1. miR-205 Promotes Apoptosis of Cervical Cancer Cells and Enhances Drug Sensitivity of Cisplatin by Inhibiting YAP1.
- Author
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Li X, Li Y, Han Y, Dong B, Liu D, Che L, Liu Y, and Wang Y
- Subjects
- Apoptosis drug effects, Apoptosis genetics, Cell Proliferation drug effects, Cell Proliferation genetics, Cisplatin therapeutic use, Computational Biology, Down-Regulation, Drug Resistance, Neoplasm drug effects, Female, Gene Expression Regulation, Neoplastic drug effects, HEK293 Cells, HeLa Cells, Humans, MicroRNAs agonists, Uterine Cervical Neoplasms drug therapy, Uterine Cervical Neoplasms pathology, YAP-Signaling Proteins, Adaptor Proteins, Signal Transducing genetics, Cisplatin pharmacology, Drug Resistance, Neoplasm genetics, MicroRNAs metabolism, Transcription Factors genetics, Uterine Cervical Neoplasms genetics
- Abstract
Objective: Elevated expression of Yes-associated protein (YAP1) involves in the pathogenesis of cervical cancer. Bioinformatics analysis showed a targeting relationship between miR-205 and the 3'-UTR of YAP1. In this study, we aim to explore the role of miR-205 in the proliferation, apoptosis, or cisplatin (CDDP) resistance of cervical cancer cells. Patients and Methods: The dual luciferase reporter gene assay verified the relationship between miR-205 and YAP1. The CDDP-resistant cell line Hela/CDDP cells were cultured in vitro and divided into miR-NC group, miR-205 mimic group, and miR-205 inhibitor group followed by analysis of the expression of miR-205 and YAP1 mRNA by quantitative real-time polymerase chain reaction (qRT-PCR), and YAP1 protein level by western blot. Results: There was a targeted relationship between miR-205 and YAP1 mRNA. Compared with cervical cell line HCerEpiC cells, miR-205 expression was significantly decreased and YAP1 mRNA and protein expression was significantly increased in Hela cells ( p < 0.01). Compared with miR-NC group, YAP1 protein expression in HeLa/CDDP cells was significantly decreased, cell apoptosis was increased, and proliferation was inhibited in miR-205 mimic-transfected Hela/CDDP cells ( p < 0.01). Opposite results were obtained in miR-205 inhibitor-transfected Hela/CDDP cells. Conclusions: The expression of miR-205 is related to the CDDP resistance of cervical cancer cells. Increasing the expression of miR-205 can downregulate the expression of YAP1, inhibit the proliferation and promote apoptosis of cervical cancer cells, and enhance the sensitivity to CDDP.
- Published
- 2020
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