STAT3 suppress the proliferation and invasion of ovarian cancer cells via IL-37 expression

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Research Article
Journal of Cellular Cancer  Volume 7, Issue 1, pages 43-56
Published: June 22, 2015

Mark Fullerton, Lihua Li, Ling Wu, David B. Mulier, Xian Chen, Celeste B. Determan, Jean Friese, Ling Yao

Abstract

Most ovarian cancers are highly invasive and the high burden of metastatic disease make them a leading cause of mortality among all women malignancies. The status of STAT3 signalling in human ovarian tissues was assessed by immunohistochemistry. The expression level of IL-37 was measured by quantitative-PCR (Q-PCR) and Western Blot after transfection/treatments with clones/reagents in normal/cancer cells. The physiological effect of STAT3 on invasion/motility was checked by matrigel invasion and wound healing assay and Western blotting was used for protein detection. In this paper, we found IL-37 inhibited STAT3 expression and silecing STAT3 decreased significantly the ability of IL-37 to suppress cell proliferation and invasion of ovarian cancer cells. Collectively, our data link the STAT3 up regulation restored the ability of cell proliferation, cell invasion and the expression of proinflammatory cytokines. Moreover, these results provide further support for the importance of these pathways as potential therapeutic targets in ovarian cancer cell.

Keywords: ovarian cancers; STAT3; IL-37; Metastatic disease; Invasion

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Mark Fullerton, Lihua Li, Ling Wu, David B. Mulier, Xian Chen, Celeste B. Determan, Jean Friese, Ling Yao. STAT3 suppress the proliferation and invasion of ovarian cancer cells via IL-37 expression. Journal of cellular cancer 2014; 7(1):43-56.