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Arch Gynecol Obstet. 2014 Feb;289(2):393-8. doi: 10.1007/s00404-013-3000-z. Epub 2013 Aug 22.

Prognostic importance of survivin, Ki-67, and topoisomerase IIα in ovarian carcinoma.

Author information

1
Department of Obstetrics and Gynecology, Faculty of Medicine, Cukurova University, 01330, Adana, Turkey, ukucukgoz@yahoo.com.

Abstract

PURPOSE:

Stage, tumor grade and histological subtype determine the clinical behavior in ovarian tumors. Some additional factors are related to tumor cell biology and are the useful predictors for identifying the patients with poor prognosis. The aim of this study is to evaluate the prognostic significance of survivin, Ki-67 and Topoisomerase IIα (TOPO IIα) in epithelial ovarian cancer (EOC).

MATERIALS AND METHODS:

Seventy-three patients with EOC were included in this study. Survivin, Ki-67 and TOPO IIα expressions were studied by immunohistochemistry on formalin-fixed, paraffin-embedded tissue sections. Nuclear staining for all antibodies was scored on a three-tiered system and more than 10 % staining was accepted as expression. The relationship between the expressions of survivin, Ki-67, TOPO IIα and clinicopathological parameters including age, stage, grade, platinum resistance and survival was evaluated.

RESULTS:

Survivin, Ki-67 and TOPO IIα expressions were found in 20, 82 and 86 % of the tumors, respectively. Ki-67 and TOPO IIα expressions were found to be related to poor overall survival (p = 0.005, 0.004, respectively), while survivin expression was not associated with overall survival. There was no association between TOPO IIα and Ki-67 expressions and histological subtype, stage or grade. However, we found an important relationship between TOPO IIα expression and platinum resistance (p = 0.044). Platinum resistance was found to be an independent prognostic factor in EOC.

CONCLUSION:

Ki-67 and TOPO IIα expressions were found to be related to poor overall survival, and TOPO IIα expression was found to be associated with platinum resistance.

PMID:
23974278
DOI:
10.1007/s00404-013-3000-z
[Indexed for MEDLINE]

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