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慢性肝病患者PBMC中TGF-β1mRNA表达及其与肝纤维化的关系

Correlation of TGF-β1 mRNA expression in peripheral blood mononuclear cells with liver fibrosis in chronic liver disease

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【作者】 夏宣平许大波郑君杰白涛蔡卫民

【Author】 XIA Xuan ping,XU Da bo,ZHENG Jun jie,et al. Digestive Department,the Second Affiliated Hospital of Wenzhou Medical College,Wenzhou 325000

【机构】 温州医学院第二附属医院消化科!浙江温州325027浙江大学第一附属医院!浙江杭州310000

【摘要】 目的 :研究转化生长因子 β1(transforminggrowthfactor β1,TGF β1)在慢性肝病患者外周血单个核细胞 (peripheralbloodmononuclearcell,PBMC)中的表达及其与肝纤维化的关系。方法 :用定量RT PCR法 (RT PCR加Dotblot法 )检测轻、中、重度慢性肝炎、肝炎后肝硬变活动期患者和与之对照的正常人PBMC中TGF β1mR NA水平 ,并对其与肝纤维化血清学指标的关系进行统计学分析。结果 :慢性轻、中、重度肝炎和肝炎后肝硬变活动期PBMC中TGF β1mRNA分别为 1.47± 0 .47、1.90± 0 .5 3、3.0 9± 1.44和 3.2 1± 0 .91,显著高于对照组(0 .78± 0 .41) (P <0 .0 1)。肝纤维化血清学指标增高≥三项患者组和增高 <三项患者组PBMC中TGF β1mR NA分别为 2 .6 2± 1.14和 1.6 1± 0 .5 1,亦显著高于对照组 (P <0 .0 1,P <0 .0 5 ) ,其中增高≥三项患者组的TGF β1mRNA水平尚高于增高 <三项患者组 (P <0 .0 1)。结论 :TGF β1在慢性病毒性肝炎患者PBMC中表达增高 ,其增高水平与肝纤维化有关

【Abstract】 Objective:To study the TGF β 1 mRNA expressions in peripheral blood mononuclear cell (PBMC) of chronic liver disease and their correlation with liver fibrosis.Methods:TGF β 1 mRNA expressions were analyzed in PBMC from patients with mild chronic hepatitis, intermediate chronic hepatitis, severe chronic hepatitis, active liver cirrhosis using a quantitative reverse transcriptase polymerase chain reaction technique. Moreover, the serum contents of collagen type Ⅳ(C Ⅳ), procollagen Ⅲ(PC Ⅲ), laminine(LN) and hyaluronic acid(HA) were determined using radioimmunoassay.Results:The patients with chronic liver disease had significantly higher PBMC TGF β 1 mRNA levels (1.47±0.47, 1.90 ± 0.53,3.09±1.44 and 3.21±0.91) respectively than those in normal subjects(0.78±0.41)(P<0.001). All the patients were divided into two groups—group with at least three abnormal items from the four serum markers of liver fibrosis(C Ⅳ,PC Ⅲ,LN and HA) and group with less than three abnormal items. Both groups had significantly higher PBMC TGF β 1 mRNA levels(2.62±1.14 and 1.61±0.51) respectively than those in normal subjects(P<0.001). Furthermore, the group with at least three abnormal items had significantly higher PBMC TGF β 1 mRNA levels than those in the group with less than three abnormal items(P<0.001).Conclusion:PBMC TGF β 1 mRNA levels increase remarkably in patients with chronic viral hepatitis and are associated with the activity of liver fibrosis.

  • 【文献出处】 温州医学院学报 ,Journal of Wenzhou Medical College , 编辑部邮箱 ,2001年02期
  • 【分类号】R512.6
  • 【被引频次】5
  • 【下载频次】46
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