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HIV Gene Therapy

Anti-HIV Chemokines May Help Achieve Successful Intracellular Immunization

Published in AIDS Weekly, August 10th, 1998

Intracellular immunization and extracellular protection may be achieved against HIV from recombinant chemokines packaged in HIV-2 lentivirus vectors.

To gain entry into the host cell, HIV has expropriated chemokine receptors. M- and T-tropic viruses use CCR5 and CXCR4 as co-receptors, respectively. This subjects the virus to suppression by the natural ligand of these receptors. As such, C-C ((beta)) and C-X-C ((alpha)) chemokines inhibit HIV infection, possibly by interfering with the binding of the viral envelope to the co-receptor.

Because the mechanism of this three component interaction: natural ligand (chemokine), bandit ligand (viral...

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