Abstract:
:The potential anti-metastasis and anti-invasion activities of early growth response gene-1 (Egr-1) and claudin-3, a tight junction (TJ)-related protein, were evaluated using histone deacetylase (HDAC) inhibitors in human hepatocarcinoma cells. The results of wound healing and Transwell assays showed that HDAC inhibitors such as trichostatin A and sodium butyrate inhibited cell migration and invasion. HDAC inhibitors markedly induced Egr-1 expression during the early period, after which expression levels decreased. In addition, the down-regulation of snail and type 1 insulin-like growth factor receptor (IGF-1R) in HDAC inhibitor-treated cells induced the upregulation of thrombospondin-1 (TSP-1), E-cadherin and claudin-3. Cells transfected with Egr-1 and claudin-3 siRNA displayed significant blockage of HDAC inhibitor-induced anti-invasive activity. Collectively, these findings indicate that the up-regulation of Egr-1 and claudin-3 are crucial steps in HDAC inhibitor-induced anti-metastasis and anti-invasion.
journal_name
BMB Repjournal_title
BMB reportsauthors
Kim SO,Choi BT,Choi IW,Cheong J,Kim GY,Kwon TK,Kim ND,Choi YHdoi
10.5483/bmbrep.2009.42.10.655subject
Has Abstractpub_date
2009-10-31 00:00:00pages
655-60issue
10eissn
1976-6696issn
1976-670Xjournal_volume
42pub_type
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