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The interaction between antioxidant status and cervical cancer: a case control study
Senem Demirci1, Zeynep Ozsaran, Handan Ak Celik
1Department of Radiation Oncology, Ege University Faculty of Medicine, Bornova, Izmir, Turkey. senem.demirci@ege.edu.tr
Tumori
|July 27, 2011
Summary
Cervical cancer patients show altered antioxidant levels, with lower glutathione and glutathione peroxidase before treatment. Antioxidant levels did not change after radiotherapy, but higher glutathione post-treatment may indicate poor response.
Area of Science:
- Biochemistry
- Oncology
- Medical Research
Background:
- Cervical cancer is a significant global health concern.
- Antioxidant status plays a role in cancer development and treatment response.
- Understanding oxidative stress markers is crucial for managing cervical cancer.
Purpose of the Study:
- To compare antioxidant levels in cervical cancer patients versus healthy controls.
- To evaluate changes in antioxidant status following radiotherapy or radiochemotherapy.
- To investigate the relationship between antioxidant levels and treatment outcomes.
Main Methods:
- Measured glutathione, glutathione peroxidase, superoxide dismutase, and malondialdehyde levels.
- Included 35 cervical cancer patients and 35 age-matched healthy controls.
- Collected blood samples pre- and post-treatment from patients, and once from controls.
Main Results:
- Pre-radiotherapy, patients had lower glutathione and glutathione peroxidase, and higher superoxide dismutase than controls.
- No significant changes in overall antioxidant levels were observed after treatment.
- Higher post-radiotherapy glutathione levels correlated with a lack of treatment response.
Conclusions:
- Significant differences in antioxidant levels exist between cervical cancer patients and healthy individuals.
- Radiotherapy or radiochemotherapy did not alter overall antioxidant levels.
- Glutathione levels may serve as a predictive marker for treatment response in cervical cancer.
