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Biochem Biophys Res Commun. 2007 Nov 9;363(1):82-8. Epub 2007 Aug 30.

LIV-1 suppression inhibits HeLa cell invasion by targeting ERK1/2-Snail/Slug pathway.

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  • 1Center for Laboratory Medicine, The First Affiliated Hospital, School of Medicine, Xi'an Jiaotong University, Xi'an, China.


It was reported that expression of the estrogen-regulated zinc transporter LIV-1 was particularly high in human cervical cancer cell line HeLa. This result prompted us to study the role that LIV-1 played in human cervical cancer. The results of real-time PCR showed that LIV-1 mRNA was significantly higher in cervical cancer in situ than in normal tissues. RNAi mediated suppression of LIV-1 in HeLa cells significantly inhibited cell proliferation, colony formation, migration, and invasive ability, but had no effect on cell apoptosis. Furthermore, LIV-1 suppression is accompanied by down-regulation of p44/42 MAPK, phospho-p44/42 MAPK, Snail and Slug expression levels. Hence, our data provide the first evidence that LIV-1 mRNA is overexpressed in cervical cancer in situ and is involved in invasion of cervical cancer cells through targeting MAPK-mediated Snail and Slug expression.

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