HIF-1α silencing suppresses growth of lung adenocarcinoma A549 cells through induction of apoptosis.

Abstract:

:Lung adenocarcinoma (AC) is one of the most deadly malignancies. The disease has a low five-year survival rate; therefore, the identification of novel therapeutic agents is required. This study aimed to investigate the effect of small interfering RNA (siRNA) targeting hypoxia‑inducible factor 1α (HIF‑1α) on the growth of AC A549 cells. A549 cells were transfected with various concentrations of HIF‑1α or control siRNA, and the effect on HIF‑1α expression was analyzed using quantitative polymerase chain reaction and western blot analysis. The effects of HIF-1α siRNA on growth inhibition and apoptosis were then assessed using standard methods. HIF‑1α siRNA treatment significantly reduced HIF‑1α mRNA and protein expression in A549 cells. Furthermore, the downregulation of HIF-1α expression inhibited the growth of A549 cells and induced apoptosis of A549 cells by upregulating caspase-3 expression. The present in vitro study demonstrates that the downregulation of HIF‑1α is capable of suppressing AC A549 cell growth, through the induction of apoptosis. This suggests that HIF‑1α inhibition may represent a promising strategy for the treatment of AC.

journal_name

Mol Med Rep

authors

Liao HY,Wang GP,Huang SH,Li Y,Cai SW,Zhang J,Chen HG,Wu WB

doi

10.3892/mmr.2014.1910

subject

Has Abstract

pub_date

2014-03-01 00:00:00

pages

911-5

issue

3

eissn

1791-2997

issn

1791-3004

journal_volume

9

pub_type

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