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TNFAIP8 promotes cell growth by regulating the Hippo pathway in epithelial ovarian cancer

  • Authors:
    • Yao Xie
    • Fei Zhou
    • Xia Zhao
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    Affiliations: Department of Gynecology and Obstetrics, Key Laboratory of Obstetrics and Gynecologic and Pediatric Diseases and Birth Defects of Ministry of Education, West China Second Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China, Department of Gynecology and Obstetrics, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, Chengdu, Sichuan 610072, P.R. China
    Copyright: © Xie et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 4975-4982
    |
    Published online on: October 2, 2018
       https://doi.org/10.3892/etm.2018.6819
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Abstract

Tumor necrosis factor‑α‑induced protein 8 (TNFAIP8) is an independent prognostic factor for cancer‑specific and disease‑free survival in patients with epithelial ovarian cancer (EOC). However, the exact mechanism of the biological role of TNFAIP8 in EOC remains unclear. In the present study, a siRNA specifically targeting TNFAIP8 was prepared to knock down TNFAIP8 in EOC cells. Cell growth, colony formation, apoptosis, and cell cycle distribution in TNFAIP8‑deficient EOC cells were determined. In addition, the underlying molecular mechanisms were investigated by western blot analysis and reverse transcription quantitative polymerase chain reaction assays. It was demonstrated that the knockdown of TNFAIP8 inhibited EOC cell growth and colony formation, along with increased levels of apoptosis and cell cycle arrest. The results of the western blot analysis suggested that TNFAIP8 inhibited the expression of phosphorylated yes‑associated protein 1 (YAP) while promoting total and nuclear YAP expression, followed by the regulation of apoptosis and cell cycle checkpoint protein expression in EOC. Overexpression of YAP in EOC cells efficiently attenuated cell growth inhibition in TNFAIP8‑deficient EOC cells. In addition, knockdown of TNFAIP8 significantly impaired EOC tumor growth in vivo. Collectively, the data from the present study suggested that TNFAIP8 is an oncogene and a novel therapeutic target for EOC.
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Copy and paste a formatted citation
Spandidos Publications style
Xie Y, Zhou F and Zhao X: TNFAIP8 promotes cell growth by regulating the Hippo pathway in epithelial ovarian cancer. Exp Ther Med 16: 4975-4982, 2018.
APA
Xie, Y., Zhou, F., & Zhao, X. (2018). TNFAIP8 promotes cell growth by regulating the Hippo pathway in epithelial ovarian cancer. Experimental and Therapeutic Medicine, 16, 4975-4982. https://doi.org/10.3892/etm.2018.6819
MLA
Xie, Y., Zhou, F., Zhao, X."TNFAIP8 promotes cell growth by regulating the Hippo pathway in epithelial ovarian cancer". Experimental and Therapeutic Medicine 16.6 (2018): 4975-4982.
Chicago
Xie, Y., Zhou, F., Zhao, X."TNFAIP8 promotes cell growth by regulating the Hippo pathway in epithelial ovarian cancer". Experimental and Therapeutic Medicine 16, no. 6 (2018): 4975-4982. https://doi.org/10.3892/etm.2018.6819
Copy and paste a formatted citation
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Spandidos Publications style
Xie Y, Zhou F and Zhao X: TNFAIP8 promotes cell growth by regulating the Hippo pathway in epithelial ovarian cancer. Exp Ther Med 16: 4975-4982, 2018.
APA
Xie, Y., Zhou, F., & Zhao, X. (2018). TNFAIP8 promotes cell growth by regulating the Hippo pathway in epithelial ovarian cancer. Experimental and Therapeutic Medicine, 16, 4975-4982. https://doi.org/10.3892/etm.2018.6819
MLA
Xie, Y., Zhou, F., Zhao, X."TNFAIP8 promotes cell growth by regulating the Hippo pathway in epithelial ovarian cancer". Experimental and Therapeutic Medicine 16.6 (2018): 4975-4982.
Chicago
Xie, Y., Zhou, F., Zhao, X."TNFAIP8 promotes cell growth by regulating the Hippo pathway in epithelial ovarian cancer". Experimental and Therapeutic Medicine 16, no. 6 (2018): 4975-4982. https://doi.org/10.3892/etm.2018.6819
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