Journal of the Neurological Sciences
Volume 222, Issue 1 , Pages 55-57 , 15 July 2004

Effect of a 0.5-T static magnetic field on conduction in guinea pig spinal cord

  • Abigail Coots

      Affiliations

    • Department of Biological Sciences, Purdue University, West Lafayette, IN 47907, USA
    • ,
  • Riyi Shi

      Affiliations

    • Department of Basic Medical Sciences, Center for Paralysis Research, Purdue University, West Lafayette, IN, USA
    • ,
  • Arthur D Rosen

      Affiliations

    • Corresponding Author InformationCorresponding author. Tel.: +1-765-496-2098; fax: +1-765-494-0876.
    • Department of Biological Sciences, Purdue University, West Lafayette, IN 47907, USA

Received 6 February 2004 ,Accepted 5 April 2004.

References 

  1. Klimovskaya LD, Smirnova NP. Changes in brain evoked potentials under the influence of a permanent magnetic field. Bull. Exp. Biol. Med. 1976;82:1125–1129
  2. Rosen AD, Lubowsky J. Modification of spontaneous unit discharge in the lateral geniculate body by a magnetic field. Exp. Neurol. 1990;108:261–265
  3. Rosen AD. Magnetic field influence on acetylcholine release at the neuromuscular junction. Am. J. Physiol. Cell Physiol. 31. 1992;262:C1418–C1422
  4. McLean MJ, Holcomb RR, Wamil AW, Picket JD, Cavopol AV. Blockade of sensory neuron action potentials by a static magnetic field in the 10 mT range. Bioelectromagnetics. 1995;16:20–22
  5. Rosen AD. Mechanism of action of moderate-intensity static magnetic fields on biological systems. Cell Biochem. Biophys. 2003;39:163–173
  6. Shi R, Blight AR. Compression injury of mammalian spinal cord in vitro and the dynamics of action potential conductance failure. J. Neurophysiol. 1996;76:1572–1580
  7. Shi R, Borgens RB. Acute repair of crushed guinea pig spinal cord by polyethylene glycol. J. Neurophysiol. 1999;81:2406–2414
  8. Wikswo JP, Barach JP. An estimate of the steady magnetic field strength required to influence nerve conduction. IEEE Trans. Biomed. Eng. 1980;27:722–724
  9. Rosen AD. Inhibition of calcium channel activation in GH3 cells by static magnetic fields. Biochim. Biophys. Acta. 1996;1282:149–155
  10. Rosen AD. Effect of a 125 mT static magnetic field on the kinetics of voltage activated Na+ channels in GH3 cells. Bioelectromagnetics. 2003;24:517–523
  11. Ritchie JM, Rogart RB. Density of sodium channels in mammalian myelinated nerve fibers and nature of the axonal membrane under the myelin sheath. Proc. Natl. Acad. Sci. U. S. A. 1977;74:211–215
  12. Waxman SG, Ritchie JM. Organization of ion channels in the myelinated nerve fiber. Science. 1985;228:1502–1507
  13. Murray JA, Blakemore WF. The relationship between internodal length and fiber diameter in the spinal cord of the cat. J. Neurol. Sci. 1980;45:29–41
  14. Friede RL, Meier T, Diem M. How is the exact length of an internode determined?. J. Neurol. Sci. 1981;50:217–228

PII: S0022-510X(04)00105-4

doi: 10.1016/j.jns.2004.04.010

Journal of the Neurological Sciences
Volume 222, Issue 1 , Pages 55-57 , 15 July 2004

Article Tools

* Image Usage & Resolution