Correlation between the amplitude of plasma membrane fluctuations and the response of cells to electric and magnetic fields

N. Broude, Rouzan G. Karabakhtsian, N. Shalts, R. Goodman, A. S. Henderson

Research output: Contribution to journalArticle

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Abstract

Several hypotheses designed to explain electric and magnetic (EM) field interaction with cells propose the plasma membrane as a primary target. The present experiments tested whether the status of the plasma membrane influences the response of cells to EM fields. HL-60 cells were exposed to defined EM fields in the presence of either colchicine or cytochalasin B and transcript levels for β-actin and c-fos were determined. The steady state of these mRNAs is known to be increased when cells are exposed to the EM fields used in this study. Treatment of cells with colchicine disturbs microtubules and can lead to small decreases in local plasma membrane fluctuations. Cytochalasin treatment affects the microfilament structure and has been shown to lead to small increases in local membrane fluctuations. The treatment of cells during EM field exposures with colchicine produces opposite effects from that observed in cells treated with cytochalasin B. The stimulatory effect of EM fields on the expression of β-actin and c-fos is abolished in the presence of colchicine. The levels for both β-actin and c-fos, however, are enhanced in the presence of cytochalasin B. These experiments show that the status of the plasma membrane is important in the response of the cell to EM field exposure.

Original languageEnglish (US)
Pages (from-to)19-23
Number of pages5
JournalBioelectrochemistry and Bioenergetics
Volume33
Issue number1
DOIs
StatePublished - 1994
Externally publishedYes

Fingerprint

Magnetic Fields
Cell membranes
colchicine
Electric fields
Cell Membrane
Magnetic fields
membranes
Colchicine
electric fields
Cytochalasin B
cells
magnetic fields
Actins
Cells
Cytochalasins
HL-60 Cells
Actin Cytoskeleton
Cell Communication
Microtubules
Experiments

ASJC Scopus subject areas

  • Biochemistry

Cite this

Correlation between the amplitude of plasma membrane fluctuations and the response of cells to electric and magnetic fields. / Broude, N.; Karabakhtsian, Rouzan G.; Shalts, N.; Goodman, R.; Henderson, A. S.

In: Bioelectrochemistry and Bioenergetics, Vol. 33, No. 1, 1994, p. 19-23.

Research output: Contribution to journalArticle

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