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时间:2020-04-02
《RhoARho激酶在2型糖尿病大鼠肝脏纤维化中的作用.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、2014!3"&'()*+,March2014#34$#3%Basic&ClinicalMedicineVol.34No.3/012:10016325(2014)03033207研究论文RhoA/Rho7892:;<=4>?@ABCDEFG11121!"#,$%,&'(,)*+,),(1-.(H4)#I(JKLMH,-.NOP050000;2-.QR4)ST(JKLMH,-.UV056002)34:*5WXRhoA/Rho789;<=4>?ABCDEFG。67YZ[]^_`abcdefg(STZ,30mg/k
2、g)hijklm2:;<=4>n:。opLqrst、;<=t_uvwxyzt(uvwx10mg/(kg·d),L{
3、hijk)24}~。;、、8_8;Masson_?;RTPCRC1β1(TGFβ1)_t1(CTGF)mRNA;tCTGFβ1;Westernblot?t¡8¢£¤¥¦1C(pMYPT1)§¨。89*rst©ª,;<=t4>;、_8«¬[,?t4b,pMYPT1§¨、TGFβ1*CTGFmRNA«¬®¯(P<001)。*;<=t©ª,uvwxyzt4>8°±,?X«²³,pMYPT1§¨、
4、TGFβ1*CTGFmRNA«¬´°(P<001)。8:[;7µ¶?tRhoA/Rho78,YZ¯·TGFβ1/CTGF,9;<=?ABCD¸¹3ºFG。;<=:;<=?ABC;Rho78;C1β1;t1;uvwx>?@A2:R3643/BCDE:ATherolesofRhoA/Rhokinaseinhepaticfibrosisofratswithtype2diabetes11121FANGCaixia,ZHOUHong,LIGuizhi,WANGDefeng,WANGMian(1Dept.ofEndo
5、crinology,theSecondHospitalofHebeiMedicalUniversity,Shijiazhuang050000;2Dept.ofEndocrinology,AffiliatedHospitalofHebeiUniversityofEngineering,Handan056002,China)Abstract:ObjectiveTodeterminewhetherRhoA/Rhokinaseisinvolvedinthepathogenesisofhepaticfibrosisinratsw
6、ithtype2diabetes.MethodsAnanimalmodeloftype2diabeteswasdevelopedbyhighfatdietcombinedwithintraperitonealinjectionoflowdosestreptozotocin(STZ,30mg/kg,i.p.).Atweek24,fastingbloodglucose,triglycerides,cholesterol,aspartateaminotransferaseandalanineaminotransferasew
7、eremeasured.ThedepositionofcollageninliverwasevaluatedbyMassonstainingandthehydroxyprolinedetermination.ThemRNAexpressionsoftransforminggrowthfactor(TGFβ1)andconnectivetissuegrowthfactor(CTGF)inlivertissuewereassessedbyRTPCR.ImmunohistochemistrystainingforTGF
8、β1wasperformed.Thephosphorylationofmyosinphosphatasetargetsubunit1(pMYPT1)wasmeasuredbyWesternblotanalysis.ResultsComparedwithcontrolrats,bloodglucose,bloodfat,aminotransferaseandthedepositionofcollagenintheliverintheuntreateddiabeticratsweresignificantlyincrease
9、d(P<001);pMYPT1andTGFβ1protein,themRNAexpressionofTGFβ1andCTGFwassignificantlyenhanced(P<001).Comparedwithuntreateddiabeticrats,treatmentwithfasudi
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