like growth factor-I (IGF-I) plays an important role in regulating vascular smooth muscle cell (VSMC) proliferation and directed migration. The mitogenic and chemotactic actions of IGF-I are mediated through the IGF-I receptor, but how the activation of the IGF-I receptor leads to these biological responses is...

journal_title：Circulation research

authors： Duan C,Bauchat JR,Hsieh T

更新日期：2000-01-07 00:00:00

abstract：:The past 2 decades have witnessed a >40% improvement in mortality for patients with heart failure and left ventricular systolic dysfunction. 1 This success has coincided with the stepwise availability of drugs that target neurohormonal activation: β-adrenergic receptor blockers (β-blockers), ACE (angiotensin-convertin...

journal_title：Circulation research

authors： Zelt JGE,Chaudhary KR,Cadete VJ,Mielniczuk LM,Stewart DJ

更新日期：2019-05-24 00:00:00

abstract：:Large conductance Ca(2+)-activated K(+) channels (BK(Ca)) play a critical role in blood pressure regulation by tuning the vascular smooth muscle tone, and hyposensitivity of BK(Ca) to Ca(2+) sparks resulting from its altered beta1 subunit stoichiometry underlies vasoconstriction in animal models of hypertension. Here ...

journal_title：Circulation research

authors： Zhao G,Zhao Y,Pan B,Liu J,Huang X,Zhang X,Cao C,Hou N,Wu C,Zhao KS,Cheng H

更新日期：2007-08-31 00:00:00

abstract：:The circulatory effects associated with lifelong plasma atrial natriuretic factor (ANF) elevation were examined by generating transgenic mice, which constitutively express a fusion gene consisting of the transthyretin promoter and the ANF structural gene. These mice have chronically elevated ANF levels as compared wit...

journal_title：Circulation research

authors： Barbee RW,Perry BD,Ré RN,Murgo JP,Field LJ

更新日期：1994-04-01 00:00:00

abstract：RATIONALE:Significant progress has revealed transcriptional inputs that underlie regulation of artery and vein endothelial cell fates. However, little is known concerning genome-wide regulation of this process. Therefore, such studies are warranted to address this gap. OBJECTIVE:To identify and characterize artery- an...

journal_title：Circulation research

authors： Sissaoui S,Yu J,Yan A,Li R,Yukselen O,Kucukural A,Zhu LJ,Lawson ND

更新日期：2020-03-27 00:00:00

abstract：:Heptanol blocks sodium current (INa) in nerve, but its effects on cardiac INa have not been well characterized. Block of INa by heptanol was studied in 16 internally perfused voltage-clamped cardiac Purkinje cells at reduced Na+ (45 mM outside, 0 mM inside). Heptanol block of peak sodium conductance was well described...

journal_title：Circulation research

authors： Nelson WL,Makielski JC

更新日期：1991-04-01 00:00:00

abstract：:Insulin-like growth factor I (IGF-I) is a widely distributed mitogen that mediates the growth-promoting effects of platelet-derived growth factor in mesenchymal cells. We show that rat aortic IGF-I messenger RNA (mRNA) is induced 24 hours after deendothelialization, at a time when smooth muscle cell proliferation with...

journal_title：Circulation research

authors： Cercek B,Fishbein MC,Forrester JS,Helfant RH,Fagin JA

更新日期：1990-06-01 00:00:00