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Turk J Obstet Gynecol. 2019 Jun;16(2):124-128. doi: 10.4274/tjod.galenos.2019.19577. Epub 2019 Jul 3.

Oxidative stress in cervical cancer and its response to chemoradiation.

Author information

1
Yenepoya (Deemed to be University), Yenepoya Medical College, Department of Biochemistry, Mangaluru, India.
2
Vydehi Institute of Medical Sciences and Research Centre, Department of Biochemistry, Bengaluru, India.
3
A. J. Institute of Medical Sciences and Research Centre, A. J. Research Centre, Mangaluru, India.

Abstract

Objectives:

Cervical cancer (CaCx) is one of the leading causes of cancer-related death among women worldwide, with the great social and economic burden. Diagnoses in early stages can decrease mortality and morbidity rates. This study was conducted to evaluate the status of serum total antioxidant capacity (TAC), and malondialdehyde (MDA) and copper concentrations among patients with CaCx to determine the level of oxidative stress and effect on which of chemoradiation.

Materials and Methods:

Fifty patients with histopathologically proven CaCx who visited the department of oncology & gynaecology and 50 age-matched healthy females were selected for the study. Serum TAC, MDA, and copper were estimated in both study groups. The effect of chemoradiation on these was estimated in patients with CaCx.

Results:

The mean ± standard deviation age of the patients was 43.98±6.38 years, whereas that of the controls was 31.56±6.84 years. The mean serum copper and MDA concentrations in the patients was significantly higher as compared with the controls, whereas the mean TAC in the patients was reduced when compared with the controls. After chemoradiation, there was a significant increase and decrease in TAC and MDA, respectively, after chemoradiotherapy, whereas the changes in the copper concentrations were insignificant.

Conclusion:

These results suggest that patients with CaCx were in oxidative stress because the oxidative parameters in serum (copper, MDA) were increased and the defensive TAC was decreased in patients with CaCx and chemoradiotherapy improved their anti-oxidant capacity. Further studies are needed to evaluate the concurrent use of antioxidants with chemoradiotherapy for improving the disease prognosis.

KEYWORDS:

Cervical cancer; chemoradiation; copper; malondialdehyde; total antioxidant capacity

Conflict of interest statement

Conflict of Interest: No conflict of interest was declared by the authors.

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