J Cancer 2017; 8(9):1542-1551. doi:10.7150/jca.18680 This issue

Research Paper

MicroRNA-765 Enhances the Anti-Angiogenic Effect of CDDP via APE1 in Osteosarcoma

Wei Liang1*, Xi Wei2*, Qing Li1, Nan Dai1, Chong-Yi Li1, Yi Deng, Xuan Jiang1, Xiao-Rong Tan1, Xiao-Yan Dai1, Meng-Xia Li1, Cheng-Xiong Xu1, Dong Wang1, Zhao-Yang Zhong1 ✉

1. Cancer Center, Daping Hospital and Research Institute of Surgery, Third Military Medical University, Chongqing,400042, China;
2. Department of Diagnostic and Therapeutic Ultrasonography, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center of Cancer, Key laboratory of Cancer Prevention and Therapy, Tianjin, China.
* These authors Wei Liang and Xi Wei contributed equally to this work.

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Liang W, Wei X, Li Q, Dai N, Li CY, Deng Y, Jiang X, Tan XR, Dai XY, Li MX, Xu CX, Wang D, Zhong ZY. MicroRNA-765 Enhances the Anti-Angiogenic Effect of CDDP via APE1 in Osteosarcoma. J Cancer 2017; 8(9):1542-1551. doi:10.7150/jca.18680. Available from https://www.jcancer.org/v08p1542.htm

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Human osteosarcoma (HOS) is the most common malignancy in children and adolescents and has a heterogeneous presentation and high mortality. Previous studies have shown that microRNAs contribute to RNA silencing and post-transcriptional regulation of gene expression. Here, we showed that significantly increased expression of miR-765 with or without CDDP (Cisplatin) down-regulates APE1 expression and angiogenesis-related markers (VEGF, FGF2, TGFβ, and CD34). Further investigation showed that miR-765 modulates osteosarcoma cell migration and angiogenesis following treatment with cisplatin in vitro and in vivo. MiR-765 increases the anti-angiogenic effect of CDDP in human osteosarcoma. Elucidation of the mechanism of the miR-765-APE1 axis in tumor progression of HOS will be beneficial in identifying biomarkers and therapeutic target of osteosarcoma.

Keywords: MicroRNA-765, APE1, Cisplatin, Anti-angiogenesis, Osteosarcoma.