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Chinese Journal of Cancer Research

, Volume 10, Issue 4, pp 264–267 | Cite as

Proliferating cell nuclear antigen (PCNA) in ovarian carcinoma and its relation to lymph node metastasis and prognosis

  • Wu Xiaohua 
  • Zhang Zhiyi 
  • Cai Shumo 
  • Zhang Guoling 
  • Shi Daren 
  • Lu Hongfen 
Article
  • 24 Downloads

Abstract

Objective: To investigate expression of proliferating cell nuclear antigen (PCNA) in ovarian epithelial cancer and its relation to lymph node metastasis, outcome of second-look laparotomy (SLL) and prognosis. Methods: Monoclonal antibody PC10 was used to stain PCNA in archival paraffin-embedded tissues. Results: PC10 immunostaining was performed successfully in all 74 primary and 31 intraperitoneal metastatic tumors. The expression levels of PCNA were significantly increased in 31 metastatic tumors compared with their primary tumor from the same patients (7.94 vs 6.89,P=0.042). The expression levels was more elevated in bilateral than in unilateral ovarian cancer, but it was not associated with lymph node metastasis, clinical stage, histological grade and subtype. In 28 patients with stage III ovarian cancer undergone SLL, the mean immunoreactive score (IRS) of PCNA of the primary tumor was significantly higher in patients with negative SLL than in those with positive SLL (7.59 vs 6.10,P=0.03). Since chemotherapy was performed following surgical debulking, negative SLL more frequently seen in patients with high PCNA expression might suggest better chemotherapeutic sensitivity due to higher proliferation fraction of tumor cell. Univariate analysis of survival indicated that the overall survival was inversely associated with the level of PCNA expression, while multivariate analysis with Cox’s model showed that independent prognostic factors were the residual tumor after primary debulking (P<0.001) and clinical stage (P<0.05), followed by PCNA expression (P=0.09). Conclusion: The expression of PCNA may be useful in predicting the patients’ prognosis, but is not correlated with lymph node metastasis.

Key words

Ovarian neoplasm Proliferating cell nuclear antigen Lymphatic metastasis Prognosis 

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Copyright information

© Chinese Journal Of Cancer Research 1998

Authors and Affiliations

  • Wu Xiaohua 
    • 1
  • Zhang Zhiyi 
    • 1
  • Cai Shumo 
    • 1
  • Zhang Guoling 
    • 1
  • Shi Daren 
    • 1
    • 2
  • Lu Hongfen 
    • 2
  1. 1.Department of Gynecological OncologyShanghai Medical UniversityShanghai
  2. 2.Department of Pathology, Cancer HospitalShanghai Medical UniversityShanghai

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