Early Apoptosis Difference and Mechanism of Hepatic Cell Lines Treated by Extremely Low Frequency Altering Electro-Magnetic Field Combined with Magnetic Nano Fe3O4 Particles In Vitro

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Extremely low frequency electro-magnetic field (ELFF) exposure could induce hepatoma Bel-7402 and SMMC-7721 cells lines into early apoptosis without some significant effects to healthy hepatic cells HL-7702 cells in low exposure dose through affecting cellular membrane ion metabolism. Magnetic nanoFe3O4 particles (MNPs) presence with low effects to all hepatic cells lines strengthened ELFF bio-effects to tumor cells inducing more amount of tumor cells into early apoptosis with low effects to HL-7702 cells. Western-blot results indicated the early apoptosis signal channel Bcl protein family of tumor cells was activated significantly more effectively than HL-7702 cells due to higher MNPs uptake ratio of tumor cells and higher cellular membrane ion exchanging current than HL-7702 cells. Patch-clamp results showed MNPs combined with ELFF treatment inducing cells into early apoptosis should be partially based on ion metabolism disturbance of cells with similar to ELFF bio-effects to cells.

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Periodical:

Edited by:

X.D. Xu, Bin Li, Q.M. Lu, X.Y. Yan and J.L. Li

Pages:

539-546

Citation:

Z. Q. Chen et al., "Early Apoptosis Difference and Mechanism of Hepatic Cell Lines Treated by Extremely Low Frequency Altering Electro-Magnetic Field Combined with Magnetic Nano Fe3O4 Particles In Vitro", Applied Mechanics and Materials, Vols. 556-562, pp. 539-546, 2014

Online since:

May 2014

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$41.00

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