Arsenic trioxide (As(2)O(3)) inhibits peritoneal invasion of ovarian carcinoma cells in vitro and in vivo

Gynecologic Oncology
Jingjing Zhang, Bo Wang

Abstract

To study the role of arsenic trioxide (As(2)O(3)) in regulating peritoneal invasive activity of ovarian carcinoma cells in vitro and in vivo. The effects of As(2)O(3) on human ovarian cancer cell lines (3AO, SW626 and HO-8910PM) migration, invasion and adhesion with tumor cells and human peritoneal mesothelial cells (HPMC) were observed by means of cell migration test, cell invasion test and cell adhesion test. The effects of As(2)O(3) on MMP-2, MMP-9, TIMP-1 and TIMP-2 gene expressions and protein expressions of tumor cells were determined by RT-PCR and ELISA, respectively. In animal experiments, ovarian tumor cells were implanted into abdominal cavity of nude mice and then the nude mice were treated by intraperitoneal injection of different doses As(2)O(3). The foci on the surface of peritoneum were counted. As(2)O(3) inhibited tumor cells migration, invasion and adhesion with HPMC in a dose-dependent manner, while the same treatment enhanced tumor cell-tumor cell interactions. As(2)O(3) inhibited mRNA and protein expressions of MMP-2, MMP-9 and TIMP-2 of tumor cells. In contrast, As(2)O(3) increased mRNA and protein expressions of TIMP-1. As(2)O(3) could reduce tumor cells peritoneal metastasis in nude mice. As(2)O(3) inhibi...Continue Reading

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Citations

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