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interests The authors declare that they have no competing interests. Authors’ contributions MT carried out analysis of EMT, western blotting analysis, real time PCR, migration and invasion assays, statistical analysis, and drafted the manuscript. MK and SF carried out analysis of EMT, western blotting analysis. TI, TS, MI, KS, and HS carried out western blotting analysis. TT, NO, KM, and DF carried out migration and invasion assays. JM, KS, and TS contributed to statistical analyses. SN designed the experiments and revised the manuscript. All authors read and approved the final manuscript.”
“Background Epithelial ovarian cancer (EOC) is the fifth most common cause of cancer mortality in United States and Chinese women [1, 2]. The standard primary treatment paradigm of EOC includes optimal primary cytoreductive surgery (CRS) followed by platinum/paclitaxel based chemotherapy. Although more than half of EOC patients results in a complete clinical response (CCR) through initial therapy, achieving complete cure is infrequent. In fact, about 75% EOC patients develop recurrent disease within 2 years and the mean 5-year survival rate following the radiological defined recurrence is less than 10% [3]. The management of recurrent diseases is one of the key topics and is less clear than that of primary EOC.