| 1 | Jumonji domain-containing 6 (JMJD6) identified as a potential therapeutic target in ovarian cancer显示文摘Jumonji domain-containing 6(JMJD6)is a candidate gene associated with tumorigenesis,and JMJD6 overexpression predicts poor differentiation and unfavorable survival in some cancers.However,there are no studies reporting the expression of JMJD6 in ovarian cancer,and no JMJD6 inhibitors have been developed and applied to targeted cancer therapy research.In the present study,we found that the high expression of JMJD6 in ovarian cancer was correlated with poor prognosis in ovarian cancer.A potential inhibitor(SKLB325)was designed based on the crystal structure of the jmjC domain of JMJD6.This molecule significantly suppressed proliferation and induced apoptosis in a dose-dependent manner in SKOV3 cell lines as detected by CCK-8 cell proliferation assays and flow cytometry.A Matrigel endothelial tube formation assay showed that SKLB325 inhibited capillary tube organization and migration in HUVECs in vitro.We also observed that JMJD6 colocalized with p53 protein in the nucleus,with mRNA and protein expression of p53 as well as its downstream effectors significantly increasing both in vitro and in intraperitoneal tumor tissues treated with SKLB325.In addition,SKLB325 significantly reduced the intraperitoneal tumor weight and markedly prolonged the survival of tumor-bearing mice.Taken together,our findings suggest that JMJD6 may be a marker of poor prognosis in ovarian cancer and that SKLB325 may be a potential candidate drug for the treatment of ovarian cancer. | Heng Zheng Yan Tie Zhen Fang Xiaoai Wu Tao Yi Shuang Huang Xiao Liang Yanping Qian Xi Wang Ruyu Pi Siyuan Chen Yong Peng Shengyong Yang Xia Zhao Xiawei Wei | 2019 | Signal Transduction and Targeted Therapy2019，4，1： | 1 |
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