Search Results - "Negroni, J A"

Phospholamban ablation rescues the enhanced propensity to arrhythmias of mice with CaMKII‐constitutive phosphorylation of RyR2 at site S2814 by Mazzocchi, G., Sommese, L., Palomeque, J., Felice, J. I., Di Carlo, M. N., Fainstein, D., Gonzalez, P., Contreras, P., Skapura, D., McCauley, M. D., Lascano, E. C., Negroni, J. A., Kranias, E. G., Wehrens, X. H. T., Valverde, C. A., Mattiazzi, A.

“…Key points Mice with Ca2+–calmodulin‐dependent protein kinase (CaMKII) constitutive pseudo‐phosphorylation of the ryanodine receptor RyR2 at Ser2814 (S2814D+/+…”
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Left ventricular regional systolic and diastolic function in conscious sheep undergoing ischemic preconditioning by LASCANO, E. C, NEGRONI, J. A, DEL VALLE, H. F, CROTTOGINI, A. J

“…Late preconditioning diastolic protection and cardiac function optimization by the combined effects of late and early preconditioning have not been studied in…”
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Glibenclamide action on myocardial function and arrhythmia incidence in the healthy and diabetic heart by Negroni, J A, Lascano, E C, del Valle, H F

“…Myocardial sarcolemmal ATP-dependent potassium (KATP) channels, which are normally closed by high ATP concentration, open during ischemia when ATP generation…”
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The contractile mechanism as an approach to building left ventricular pump models by Negroni, J A, Lascano, E C, Barra, J G, Crottogini, A J, Pichel, R H

“…The aim was to construct a model linking a simplified interpretation of the contractile process at the myofilament level to the mechanical behaviour of the…”
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Glibenclamide effects on reperfusion-induced malignant arrhythmias and left ventricular mechanical recovery from stunning in conscious sheep by DEL VALLE, Héctor Fabian, CATALINA LASCANO, Elena, ANTONIO NEGRONI, Jorge, JOSE CROTTOGINI, Alberto

“…Sulfonylureas have been associated with a high incidence of cardiovascular death in diabetic patients treated with these drugs. Although the evidence on the…”
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A Computer Study of the Relation Between Chamber Mechanical Properties and Mean Pressure-Mean Flow of the Left Ventricle by Negroni, Jorge A, Lascano, Elena C, Pichel, Ricardo H

“…Computer simulation of left ventricular contraction was used to analyze the mean left ventricular pressure-mean flow relation with changes of parameter…”
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Single-beat evaluation of left ventricular inotropic state in conscious dogs by Lascano, E C, Negroni, J A, Barra, J G, Crottogini, A J, Pichel, R H

“…Two competing left ventricular elastic-resistive (ER) models were used to predict parameter values from pressure, volume, and time data of a single ejective…”
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A Cardiac Muscle Model Relating Sarcomere Dynamics to Calcium Kinetics by Negroni, Jorge A., Lascano, Elena C.

“…A muscle model establishing the link between cross-bridge dynamics and intracellular Ca 2+kinetics was assessed by simulation of experiments performed in…”
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Concentration and Elongation of Attached Cross-bridges as Pressure Determinants in a Ventricular Model by Negroni, Jorge A, Lascano, Elena C

“…A ventricular model based on a muscle model relating sarcomere dynamics to Ca2+kinetics was used to establish the relative contribution to pressure development…”
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Relationship between changes of chamber mechanical parameters and mean pressure-mean flow diagrams of the left ventricle by NEGRONI, J. A, LASCANO, E. C, PICHEL, R. H

“…A theoretical relationship between mean ventricular pressure (P) and mean ventricular outflow (Q) was developed based on a model of the left ventricle with…”
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Characterization of ventricular dynamics in dogs using computerized variables and their statistical treatment by Negroni, J A, Rodríguez Chatruc, E M, Lascano, E C, Pichel, R H

“…To improve the analysis of mechanical events of the cardiac cycle and the selection of indexes of cardiac function, it is necessary to obtain the most probable…”
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Myocardial triglycerides increased by fasting. Effects of hypoxia on contractility and enzymatic release by Lascano, E C, Negroni, J A, Depaoli, J R

“…The effect of fasting on the mechanics of contraction was studied in the isolated perfused rat heart, in oxygenated and hypoxic conditions. Animals were…”
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Behavioral and EEG patterns of the female toad Bufo arenarum during artificial clasping by Colombo, J A, Negroni, J A, Segura, E T

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Sensitivity of enzymatic release due to ischemia in the isolated rat heart by Negroni, J A, Lascano, E C, Depaoli, J R

“…The sensitivity of cardiac enzymes (GOT, a-HBDH, LDH, LDH-1, CPK and CPK-MB) was studied in the isolated rat heart subjected to 0 (non-ischemic), 20, 30 and 40…”
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Relationship between chamber mechanical properties and mean pressure-mean flow diagram of the left ventricle by Negroni, J A, Lascano, E C, Pichel, R H

“…We undertook a theoretical analysis of the source resistance of the left ventricle represented in a mean pressure-mean flow (P-Q) diagram, using the chamber…”
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Augmentation Index in an Animal Model of Myocardial Ischemia-Reperfusion and Heart Failure: a Preliminary Report by Wray, S. A., Pascaner, A. F., Negroni, J. A., Lascano, E. C., Fischer, E. I. C.

“…Cardiovascular indices are useful to evaluate myocardial damage and the effectiveness of medical interventions during ischemic heart failure. Left ventricular…”
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Towards the Non-Invasive Evaluation of the Effectiveness of Intra-Aortic Counterpulsation: Experimental Results in Myocardial Ischemia and Heart Failure by Wray, S. A., Pascaner, A. F., M. Camus, J, Negroni, J. A., Lascano, E. C., Graf, S., Fischer, E. I. C.

“…Intra-aortic counterpulsation (IACP) is used to treat severe acute heart failure. The diastolic pressure augmentation is quantified using the subendocardial…”
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Ischemic preconditioning protection against stunning in conscious diabetic sheep: role of glucose, insulin, sarcolemmal and mitochondrial KATP channels by DEL VALLE, Hector F, LASCANO, Elena C, NEGRONI, Jorge A

“…Sarcolemmal and mitochondrial ATP-sensitive potassium (KATP) channels have been postulated to participate in preconditioning protection against infarction and…”
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One trial passive avoidance learning in neonatally hormone treated rats. Its relation with activity by Negroni, J A, Denti, A

“…The performance in one trial passive avoidance learning and the degree of activity were determined in adulthood, from neonatal hormone treated and intact rats…”
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Activity and learning in neonatally hormone treated rats by Denti, A, Negroni, J A

“…The degree of activity and the performance in active avoidance learning were determined in adulthood, from neonatal hormone treated and intact rats. The…”
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