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CK20 Expression Enhances the Invasiveness of Tamoxifen-resistant MCF-7 Cells
Cited 8 time in
Web of Science
Cited 9 time in Scopus
- Authors
- Issue Date
- 2012-04
- Citation
- Anticancer Research, Vol.32 No.4, pp.1221-1228
- Abstract
- Cytokeratin 20 (CK20) is an intermediate filament that is known to be a prognostic marker in several types of cancer. However, little is known about CK20 expression and tumor metastasis in tamoxifen-resistant MCF-7 (TRM-7) breast cancer cells. TRM-7 cells overexpress CK20, resulting in enhanced invasiveness in vitro. CK20 silencing reduced the invasiveness of TRM-7 cells. Moreover, CK20 expression in MCF-7 cells was regulated by peroxisome proliferator-activated receptor gamma (PPAR gamma). Our findings suggest that PPAR gamma-dependent CK20 expression enhances the metastatic potential of MCF-7 breast cancer cells and may be a potential therapeutic target in tamoxifen-resistant breast cancer.
- ISSN
- 0250-7005
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