Construction of the Eukaryotic Expression Vector with EGFP and hVE GF121 Gene and its Expression in Rat Mesenchymal Stem Cells-中国Betway体育网页登陆

摘要 ObjectivesToconstructarecombinantplasmidcarryingenhancedgreenfluorescentprotein(EGFP)andhumanvascularendothelialgrowthfactor(VEGF)121geneanddetectitsexpressioninratmesenchymalstemcells(MSCs).MethodsHumanVEGF121cDNAwasamplifiedwithpolymerasechainreaction(PCR)frompCD/hVEGF121andwasinsertedintotheeukaryoticexpressionvectorpEGFPC1.AfterbeingidentifiedwithPCR,doubleenzymedigestionandDNAsequencing.TherecombinantplasmidpEGFP/hVEGF121wastransferredintoratMSCswithlipofectamine.TheexpressionofEGFP/VEGF121fusionproteinweredetectedwithfluorescencemicroscopeandimmunocytochemicalstainingrespectively.ResultsTherecombinantplasmidwasconfirmedwithPCR,doubleenzymedigestionandDNAsequencing.ThefluorescencemicroscopeandimmunocytochemicalstainingresultsshowedthattheEGFPandVEGF121proteinwereexpressedinMSCs48haftertransfection.ConclusionsTherecombinantplasmidcarryingEGFPandhumanVEGFwassuccessfullyconstructedandexpressedpositivelyinratMSCs.ItoffersapromisetoolforfurtherresearchondifferentiationofMSCsandVEGFgenetherapyforischemialcardiovasculardisease.

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

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