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《体外诱导大鼠肝卵圆细胞定向分化为胆管上皮细胞-论文.pdf》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、第24卷第16期中国现代医学杂志VoL24No.162014年6月ChinaJournalofModemMedicineJun.2014文章编号:1005—8982(2014)16—0010—05·论著·体外诱导大鼠肝卵圆细胞定向分化为胆管上皮细胞术陈奕明,李立,冉江华,张升宁,张蕾,苏晓三,张春平,高杨,任刚(昆明市第一人民医院暨昆明医科大学附属甘美医院肝胆胰一科,云南昆明650011)摘要:目的通过对大鼠肝卵圆细胞进行体外培养,建立诱导大鼠肝卵圆细胞分化为胆管上皮细胞的诱导体系。方法通过2AAF/PH建立大鼠肝卵圆细胞活化模型,使用二步酶消化法获得原代肝卵
2、圆细胞,应用2Ong/mL干细胞生长因子及10ng/mL表皮生长因子诱导肝卵圆细胞向胆管上皮细胞分化,并应用流式细胞及免疫荧光观察细胞分化过程中OV-6及CK一19标志的表达变化。结果原代肝卵圆细胞OV一6阳性细胞为(94.30±1.40)%,CK一19阳性细胞为(3.16±1.87)%,诱导后第7代细胞OV-6阳性细胞为(4.97±0.21)%,CK一19阳性细胞为(96.17±1.21)%,差异有显著性(P3、子及干细胞生长因子可诱导肝卵圆细胞分化为胆管上皮细胞。关键词:大鼠;肝卵圆细胞;胆管上皮细胞;细胞分化中图分类号:R329.21;R一332文献标识码:AThecommitteddifferentiationofrathepaticovalcellsintobiliaryepithelialcellsinvitroCHEN~i-ming,LILi,RANJiang-hua,ZHANGSheng-ning,ZHANG-Lei,SUXiao-san,ZHANGChun—ping,GAOYang,REN-Gang(HepatobiliaryDepartment,Ga4、nmeiAffiliatedHospitalofKunmingMedicalUniversity,Kunming,Yunnan650011,P.R.China)Abstract:【objective】Toestablishaneffectivemethodtoinducehepaticovalcellsderivedfrom2AAHratmodeldifferentiatetobiliaryepithelialcellsinvitro.【Methods】2AAHratsmodelandtwo—stepcollagenasedi—gestionwereestab5、lishedtoobtainpfima~OValcells,20nmLSCFand10ng/mLEGFinDMEM—F12culturedmediumwasusedforinducingHOCdifferentiationofbiliaryepithelialcells.flowcytometryandimmunofluorescencewereusedtodetectexpressionofmarker0V一6andCK一19inculturedcells.【ResllIts】I1}leratioofprima~H0CsthatexpressedOV一6an6、dCK一19was(94.304-1.40)%and(3.16_+1.87)%respectively,whichwassignificantlydiffer—ent(4.97_+0.21)%and(96.17+1.21)%inthe7generationcells,thedifferencesisstatisticallysignificant(P<0.05),immunofluorescenceconfirmedwidelyexpressedofCK一19.【Conclusi0n】SuccessfullyinducedHOCsdifferentiation7、ofbiliaryepithelialcellswhichexpressedCK一19.themorphologicalcharacteristicsofinducedcellsareconsistentwithepithelialcells.EGFandSCFcouldinduceH0Cstodiferentiateintobiliaryepithelialcells.Keywor~:rat;hepaticovalcell;biliaryepithelialcell;celldifierentiation肝卵圆细胞被认为是肝脏内的干细胞,首先在催乳素细胞。由8、于肝脏卵圆细胞具有干细胞的一般大鼠肝脏
3、子及干细胞生长因子可诱导肝卵圆细胞分化为胆管上皮细胞。关键词:大鼠;肝卵圆细胞;胆管上皮细胞;细胞分化中图分类号:R329.21;R一332文献标识码:AThecommitteddifferentiationofrathepaticovalcellsintobiliaryepithelialcellsinvitroCHEN~i-ming,LILi,RANJiang-hua,ZHANGSheng-ning,ZHANG-Lei,SUXiao-san,ZHANGChun—ping,GAOYang,REN-Gang(HepatobiliaryDepartment,Ga
4、nmeiAffiliatedHospitalofKunmingMedicalUniversity,Kunming,Yunnan650011,P.R.China)Abstract:【objective】Toestablishaneffectivemethodtoinducehepaticovalcellsderivedfrom2AAHratmodeldifferentiatetobiliaryepithelialcellsinvitro.【Methods】2AAHratsmodelandtwo—stepcollagenasedi—gestionwereestab
5、lishedtoobtainpfima~OValcells,20nmLSCFand10ng/mLEGFinDMEM—F12culturedmediumwasusedforinducingHOCdifferentiationofbiliaryepithelialcells.flowcytometryandimmunofluorescencewereusedtodetectexpressionofmarker0V一6andCK一19inculturedcells.【ResllIts】I1}leratioofprima~H0CsthatexpressedOV一6an
6、dCK一19was(94.304-1.40)%and(3.16_+1.87)%respectively,whichwassignificantlydiffer—ent(4.97_+0.21)%and(96.17+1.21)%inthe7generationcells,thedifferencesisstatisticallysignificant(P<0.05),immunofluorescenceconfirmedwidelyexpressedofCK一19.【Conclusi0n】SuccessfullyinducedHOCsdifferentiation
7、ofbiliaryepithelialcellswhichexpressedCK一19.themorphologicalcharacteristicsofinducedcellsareconsistentwithepithelialcells.EGFandSCFcouldinduceH0Cstodiferentiateintobiliaryepithelialcells.Keywor~:rat;hepaticovalcell;biliaryepithelialcell;celldifierentiation肝卵圆细胞被认为是肝脏内的干细胞,首先在催乳素细胞。由
8、于肝脏卵圆细胞具有干细胞的一般大鼠肝脏
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