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  • Title: [Level of serum and liver tissue TGF-beta1 in patients with liver fibrosis due to chronic hepatitis B].
    Author: Guo JC, Bao JF, Chen QW, Li XO, Shi JP, Lou GQ, Shi WZ, Xun YH.
    Journal: Zhonghua Shi Yan He Lin Chuang Bing Du Xue Za Zhi; 2008 Oct; 22(5):354-7. PubMed ID: 19469173.
    Abstract:
    OBJECTIVE: To detect the level of serum and liver tissue TGF-beta1 in patients with chronic hepatitis B, to study their relation to liver fibrosis and gain the evidence for diagnosis of liver fibrosis. METHODS: The liver fibrosis grades (S0-S4) of 131 cases with chronic HBV infection were diagnosed after liver biopsy. Serum TGF-beta1 was detected by enzyme-linked immunosorbent assay, and the semiquantitative analysis was applied after detecting the expression of TGF-beta1 in liver tissue with immunohistochemistry. Their relations to liver fibrosis were analyzed. RESULTS: Serum and tissue level of TGF-beta1 increased significantly with the development of fibrosis, and the same result was obtained between themselves (P < 0.01). There was very significant difference for serum level of TGF-beta1 among the groups with different fibrosis grades (P < 0.01). Serum levels of TGF-beta1 were decreased significantly comparing the Group S0 or S1 to S4 (P < 0.005). There were significant difference for serum level of TGF-beta1 among S0 and the others (P < 0.005). And there was significant difference between S1 and S3 (P < 0.005). The expression level of TGF-beta1 in liver tissue has no significant difference between group S3 and S4 (P > 0.05). However, the differences were significantly among the other comparisons (P < 0.01). CONCLUSION: There is close relation between the level of TGF-beta1 and the different liver fibrosis grades due to chronic hepatitis B. The serum level of TGF-beta1 is a potential noninvasive maker for diagnosis of liver fibrosis.
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