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Lentiviral Vectors: design, production, and titration

Lentiviral Vectors: design, production, and titration

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<strong>Lentiviral</strong> Vector Generations<br />

HIV provirus: provirus<br />

LTR<br />

SD ψ<br />

Gag<br />

1 st Generation:<br />

HIV-1 core proteins<br />

Enzymes <strong>and</strong><br />

Accessory factors<br />

From separate plasmid<br />

And env plasmid<br />

2 nd Generation:<br />

Packaging reduced<br />

gag, pol, tat, rev<br />

And env plasmid<br />

3 rd Generation:<br />

Requirement for tat<br />

Eliminated, rev<br />

Moved to separate<br />

plasmid<br />

Pro<br />

pLV<br />

pMD.G +<br />

pLV<br />

pMD.G<br />

pLV<br />

pMD.G<br />

+<br />

+<br />

Pol<br />

Vif<br />

R<br />

U<br />

Tat<br />

Rev<br />

pRSV-Rev or pLP2<br />

RRE<br />

Env<br />

Nef<br />

LTR<br />

pMDLgpRRE or pLP1

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