Plasmid DNA introduced into cultured cells with diagnostic ultrasound.

Abstract:

:The usefulness of diagnostic ultrasound in gene transfer was investigated. The hepatocellular carcinoma cell lines PRL/PRF/5 and Hep3B, and the pancreatic carcinoma Panc-1 cells were transfected with lipofectin or irradiated with a linear probe with a frequency of 8 MHz at a mechanical index of 0.4 through the bottom of the plates for 5 min using diagnostic ultrasound (US) with pEGFP-N1 [green fluorescent protein (GFP) expression plasmid], and observed under fluorescence microscopy 48 h later. The cell lines were transfected or irradiated with US with pGL3 control (luciferase reporter plasmid), and a luciferase assay (48 h later) or an MTS assay (72 h later) were performed. Although signals of GFP were observed in cells with US, the transfection efficiencies of US were lower than those of transfection. Luciferase activities of cells with US were higher than those of non-irradiated or transfected cells, but lower than those of transfection. Cell viability with US did not change.

journal_name

Oncol Rep

journal_title

Oncology reports

authors

Tomizawa M,Shinozaki F,Sugiyama T,Yamamoto S,Sueishi M,Yoshida T

doi

10.3892/or.2012.1643

subject

Has Abstract

pub_date

2012-05-01 00:00:00

pages

1360-4

issue

5

eissn

1021-335X

issn

1791-2431

journal_volume

27

pub_type

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