Oxidative Stress Biomarkers in Urine of Patients with Hepatitis B and C

Year 2012, , 39 - 42, 01.01.2012

Ömer Faruk Kökoğlu Hasan Uçmak Ergül Belge Kurutaş Nurettin Kuzhan Remzi Toprak Ali Çetinkaya Bülent Kantarçeken Filiz Atalay

https://doi.org/10.5152/balkanmedj.2011.006

Abstract

Objective: The aim of our study is to determine the role of oxidative stress biomarkers in hepatic damage in hepatitis B virus (HBV) and hepatitis C virus (HCV)-infected patients. Materials and Methods: Forty-eight patients with chronic hepatitis B, 15 patients with chronic hepatitis C and 30 healthy individuals as a control group were included in this study. Serum alanine-aminotransferase (ALT) and aspartate aminotransferase (AST) levels, urine oxidative stress biomarkers such as malondialdehyde (MDA) levels, superoxide dismutase (SOD-1) and catalase (CAT) activities were measured. Results: Urine MDA levels increased in patients with HBV and HCV compared to the control group. It was higher in HCV patients than HBV patients (p<0.001). Besides, while CAT and SOD-1 activities were decreased in the urine of patients with HCV, they increased in the urine of patients with HBV compared to controls (p<0.05). Furthermore, urine CAT ve SOD-1 activities in patients with HBV were statistically significantly higher than those of the HCV patients (p<0.001). Conclusion: Increase in urine MDA levels in hepatitis forms may be valuable in monitoring in viral hepatitis cases. Also, we thought that insufficiency of antioxidant barrier in patients with HCV may cause oxidative damage, so antioxidant treatment may useful and should be added to the combined therapy for these patients. Turkish Başlık: Hepatit B VE C' li Hastalarda İdrarda Oksidatif Stres Göstergeleri Anahtar Kelimeler: İdrar, oksidatif stres, hepatit B, hepatit C, transaminazlar Amaç: Bu çalışma da, HBV ve HCV infeksiyonlu hastalarda karaciğer hasarı üzerine oksidatif stres biyomarkırlarının rolünün saptanması amaçlandı. Hastalar ve Yöntemler: Kronik hepatit B'li 48, Kronik hepatit C'li 15 hasta ve 30 sağlıklı birey kontrol grubu olarak çalışmaya alındı. Kontrol ve hasta gruplarının serumlarında alanin-aminotransferaz (ALT) ve aspartat-transferaz (AST) düzeyleri, idrarda katalaz (CAT), süperoksit dismütaz (SOD-1) aktiviteleri ve malondialdehit (MDA) düzeyleri ölçüldü. Bulgular: İdrar MDA düzeylerinin HBV ve HCV'li hastalarda kontrol grubuna göre artttığı tespit edildi. HCV'li hastalarda MDA düzeyleri HBV'li hastalara göre daha yüksekti (p<0.001). Üstelik, HCV'li hastaların idrarında CAT ve SOD-1 aktiviteleri düşük bulunurken, bu enzimlerin HBV'li hastaların idrarında yüksek olduğu gözlendi. Bununla beraber, HBV'li hastalarında idrar CAT ve SOD aktiviteleri HCV'li hastalarından düşük olduğu gözlendi.HCV'li hastalarda MDA düzeyleri HBV'li hastalara göre daha yüksekti (p<0.001). Üstelik, HCV'li hastaların idrarında CAT ve SOD-1 aktiviteleri düşük bulunurken, bu enzimlerin HBV'li hastaların idrarında yüksek olduğu gözlendi. Bununla beraber, HBV'li hastalarında idrar CAT ve SOD aktiviteleri HCV'li hastalarından düşük olduğu gözlendi. Sonuç: İdrar MDA düzeylerindeki artış viral hepatit vakalarının takibinde değerli olabilir. HBV'li hastalarda antioksidan enzim aktivitelerindeki artış oksidatif strese karşı hücresel yanıt olabilir. Bunun yanında, HCV'li hastalarında ki antioksidan bariyer yetersizliği oksidatif hasara neden olabilir, bu yüzden bu hastaların tedavisine antioksidan maddelerin eklenmesinin yararlı olabileceği düşüncesindeyiz.

Keywords

Urine, oxidative stress, hepatitis B, hepatitis C, transaminases

Oxidative Stress Biomarkers in Urine of Patients with Hepatitis B and C

Abstract

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