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ID:17492055
大小:45.00 KB
页数:8页
时间:2018-09-02
《祛风通络方对大鼠系膜细胞增殖及转化生长因子β1和白细胞介素6 mRNA表达的影响.doc》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、祛风通络方对大鼠系膜细胞增殖及转化生长因子β1和白细胞介素6mRNA表达的影响【摘要】观察祛风通络方对脂多糖(lipopolysaccharide,LPS)诱导的大鼠肾小球系膜细胞(mesangialcell,MC)增殖及其分泌的转化生长因子β1(transforminggrowthfactorbeta1,TGFβ1)和白细胞介素6(interleukin6,IL6)mRNA表达的影响。方法:采用血清药理学方法,体外培养大鼠肾小球系膜细胞,分为正常对照组、模型组、蒙诺(福辛普利钠)组和祛风通络方组。并采用甲基噻唑基四唑(methylthiazolyltetrazoliu
2、m,MTT)法检测大鼠MC增殖情况,逆转录聚合酶链反应法检测TGFβ1和IL6mRNA的表达。结果:与正常对照组比较,模型组大鼠肾小球系膜细胞增殖升高(P<0.05);与模型组比较,祛风通络方组大鼠肾小球系膜细胞增殖受到抑制(P<0.05),且祛风通络方作用优于蒙诺(P<0.05)。模型组系膜细胞TGFβ1mRNA表达高于正常对照组(P<0.01);祛风通络方组和蒙诺组系膜细胞TGFβ1mRNA表达低于模型组(P<0.01);祛风通络方组与蒙诺组比较,TGFβ1mRNA的表达降低(P<0.01)。LPS刺激后可提高大鼠系膜细胞内IL
3、6mRNA的表达,与正常对照组比较,模型组IL6mRNA表达上升,差异有统计学意义(P<0.01);祛风通络方组、蒙诺组与模型组比较,IL6mRNA表达下降(P<0.01);祛风通络方降低IL6mRNA表达的作用亦优于阳性对照药蒙诺(P<0.01)。结论:祛风通络方对大鼠MC增殖及其TGFβ1和IL6mRNA表达均有明显的抑制作用。【关键词】祛风通络方肾小球系膜细胞中药药理学转化生长因子β1白细胞介素6大鼠Objective:ToinvestigatetheeffectsofQufengTongluoRecipe(QFTLR),acompoundo
4、ftraditionalChineseherbalmedicinefordispellingwindandremovingobstructioninthemeridians,oncellproliferationandexpressionsoftransforminggrowthfactorbeta1(TGFβ1)andinterleukin6(IL6)mRNAsinducedbylippolysaccharideinglomerularmesangialcellsfromrats.Methods:Themethodofserumpharmacologywasused.
5、Atotalof32ratsweredividedintonormalcontrolgroup,untreatedgroup,QFTLRgroupandpositivecontrolgroupwhichalsowasnamedMonopril(fosinoprilsodium)group.Mesangialproliferativeglomerulonephritiswasinducedbyinjectionofantithymocyteserumintheratsexceptforthenormalcontrolgroup.Seraoftheratswereobtaineda
6、ftercorrespondinginterventions.Lipopolysaccharideinducedproliferationofratmesangialcells(MCs)culturedintherespectiveserumcontaining8mediawasdetectedbythemethodofmethylthiazolyltetrazolium(MTT)assay,andtheexpressionsofTGFβ1andIL6mRNAswereanalyzedbythemethodofreversetranscriptionpolymerase
7、chainreaction.Results:Comparedwiththeuntreatedgroup,QFTLRshowedremarkableinhibitoryfunctionontheproliferationofthemesangialcells(P<0.05).TheexpressionsofTGFβ1mRNAinmesangialcellswereincreasedintheuntreatedgroup,QFTLRgroupandMonoprilgroupwhencom
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