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Epithelial-mesenchymal transition-related genes are linked to aggressive local recurrence of hepatocellular carcinoma after radiofrequency ablation.

Abstract：

:We reported that poor prognoses of hepatocellular carcinoma (HCC) patients after radiofrequency ablation (RFA) are owing to up-regulation of expression of hypoxia-inducible factor-1 and epithelial cell adhesion molecule. We investigated aggressive progression in residual liver tumors (RLTs) after RFA to focus on expression of epithelial-mesenchymal transition (EMT)-related genes and miRNAs. Ten patients with recurrent HCC post-RFA who underwent hepatectomy (RFA group) and 78 patients with HCC without prior RFA (non-RFA group) were enrolled. We examined expression of transforming growth factor (TGF)-β, Twist, vimentin, and Snail-1 mRNAs in tumor tissues, and expression of miR-34a and miR-200c. Expression of TGF-β, Twist and Snail-1 in the RFA group was significantly higher than that in the non-RFA group (P < 0.05); vimentin expression in the RFA group was higher than that in the non-RFA group (P = 0.07). Expression of miR-200c and miR-34a in the RFA group was significantly lower than that in the non-RFA group (miR-200c: P = 0.04; miR-34a: P < 0.01). Increased expression of EMT markers through down-regulation of miRNA expression in RLTs after RFA may be related to poor prognoses of HCC patients with aggressive local recurrence after RFA.

journal_name

Cancer Lett

journal_title

Cancer letters

authors

Iwahashi S,Shimada M,Utsunomiya T,Imura S,Morine Y,Ikemoto T,Takasu C,Saito Y,Yamada S

doi

10.1016/j.canlet.2016.02.041

subject

Has Abstract

pub_date

2016-05-28 00:00:00

pages

47-50

issue

1

eissn

0304-3835

issn

1872-7980

pii

S0304-3835(16)30109-4

journal_volume

375

pub_type

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