期刊
BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS
卷 403, 期 1, 页码 154-159出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.bbrc.2010.11.007
关键词
NF-kappa B; Chemokine; MMP; Invasion
资金
- Ministry of Education, Culture, Sports, Science, and Technology (MEXT)
- National Institute of Biomedical Innovation (NIBIO)
- Grants-in-Aid for Scientific Research [20113008] Funding Source: KAKEN
Ovarian carcinomas are often highly invasive, especially in the peritoneal cavity: however, the mechanism involved in invasion is not yet fully understood. In the present research, we studied the role of NF-kappa B in the invasiveness of ovarian carcinoma cells by using (-)-DHMEQ a specific inhibitor of NF-kappa B. (-)-DHMEQ inhibited invasion in vitro and the expression of CXCL12 and CXCR4. We found that neutralizing antibody against CXCR4 or knockdown of CXCR4 suppressed the invasion. Proteomic analysis revealed that CXCR4-siRNA treatment lowered the secretion of several invasion-related proteins, such as MMP-9 and uPA. These data imply that (-)-DHMEQ suppressed ovarian cell invasion via inhibition of the NF-kappa B-regulated autocrine system of CXCL12-CXCR4. (C) 2010 Elsevier Inc. All rights reserved.
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