Abstract
Ion channels in the plasma membrane play a critical role in cellular function. These proteins are the gatekeepers that control ion homeostasis and shape excitability. Excitable cells use a variety of different ion channels to fashion their hallmark electrical signal, the action potential. Advances in molecular electrophysiology have led to the identification of more ion-channel genes than there are identified membrane currents. This excess is particularly striking with potassium channels, where a wide diversity of genes is compounded by variable levels of hetero-multimerization, alternative splicing, and post-translational modification. The classical methods of studying the roles of each gene rely either on exogenous expression in frog oocytes or pharmacological manipulation of native currents 1). Although these techniques have yielded a wealth of information concerning ion channel structure and function, they have come up short in linking individual genes and their products to physiology and disease.
This is a preview of subscription content, log in via an institution.
Buying options
Tax calculation will be finalised at checkout
Purchases are for personal use only
Learn about institutional subscriptionsREFERENCES
Hille, B. (1992) Ionic Channels of Excitable Membranes, 2nd ed. Sinauer Associates, Sunderland, Mass.
Ackerman, M. J. and Clapham, D. E. (1997) Ion channels—basic science and clinical disease. N Engl J Med 336(22), 1575–1586.
Hoffman, P. L. and Tabakoff, B. (1994) The role of the NMDA receptor in ethanol withdrawal. EXS 71, 61–70.
Nestler, E. J., Berhow, M. T., and Brodkin, E. S. (1996) Molecular mechanisms of drug addiction: adaptations in signal transduction pathways. Mol. Psychiatry 1(3), 190–199.
Sanguinetti, M. C., Jiang, C., Curran, M. E., and Keating, M. T. (1995) A mechanistic link between an inherited and an acquired cardiac arrhythmia: HERG encodes the IKr potassium channel. Cell 81(2), 299–307.
Honig, P. K., Woosley, R. L., Zamani, K., Conner, D. P., and Cantilena, L. R., Jr. (1992) Changes in the pharmacokinetics and electrocardiographic pharmacodynamics of terfenadine with concomitant administration of erythromycin. Clin. Pharmacol. Ther. 52(3), 231–238.
Zhou, J. Y., Potts, J. F., Trimmer, J. S., Agnew, W. S., and Sigworth, F. J. (1991) Multiple gating modes and the effect of modulating factors on the microI sodium channel. Neuron 7(5), 775–785.
Ukomadu, C., Zhou, J., Sigworth, F. J., and Agnew, W. S. (1992) muI Na+ channels expressed transiently in human embryonic kidney cells: biochemical and biophysical properties. Neuron 8(4), 663–676.
Chang, S. Y., Satin, J., and Fozzard, H. A. (1996) Modal behavior of the mu 1 Na+ channel and effects of coexpression of the beta 1-subunit. Biophys. J. 70(6), 2581–2592.
Snyders, D. J., Tamkun, M. M., and Bennett, P. B. (1993) A rapidly activating and slowly inactivating potassium channel cloned from human heart. Functional analysis after stable mammalian cell culture expression. J. Gen. Physiol. 101(4), 513–543.
Ashen, M. D., O’Rourke, B., Kluge, K. A., Johns, D. C., and Tomaselli, G. F. (1995) Inward rectifier K+ channel from human heart and brain: cloning and stable expression in a human cell line. Am. J. Physiol. 268(1 Pt 2), H506–H511.
Chalfie, M., Tu, Y., Euskirchen, G., Ward, W. W., and Prasher, D. C. (1994) Green fluorescent protein as a marker for gene expression. Science 263(5148), 802–805.
Marshall, J., Molloy, R., Moss, G. W., Howe, J. R., and Hughes, T. E. (1995) The jellyfish green fluorescent protein: a new tool for studying ion channel expression and function. Neuron 14(2), 211–215.
Trouet, D., Nilius, B., Voets, T., Droogmans, G., and Eggermont, J. (1997) Use of a bicistronic Gfp-expression vector to characterise ion channels after transfection in mammalian cells. Pflugers Arch. Eur. J. Physiol. 434(5), 632–638.
Kawashima, E., Estoppey, D., Virginio, C., Fahmi, D., Rees, S., Surprenant, A., and North, R. A. (1998) A novel and efficient method for the stable expression of heteromeric ion channels in mammalian cells. Receptors Channels 5(2), 53–60.
Johns, D. C., Marx, R., Mains, R. E., O’Rourke, B., and Marban, E. (1999) Inducible genetic suppression of neuronal excitability. J. Neurosci. 19(5), 1691–1697.
Johns, D. C., Nuss, H. B., and Marban, E. (1997) Suppression of neuronal and cardiac transient outward currents by viral gene transfer of dominant-negative Kv4. 2 constructs. J. Biol. Chem. 272(50), 31,598–31,3603.
Johns, D. C., Nuss, H. B., Chiamvimonvat, N., Ramza, B. M., Marban, E., and Lawrence, J. H. (1995) Adenovirus-mediated expression of a voltage-gated potassium channel in vitro (rat cardiac myocytes) and in vivo (rat liver). J. Clin. Invest. 95, 1152–1158.
Nuss, H. B., Johns, D. C., Kaab, S., Tomaselli, G. F., Kass, D., Lawrence, J. H., and Marban, E. (1996) Reversal of potassium channel deficiency in cells from failing hearts by adenoviral gene transfer: a prototype for gene therapy for disorders of cardiac excitability and contractility. Gene Ther. 3(10), 900–912.
Holt, J. R., Johns, D. C., Wang, S., Chen, Z. Y., Dunn, R. J., Marban, E., and Corey, D. P. (1999) Functional expression of exogenous proteins in mammalian sensory hair cells infected with adenoviral vectors [In Process Citation]. J. Neurophysiol. 81(4), 1881–1888.
Ehrengruber, M. U., Lanzrein, M., Xu, Y., Jasek, M. C., Kantor, D. B., Schuman, E. M., et al. (1998) Recombinant adenovirus-mediated expression in nervous system of genes coding for ion channels and other molecules involved in synaptic function. Methods Enzymol. 293, 483–503.
Ehrengruber, M. U., Doupnik, C. A., Xu, Y., Garvey, J., Jasek, M. C., Lester, H. A., and Davidson, N. (1997) Activation of heteromeric G protein-gated inward rectifier channels overexpressed by adenovirus gene transfer inhibits the excitability of hippocampal neurons. Proc. Natl. Acad. Sci. USA 94, 7070–7075.
Harris, H., Sidebottom, E., Grace, D. M., and Bramwell, M. E. (1969) The expression of genetic information: a study with hybrid animal cells. J. Cell Sci. 4(2), 499–525.
Frye, L. D. and Edidin, M. (1970) The rapid intermixing of cell surface antigens after formation of mouse-human heterokaryons. J. Cell Sci. 7(2), 319–335.
Okada, Y. (1993) Sendai virus-induced cell fusion. Methods Enzymol. 221, 18–41.
Matsuda, R., Noro, N., and Ichimura, T. (1988) Myoblast-mediated fusioninjection: a new technique for introduction of macromolecules specifically into living skeletal muscle cells. Exp. Cell. Res. 176(2), 366–370.
Uchida, T. (1988) Introduction of macromolecules into mammalian cells by cell fusion. Exp. Cell. Res. 178(1), 1–17.
Goshima, K. and Wakabayashi, S. (1981) Inhibition of ouabain-induced arrhythmias of ouabain-sensitive myocardial cells (quail) by contact with ouabainresistant cells (mouse) and its mechanism. J. Mol. Cell Cardiol. 13(1), 75–92.
Goshima, K., Kaneko, H., Wakabayashi, S., Masuda, A., and Matsui, Y. (1984) Beating activity of heterokaryons between myocardial and non-myocardial cells in culture. Exp. Cell. Res. 151(1), 148–159.
Kaprielian, Z., Robinson, S. W., Fambrough, D. M., and Kessler, P. D. (1996) Movement of Ca(2+)-ATPase molecules within the sarcoplasmic/endoplasmic reticulum in skeletal muscle. J. Cell Sci. 109(Pt 10), 2529–2537.
Evans, S. M., Tai, L. J., Tan, V. P., Newton, C. B., and Chien, K. R. (1994) Heterokaryons of cardiac myocytes and fibroblasts reveal the lack of dominance of the cardiac muscle phenotype. Mol. Cell Biol. 14(6), 4269–4279.
Ahkong, Q. F., Desmazes, J. P., Georgescauld, D., and Lucy, J. A. (1987) Movements of fluorescent probes in the mechanism of cell fusion induced by poly(ethylene glycol). J. Cell Sci. 88(Pt 3), 389–398.
Deng, Y. P. and Storrie, B. (1988) Animal cell lysosomes rapidly exchange membrane proteins [published erratum appears in Proc. Natl. Acad. Sci. USA 86(9), 3214]. Proc. Natl. Acad. Sci. USA 85(11), 3860–23864.
Deng, Y. P., Griffiths, G., and Storrie, B. (1991) Comparative behavior of lysosomes and the pre-lysosome compartment (PLC) in in vivo cell fusion experiments. J. Cell Sci. 99(Pt 3), 571–582.
Deng, Y., DeCourcy, K., and Storrie, B. (1992) Intermixing of resident Golgi membrane proteins in rat-hamster polykaryons appears to depend on organelle coalescence. Eur. J. Cell Biol. 57(1), 1–11.
Hoppe, U. C., Johns, D. C., Marban, E., and O’Rourke, B. (1999) Manipulation of cellular excitability by cell fusion: effects of rapid introduction of transient outward K+ current on the guinea pig action potential. Circ. Res. 84(8), 964–972.
Johns, D. C., Nuss, H. B., and Marban, E. (1997) Suppression of neuronal and cardiac transient outward currents by viral gene transfer of dominant-negative Kv4. 2 constructs. J. Biol. Chem. 272(50), 31,598–31,603.
Maniatis, T., Fritsch, E. F., and Sambrook, J. (1989) Molecular Cloning: A Laboratory Manual, 2nd ed., Cold Spring Harbor Laboratory, Cold Spring Harbor, NY.
Mitra, R. and Morad, M. (1986) Two types of calcium channels in guinea pig ventricular myocytes. Proc. Natl. Acad. Sci. USA 83(14), 5340–5344.
Hamill, O. P., Marty, A., Neher, E., Sakmann, B., and Sigworth, F. J. (1981) Improved patch-clamp techniques for high-resolution current recording from cells and cell-free membrane patches. Pflügers Arch. 391(2), 85–100.
Neher, E. (1992) Correction for liquid junction potentials in patch clamp experiments. Methods Enzymol. 207, 123–131.
Näbauer, M., Beuckelmann, D. J., Uberfuhr, P., and Steinbeck, G. (1996) Regional differences in current density and rate-dependent properties of the transient outward current in subepicardial and subendocardial myocytes of human left ventricle. Circulation 93(1), 168–177.
Wettwer, E., Amos, G. J., Posival, H., and Ravens, U. (1994) Transient outward current in human ventricular myocytes of subepicardial and subendocardial origin. Circ. Res. 75(3), 473–482.
Anyukhovsky, E. P., Sosunov, E. A., and Rosen, M. R. (1996) Regional differences in electrophysiological properties of epicardium, midmyocardium, and endocardium, in vitro and in vivo correlations. Circulation 94(8), 1981–1988.
Liu, D. W., Gintant, G. A., and Antzelevitch, C. (1993) Ionic bases for electrophysiological distinctions among epicardial, midmyocardial, and endocardial myocytes from the free wall of the canine left ventricle. Circ. Res. 72(3), 671–687.
Lukas, A. and Antzelevitch, C. (1993) Differences in the electrophysiological response of canine ventricular epicardium and endocardium to ischemia. Role of the transient outward current. Circulation 88(6), 2903–2915.
Furukawa, T., Myerburg, R. J., Furukawa, N., Bassett, A. L., and Kimura, S. (1990) Differences in transient outward currents of feline endocardial and epicardial myocytes. Circ. Res. 67(5), 1287–1291.
Clark, R. B., Bouchard, R. A., Salinas-Stefanon, E., Sanchez-Chapula, J., and Giles, W. R. (1993) Heterogeneity of action potential waveforms and potassium currents in rat ventricle. Cardiovasc. Res. 27(10), 1795–1799.
Fedida, D., Braun, A. P., and Giles, W. R. (1991) Alpha 1-adrenoceptors reduce background K+ current in rabbit ventricular myocytes. J. Physiol. (Lond.) 441, 673–684.
Beuckelmann, D. J., Näbauer, M., and Erdmann, E. (1993) Alterations of K+ currents in isolated human ventricular myocytes from patients with terminal heart failure. Circ. Res. 73, 379–385.
Kääb, S., Nuss, H. B., Chiamvimonvat, N. O., Rourke, B., Pak, P. H., Kass, D. A., et al. (1996) Ionic mechanism of action potential prolongation in ventricular myocytes from dogs with pacing-induced heart failure. Circ. Res. 78(2), 262–273.
Rozanski, G. J., Xu, Z., Zhang, K., and Patel, K. P.(1998) Altered K+ current of ventricular myocytes in rats with chronic myocardial infarction. Am. J. Physiol. 274(1 Pt 2), H259–H265.
Johns, D. C., Nuss, H. B., and Marban, E. (1997) Suppression of neuronal and cardiac transient outward currents by viral gene transfer of dominant-negative Kv4. 2 constructs. J. Biol. Chem. 272, 31,598–31,603.
Barry, D. M., Xu, H., Schuessler, R. B., and Nerbonne, J. M. (1998) Functional knockout of the transient outward current, long-QT syndrome, and cardiac remodeling in mice expressing a dominant-negative Kv4 alpha subunit. Circ. Res. 83(5), 560–567.
Antzelevitch, C., Sicouri, S., Litovsky, S. H., Lukas, A., Krishnan, S. C., Di Diego, J. M., et al. (1991) Heterogeneity within the ventricular wall. Electrophysiology and pharmacology of epicardial, endocardial, and M cells. Circ. Res. 69(6), 1427–1449.
Weidmann, S. (1970) Electrical constants of trabecular muscle from mammalian heart. J. Physiol. (Lond.) 210(4), 1041–1054.
Author information
Authors and Affiliations
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 2001 Humana Press Inc., Totowa, NJ
About this protocol
Cite this protocol
Johns, D.C., Hoppe, U.C., Marbán, E., O’Rourke, B. (2001). Delivering Ion Channels to Mammalian Cells by Membrane Fusion. In: Lopatin, A.N., Nichols, C.G. (eds) Ion Channel Localization. Methods in Pharmacology and Toxicology. Humana Press. https://doi.org/10.1385/1-59259-118-3:275
Download citation
DOI: https://doi.org/10.1385/1-59259-118-3:275
Publisher Name: Humana Press
Print ISBN: 978-0-89603-833-2
Online ISBN: 978-1-59259-118-3
eBook Packages: Springer Protocols