Advances in Clinical and Experimental Medicine
2012, vol. 21, nr 1, January-February, p. 47–53
Publication type: original article
Language: English
Levels of Malondialdehyde, Myeloperoxidase and Nitrotyrosine in Patients with Chronic Viral Hepatitis B and C
Stężenie aldehydu dimalonowego, mieloperoksydazy i nitrotyrozyny u chorych na przewlekłe wirusowe zapalenie wątroby B i C
1 University of Gaziantep, Faculty of Medicine, Department of Biochemistry, Gaziantep, Turkey
2 University of Gaziantep, Faculty of Medicine, Department of Infectious Disease, Gaziantep, Turkey
Abstract
Objectives. Oxidative stress is one of the potential biochemical mechanisms involved in the pathogenesis of chronic viral hepatitis The aim of the present study was to determine levels of oxidative stress in a large group of chronic viral hepatitis (CVH) patients who had not received antiviral treatment, and to assess the relationship between these parameters and viral load, fibrosis score and necro-inflammation of the liver.
Material and Methods. Two hundred CVH patients and 107 healthy subjects were included in this study. Malondialdehyde, myeloperoxidase and nitrotyrosine levels were determined.
Results. Malondialdehyde levels were significantly higher in the CVH patients than in the control group (p < 0.05), whereas myeloperoxidase activities were significantly lower (p < 0.001). There was no statistically significant difference between nitrotyrosine levels of the patients and the controls (p > 0.05). Additionally, no significant correlation was shown between these markers and viral load, necro-inflammation and fibrosis of the liver in chronic viral hepatitis patients.
Conclusion. The data from this study demonstrate that there is a disturbance in oxidative balance in patients with chronic viral hepatitis, but this imbalance was not correlated with viral load, necro-inflammatory activity or fibrosis of the liver.
Streszczenie
Wprowadzenie. Stres oksydacyjny jest jednym z potencjalnych mechanizmów biochemicznych w patogenezie przewlekłego wirusowego zapalenia wątroby.
Cel pracy. Określenie poziomu stresu oksydacyjnego w dużej grupie chorych na przewlekłe wirusowe zapalenie wątroby (CVH), którzy nie otrzymali leczenia przeciwwirusowego oraz ocena relacji między tymi parametrami i wiremią, stopniem włóknienia i martwiczego zapalenia wątroby.
Materiał i metody. 200 chorych na CVH i 107 zdrowych osób włączono do badania. Ustalono stężenie aldehydu dimalonowego, mieloperoksydazy i nitrotyrozyny.
Wyniki. Stężenie aldehydu dimalonowego było znacząco większe u pacjentów chorych na CVH niż w grupie kontrolnej (p < 0,05), a aktywność mieloperoksydazy była istotnie mniejsza (p < 0,001). Nie stwierdzono statystycznie istotnej różnicy między stężeniem nitrotyrozyny w grupie badanej i kontrolnej (p > 0,05). Nie wykazano także istotnej korelacji między tymi znacznikami a wiremią, martwiczym zapaleniem wątroby i włóknieniem wątroby u chorych na przewlekłe wirusowe zapalenie wątroby.
Wnioski. To badanie pokazuje, że równowaga oksydacyjna u pacjentów z przewlekłym wirusowym zapaleniem wątroby jest zaburzona, ale ten brak równowagi nie jest skorelowany z wiremią, martwiczym zapaleniem wątroby ani włóknieniem wątroby.
Key words
chronic viral hepatitis, malondialdehyde, myeloperoxidase, nitrotyrosine
Słowa kluczowe
przewlekłe wirusowe zapalenie wątroby, aldehyd dimalonowy, mieloperoksydaza, nitrotyrozyna
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