Özet:

Background/aim: Biochemical, environmental, and genetic factors such as oxidative stress-induced DNA damage and homocysteine (Hcy) accumulation in the blood are involved in the development and progression of ovarian cancer. This study measured some biomarkers closely linked to the progression of ovarian cancer and also found their correlates. Materials and methods: Thirty patients were diagnosed with ovarian cancer using pelvic examination, transvaginal ultrasound, and cancer antibody (CA-125) measurement. Total oxidative stress (TOS), DNA damage, Hcy, malondialdehyde (MDA), total antioxidant status (TAS), and other biochemical parameters were determined. Results: TOS and DNA damage were positively and significantly correlated between themselves and were involved in causation of tumors as reflected by significantly (P < 0.001) higher CA-125, erythrocyte sedimentation rate (ESR), creatinine, and C-reactive protein (CRP) in both young and old patients. Both were significantly correlated with Hcy, LDL-cholesterol, alanine aminotransferase, aspartate aminotransferase, CRP, MDA, and CA-125. However, they were negatively correlated with TAS. Thus, excessive inflammation and oxidative stress caused an increase in DNA damage and enhanced Hcy content, leading to development of ovarian cancer. Conclusion: This study suggests the use of antioxidants as drugs to reduce oxidative stress, DNA damage, and other causes of cancer development

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