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NUP210 and MicroRNA-22 Modulate Fas to Elicit HeLa Cell Cycle Arrest.


ABSTRACT: PURPOSE:Cervical cancer is one of the most fatal diseases among women in under-developed countries. To improve cervical cancer treatment, discovery of new targets is needed. In this study, we investigated the expression of NUP210, miR-22, and Fas in cervical cancer tissues and their functions in cell cycle regulation. MATERIALS AND METHODS:We detected and compared the expression levels of NUP210, miR-22, and Fas in cervical cancer tissues with paired normal tissues using immunohistochemistry, Western blot, and real-time quantitative polymerase chain reaction. NUP210 was knocked down in HeLa cells via lentivirus, followed by cell cycle and proliferation analysis. Using a luciferase reporter assay, we explored the link between miR-22 and NUP210. We overexpressed miR-22 in HeLa cells and analyzed cell cycle and proliferation function. We then overexpressed miR-22 in NUP210 knockdown cells to explore the connection between Fas and miR-22-NUP210 signaling. RESULTS:We found that NUP210 was overexpressed in cervical cancer patients. Knocking down NUP210 restored cell apoptosis and proliferation. We confirmed miR-22 as a regulator of NUP210 and verified that miR-22 was inhibited in cervical cancer development. We also found that restoring miR-22 expression could induce cell apoptosis. Finally, we found that miR-22-regulated expression of NUP210 could alter Fas expression and, in turn, elicit cell cycle arrest and proliferation. CONCLUSION:miR-22 in cervical cancer is downregulated, resulting in NUP210 overexpression and inhibition of Fas-induced cell apoptosis.

SUBMITTER: Gu Q 

PROVIDER: S-EPMC7214106 | biostudies-literature | 2020 May

REPOSITORIES: biostudies-literature

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NUP210 and MicroRNA-22 Modulate Fas to Elicit HeLa Cell Cycle Arrest.

Gu Qiao Q   Hou Wenjie W   Liu Huan H   Shi Lijuan L   Zhu Zonghao Z   Ye Wenfeng W   Ni Xiaoyuan X  

Yonsei medical journal 20200501 5


<h4>Purpose</h4>Cervical cancer is one of the most fatal diseases among women in under-developed countries. To improve cervical cancer treatment, discovery of new targets is needed. In this study, we investigated the expression of NUP210, miR-22, and Fas in cervical cancer tissues and their functions in cell cycle regulation.<h4>Materials and methods</h4>We detected and compared the expression levels of NUP210, miR-22, and Fas in cervical cancer tissues with paired normal tissues using immunohis  ...[more]

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