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Comparative analysis of HIV-1-based lentiviral vectors bearing lyssavirus glycoproteins for neuronal gene transfer.

Abstract : ABSTRACT: BACKGROUND: The delivery of therapeutic genes to the central nervous system (CNS) using viral vectors represents an appealing strategy for the treatment of nerve injury and disorders of the CNS. Important factors determining CNS targeting include tropism of the viral vectors and retrograde transport of the vector particles. Retrograde transport of equine anemia virus (EIAV)-based lentiviral vectors pseudotyped with the glycoprotein derived from the Rabies virus RabERA strain from peripheral muscle to spinal motor neurons (MNs) was previously reported. Despite therapeutic effects achieved in mouse models of amyotrophic lateral sclerosis (ALS) and spinal muscular atrophy (SMA), the efficiency of this approach needs to be improved for clinical translation. To date there has not been a quantitative assessment of pseudotyped HIV-1-based lentiviral vectors to transduce MNs. Here, we describe quantitative tests to analyze the retrograde transport capacity of HIV-1 vectors pseudotyped with the G glycoprotein derived from Rabies and Rabies-related viruses (Lyssaviruses). METHODS: With a view toward optimizing the retrograde transport properties of HIV-1-based lentiviral vectors, we compared the glycoproteins from different enveloped viruses belonging to the Rhabdoviridae family, genus Lyssavirus, and evaluated their ability to transduce specific cell populations and promote retrograde axonal transport. We first tested the transduction performance of these pseudotypes in vitro in SH-SY5Y neuroblastoma cells, NSC-34 neuroblastoma-spinal cord hybrid cells, and primary mixed spinal cord and pure astrocyte cultures. We then analyzed the uptake and retrograde transport of these pseudotyped vectors in vitro, using Campenot chambers. Finally, intraneural injections were performed to evaluate the in vivo retrograde axonal transport of these pseudotypes. RESULTS: Both the in vitro and in vivo studies demonstrated that lentiviral vectors pseudotyped with the glycoprotein derived from the Rabies virus PV strain possessed the best performance and neuronal tropism among the vectors tested. CONCLUSION: Our results indicate that HIV-1-based lentiviral vectors pseudotyped with the Rabies PV glycoprotein might provide important vehicles for CNS targeting by peripheral injection in the treatment of motor neuron diseases (MND), pain, and neuropathy.
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https://hal-pasteur.archives-ouvertes.fr/pasteur-00365715
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Submitted on : Wednesday, March 4, 2009 - 3:06:20 PM
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Thais Federici, Robert Kutner, Xian-Yang Zhang, Hitoshi Kuroda, Noël Tordo, et al.. Comparative analysis of HIV-1-based lentiviral vectors bearing lyssavirus glycoproteins for neuronal gene transfer.. Genet Vaccines Ther, 2009, 7, pp.1. ⟨10.1186/1479-0556-7-1⟩. ⟨pasteur-00365715⟩

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