脂肪干细胞体外分离培养鉴定及免疫学性质依里牙尔•依里哈木,王云海,王理,高华,许新才,张文斌新疆医科大学第一附属医院胃肠外科,新疆维吾尔自治区乌鲁木齐市830000Humanadipose-derivedstemcells:invitroisolation,culture,identificationandimmunologicalpropertiesEliyarElham,WangYun-hai,WangLi,GaoHua,XuXin-cai,ZhangWen-binDepartmentofGastrointestinalSurgery,theFirstAffiliatedHospitalofXinjiangMedicalUniversity,Urumqi830000,XinjiangUygurAutonomousRegion,China摘要背景:脂肪干细胞由于具备易于获取等特点,在组织工程中比骨髓间充质干细胞具有更加广阔的应用前景,并因此成为当今的研究热点之一。目的:观察脂肪干细胞的生长规律,鉴定其干细胞特性和免疫学性质。方法:自整形外科行抽脂的3名健康志愿者身上获取皮下脂肪组织及外周血,志愿者年龄20-30岁,均为女性。用Ⅰ型胶原酶消化脂肪组织获得脂肪干细胞,在体外原代培养及传代培养,观察其体外增殖能力等生物学特性;通过流式细胞术检测人脂肪干细胞分化群表面抗原和主要组织相容性抗原的表达。并将异体脂肪干细胞和淋巴细胞共培养,观察脂肪干细胞是否可以刺激后者增殖。结果与结论:所获脂肪干细胞具有很强的体外增殖能力,其生长曲线呈“S”形;第3代脂肪干细胞表面CD29、CD44、CD90以及主要组织相容性抗原Ⅰ呈阳性表达,CD31、CD45、CD34及主要组织相容性抗原Ⅱ呈阴性表达;未发现异体脂肪干细胞刺激淋巴细胞增殖。提示所获细胞确为脂肪干细胞,且具有较弱的排斥反应,有可能成为细胞治疗或组织工程的同种异体细胞来源。中国组织工程研究杂志出版内容重点:干细胞;骨髓干细胞;造血干细胞;脂肪干细胞;肿瘤干细胞;胚胎干细胞;脐带脐血干细胞;干细胞诱导;干细胞分化;组织工程全文链接:关键词:干细胞;脂肪干细胞;体外;分化抗原;细胞培养;免疫学;Abstract:BACKGROUND:Adipose-derivedstemcellshavemorebroadapplicationprospectsthanbonemarrowmesenchymalstemcellsintissueengineeringbecauseofthecharacteristicssuchaseasytoobtain,andthusbecomeoneoftheresearchhotspotstoday.OBJECTIVE:Toobservethegrowthcharacteristicsofhumanadiposederivedstemcellsandtotesttheirstemcellfeaturesandimmunologycharacters.METHODS:Thesubcutaneousfattissuewereextractedfromthreehealthyvolunteersthroughliposuction,andthendigestedwithcollagenasetypeIfollowedbyinvitroprimarycultureandpassageculture.Then,thebiologicalcharacteristicsofpassagedcellswereobserved.Surfaceantigensandhumanleukocyteantigensweredetectedbyflowcytometry.Andthen,peripheralbloodlymphocyteswereculturedwithallogeneicadipose-derivedstemcellstoobservewhetheradipose-derivedstemcellscanacceleratetheproliferationoflymphocytes.RESULTSANDCONCLUSION:Theharvestedadipose-derivedstemcellshadastrongexpansioninvitrowith“S”shapegrowthcurve.ThethirdgenerationcellswerepositiveforCD29,CD44,CD90andhumanleukocyteantigenI,andnegativeforCD34,CD45,CD31andhumanleukocyteantigenII.Besides,thelymphocyteshadnoresponseinducedbyallogeneicadipose-derivedstemcells.Thedifferentiationpotentialofadipose-derivedstemcellsusedinexperimentswasconfirmed,andtheyhadaweakrejectiontothehost,whichindicatesthattheadipose-derivedstemcellsmaybeacandidateforcelltreatmentandtissueengineering.中国组织工程研究杂志出版内容重点:干细胞;骨髓干细胞;造血干细胞;脂肪干细胞;肿瘤干细胞;胚胎干细胞;脐带脐血干细胞;干细胞诱导;干细胞分化;组织工程全文链接:Keywords:stemcells;lipectomy;subcutaneousfat;antigens,surface;histocompatibilityantigens;收稿日期:2014-02-24中图分类号:R394.2基金资助:新疆医科大学第一附属医院组织工程专项项目(201022GC02)通讯作者:张文斌,博士,副主任医师,新疆医科大学第一附属医院胃肠外科,新疆维吾尔自治区乌鲁木齐市830000作者简介:依里牙尔?依里哈木,男,1983年生,新疆维吾尔自治区人,硕士,医师,主要从事胃肠肿瘤方向的研究。引用本文:依里牙尔?依里哈木,王云海,王理等.脂肪干细胞体外分离培养鉴定及免疫学性质[J].中国组织工程研究,2014,18(14):2167-2172.EliyarElham,WangYun-hai,WangLietal.Humanadipose-derivedstemcells:invitroisolation,culture,identificationandimmunologicalproperties[J].ChineseJournalofTissueEngineeringResearch,2014,18(14):2167-2172.