慢病毒包装教程Lentivirus Packaging and Production文档格式.docx
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慢病毒包装教程Lentivirus Packaging and Production文档格式.docx
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2ndGenerationPackagingSystem
Ingeneral,lentiviralvectorswithawildtype5'
LTRneedthe2ndgenerationpackagingsystembecausethesevectorsrequireTATforactivation.AlllentiviralvectorsfromtheTronoorAebischerlabrequirepackagingwitha2ndgenerationsystem.
Belowaretwo2ndgenerationsystems.LentiviralplasmidsbasedonpLKO.1canbepackagedwitheithersystem,althoughthefirstsystemhasbeenreportedtoproducehighertiter.SeeAddgene'
spLKO.1Protocolforproducinglentiviralparticles.
2ndgenerationsystemdepositedbytheTronolab:
ID<
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Plasmid
Description
12260
psPAX2
2ndgenerationpackagingplasmidforproducingviralparticles.psPAX2containsarobustCAGpromoterforefficientexpressionofpackagingproteins.TronolabandAebischerlablentiviralvectorsrequirepsPAX2.ProduceshighertiterthanpCMV-dR8.2dvpr.
12259
pMD2.G
Envelopeplasmidforproducingviralparticles
2ndgenerationsystemdepositedbytheWeinberglab:
8455
pCMV-dR8.2dvpr
2ndgenerationpackagingplasmidforproducingviralparticles
8454
pCMV-VSVG
3rdGenerationPackagingSystem
The3rdgenerationpackagingsystemoffersmaximalbiosafetybutismorecumbersometouse,asitinvolvesthetransfectionoffourdifferentplasmidsintheproducercells(twopackagingplasmids,anenvelopeplasmid,andthelentiviralvector).
Ifyouwishtousethissystem,youneedtohavealentiviralvectorwithachimeric5'
LTRinwhichtheHIVpromoterisreplacedwithCMVorRSV,thusmakingitTAT-independent.ExamplesofthesevectorsincludepLKO.1,pLL3.7,pLB,pLenti6,pSico,pCL,andpCS.MostAebischerandTronoLablentiviralvectorsCANNOTbeusedwiththissystem.Alentiviralvectorcarryingachimeric5'
LTRcanbepackagedwitheitherthe2ndor3rdgenerationpackagingsystem.
12251
pMDLg/pRRE
3rdgenerationpackagingplasmidforproducingviralparticles
12253
pRSV-Rev
Moreinformation
∙ClickheretobrowseotherRNAivectors,orsearchforplasmidsusingthesearchbaratthetopofthepage.
∙TronoLabwebsiteorLentiweb:
informationandadiscussionforumoncloning,packaging,andotherprotocols.
∙MoffatJet.al.2006.AlentiviralRNAilibraryforhumanandmousegenesappliedtoanarrayedviralhigh-contentscreen.Cell124:
1283-1298.(PubMed)
∙Venturaet.al.2004.Cre-lox-regulatedconditionalRNAinterferencefromtransgenes.PNAS2004Jul13;
101(28):
10380-5.(PubMed)
∙NaldiniLet.al.1996.Invivogenedeliveryandstabletransductionofnondividingcellsbyalentiviralvector.Science272:
263-267.(PubMed)
∙Dulletal.,AThird-GenerationLentivirusVectorwithaConditionalPackagingSystem.J.Virol.199872(11):
8463-8472.(PubMed)
∙ZuffereyRet.al.1997.Multiplyattenuatedlentiviralvectorachievesefficientgenedeliveryinvivo.NatBiotechnol15(9):
871-5.(PubMed)
∙ZuffereyRet.al.1998.Self-inactivatinglentivirusvectorforsafeandefficientinvivogenedelivery.JVirol72(12):
9873-80.(PubMed)
CellLine
The293TcelllineforproducinglentiviralparticlescanbeobtainedfromGenHunter.
pLKO.1Protocol
pLKO.1-TRCCloningVector
AddgenePlasmid10878.ProtocolVersion1.0.December2006.
CopyrightAddgene2006,AllRightsReserved.Thisprotocolisprovidedforyourconvenience.Seewarrantyinformationinappendix.
Clickhereforaprintablecopy.
TableofContents
∙A.pLKO.1-TRCCloningVector
oA.1TheRNAiConsortium
oA.2MapofpLKO.1
oA.3Relatedplasmids
∙B.DesigningshRNAOligosforpLKO.1
oB.1Determinetheoptimal21-mertargetsinyourgene
oB.2OrderoligoscompatiblewithpLKO.1
∙C.CloningshRNAoligosintopLKO.1
oC.1Recommendedmaterials
oC.2Annealing
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