Protective effects of N-acetylcysteine on cisplatin-induced oxidative stress and DNA damage in HepG2 cells.

Abstract:

:Hepatocyte injury is a common pathological effect of cisplatin (CDDP) in various solid tumor therapies. Thus, strategies for minimizing CDDP toxicity are of great clinical interest. N-acetylcysteine (NAC), a known antioxidant, is often used as an antidote for acetaminophen overdose in the clinic due to its ability to increase the levels of glutathione (GSH). In the present study, the aim was to investigate the protective effects of NAC against CDDP-induced apoptosis in human-derived HepG2 cells. The results showed that upon exposure of the cells to CDDP, oxidative stress was significantly induced. DNA damage caused by CDDP was associated with cell apoptosis. NAC pre-treatment significantly reduced the malondialdehyde (MDA) levels and ameliorated the GSH modulation induced by CDDP. NAC also protected against DNA damage and cell apoptosis. These data suggest the protective role of NAC against hepatocyte apoptosis induced by CDDP was achieved through the inhibition of DNA damage and alterations of the redox status in human derived HepG2 cells. These results indicate that NAC administration may protect against CDDP-induced damage.

journal_name

Exp Ther Med

authors

Wang F,Liu S,Shen Y,Zhuang R,Xi J,Fang H,Pan X,Sun J,Cai Z

doi

10.3892/etm.2014.2019

subject

Has Abstract

pub_date

2014-12-01 00:00:00

pages

1939-1945

issue

6

eissn

1792-0981

issn

1792-1015

pii

etm-08-06-1939

journal_volume

8

pub_type

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