Interleukin-8 Promotes Human Ovarian Cancer Cell Migration by Epithelial-mesenchymal Transition Induction in Vitro

Overview

Journal Clin Transl Oncol

Specialty Oncology

Date 2014 Nov 7

PMID 25373532

Citations 30

Authors

J Yin

F Zeng

N Wu

K Kang

Z Yang

H Yang

Affiliations

Soon will be listed here.

Abstract

Purpose: It has been well established that high serum levels of interleukin-8 (IL-8) in ovarian cancer result in a poor clinical outcome. Thus, the aim of this study was investigating the role of IL-8 in ovarian cancer development.

Methods: Two human ovarian cancer cell lines (SKOV3 and OVCAR3) were cocultured with IL-8 (100 ng/L) for 24 h, then cell migration was determined by transwell assay. Epithelial-mesenchymal transition (EMT)-associated proteins including E-cadherin and β-catenin, and phosphorylation status of β-catenin were investigated by Western blot analysis.

Results: After treatment with IL-8 (100 ng/L) for 24 h, transwell assay result showed that the number of migrated ovarian cells increased significantly. Western blot analysis revealed that protein levels of E-cadherin were decreased, while that of β-catenin were elevated both in IL-8 pretreated SKOV3 and OVCAR3 cells. We further found that phosphorylation status of β-catenin were elevated either in cytoplasm or in nucleus of these two ovarian cancer cell lines after treatment with IL-8 for 24 h.

Conclusions: Our data suggest that IL-8 induces EMT in ovarian cancer cells and implicates its potential role in enhancing ovarian cancer cell metastasis.

Citing Articles

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