Changes in excitation-contraction coupling in an isolated ventricular myocyte model of cardiac stunning

American Journal of Physiology - Heart and Circulatory Physiology

Volumn 283, Issue 2 52-2, 2002, Pages

  Louch, William E ^a   Ferrier, Gregory R ^a   Howlett, Susan E ^a  

^a DALHOUSIE UNIVERSITY   (Canada)

Author keywords

Ca2+ transients; Contractile function; Ischemia; Reperfusion

Indexed keywords

CALCIUM CHANNEL L TYPE;

ANIMAL CELL; ARTICLE; CALCIUM TRANSPORT; CONTROLLED STUDY; ELECTRIC ACTIVITY; EXCITATION CONTRACTION COUPLING; GUINEA PIG; HEART CONTRACTION; HEART MUSCLE CELL; HEART MUSCLE ISCHEMIA; HEART VENTRICLE; NONHUMAN; PRIORITY JOURNAL; SARCOPLASMIC RETICULUM; STUNNED HEART MUSCLE;

EID: 0036070573     PISSN: 03636135     EISSN: None     Source Type: Journal    
DOI: 10.1152/ajpheart.00020.2002     Document Type: Article

References (39)

1. i in energy deprivation contracture
2. Sarcolemmal calcium transporters in myocardial ischemia
3. Mechanism of release of calcium from sarcoplasmic reticulum of guinea-pig cardiac cells
4. Molecular and cellular mechanisms of myocardial stunning
5. The stunned myocardium: Prolonged, postischemic ventricular dysfunction
6. Decreased myofilament responsiveness in myocardial stunning follows transient calcium overload during ischemia and reperfusion
7. Simulated ischaemia and reperfusion in isolated guinea pig ventricular myocytes
8. Effects of adenosine in simulated ischemia and reperfusion in guinea pig ventricular myocytes
9. The mechanism by which cytoplasmic protons inhibit the sodium-calcium exchanger in guineapig heart cells
10. "Myocardial stunning" remaining questions
11. Integrative analysis of calcium cycling in cardiac muscle
12. Cardiac electrophysiologic alterations during myocardial ischemia
13. Ventricular tachycardia in an isolated guinea pig ventricular free wall model of ischemia and reperfusion
14. Cardiac excitation-contraction coupling: Role of membrane potential in regulation of contraction
15. Possible mechanisms of ventricular arrhythmias elicited by ischemia followed by reperfusion. Studies on isolated canine ventricular tissues
16. 2+ responsiveness and altered diastolic function in intact ventricular muscle
17. Role of troponin I proteolysis in the pathogenesis of stunned myocardium
18. Regional myocardial functional and electrophysiological alterations after brief coronary artery occlusion in conscious dogs
19. Altered calcium sensitivity of isometric tension in myocyte-sized preparations of porcine postischemic stunned myocardium
20. The calcium-release channel from cardiac sarcoplasmic reticulum: Function in the failing and acutely ischaemic heart
21. Acidosis during early reperfusion prevents myocardial stunning in perfused ferret hearts
22. Mechanism and time course of S-T and T-Q segment changes during acute regional myocardial ischemia in the pig heart determined by extracellular and intracellular recordings
23. 2+ activation of contraction as a consequence of reperfusion-induced cellular calcium overload in ferret hearts
24. Increased activity of the sarcoplasmic reticular calcium pump in porcine stunned myocardium
25. Mechanisms of acute ischemic contractile failure of the heart. Role of intracellular calcium
26. A method for making rapid changes of superfusate whilst maintaining temperature at 37°C
27. A model of low-flow ischemia and reperfusion in single, beating adult cardiomyocytes
28. i in perfused hearts. Critical evaluation of the 5F-BAPTA and nuclear magnetic resonance method as applied to the study of ischemia and reperfusion
29. 2+ using the fluorescence of SNARF-1 and fura 2
30. Transgenic mouse model of stunned myocardium
31. Modification of ischemia-reperfusion-induced changes in cardiac sarcoplasmic reticulum by preconditioning
32. 2+ exchange in canine cardiac sarcolemmal vesicles
33. Electrophysiologic mechanisms underlying arrhythmias due to reperfusion of ischemic myocardium
34. Equal changes in L-type calcium channel density after 60 min of ischaemia in normal and ischaemically preconditioned porcine myocardium
35. Alterations in sarcoplasmic reticulum function and gene expression in ischemic-reperfused rat heart
36. Ryanodine receptor dysfunction in porcine stunned myocardium
37. 2+ uptake of cardiac sarcoplasmic reticulum
38. 2+ channels