Spontaneous frequency of rabbit atrioventricular node myocytes depends on SR function

Cell Calcium

Volumn 44, Issue 6, 2008, Pages 580-591

  Ridley, J M ^a   Cheng, H ^a   Harrison, O J ^a   Jones, S K ^a   Smith, G L ^b   Hancox, J C ^a   Orchard, C H ^a  

^a UNIVERSITY OF BRISTOL   (United Kingdom)

^b UNIVERSITY OF GLASGOW   (United Kingdom)

Author keywords

Calcium; Cardiac; Na Ca exchange; Pacemaker; Sarcoplasmic reticulum

Indexed keywords

CALCIUM ION; ISOPRENALINE; RYANODINE;

ANIMAL CELL; ARTICLE; CALCIUM CELL LEVEL; CALCIUM CURRENT; CONFOCAL MICROSCOPY; CONTROLLED STUDY; HEART ATRIOVENTRICULAR NODE; HEART MUSCLE POTENTIAL; MALE; NONHUMAN; PACEMAKER; PRIORITY JOURNAL; RABBIT; SARCOPLASMIC RETICULUM; SODIUM CALCIUM EXCHANGE;

ORYCTOLAGUS CUNICULUS;

EID: 55349097856     PISSN: 01434160     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ceca.2008.04.004     Document Type: Article

References (37)

1. Rigg L., and Terrar D.A. Possible role of calcium release from the sarcoplasmic reticulum in pacemaking in guinea-pig sino-atrial node. Exp. Physiol. 81 (1996) 877-880
2. Li J., Qu J., and Nathan R.D. Ionic basis of ryanodine's negative chronotropic effect on pacemaker cells isolated from the sinoatrial node. Am. J. Physiol. 273 (1997) H2481-H2489
3. 2+ exchanger: molecular partners in pacemaker regulation. Circ. Res. 88 (2001) 1254-1258
4. 2+ exchange for the pacemaking mechanism in guinea-pig sino-atrial node. J. Physiol. 571 (2006) 639-649
5. Vinogradova T.M., Bogdanov K.Y., and Lakatta E.G. beta-Adrenergic stimulation modulates ryanodine receptor Ca(2+) release during diastolic depolarization to accelerate pacemaker activity in rabbit sinoatrial nodal cells. Circ. Res. 90 (2002) 73-79
6. 2+ release. J. Card. Surg. 17 (2002) 451-461
7. 2+ releases during diastolic depolarization of sinoatrial pacemaker cells do not require membrane depolarization. Circ. Res. 94 (2004) 802-809
8. Maltsev V.A., Vinogradova T.M., Bogdanov K.Y., Lakatta E.G., and Stern M.D. Diastolic calcium release controls the beating rate of rabbit sinoatrial node cells: numerical modeling of the coupling process. Biophys. J. 86 (2004) 2596-2605
9. 2+ release from the sarcoplasmic reticulum influence heart rate?. Clin. Exp. Pharmacol. Physiol. 28 (2001) 703-708
10. 2+ exchange current in latent pacemaker cells isolated from cat right atrium. J. Physiol. 466 (1993) 263-285
11. 2+ release contributes to automaticity in cat atrial pacemaker cells. J. Physiol. 524 (2000) 415-422
12. 2+ exchange current from rabbit isolated atrioventricular nodal and ventricular myocytes compared using action potential and ramp waveforms. Acta Physiol. Scand. 168 (2000) 393-401
13. Hancox J.C., Levi A.J., and Brooksby P. Intracellular calcium transients recorded with Fura-2 in spontaneously active myocytes isolated from the atrioventricular node of the rabbit heart. Proc. Biol. Sci. 255 (1994) 99-105
14. Nikmaram M.R., Liu J., Abdelrahman M., Dobrzynski H., Boyett M.R., and Lei M. Characterization of the effects of Ryanodine, TTX, E-4031 and 4-AP on the sinoatrial and atrioventricular nodes. Prog. Biophys. Mol. Biol. 96 (2007) 452-464
15. Meijler F.L., and Janse M.J. Morphology and electrophysiology of the mammalian atrioventricular node. Physiol. Rev. 68 (1988) 608-647
16. Hancox J.C., Levi A.J., Lee C.O., and Heap P. A method for isolating rabbit atrioventricular node myocytes which retain normal morphology and function. Am. J. Physiol. 265 (1993) H755-H766
17. f, is not required for pacemaking in single cells from the rabbit atrioventricular node. Pflugers Arch. 427 (1994) 121-128
18. Howarth F.C., Levi A.J., and Hancox J.C. Characteristics of the delayed rectifier K current compared in myocytes isolated from the atrioventricular node and ventricle of the rabbit heart. Pflugers Arch. 431 (1996) 713-722
19. Isenberg G., and Klockner U. Calcium tolerant ventricular myocytes prepared by preincubation in a "KB medium". Pflugers Arch. 395 (1982) 6-18
20. Nisbet A.M., Craig M., Walker N.L., Burton F.L., Cobbe S.M., Hancox J., Orchard C., and Smith G.L. Acidosis delays conduction through the atrioventricular node (abstract). Focused Meeting of the Physiological Society (UK), Cardiac Electrophysiology: with a Special Celebration of the Centenary of the Discovery of the Sinoatrial and Atrioventricular Nodes. The Physiological Society, University of Manchester, UK (2007) PC12
21. 2+ uptake and release in detubulated rat ventricular myocytes. J. Mol. Cell Cardiol. 39 (2005) 804-812
22. Cheng H., Song L.S., Shirokova N., Gonzalez A., Lakatta E.G., Rios E., and Stern M.D. Amplitude distribution of calcium sparks in confocal images: theory and studies with an automatic detection method. Biophys. J. 76 (1999) 606-617
23. Levi A.J., Hancox J.C., Howarth F.C., Croker J., and Vinnicombe J. A method for making rapid changes of superfusate whilst maintaining temperature at 37 °C. Pflugers Arch. 432 (1996) 930-937
24. Leach R.N., Desai J.C., and Orchard C.H. Effect of cytoskeleton disruptors on L-type Ca channel distribution in rat ventricular myocytes. Cell Calcium 38 (2005) 515-526
25. Rigg L., Heath B.M., Cui Y., and Terrar D.A. Localisation and functional significance of ryanodine receptors during beta-adrenoceptor stimulation in the guinea-pig sino-atrial node. Cardiovasc. Res. 48 (2000) 254-264
26. Wilders R., and Jongsma H.J. Beating irregularity of single pacemaker cells isolated from the rabbit sinoatrial node. Biophys. J. 65 (1993) 2601-2613
27. Hancox J.C., Yuill K.H., Mitcheson J.S., and Convery M.K. Progress and gaps in understanding the electrophysiological properties of morphologically normal cells from the cardiac atrioventricular node. Int. J. Bifurcation Chaos 13 (2003) 3675-3691
28. Marino T.A. The atrioventricular node and bundle in the ferret heart: a light and quantitative electron microscopic study. Am. J. Anat. 154 (1979) 365-392
29. Brette F., and Orchard C. T-tubule function in mammalian cardiac myocytes. Circ. Res. 92 (2003) 1182-1192
30. Shannon T.R., Ginsburg K.S., and Bers D.M. Reverse mode of the sarcoplasmic reticulum calcium pump and load-dependent cytosolic calcium decline in voltage-clamped cardiac ventricular myocytes. Biophys. J. 78 (2000) 322-333
31. Shattock M.J., and Bers D.M. Rat vs. rabbit ventricle: Ca flux and intracellular Na assessed by ion-selective microelectrodes. Am. J. Physiol. 256 (1989) C813-C822
32. Matthes J., Yildirim L., Wietzorrek G., Reimer D., Striessnig J., and Herzig S. Disturbed atrio-ventricular conduction and normal contractile function in isolated hearts from Cav1.3-knockout mice. Naunyn Schmiedebergs Arch. Pharmacol. 369 (2004) 554-562
33. + in rabbit isolated sinoatrial node cells. Pflugers Arch. 426 (1994) 68-74
34. Nakayama T., Kurachi Y., Noma A., and Irisawa H. Action potential and membrane currents of single pacemaker cells of the rabbit heart. Pflugers Arch. 402 (1984) 248-257
35. Hagiwara N., Irisawa H., Kasanuki H., and Hosoda S. Background current in sino-atrial node cells of the rabbit heart. J. Physiol. 448 (1992) 53-72
36. 2+ exchanger. Nature 427 (2004) 544-548
37. 2+ influx and expression of TRPC genes in mouse sinoatrial node. Circ. Res. 100 (2007) 1605-1614