上海语燕生物技术有限公司
上海语燕生物技术有限公司

小鼠成纤维细胞

2018-11-19473
资料简介:
NCTCclone929[Lcell,L-929,derivativeofStrainL](小鼠成纤维细胞)1.OriginandGeneralCharacteristicsCellNameNCTCclone929[Lcell,L-929,derivativeofStrainL]OrganismmusmusculusAge100daysTissuesubcutaneousconnectivetissue;areolarandadiposeMorphologyfibroblastGrowthPropertiesadherentDescriptionsThiscelllinehasbeentestedandfoundnegativeforectromeliavirus(mousepox).BiosafetyLevel12.CultureConditionsandHand领CompleteGrowthMediumMEM(150410)+10%FBS(164210500)+1%-P/S(180120)Removeanddiscardculturemedium.BrieflyrinsethecelllayerwithDPBSsolutiontoremovealltracesofserumthatcontainstrypsininhibitor.Add1.0to2.0mLofTrypsin-EDTAsolutiontoflaskandobservecellsunderaninvertedmicroscopeuntilcelllayerisdispersed(usuallywithin3Subculturingto5minutes).Cellsthataredifficulttodetachmaybeplacedat37°Ctofacilitatedispersal.Add4.0to6.0mLofcompletegrowthmediumandaspiratecellsbygentlypipetting.Addappropriatealiquotsofthecellsuspensiontonewculturevessels.SubcultivationRatio1:3-1:5MediumRenewal2to3timesperweekCryopreservationFreezemedium:50%basalmedium+40%FBS+10%DMSOStoragetemperature:liquidnitrogenvaporphaseCultureConditionsAtmosphere:Air,95%;CO2,5%Temperature:37℃3.SpecialFeaturesoftheCellLineTumorigenicYes,inimmunosuppressedmice.EffectsYes,inimmunosuppressedmice.ReceptorExpressionAntigenExpressionGeneExpressionApplicationsToxicitytesting;Transfectionhost收到常温细胞后如何处理?(细胞培养详细操作步骤请参照邮件附件)首先,观察细胞培养瓶是否完好,培养液是否有漏液、浑浊等现象。若有,请拍照,并及时与技术支持联系(所拍照片将作为后续服务依据)。用75%酒精擦拭细胞培养瓶表面,显微镜下观察细胞状态。因运输问题,部分贴壁细胞会有少量从瓶壁脱落;先不要打开培养瓶盖,将细胞置于细胞培养箱内静置培养2-4小时,以便稳定细胞状态。仔细阅读细胞说明书,了解细胞相关信息,如贴壁特性(贴壁/悬浮)、细胞形态、所用基础培养基、血清比例、所需细胞因子、传代比例、换液频率等。静置完成后,取出细胞培养瓶,镜检、拍照,记录细胞状态(所拍照片将作为后续服务依据);建议细胞传代培养后,定期拍照、记录细胞生长状态。贴壁细胞:若细胞生长密度超过80%,可正常传代;若未超过80%,移除细胞培养瓶内培养基,预留5ml左右继续培养,直至细胞密度达80%左右再进行传代操作,瓶盖可稍微拧松。悬浮细胞:将细胞培养瓶内液体全部转移至50ml无菌离心管内,1200rpm离心5min,离心后上清培养基可收集备用,管底细胞沉淀加入5ml培养基吹打、重悬。镜检时,若细胞密度超过80%,可将细胞悬液分至2个细胞培养瓶内培养,补加培养基至5ml;若细胞密度未超过80%,将细胞悬液移至原瓶继续培养,直至细胞密度达80%左右时再进行传代操作。

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