兔脂肪干细胞体外成骨诱导培养及成骨活性鉴定的实验研究张开刚1张月东1王玫2(1.泰安市中心医院骨科,山东泰安2710002.泰山医学院,山东泰安271016)【摘要】目的体外分离培养兔脂肪干细胞,在成骨诱导条件下,鉴定其成骨活性。方法取4月龄新西兰大白兔腹股沟区脂肪,Ⅰ型胶原酶消化,分离、培养及传代原细胞,将第3代ADSCs消化后,加入成骨培养液中诱导分化,分别行碱性磷酸酶染色、茜素红染色、VonKossa(钙结节)染色鉴定分化结果.结果体外分离培养的细胞增殖活跃,成骨诱导后检测碱性磷酸酶染色、茜素红染色、VonKossa(钙结节)染色均呈阳性表达。结论脂肪干细胞具有成骨分化能力,是一种理想的骨组织工程种子细胞。【关键词】脂肪干细胞;成骨诱导;种子细胞Anexperimentalstudyofosteogeniccultureinvitroandidentificatingtheosteogenicactivityofrabbitadipose-derivedstemcellsZHANGKaigang1,ZHANGYuedong1,WangMei2(1.DepartmentofOrthopedicSurgery,TaianCenterHospital,ShandongTaian,2710002.TaishanMedicalCollege,ShandongTaian271016)【Abstract】ObjectiveSeparatingandCulturingrabbitadipose-derivedstemcells,identificatingtheosteogenicactivityinosteogenicconditions.MethodsExtractinginguinalfatofNewZealandwhiterabbitsaged4months,UsingIcollagenasedigestiong,separating,culturingandpassagingoftheoriginalcells,addingosteogenicmediumtoinduceosteogenicdifferentiationafterdigestingthe3rdgenerationADSCs,thenidentificatingthedifferentiationresultsbyalkalinephosphatasestaining、alizarinredstaining、VonKossa(calciumnodules)staining.ResultsThecellsofSeparatingandCulturinginvitrowereactive,thealkalinephosphatasestaining、alizarinredstainingandVonKossa(calciumnodules)stainingwerebothpositiveexpressionafterosteogenic.ConclusionAdiposederivedstemcellshavetheabilityofOsteogenicdifferentiation,theyareanidealseedcellsforbonetissueengineering.【Keywords】Adipose-DerivedStemCells;Osteogenic;SeedCellsAnExperimentalstudyofAdiposestemcellsculturedinvitroosteogenicandosteogenicactivityidentificationZHANGKaigang1,ZHANGYuedong1,WangMei2(1.DepartmentofOrthopedicSurgery,TaianCenterHospital,ShandongTaian,2710002.TaishanMedicalCollege,ShandongTaian271016)...