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Relationship between serum cytokine levels and histopathological changes of liver in patients with hepatitis B

查看全文 作　　者：Nusret [1]Akpolat;Seyfettin [1]Yahsi;Ahmet [2]Godekmerdan;Kutbettin [3]Demirbag;Mehmet [4]Yalniz 高影响力作者 机构地区：[1]Departments of Pathology Faculty of Medicine, Firat University, Elazig,Turkey;[2]Departments of Immunology Faculty of Medicine, Firat University,Elazig,Turkey;[3]Departments of Infection Diseases Faculty of Medicine,Firat University, Elazig, Turkey;[4]Departments of Gastroenterology Faculty of Medicine, Firat University, Elazig, Turkey高影响力机构 出　　处：《World Journal of Gastroenterology》索引2005年第11卷第21期,共4页高影响力期刊 摘　　要：AIM: To investigate whether there was a relationship between the liver functions and fibrosis scores of hepatitis B patients and their TNF-α, IFN-γ, IL-4, and TGF-β1 serum levels based on the studies of liver biopsies. METHODS: Thirty patients with chronic hepatitis B (CHB)receiving no treatment and 30 healthy individuals with negative hepatitis serology and normal values of liver biochemistry were studied. After serum samples of the patients were collected, liver needle biopsy was performed on each patient. Cytokine levels were studied by ELISA.The biopsy materials were scored based on Knodell's histological activity index.RESULTS: In comparison of cytokine levels between CHB patients and control group, TNF-α, IL-4, and TGF-β1 levels of the patients were higher in CHB patients than in the controls, while IFN-γ level was lower in the patients than in the controls. There were significant differences between the groups in TNF-α, IL-4, TGF-β1, and IFN-γ (P<0.005,0.03, 0.002, 0.0001, respectively). There was a negativecorrelation between TGF-β1 and IL-4 and IFN-γ (P<0.05),TNF-α and the other cytokines and IFN-γ and IL-4 were not correlated (P>0.05). TGF-β1 was correlated with fibrosis (P<0.05). Liver necroinflammatory activity and fibrosis and TNF-α, IL-4, and IFN-γ were not correlated (P>0.05).CONCLUSION: In the course of HBV infection and its chronic progress, cytokines play an important role. IL-4and IFN-γ are effective in the chronic progression, whileTGF-β1 is effective in the development of fibrosis. Serum cytokine levels may be effective tools in the estimation of chronic progression and fibrosis development. 关 键 词：免疫血清 组织病理学 肝脏疾病 乙型肝炎 肝纤维化
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