Effect of a 125 mT Static Magnetic Field on the Kinetics of Voltage Activated Na+ Channels in GH3 Cells

Bioelectromagnetics

Volumn 24, Issue 7, 2003, Pages 517-523

  Rosen, Arthur D ^a  

^a PURDUE UNIVERSITY   (United States)

Author keywords

Cell membrane; DC magnetic fields; Diamagnetism; Magnetic anisotropy; Sodium channels; Thermotropic phase transition

Indexed keywords

CELLS; CHEMICAL ACTIVATION; CYTOLOGY; ELECTROPHYSIOLOGY; MAGNETIC FIELDS; SODIUM; TEMPERATURE DISTRIBUTION;

CHANNEL CURRENTS; CURRENT-VOLTAGE RELATIONSHIP; DC MAGNETIC FIELD; NA+ CHANNEL; PATCH CLAMP METHOD; SODIUM CHANNEL; STATIC MAGNETIC FIELDS; THERMOTROPIC PHASE TRANSITION; TIME-CONSTANTS; WHOLE CELL PATCH CLAMP;

MAGNETIC ANISOTROPY;

SODIUM CHANNEL;

ANIMAL CELL; ANISOTROPY; ARTICLE; CELL FUNCTION; CELL MEMBRANE; CONTROLLED STUDY; ELECTRIC CURRENT; ELECTRIC POTENTIAL; KINETICS; MAGNETIC FIELD; NONHUMAN; PHASE TRANSITION; PRIORITY JOURNAL; RADIATION EXPOSURE; RAT; TEMPERATURE DEPENDENCE; ADAPTATION; ANIMAL; CELL LINE; CELL MEMBRANE POTENTIAL; CHANNEL GATING; ELECTROMAGNETIC FIELD; HYPOPHYSIS; MAGNETISM; PHYSIOLOGY; TEMPERATURE;

ADAPTATION, PHYSIOLOGICAL; ANIMALS; CELL LINE; CELL MEMBRANE; ELECTROMAGNETIC FIELDS; ION CHANNEL GATING; KINETICS; MAGNETICS; MEMBRANE POTENTIALS; PITUITARY GLAND; RATS; SODIUM CHANNELS; TEMPERATURE;

EID: 1542494642     PISSN: 01978462     EISSN: None     Source Type: Journal    
DOI: 10.1002/bem.10124     Document Type: Article

References (20)

1. Bezanilla F, Armstrong CM. 1977. Inactivation of the sodium channel. I. Sodium current experiments. J Gen Physiol 70:549-566.
2. Boroske E, Helfrich W. 1978. Magnetic anisotropy of egg lecithin membranes. Biophys J 24:863-868.
3. Braganza LF, Blott BH, Coe TJ, Melville D. 1984. The superdiamagnetic effect of magnetic fields on one and two component multilamellar liposomes. Biochim Biophys Acta 801:66-75.
4. Catterall WA. 1988. Structure and function of voltage-sensitive ion channels. Science 242:50-61.
5. Fernandez JM, Fox AP, Krasne S. 1984. Membrane patches and whole-cell membranes: A comparison of electrical properties in rat clonal pituitary (GH3) cells. J Physiol 356:565-585.
6. Hille B. 1992. The Hodgkin-Huxley model describes permeability changes. In: Ionic channels of excitable membranes. 2nd edition. Massachusetts: Sinauer. pp 44-58.
7. Hong FT, Mauzerall D, Mauro A. 1971. Magnetic anisotropy and the orientation of retinal rods in a homogeneous magnetic field. Proc Nat Acad Sci USA 68:1283-1285.
8. Maret G, Dransfield K. 1977. Macromolecules and membranes in high magnetic fields. Physica 86-88B:1077-1083.
9. Maret G, Dransfield K. 1985. Biomolecules and polymers in high steady magnetic fields. In: Strong and ultrastrong magnetic fields and their applications. New York: Springer-Verlag. pp 143-204.
10. Matteson DR, Armstrong CM. 1984. Na and Ca channels in a transformed line of anterior pituitary cells. J Gen Physiol 83:371-394.
11. McLean MJ, Holcomb RR, Wamil AW, Picket JD, Cavopol AV. 1995. Blockade of sensory neuron action potentials by a static magnetic field in the 10 mT range. Bioelectromagnetics 16:20-32.
12. Neugenbauer DC, Blaurock AE, Worcester DL. 1977. Magnetic orientation of purple membranes demonstrated by optical measurements and neutron scattering. FEBS Lett 78:31-35.
13. +-channel inactivation: Charge neutralizations in the III-IV linker. Proc Natl Acad Sci USA 89:10905-10909.
14. Peterson HP, vonWangenheim KH, Feinendegen LE. 1992. Magnetic field exposure of marrow donor mice can increase the number of spleen colonies (CFU-S 7d) in marrow recipient mice. Radiat Environ Biophys 31:31-38.
15. Rosen AD. 1992. Magnetic field influence on acetylcholine release at the neuromuscular junction. Am J Physiol 262:C1418-C1422 (Cell Physiol 31).
16. Rosen AD. 1994. Threshold and limits of magnetic field action at the presynaptic membrane. Biochim Biophysica Acta 1193:62-66.
17. Rosen AD. 1996. Inhibition of calcium channel activation in GH3 cells by static magnetic fields. Biochim Biophysica Acta 1282:149-155.
18. Rosen AD. 2001. Nonlinear temperature modulation of sodium channel kinetics in GH3 cells. Biochim Biophysica Acta 151: 391-396.
19. Rosen AD, Lubowsky J. 1990. Modification of spontaneous unit discharge in the lateral geniculate body by a magnetic field. Exp Neurol 108:261-265.
20. Speyer JB, Sripada PK, Das Gupta SK, Shipley GG, Griffin RG. 1987. Magnetic orientation of sphingomyelin-lecithin bilayers. Biophys J 51:687-691.