Inhibitory effect of Trolox on the migration and invasion of human lung and cervical cancer cells.

Abstract:

:The antioxidant 6-hydroxy-2,5,7,8-tetramethylchroman-2-carboxylic acid (Trolox) is implicated in migration and invasion of metastatic tumors. However, the molecular mechanism underlying the effect of Trolox on metastatic cancer cells is not known. We found that a non-cytotoxic dose of Trolox decreased phorbol 12-myristate 13-acetate (PMA)-induced invasion and migration of both A549 and HeLa cancer cells. We also found that Trolox suppressed both the expression and the proteolytic activity of matrix metalloproteinase-9 (MMP-9), and that the promoter activity of PMA-induced MMP-9 was inhibited by Trolox. Our results show that Trolox inhibits the transcriptional activity of MMP-9 by suppression of NF-κB transactivation. These results indicate that Trolox inhibits NF-κB-mediated MMP-9 expression, leading to the suppression of migration and invasion in lung and cervical cancer cells. Trolox is a potential agent for clinical use in preventing the invasion and metastasis of human malignant lung and cervical cancers.

journal_name

Int J Mol Med

authors

Sung HJ,Kim Y,Kang H,Sull JW,Kim YS,Jang SW,Ko J

doi

10.3892/ijmm.2011.832

subject

Has Abstract

pub_date

2012-02-01 00:00:00

pages

245-51

issue

2

eissn

1107-3756

issn

1791-244X

journal_volume

29

pub_type

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