Research Papers:

Artesunate suppresses the viability and mobility of prostate cancer cells through UCA1, the sponge of miR-184

Yan Zhou _, Xiuju Wang, Jianjun Zhang, Aina He, Ya Ling Wang, Kun Han, Yang Su, Junyi Yin, Xiaobin Lv and Haiyan Hu

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Oncotarget. 2017; 8:18260-18270. https://doi.org/10.18632/oncotarget.15353

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Yan Zhou1,*, Xiuju Wang2,*, Jianjun Zhang1,*, Aina He1, Ya Ling Wang1, Kun Han1, Yang Su1, Junyi Yin1, Xiaobin Lv3, Haiyan Hu1

1Oncology Department of Shanghai Jiao Tong University Affiliated Sixth People's Hospital of Shanghai, Shanghai, China, 200233

2Key Laboratory of Malignant Tumor Gene Regulation and Target Therapy of Guangdong Higher Education Institutes, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Yuexiu District of Guangzhou City, Guangdong Province, China, 510282

3Central Laboratory of the Third Affiliated Hospital, Nanchang University, Donghu District, Nanchang City, Jiangxi Province, China, 330008

*These authors have contributed equally to this work

Correspondence to:

Haiyan Hu, email: [email protected]

Xiaobin Lv, email: [email protected]

Keywords: artesunate, prostate cancer, metastasis, UCA1, miR-184

Received: October 21, 2016    Accepted: January 09, 2017    Published: February 16, 2017


Artesunate (ART) is a sesquiterpene lactone isolated from the leafy portions of the Chinese herb Artemisia annua. Here, we evaluated the effect of ART on the prostate cancer (PCa) cell lines DU145 and LNCaP and explored its potential mechanisms. ART inhibited the viability and mobility of DU145 and LNCaP cells. Mechanistically, we found that UCA1, one of the most important lncRNAs in malignancies of the urinary system, may be a potential mediator contributing to the tumor suppressor function of ART. First, the UCA1 level was reduced significantly after being exposed to ART. In addition, UCA1 was up-regulated in prostate cancer tissues compared to hyperplastic prostatic tissues, and a higher UCA1 level predicted poor prognosis in PCa patients. Furthermore, reintroduction of UCA1 into PCa cells reversed the effect of ART on apoptosis and metastatic ability. Then we determined that the miR-184/Bcl-2 axis might be the downstream signaling pathway of UCA1 upon ART treatment. UCA1 binds to miR-184 through its seed sequences and may function as a sponge for miR-184.

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