Genetic modification of the vessel wall. Comparison of surgical and catheter-based techniques for delivery of recombinant adenovirus.
1994
BACKGROUNDGene transfer can potentially alter vessel wall biology and intervene in the pathogenesis of human disease. Although several methods for vector delivery have been described, systematic comparisons of these methods are unavailable. Therefore, this study compared three catheter-based strategies and a surgical technique to assess efficient and selective gene transfer to the vascular wall.METHODS AND RESULTSThe common carotid arteries and internal jugular veins of New Zealand White rabbits were infected with recombinant adenovirus encoding either firefly luciferase or a nuclear-localizing variant of beta-galactosidase. Delivery of recombinant virus was achieved by one of four methods: (1) instillation within a surgically isolated vessel segment (dwell), (2) a double-balloon catheter, (3) a perforated balloon catheter (Wolinsky), or (4) an angioplasty balloon catheter coated with a hydrophilic adsorbent polymer (Hydrogel). Vessel segments were analyzed 4 days after infection for luciferase and beta-g...
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