Construction of the Eukaryotic Expression Vector with EGFP and hVE GF121 Gene and its Expression in Rat Mesenchymal Stem Cells

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摘要 ObjectivesToconstructarecombinantplasmidcarryingenhancedgreenfluorescentprotein(EGFP)andhumanvascularendothelialgrowthfactor(VEGF)121geneanddetectitsexpressioninratmesenchymalstemcells(MSCs).MethodsHumanVEGF121cDNAwasamplifiedwithpolymerasechainreaction(PCR)frompCD/hVEGF121andwasinsertedintotheeukaryoticexpressionvectorpEGFPC1.AfterbeingidentifiedwithPCR,doubleenzymedigestionandDNAsequencing.TherecombinantplasmidpEGFP/hVEGF121wastransferredintoratMSCswithlipofectamine.TheexpressionofEGFP/VEGF121fusionproteinweredetectedwithfluorescencemicroscopeandimmunocytochemicalstainingrespectively.ResultsTherecombinantplasmidwasconfirmedwithPCR,doubleenzymedigestionandDNAsequencing.ThefluorescencemicroscopeandimmunocytochemicalstainingresultsshowedthattheEGFPandVEGF121proteinwereexpressedinMSCs48haftertransfection.ConclusionsTherecombinantplasmidcarryingEGFPandhumanVEGFwassuccessfullyconstructedandexpressedpositivelyinratMSCs.ItoffersapromisetoolforfurtherresearchondifferentiationofMSCsandVEGFgenetherapyforischemialcardiovasculardisease.
机构地区 不详
出版日期 2005年01月11日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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