ArticleLiver research (Beijing, China)2025
Efficient AAV8 delivery to the liver via isolated hepatic perfusion and analysis of hepatic lobule transduction patterns.
Article in Liver research (Beijing, China), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Gene therapy for liver diseases: methods, challenges and opportunities.Journal of nanobiotechnology · 2026Review
- AAV viral vectors as therapeutic interventions for inherited or non-inherited cardiac disorders: current aspects and future prospects.Frontiers in medicine · 2025Review
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Authors and funding
13 authors.
Funding
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Abstract
Background and aims: Adeno-associated virus (AAV) is becoming an attractive vector due to its low toxicity and minimal immunogenicity. However, liver-targeted AAV gene therapy still faces challenges, such as low delivery efficiency and safety risks associated with high vector doses. Isolated hepatic perfusion (IHP) has been explored as a localized drug delivery method, yet its full potential in gene therapy remains under investigation. Here, we investigated the efficiency of AAV8 delivery via the IHP route and its preference for hepatic transduction. Methods: The IHP route was established through surgery in rats and cynomolgus monkey, and the AAV8-dTomato solution was injected into the entire liver through the inflow tract and maintained for 10 min. One week later, liver tissues were obtained, and the dTomato fluorescence expression area fraction and intensity were analyzed. Results: AAV8-dTomato delivery via the IHP resulted in over 60% dTomato-positive areas in rat liver and showed higher efficiency than the portal vein (PV) and inferior vena cava (IVC) routes at equivalent doses. In rats, AAV8-dTomato expression was primarily periportal across IHP, PV, and IVC routes, while in cynomolgus monkey, IHP delivery showed a pericentral pattern. Conclusions: In this study, we found that IHP is an effective strategy for AAV8 delivery. In addition, the distribution characteristics of AAV8, when delivered in cynomolgus monkey via IHP, provide candidate vector delivery schemes for gene therapy for different types of genetic liver diseases.
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