Effects of cyclin E gene silencing on the proliferation of esophageal cancer cell lines, EC9706, Eca109 and KYSE30.

Abstract:

:In order to observe the effects of cyclin E gene silencing by small interfering RNA (siRNA) on the growth, proliferation, invasion and apoptosis of esophageal cancer cell lines, including EC9706, Eca109 and KYSE30, siRNA vectors targeting cyclin E gene were constructed and then transfected into the EC9706, Eca109 and KYSE30 human esophageal cancer cell lines. Cyclin E mRNA and protein expression were determined by RT-PCR and western blotting. Cell proliferation and clonality were detected using a CCK-8 test and soft agar colony formation assay. Cell cycle distribution, apoptosis and invasion of EC9706, Eca109 and KYSE30 cells were evaluated with flow cytometry and a transwell culture system. After siRNA vectors targeting the cyclin E gene were transfected into EC9706, Eca109 and KYSE30 cell lines, compared with blank and negative control groups, the expression of cyclin E mRNA and protein (P<0.01), colony-forming units and the number of cells penetrating the transwell membrane (P<0.05) were significantly decreased, the cells in the S and G2/M phase were reduced, the cells in the G0/G1 phase were increased and the apoptosis rate was increased (P<0.01) in the experimental groups. Cyclin E gene silencing effectively inhibits growth, proliferation and invasion of esophageal cancer cells.

journal_name

Mol Med Rep

authors

Wang N,Li M,Zang WQ,Ma YY,Wang YY,Zhao GQ

doi

10.3892/mmr.2013.1280

subject

Has Abstract

pub_date

2013-03-01 00:00:00

pages

799-804

issue

3

eissn

1791-2997

issn

1791-3004

journal_volume

7

pub_type

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