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骨髓源性血管内皮祖细胞的分离培养及鉴定.pdf

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· 76 · 沈阳医学院学报 JournalofShenyangMedicalCollege 第 15卷 第2期 2013年6月 骨髓源性血管内皮祖细胞的分离培养及鉴定 韩莹 ,施鹏 ,王奕丹 ,闰青爽 ,韩清 ,吴皤 ,张玲 (1.沈阳医学院基础医学院病理教研室,辽宁 沈阳 110034;2.沈阳医学院奉天医院妇科;3.沈阳医院基础医院2011级临床医学专业 4班;4.沈阳市文官屯95979部队卫生教研室) [摘要]目的:探索大鼠骨髓源性血管内皮祖细胞 (endothelialprogenitorcells,EPCs)的培养、诱导分化及鉴定方法。方 法:取大鼠股骨并冲洗骨髓腔,梯度密度离心法获单个核细胞后内皮细胞培养液培养,通过细胞形态、免疫组化和免疫荧 光检测CD34、vwF、CD133、VSF,以及摄取 DiL—aeLDL的能力进行鉴定。结果:新分离的骨髓单个核细胞呈圆形,2d后 细胞贴壁,呈梭形或纺锤形,7d呈集落或线状排列,10d接近融合,呈鹅 卵石样排列;贴壁 细胞 CD34、ⅧF、vWF、 CD133均表达阳性,能摄取 Dil.acLDL并结合FITC—Lectin—UEA-1。结论:从大鼠骨髓中分离出EPCs,并初步建立了骨髓源 性EPCs分离培养、诱导分化及鉴定方法。 [关键词]骨髓;内皮祖细胞;鉴定 [中图分类号]R361.2 [文献标识码]A [文章编号]1008—2344(2013)02—0076—04 doi:10.3969/j.issn.1008—2344.2013.02.004 Isolation,CultureandIdentificationofBoneM arrow DerivedEndothelialProgenitorCells HANYing,SHIPeng,WANGYidan,YANQingshuang,HANQing,WUFan,ZHANGLing (1.DepartmentofPathology,ShenyangMedicalCollege,Shenyang110034,China;2.DepartmentofGynecoloyg ,FengtianHospitalAffiliatedto ShenyangMedicalCollege;3.Class4Grade2001,ShenyangMedicalCollege;4.DepatmentofHygiene,Army95979ofWenguantunofShenyang) [Abstract]Objective:Toexploretheratbonemarrowderivedendothelialprogenitorcells(EPCs),culture,differentiationand identificationmethod.M ethods:Themarrow cavityofratfemurwasrinsed,singlenuclearceilswasobtainedbydensitygradient centrifugation,thoseendothelial cellswerecultured,thecellmorphologywasobserved.CD34,vWF,CD133weredetectedwithim— munohistoehemistryandimmunofluorescenee,absorbedDiL—acLDL andcombinedwithFITC Lectin-UEA一1,uhrastructureandchro- mosomekaryotypeanalysisforidentification.Results:Thenew separationofbonemarrow mononuclearcellsandrounded.After somecellsbegantostickwall,aspindleorirregularshape,7dshowcellcolonyorlineararrnagement,10dc]osetoconvergence,a typicalcobblestoneappearance.Adherentcells,CD34,vWF,CD133positiveexpressionnadshowsdynamicchanges,couldabsorb DilacLDLandcombinedwithFITC LectinUEA.1.Conclusion:Thisexperimentpreliminarilyestablisheda
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