Relationship between the expression of BFGF/TGF-β1 in liver tissue and liver fibrosis/inflammation in 260 patients with chronic hepatitis B
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摘要: 目的观察碱性成纤维细胞生长因子(BFGF)及转化生长因子β1(TGF-β1)在慢性乙型肝炎肝纤维化不同进展阶段的表达和定位情况,探讨其与肝纤维化及炎症的关系。方法对260例乙肝患者肝组织BFGF、TGF-β1行免疫组化定量分析,并与肝脏纤维化分期及炎症分级进行统计学分析。结果肝组织BFGF、TGF-β1随肝脏纤维化加重而表达增加,各组与对照组比较及组间两两比较差异均具有统计学意义(P<0.05);且二者与炎症比较,各组与对照组之间差异有统计学意义(P<0.05),但组间两两比较无差异(P>0.05);肝脏BFGF、TGF-β1之间呈正相关,r=0.895(P<0.05)。结论肝组织BFGF、TGF-β1与肝纤维化程度呈正相关,与炎症无确切相关性,BFGF及TGF-β1可作为评价肝纤维化严重程度的重要指标。
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关键词:
- 乙型肝炎 /
- 碱性成纤维细胞生长因子 /
- 转化生长因子β1 /
- 肝纤维化 /
- 免疫组化
Abstract: Objective To observe the immunolocation and expression of basic fibroblast growth factor (BFGF) and transforming growth factor β1 (TGF-β1) in different stage on liver fibrosis induced by CHB (chronic hepatitis B) , and to discuss their effects in the development of liver fibrosis and the correlation with hepatitis and fibrosis markers.Methods BFGF and TGF-β1 in the liver of 260 patients with CHB were evaluated with immunohistochemistry and quantitive measurements.The relationship between BFGF/TGF-β1 and staging of hepatic fibrosis/grading of inflammation was analyzed.Results Expression of BFGF and TGF-β1 increased in line with the elevation of fibrotic staging.The levels of BFGF and TGF-β1 in groups of S1-S4 were higher than those in control group S0.The differences were statistically significant (P<0.05) .And there were significant differences between every two groups (P<0.05) .But in inflammation grading, the surface density in groups G1-G4 were all higher than that in control group G0 (P<0.05) .But there were no significant differences between every two groups (P<0.05) .There is close positive correlation between BFGF and TGF-β1 in hepatic tissue, the coefficient was 0.895 (P<0.05) .Conclusion There is a close positive correlation between BFGF/TGF-β1 and hepatic fibrosis, and no correlation with liver inflammation.BFGF and TGF-β1 can be used as the important indicators of the severity of hepatic fibrosis, and furthermore, the understanding of them may provide theoretica basis of anti-fibrosis therapy by antagonists of BFGF and TGF-β1. -
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