High expression of CDC6 is associated with accelerated cell proliferation and poor prognosis of epithelial ovarian cancer

被引：48

作者：

Deng, Yan ^{[1
]}

Jiang, Lifei ^{[1
]}

Wang, Yingying ^{[2
]}

Xi, Qinghua ^{[1
]}

Zhong, Jianxin ^{[1
]}

Liu, Jian ^{[1
]}

Yang, Shuyun ^{[3
]}

Liu, Rong ^{[4
]}

Wang, Juan ^{[1
]}

Huang, Menghui ^{[1
]}

Tang, Chunhui ^{[1
]}

Su, Min ^{[1
]}

机构：

[1] Nantong Univ, Affiliated Hosp, Dept Obstet & Gynecol, 20 Xisi Rd, Nantong 226001, Jiangsu, Peoples R China

[2] Nantong Univ, Jiangsu Prov Key Lab Inflammat & Mol Drug Target, Coll Med, Dept Pathogen Biol, Nantong 226001, Jiangsu, Peoples R China

[3] Nantong Univ, Canc Hosp, Dept Pathol, Nantong 226001, Jiangsu, Peoples R China

[4] Nantong Univ, Canc Hosp, Dept Gynecol Oncol, Nantong 226001, Jiangsu, Peoples R China

来源：

PATHOLOGY RESEARCH AND PRACTICE | 2016年 / 212卷 / 04期

基金：

中国国家自然科学基金;

关键词：

Epithelial ovarian cancer; Cell division cycle 6 (CDC6); Rb/p16; pathway; Cell proliferation; Therapeutic target; DNA-REPLICATION; TUMORIGENESIS; TRANSCRIPTION; MIGRATION; INVASION;

D O I：

10.1016/j.prp.2015.09.014

中图分类号：

R36 [病理学];

学科分类号：

100104 ;

摘要：

Cell division cycle 6 (CDC6) is an essential regulator of DNA replication and plays important roles in the activation and maintenance of the checkpoint mechanisms in the cell cycle. CDC6 has been associated with the oncogenic activities in human cancers, but the biological function and clinical significance of CDC6 in EOC remain unclear. The aim of the present study is to examine the effect of CDC6 on epithelial ovarian cancer (EOC) cells proliferation. We found that CDC6 protein level was up-regulated in EOC tissues compared with the normal ovary tissues. CDC6 expression correlated significantly with FIGO stage (p < 0.001), differentiation grade (p = 0.002), ascites (p < 0.001), malignant tumor cells in ascites (p = 0.004), and lymph node status (p < 0.001). In vitro, after the release of ovarian cancer cell line (HO8910) from serum starvation, the expression of CDC6, cyclinD1, and PCNA was up-regulated, whereas p16 expression was down-regulated. Furthermore, down-regulation of CDC6 in HO8910 cells decreased cell proliferation and colony formation. HO8910 cells transfected with sh CDC6#1 underwent G1 phase cell cycle arrest. Collectively, this study provides a novel regulatory signaling pathway of CDC6-regulated EOC growth and a new potential therapeutic target for EOC patients. (C) 2015 Elsevier GmbH. All rights reserved.

引用

页码：239 / 246

页数：8

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