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Anticancer Res. 2011 Apr;31(4):1411-5.

Elevated serum 8-OHdG is associated with poor prognosis in epithelial ovarian cancer.

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1
Department of Obstetrics, University of Oulu, Finland.

Abstract

BACKGROUND:

8-Hydroxydeoxyguanosine (8-OHdG) is a marker of oxidative stress in DNA. This study was undertaken to reveal whether serum 8-OHdG could be a prognostic factor in epithelial ovarian carcinoma (EOC).

PATIENTS AND METHODS:

Preoperative serum 8-OHdG levels were examined by enzyme-linked immunosorbent assay in 84 stage I-IV EOC patients. Immunohistochemical (IHC) 8-OHdG expression was determined in 78 of these patients.

RESULTS:

Strong 8-OHdG immunostaining predicted poor survival. High serum 8-OHdG (>140 pg/ml) was associated with poor ovarian cancer-specific survival (p<0.05) in patients with grade 1-2 EOC (p<0.05), but was not observed among the grade 3 patients. High 8-OHdG levels both in the serum and in the tumour tissue was associated with traditional factors of poor prognosis and serous histology.

CONCLUSION:

Both serum and IHC 8-OHdG assessment may serve as prognostic tools in EOC and the role of oxidative stress as a carcinogenic factor in ovarian cancer pathogenesis is also suggested.

PMID:
21508394
[Indexed for MEDLINE]
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