Tumor Biology

, Volume 36, Issue 4, pp 2667–2674 | Cite as

Investigation of the role of 8-OHdG and oxidative stress in papillary thyroid carcinoma

  • Suzan Tabur
  • Şefika Nur Aksoy
  • Hakan Korkmaz
  • Mesut Ozkaya
  • Nurten Aksoy
  • Ersin Akarsu
Research Article


The aim of this study was to determine levels of serum 8-hydroxy-2′-deoxyguanosine (8-OHdG) as an indicator of oxidant-induced DNA damage and oxidant status in patients with papillary thyroid carcinoma before and after surgery. This study included 25 patients with papillary thyroid carcinoma and age-matched 27 healthy controls. Total antioxidant status (TAS), total oxidant status (TOS), lipid hydroperoxide (LOOH), and 8-OHdG levels were measured. 8-OHdG levels were significantly higher in the preoperative papillary thyroid carcinoma (PTC) group compared with the healthy control group (p < 0.001) and were significantly lower after operation in patients with papillary thyroid carcinoma (p = 0.004). Oxidative stress index (OSI) levels were significantly higher in both preoperative and postoperative PTC patients compared with the healthy control group (p < 0.001 and p < 0.001, respectively). TOS levels were higher in the preoperative and postoperative PTC groups compared to the healthy control group (p < 0.001 and p < 0.001, respectively). TAS levels was lower in the preoperative PTC groups compared to the healthy control group (p = 0.011). Serum LOOH levels were higher in both preoperative and postoperative PTC groups compared to the healthy control group (p < 0.001 and p < 0.001, respectively). Correlation analysis yielded that serum 8-OHdG levels were positively correlated with OSİ and LOOH levels in patients with PTC before surgery (r = 0.668, p < 0.001; r = 0.446, p = 0.025, respectively) and had a negative correlation with TAS levels (r = −0.616, p = 0.001). We have shown severe oxidative DNA damage and impaired antioxidant status in papillary thyroid carcinoma.


Papillary thyroid carcinoma Oxidative damage Lipid hydroperoxide (LOOH) Total antioxidant status (TAS) Total oxidant status (TOS) 


Conflicts of interest



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Copyright information

© International Society of Oncology and BioMarkers (ISOBM) 2014

Authors and Affiliations

  • Suzan Tabur
    • 1
  • Şefika Nur Aksoy
    • 2
  • Hakan Korkmaz
    • 1
  • Mesut Ozkaya
    • 1
  • Nurten Aksoy
    • 3
  • Ersin Akarsu
    • 1
  1. 1.Department of Endocrinology, Faculty of MedicineGaziantep UniversityGaziantepTurkey
  2. 2.Department of Biochemistry, Faculty of MedicineGaziantep UniversityGaziantepTurkey
  3. 3.Department of Biochemistry, Faculty of MedicineHarran UniversitySanliurfaTurkey

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