中国组织工程研究第20卷第25期2016–06–17出版ChineseJournalofTissueEngineeringResearchJune17,2016Vol.20,No.25P.O.Box10002,Shenyang110180·研究原著·庞海涛,男,1979年生,汉族,河北省唐山市人,2009年华北理工大学毕业,硕士,主治医师,主要从事骨组织工程研究。通讯作者:李琪佳,教授,硕士生导师,华北理工大学医学实验中心,河北省唐山市063000中图分类号:R318文献标识码:A文章编号:2095-4344(2016)25-03680-07稿件接受:2016-04-14转化生长因子β1对多孔钽/MG63成骨样细胞复合物细胞增殖及分泌功能的影响庞海涛1,甘洪全2,王茜3,崔逸爽4,赖振权4,周国龙4,潘祥宇4,王志强2,李琪佳4(1华北理工大学附属骨科医院手科(唐山第二医院),河北省唐山市063000;2华北理工大学附属医院骨科,河北省唐山市063000;华北理工大学,3基础医学院,4医学实验中心,河北省唐山市063000)引用本文:庞海涛,甘洪全,王茜,崔逸爽,赖振权,周国龙,潘祥宇,王志强,李琪佳.转化生长因子β1对多孔钽/MG63成骨样细胞复合物细胞增殖及分泌功能的影响[J].中国组织工程研究,2016,20(25):3680-3686.DOI:10.3969/j.issn.2095-4344.2016.25.005ORCID:0000-0003-4093-9058(李琪佳)文章快速阅读:文题释义:转化生长因子β:是一组多功能蛋白质,属于转化生长因子超家族成员。可以影响多种细胞的生长,分化、细胞凋亡及免疫调节等功能。转化生长因子β包括3个亚型,转化生长因子β1、转化生长因子β2和转化生长因子β3,3种亚型功能相似,一般来说,对间充质起源的细胞起刺激作用,而对上皮或神经外胚层来源的细胞起抑制作用。多孔钽材料:有着与其他金属材料不同的独特性质,即三维立体空间构型,良好的力学性能,其弹性模量介于皮质骨和松质骨之间,在体内有较小的应力遮挡,利于骨传导及骨骼重塑。摘要背景:前期研究已得出国产多孔钽无毒性,具有良好的生物相容性,具有促成骨作用。目的:观察转化生长因子β1对国产多孔钽/MG63成骨样细胞复合物中成骨细胞生长增殖、细胞周期及分泌功能的影响,方法:取生长状态良好的第3代MG63成骨样细胞悬液,按1×109L-1的细胞浓度接种于多孔钽材料上,分别以含0,0.5,5,10µg/L转化生长因子β1的培养基培养。CCK-8法检测培养1-13d成骨细胞增殖水平;培养5,9d,扫描电镜及透射电镜观察培养细胞形态及超微结构,检测细胞分泌Ⅰ型胶原水平。结果与结论:①0.5,5,10µg/L转化生长因子β1均可促进多孔钽上成骨细胞的增殖,其中以5µg/L转化生长因子β1的促增殖作用最明显;②在5µg/L转化生长因子β1作用下,成骨细胞在多孔钽支架表面及微孔内形成叠层黏附生长,向材料表面伸出较多的伪足,细胞分泌的基质基本覆盖多孔钽表面,胞浆内可见大量粗面内质网、游离核糖体及致密分布的线粒体,高尔基复合体较发达,并且胞质内出现较多基质小泡;③5µg/L转化生长因子β1组培养5,9d的Ⅰ型胶原水平高于0.5及10µg/L转化生长因子β1组(P0.05);④结果表明:转化生长因子β1可促进国产多孔钽表面MG63成骨样细胞的增殖,其中以5µg/L转化生长因子β1对成骨细胞的促增殖及Ⅰ型胶原分泌作用最明显。关键词:生物材料;骨生物材料;多孔钽;转化生长因子β1/多孔钽/MG63成骨样细胞;Ⅰ型胶原;成骨细胞主题词:成骨细胞;钽;转化生长因子β1;组织工程转化生长因子β1对多孔钽上成骨样细胞增殖及分泌的影响MG63成骨样细胞株多孔钽材料接种分别以含0,0.5,5,10µg/L转化生长因子β1的培养基培养CCK-8法检测培养1-13d成骨细胞增殖水平培养5,9d,扫描电镜及透射电镜观察培养细胞形态及超微结构培养5,9d,检测细胞分泌Ⅰ型胶原水平庞海涛,等.转化生长因子β1对多孔钽/MG63成骨样细胞复合物细胞增殖及分泌功能的影响ISSN2095-4344CN21-1581/RCODEN:ZLKHAH3681(TangshansecondHospital),Tangshan063000,HebeiProvince,ChinaCorrespondingauthor:LiQi-jia,Professor,Master’ssupervisor,MedicalExperimentalCenter,NorthChinaUniversityofScienceandTechnology,Tangshan063000,HebeiProvince,China基金资助:国家科技部科技支撑课题(2012BAE06B03);河北省科技支撑课题(16277776D);河北省医学科学研究重点课题计划资助项目(20160225);华北理工大学大学博士科研启动基金资助项目Effectoftransforminggrowthfactorbeta1onproliferationandsecretionofosteoblastsonporoustantalum/MG63osteoblast-likecellcompositesPangHai-tao1,GanHong-quan2,WangQian3,CuiYi-shuang4,LaiZhen-quan4,ZhouGuo-long4,PanXiang-yu4,WangZhi-qiang2,LiQi-jia4(1DepartmentofHandSurgery,AffiliatedOrthopedicsHospitalofNorthChinaUniversityofScienceandTechnology(TangshansecondHospital),Tangshan063000,HebeiProvince,China;2DepartmentofOrthopedics,AffiliatedHospitalofNorthChinaUniversityofScienceandTechnology,Tangshan063000,HebeiProvince,China;3BasicMedicalSchool,4MedicalExperimentalCenter,NorthChinaUniversityofScienceandTechnology,Tangshan063000,HebeiProvince,China)AbstractBACKGROUND:PreviousstudieshavedemonstratedthattheChineseporoustantalummadeinChinahasnon-toxicityandgoodbiocompatibility,whichcanpromoteosteogenesis.OBJECTIVE:Toinvestigatetheeffectsoftransforminggrowthfactorβ1onproliferation,cellcycleandsecretionofosteoblastsonporoustantalum/MG63osteoblast-likecellcomposites.METHODS:Passage3MG63osteoblast-likecellsuspension(1×109/L)wasseededontotheporoustantalum,thenthecellcompositeswereinoculatedinthemediumwith0,0.5,5and10µg/Ltransforminggrowthfactorβ1,respectively.Theproliferationofosteoblastswasdetectedbycellcountingkit-8assayat1-13daysafterinoculation;thecellmorphologyandultrastructureobservedbyscanningelectronmicroscopeandtransmissionelectronmicroscopy;andlevelofcollagentypeIdetectedbyenzyme-linkedimmunosorbentassay.RESULTSANDCONCLUSON:0.5,5,10µg/Ltransforminggrowthfactorβ1couldpromotetheosteoblastproliferation,andcellproliferationinthe5µg/Ltransforminggrowthfactorβ1groupwashigherthanthatintheothergroups;inthe5µg/Ltransforminggrowthfactorβ1group,laminatedosteoblastsadheredonthesurfaceandgrewintoinnerofporoustantalum,whichextendedmorepseudopodiatowardthescaffold;osteoblasts-secretedmatrixcouldcoverthescaffoldandnumerousroughendoplasmicreticulum,freeribosomes,densemitochondria,Golgiapparatusaswellasmatrixvesiclescouldbefoundinthecytoplasm.Inaddition,thelevelofcollagentypeIinthe5µg/Ltransforminggrowthfactorβ1groupwassignificantlyhigherthanthatintheothergroups(P0.05).Theseresultsindicatethattransforminggrowthfactorβ1canpromoteproliferation,andcollagentypeIsecretionofosteoblastsonporoustantalum/MG63osteoblast-likecellcomposites,andtheoptimummassconcentrationoftransforminggrowthfactorβ1is5µg/L.Subjectheadings:Osteoblasts;Tantalum;TransformingGrowthFactorbeta1;TissueEngineeringFunding:theProjectSupportedbyStateCommissionofScienceTechnologyofChina,No.2012BAE06B03;theScienceandTechnologyProjectofHebeiProvince,No.16277776D;theMedicalResearchKeyPlanningProjectofHebeiProvince,No.20160225;SupportedbyResearchFundfortheDoctoralProgramofNorthChinaUniversityofScienceandTechnologyCitethisarticle:PangHT,GanHQ,Wang