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Article

PBOV1 correlates with progression of ovarian cancer and inhibits proliferation of ovarian cancer cells

  • Authors:
    • Lan Wang
    • Chun-Hao Niu
    • Shu Wu
    • Hong-Mei Wu
    • Fei Ouyang
    • Mian He
    • Shan-Yang He
  • View Affiliations / Copyright

    Affiliations: Department of Pathogen Biology and Immunology, School of Basic Courses, Guangdong Pharmaceutical University, Guangzhou, Guangdong 510006, P.R. China, Department of Collaborative Innovation Center for Cancer Medicine, State Key Laboratory of Oncology in South China, Sun Yat-Sen University Cancer Center, Guangzhou, Guangdong 510060, P.R. China, State Key Laboratory of Oncology in South China, Guangzhou, Guangdong 510060, P.R. China, Department of Obstetrics and Gynecology, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong 510700, P.R. China
  • Pages: 488-496
    |
    Published online on: November 4, 2015
       https://doi.org/10.3892/or.2015.4396
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Abstract

Prostate and breast cancer overexpressed 1 (PBOV1) is significantly upregulated in prostate, breast and bladder cancer, while its expression status in ovarian cancer and its clinical significance are unclear. We examined the expression levels of PBOV1 mRNA and protein in ovarian cancer cell lines and primary tissues using real-time PCR and western blotting. Immunohistochemistry was employed to analyze PBOV1 expression in 17 normal ovaries, 13 cystadenoma tissues, 14 borderline tumor tissues, and 165 clinicopathologically characterized ovarian cancers. There was negative PBOV1 expression in the 17 normal ovarian epithelial tissues. Compared to the normal ovarian epithelial cells, PBOV1 mRNA and protein were overexpressed in ovarian cancer cell lines. There was high PBOV1 protein expression in the ovarian cancer tissues from 59 of the 165 (35.8%) patients; PBOV1 expression was weak in 106 (64.2%) patients. Notably, there were significant negative associations between high PBOV1 expression and ascending histological grade, late pT/pN/pM, and International Federation of Gynecology and Obstetrics (FIGO) stage (P<0.05). Patients with high PBOV1 expression had longer overall survival; patients with low PBOV1 expression had shorter survival. Multivariate analysis revealed that PBOV1 upregulation is an independent prognostic indicator for ovarian cancer and might serve as a tumor-suppressor gene. Furthermore, PBOV1 overexpression inhibited ovarian cancer cell proliferation and tumorigenesis in vitro and in a tumor transplantation nude mouse model. In conclusion, our results suggest that PBOV1 may play an important role in suppressing ovarian cancer proliferation and carcinogenesis. PBOV1 may be a novel and useful prognostic marker and potential target for treating human ovarian cancer.
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Copy and paste a formatted citation
Spandidos Publications style
Wang L, Niu C, Wu S, Wu H, Ouyang F, He M and He S: PBOV1 correlates with progression of ovarian cancer and inhibits proliferation of ovarian cancer cells. Oncol Rep 35: 488-496, 2016.
APA
Wang, L., Niu, C., Wu, S., Wu, H., Ouyang, F., He, M., & He, S. (2016). PBOV1 correlates with progression of ovarian cancer and inhibits proliferation of ovarian cancer cells. Oncology Reports, 35, 488-496. https://doi.org/10.3892/or.2015.4396
MLA
Wang, L., Niu, C., Wu, S., Wu, H., Ouyang, F., He, M., He, S."PBOV1 correlates with progression of ovarian cancer and inhibits proliferation of ovarian cancer cells". Oncology Reports 35.1 (2016): 488-496.
Chicago
Wang, L., Niu, C., Wu, S., Wu, H., Ouyang, F., He, M., He, S."PBOV1 correlates with progression of ovarian cancer and inhibits proliferation of ovarian cancer cells". Oncology Reports 35, no. 1 (2016): 488-496. https://doi.org/10.3892/or.2015.4396
Copy and paste a formatted citation
x
Spandidos Publications style
Wang L, Niu C, Wu S, Wu H, Ouyang F, He M and He S: PBOV1 correlates with progression of ovarian cancer and inhibits proliferation of ovarian cancer cells. Oncol Rep 35: 488-496, 2016.
APA
Wang, L., Niu, C., Wu, S., Wu, H., Ouyang, F., He, M., & He, S. (2016). PBOV1 correlates with progression of ovarian cancer and inhibits proliferation of ovarian cancer cells. Oncology Reports, 35, 488-496. https://doi.org/10.3892/or.2015.4396
MLA
Wang, L., Niu, C., Wu, S., Wu, H., Ouyang, F., He, M., He, S."PBOV1 correlates with progression of ovarian cancer and inhibits proliferation of ovarian cancer cells". Oncology Reports 35.1 (2016): 488-496.
Chicago
Wang, L., Niu, C., Wu, S., Wu, H., Ouyang, F., He, M., He, S."PBOV1 correlates with progression of ovarian cancer and inhibits proliferation of ovarian cancer cells". Oncology Reports 35, no. 1 (2016): 488-496. https://doi.org/10.3892/or.2015.4396
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