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作 者:李红山 冯琴[1] 胡义扬[1] 陈少东[1] 彭景华[1] 李雪梅[1] 许丽莉[1]
机构地区:[1]上海中医药大学曙光医院、上海中医药大学肝病研究所、肝肾疾病病证教育部重点实验室、上海中医药大学上海市高校中医内科学E-研究院,201203
出 处:《中华肝脏病杂志》2009年第11期826-830,共5页Chinese Journal of Hepatology
基 金:国家自然基金项目(30672635);上海市优秀学科带头人计划项目(06XD14018);上海高校创新团队建设项目(第一期)
摘 要:目的研究脂联素(ADP)及其脂联素受体2(AdipoR2)在脂肪肝病理变化中的意义及中药的干预作用。方法采用单纯高脂饮食(高脂模型组)和四氯化碳皮下注射复合高脂低蛋白饮食诱导(复合模型组)的两组大鼠脂肪肝模型,各随机分为正常组、模型组和中药干预组。高脂模型组大鼠造模10周,其中药组在第7周起予以中药(祛湿化瘀方)灌胃干预4周;复合模型组大鼠造模4周,其中药组在第3周起予中药干预2周。观察项目:(1)肝组织HE染色,观察各组大鼠肝脂肪变性程度变化;(2)肝组织甘油三酯(TG)、游离脂肪酸(FFA)、AdipoR2含量及血清ADP含量;(3)肝组织TG、FFA、AdipoR2、血清ADP含量间的相关性分析。数据均使用SPSS12.0软件包进行统计学分析。组间比较采用单因素方差分析S—N-K检验(q检验)。等级资料用Ridit分析。相关分析采用Bivariate相关分析。结果(1)在两个模型大鼠实验中,模型组肝组织均出现严重的脂肪变性,肝组织TG、FFA含量均显著升高,高脂模型组分别达正常组的3.2倍和3.5倍,q值分别为16.00和8.10,P值均〈0.01;复合模型组分别达正常组的3.8倍和3.6倍,q值分别为10.10和10.87,P值均〈0.01。血清ADP与肝组织AdipoR2均显著降低,高脂模型组分别为正常组的56.1%和56.0%,q值分别为10.19和9.03,P值均〈0.01;复合模型组分别达正常组的55.6%和71.1%,q值分别为5.48和7.16,P值均〈0.01;在两个模型中,中药干预组的TG、FFA含量显著低于模型组,ADP、AdipoR2含量显著高于模型组。(2)肝脏TG、FFA含量与血清ADP含量、肝组织AdipoR2含量之间均呈显著负相关。结论(1)血清ADP和肝AdipoR2水平均显著低下,在脂肪肝病理机制中有重要意义。(2)中药祛湿化瘀方可显著提高脂肪肝大鼠的ADP、AdipoR2水平,这可能�Objective To investigate the role of adiponectin (ADP) and adiponectin receptor 2 (adipoR2) in pathology of fatty liver, and to investigate the effect of Chinese herbal decoction (Qushi Huayu Decoction, QHD) on fatty liver disease. Methods Two experimental fatty liver models were used. One was induced with high-fat diet for ten weeks, and the rats were divided into normal, model and QHD group, the QHD group was administrated with QHD during the last four weeks. The other experimental fatty liver model was induced by subcutaneous injection of carbon tetrachloride (CC14) in combination with high-fat and lowprotein diet for four weeks, and the rats were also divided into normal, model and QHD group, the QHD group was administrated with QHD during the last two weeks. The observation items include: (1) hepatic steatosis (H.E. staining); (2) serum ADP, hepatic triglyceride (TG), free fatty acid (FFA) and adipoR2; (3) correlation among serum ADP content, hepatic TG, FFA and adipoR2. Results (1) Serious hepatic steatosis, increased hepatic TG and FFA, decreased serum ADP and hepatic adipoR2 were observed in the two models (P 〈 0.01). QHD administration significantly reduced the hepatic TG and FFA, and increased serum ADP and hepatic adipoR2 (P 〈 0.01) in these two models. (2) Inverse correlation was observed between hepatic TG, FFA and serum ADP, hepatic adipoR2 in these two models. Conclusion (1) Decreased serum ADP and hepatic adipR2 may play important roles in pathological process of fatty liver. (2) QHD administration increased the serum ADP and hepatic adipoR2.
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