J Cancer 2020; 11(11):3216-3224. doi:10.7150/jca.41492 This issue Cite

Research Paper

MicroRNA-129-2-3p directly targets Wip1 to suppress the proliferation and invasion of intrahepatic cholangiocarcinoma

Chen Chen1#, Jinqiong Jiang2#, Meng Fang1, Lei Zhou1, Yongzhi Chen1, Jia Zhou1, Yinghui Song1, Gaoying Kong3,4, Bao Zhang5, Bo Jiang1, Hao Li1, Chuang Peng1, Sulai Liu1✉

1. Department of Hepatobiliary Surgery, Hunan Provincial People's Hospital/The First Affiliated Hospital of Hunan Normal University, Changsha, Hunan Province, People's Republic of China.
2. Department of Oncology, Hunan Provincial People's Hospital/The First Affiliated Hospital of Hunan Normal University, Changsha, Hunan Province, People's Republic of China.
3. Department of Anesthesiology, Hunan Provincial People's Hospital/The First Affiliated Hospital of Hunan Normal University, Changsha, Hunan Province, People's Republic of China.
4. Clinical Research Center for Anesthesiology of ERAS in Hunan Province, Changsha 410005, China.
5. Department of Minimally Invasive Surgery, The Second People's Hospital of Hunan Province, Changsha 410017, China.
#This author contributes equally to this work.

Citation:
Chen C, Jiang J, Fang M, Zhou L, Chen Y, Zhou J, Song Y, Kong G, Zhang B, Jiang B, Li H, Peng C, Liu S. MicroRNA-129-2-3p directly targets Wip1 to suppress the proliferation and invasion of intrahepatic cholangiocarcinoma. J Cancer 2020; 11(11):3216-3224. doi:10.7150/jca.41492. https://www.jcancer.org/v11p3216.htm
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Abstract

Accumulated studies showed that numerous microRNAs (miRNAs) were aberrantly expressed in human intrahepatic cholangiocarcinoma (ICC) and contributed to the tumorigenic processes. However, whether miR-129-2-3p is implicated in the ICC initiation and progression is still limited. Here, the results revealed that miR-129-2-3p expression was notably decreased in ICC tissues and cell lines, and that a low miR-129-2-3p expression was obviously associated with distant metastasis and clinical stage. Exogenous miR-129-2-3p expression evidently repressed the proliferative and invasive abilities of ICC cells. Mechanistic studies indicated that Wild-type p53-induced phosphatase 1 (Wip1) was a direct target gene for miR-129-2-3p in ICC cells. Furthermore, silencing Wip1 expression mimicked the suppressive effects of miR-129-2-3p upregulation on ICC cells. Interestingly, reintroduction of Wip1 expression partially abolished the miR-129-2-3p -reduced cell proliferation and invasion in ICC. Moreover, ectopic miR-129-2-3p expression hindered the ICC tumor growth in vivo. To the best of our knowledge, it is the first time to reveal that miR-129-2-3p plays a crucial role in tumor suppression in ICC pathogenesis through directly targeting Wip1. These results will aid in elucidating the roles of miR-129-2-3p in ICC, and suggest that this miRNA may provide a potential target for the treatment of ICC

Keywords: miR-129-2-3p involved ICC via Wip1


Citation styles

APA
Chen, C., Jiang, J., Fang, M., Zhou, L., Chen, Y., Zhou, J., Song, Y., Kong, G., Zhang, B., Jiang, B., Li, H., Peng, C., Liu, S. (2020). MicroRNA-129-2-3p directly targets Wip1 to suppress the proliferation and invasion of intrahepatic cholangiocarcinoma. Journal of Cancer, 11(11), 3216-3224. https://doi.org/10.7150/jca.41492.

ACS
Chen, C.; Jiang, J.; Fang, M.; Zhou, L.; Chen, Y.; Zhou, J.; Song, Y.; Kong, G.; Zhang, B.; Jiang, B.; Li, H.; Peng, C.; Liu, S. MicroRNA-129-2-3p directly targets Wip1 to suppress the proliferation and invasion of intrahepatic cholangiocarcinoma. J. Cancer 2020, 11 (11), 3216-3224. DOI: 10.7150/jca.41492.

NLM
Chen C, Jiang J, Fang M, Zhou L, Chen Y, Zhou J, Song Y, Kong G, Zhang B, Jiang B, Li H, Peng C, Liu S. MicroRNA-129-2-3p directly targets Wip1 to suppress the proliferation and invasion of intrahepatic cholangiocarcinoma. J Cancer 2020; 11(11):3216-3224. doi:10.7150/jca.41492. https://www.jcancer.org/v11p3216.htm

CSE
Chen C, Jiang J, Fang M, Zhou L, Chen Y, Zhou J, Song Y, Kong G, Zhang B, Jiang B, Li H, Peng C, Liu S. 2020. MicroRNA-129-2-3p directly targets Wip1 to suppress the proliferation and invasion of intrahepatic cholangiocarcinoma. J Cancer. 11(11):3216-3224.

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