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miR-181a Inhibits Cervical Cancer Development via Downregulating GRP78

Chengyan Luo, Jiangnan Qiu

Department of Gynecology, Jiangsu Province Hospital, The First Affiliated Hospital, Nanjing Medical University, Nanjing, P.R. China

Oncology Research 2017, 25(8), 1341-1348.


Cervical cancer is among the most common cancers inflicting women worldwide. Understanding the pathological mechanisms of cervical cancer development is critical for identifying novel targets for cervical cancer treatment. MicroRNAs (miRs) have various roles in regulating cancer development. In this study, we investigated the potential role of miR-181a and its target in regulating cervical cancer development and chemotherapy resistance. The expression of miR-181a was evaluated and modulated in several human cervical cancer cell lines. The role of miR-181a in regulating cervical cancer growth and chemotherapy sensitivity was investigated in cell culture models and mouse tumor xenograft models. The target of miR-181a and its function were identified in cervical cancer models. We found a distinct expression profile for miR-181a in cervical cancer cell lines. Low expression of miR-181a was closely related to cervical cancer growth and oxaliplatin resistance. HSPA5/ GRP78 was identified as a target of miR-181a in cervical cancer cells. Upregulation of GRP78 led to a high cell proliferation rate and oxaliplatin resistance in cervical cancer models. In a retrospective cervical cancer cohort, high GRP78 expression was correlated with poor survival. miR-181a suppressed cervical cancer development via downregulating GRP78. High expression of GRP78 is a tumor-promoting factor in cervical cancer and is thus a potential target for novel treatment.


Cite This Article

APA Style
Luo, C., Qiu, J. (2017). Mir-181a inhibits cervical cancer development via downregulating GRP78. Oncology Research, 25(8), 1341-1348.
Vancouver Style
Luo C, Qiu J. Mir-181a inhibits cervical cancer development via downregulating GRP78. Oncol Res. 2017;25(8):1341-1348
IEEE Style
C. Luo and J. Qiu, "miR-181a Inhibits Cervical Cancer Development via Downregulating GRP78," Oncol. Res., vol. 25, no. 8, pp. 1341-1348. 2017.

cc This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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